#linuxcnc | Logs for 2013-05-02

[01:02:30] <mazafaka> jdh: oils are part of mother earth, but someone had got used to use it >:o
[01:04:59] <mazafaka> r00t4rd3d: friends here say they rebuild CNC machine for wood? for milling photos on wood and such. I wonder where they take the orders...
[01:28:03] <r00t4rd3d> http://i.imgur.com/tfUEQbG.jpg
[01:28:33] <r00t4rd3d> start of my excavator
[01:29:51] <ReadError> hows the wooden firearm biz?
[01:34:15] <r00t4rd3d> mazafaka, i have no idea what you asked in your last question
[02:01:41] <DJ9DJ> moin
[02:02:35] <Loetmichel> mornin'
[02:03:08] <DJ9DJ> hi :)
[03:08:17] <gammax-laptop> anyone know where i can aquire some way wipers? felt type?
[03:43:44] <archivist> gammax-laptop, some felt pads(furniture etc) and cut them to shape
[03:47:04] <archivist> not self adhesive like http://www.ebay.co.uk/itm/2-X-SELF-ADHESIVE-FELT-PADS-GUARDS-FURNITURE-FLOOR-PROTECTION-CHAIRS-LAMINATE-/261199469896?pt=LH_DefaultDomain_3&hash=item3cd0b39d48
[05:13:08] <gammax-laptop> anyone still on?
[05:13:19] <gammax-laptop> I wanna know what kinda parts cleaner you guys use?
[05:52:05] <archivist> knotted wire brush on an angle grinder
[06:08:45] <jthornton> washing powder, water and a battery charger
[06:22:48] <archivist> not defining "your parts" is a mistake :)
[06:40:21] <ssi> 7am needs to be shot and buried in the yard :(
[06:41:07] <ssi> and I use straight kerosene in my parts washer
[06:50:16] <L84Supper> depends in what I'm cleaning, it might be, soap and water, diesel fuel, isopropyl or ethanol
[06:54:28] <ssi> ooo
[06:54:40] <ssi> I need to spin a BBB cape which will drive a pile of RC servos
[06:54:45] <ssi> and use linuxcnc to run my 3dof hexapod
[06:54:57] <jthornton> I like sodium nitrite and muratic acid too
[06:55:18] <jthornton> and sometime just hurl small stones at high velocity at parts
[06:55:38] <ssi> jthornton: one by one, I hope :D
[06:58:00] <jthornton> yea, just depends on the need
[07:00:01] <jthornton> I use the sodium nitrite to keep my plasma table clean
[07:00:10] <ssi> I bought some sodium nitrite
[07:00:15] <ssi> but my table was leaking water
[07:00:17] <ssi> so I never put it in
[07:00:33] <ssi> and then I sealed up the table so it doesn't leak, but after htat I couldn't get the axes moving again
[07:00:42] <ssi> and I'm overworked and apathetic, so that's the state its in :)
[07:01:08] <ssi> that's the first machine I built, and it was running mach
[07:01:18] <ssi> I need to just redo it all linuxcnc
[07:01:30] <ssi> but I gotta figure out how to make the THC work in linuxcnc
[07:01:36] <ssi> I'm sure it's doable
[07:01:45] <jthornton> what kind of THC do you have?
[07:01:49] <ssi> http://www.candcnc.com/LCTHC.html
[07:02:49] <jthornton> ah you use my thcud component with that one
[07:02:59] <ssi> excellent :)
[07:03:04] <ssi> well one of these days I'll get down there and do that
[07:03:14] <jthornton> it's on my web site
[07:03:37] <jthornton> I should add it to LinuxCNC
[07:03:40] <ssi> I'm not sure I know your website
[07:03:50] <jthornton> gnipsel dot com
[07:03:54] <ssi> oh right
[07:04:18] <ssi> cool
[07:04:49] <ssi> when I redid the table, I also added cable chain and cleaned some stuff up
[07:04:56] <ssi> and mach wouldn't budge the axes after that
[07:04:59] <ssi> not sure what's going on with it
[07:05:15] <ssi> but I oughta just jump in, convert to linuxcnc, and retune the axes all over again
[07:05:25] <ssi> they're like 280oz steppers
[07:05:52] <jthornton> might have left a wire loose or something
[07:06:01] <ssi> I don't think so, I think it's mechanical
[07:06:02] <ssi> but maybe
[07:06:20] <ssi> it's rack and pinion on thk rail
[07:06:25] <ssi> and it's all scratchbuilt
[07:06:29] <jthornton> nice!
[07:06:30] <ssi> and not fantastic :)
[07:06:43] <ssi> actually it's probably better than I give myself credit for
[07:06:52] <ssi> I'll take some pics on my way out to the car and put them up when I get to work
[07:07:05] <jthornton> cool I'd like to see it
[07:07:34] <ssi> it'd be nice to find the motivation to get that machine running again
[07:07:43] <ssi> I want to do some frontpanels :)
[07:08:06] <ssi> ok, brb battling the toyotas :)
[07:08:12] <jthornton> ok
[07:10:39] <nikola_> hi all In the 7I80 boards , we have 2 jumpers called TP1 and TP2 , what they are used for?
[07:11:34] <jthornton> the function will be in the manual I'm sure
[07:12:25] <nikola_> no , is not there
[07:12:38] <nikola_> thats why i am asking
[07:14:20] <jthornton> odd, the Mesa manuals are pretty good
[07:14:55] <nikola_> no , is not there
[07:16:49] <jthornton> I see them on the layout with no jumper, maybe they are not used
[07:18:41] <jthornton> might have to wait till pcw wander by
[07:26:06] <micges> nikola_: there jumpers are not used
[07:26:22] <micges> these*
[07:51:11] <r00t4rd3d> http://i.imgur.com/Zv4eViV.jpg
[07:51:19] <r00t4rd3d> most of my new gantry
[07:52:52] <r00t4rd3d> ups should have another load of goodies for me today hopefully
[07:53:15] <Tom_itx> where's the best place to get that tslot material?
[07:53:22] <r00t4rd3d> some 4' sections of cold rolled steel flat bar and more extrusion
[07:53:26] <jthornton> nice, what are you using for linear bearings
[07:53:43] <r00t4rd3d> Tom_itx ebay is where i been getting it
[07:53:52] <r00t4rd3d> jt cncrp linear carriages
[07:54:02] <jthornton> for small quantity try mcmaster if you can find some on fleabay
[07:54:22] <Tom_itx> sleet & snow expected here
[07:54:31] <r00t4rd3d> 80/20 inc on ebay has decent prices
[07:55:11] <r00t4rd3d> http://www.cncrouterparts.com/extended-linear-carriage-with-abec-7-bearings-p-35.html
[07:57:18] <r00t4rd3d> this is what i am shooting for:
[07:57:22] <r00t4rd3d> http://www.cncrouterparts.com/images/CRP2448render-logo.png
[07:57:28] <r00t4rd3d> sorta
[07:58:17] <jthornton> so the red parts are cncrc parts you purchased?
[07:58:40] <r00t4rd3d> yeah the gantry risers
[07:59:19] <r00t4rd3d> but also thrust bearings, bearing blocks, shaft extensions, collars, motor mounts, etc
[07:59:41] <r00t4rd3d> all the things!
[08:00:41] <r00t4rd3d> http://www.cncrouterparts.com/acme-drive-components-c-21_40.html
[08:00:54] <r00t4rd3d> just about all that stuff
[08:02:41] <r00t4rd3d> http://www.cncrouterparts.com/mounting-plates-and-risers-c-21_42.html
[08:02:56] <r00t4rd3d> and a pile of stuff from that page
[08:03:30] <archivist> make stuff not buy stuff!
[08:03:42] <r00t4rd3d> i cant cut aluminum
[08:04:04] <r00t4rd3d> well I could i guess but it would be slow going
[08:04:32] <Tom_itx> yeah, i'd like to make a larger mill but cutting the parts on my sherline would be tough
[08:06:49] <r00t4rd3d> gonna start doing big business signs
[08:07:47] <jthornton> make smaller parts that bolt together to make a bigger mill
[08:08:34] <Tom_itx> i considered asking my friend for some time on his cnc but he's usually got it busy doing jobs
[08:08:46] <archivist> make part of a part on a small mill and shuffle it along then cut some more
[08:08:57] <Tom_itx> after he retired he got one of the mills from his shop for like $400
[08:09:14] <Tom_itx> needed a new X axis bearing on the ballscrew
[08:09:18] <ssi> back... phew
[08:09:22] <Tom_itx> and a spindle
[08:09:37] <Tom_itx> one of the Tree mills
[08:10:00] <Tom_itx> i could use his manual bridgeport but what fun is that?
[08:11:37] <Tom_itx> the guys he sold his shop to are idiots. they're running all those machines into the ground
[08:12:02] <Tom_itx> his older cmm was scrapped and left out in the rain
[08:12:14] <Tom_itx> he picked up the granite table for free
[08:12:53] <ssi> jthornton: http://sphotos-a.xx.fbcdn.net/hphotos-snc6/217588_10100133657327152_1533343694_n.jpg
[08:13:00] <ssi> http://sphotos-d.ak.fbcdn.net/hphotos-ak-ash3/945659_10100133657177452_1008517863_n.jpg
[08:13:07] <ssi> http://sphotos-b.xx.fbcdn.net/hphotos-prn1/936398_10100133657566672_1609229452_n.jpg
[08:13:34] <jthornton> yea you need to get that working and make some sparks
[08:13:39] <ssi> yeah
[08:13:45] <ssi> I might dive into it this weekend
[08:13:55] <ssi> it worked once upon a time :)
[08:16:11] <ssi> just finished this project up:
[08:16:11] <ssi> http://www.youtube.com/watch?v=fyJcJFSSqyU
[08:16:12] <Tecan> (fyJcJFSSqyU) "Atrump mill converted to linuxcnc" by "imcmahon" is "Tech" - Length: 0:00:41
[08:18:56] <skunkworks> ssi, what is the pvc for?
[08:19:35] <ssi> skunkworks: it's a company that makes these big pvc contraptions for some farming application
[08:19:45] <ssi> they have that mill pretty much solely for the purpose of drilling those holes in pvc
[08:19:49] <ssi> and the centroid control in it died
[08:19:54] <ssi> so I retrofit it for them
[08:20:41] <ssi> and wrote them a program last night to get them back up and running
[08:20:47] <ssi> a program with loops and subroutines
[08:20:55] <ssi> their old program had every coordinate in it by hand :P
[08:21:04] <skunkworks> neat
[08:21:11] <skunkworks> ssi, This you? http://www.youtube.com/watch?v=8g3zaL0gLlQ
[08:21:11] <Tecan> (8g3zaL0gLlQ) "George Harrison's "Something", on the ukulele" by "imcmahon" is "Music" - Length: 0:02:12
[08:21:15] <ssi> yeah
[08:21:26] <skunkworks> very cool - do you play guitar?
[08:21:31] <ssi> yeah, but mostly bass
[08:23:11] <skunkworks> what car do you have that is turbo'ed?
[08:23:22] <ssi> every one I've owned in my adult life :D
[08:23:27] <skunkworks> heh
[08:23:37] <ssi> right now i drive a '12 VW Golf R
[08:23:45] <ssi> before that, a '06 GLI
[08:23:52] <ssi> before that, an '88 300ZX turbo
[08:24:05] <ssi> a '94 eclipse gst
[08:24:07] <ssi> what else
[08:24:17] <skunkworks> In my younger years - I had a Dodge stealth Twin turbo.. Very fun.
[08:24:27] <ssi> yea
[08:24:32] <skunkworks> it was a money hole/
[08:24:33] <ssi> the 6cyl big brother to the eclipse :)
[08:24:35] <ssi> yeah they are
[08:24:43] <skunkworks> yep
[08:24:56] <r00t4rd3d> https://www.youtube.com/watch?v=_6cXk-W1swg https://www.youtube.com/watch?v=gHU7VxFdZWk https://www.youtube.com/watch?v=IGMQJhN_xho https://www.youtube.com/watch?v=7KpnkOUolfw https://www.youtube.com/watch?v=2H2-8H1vaPc https://www.youtube.com/watch?v=PBfV8Yqr3UM
[08:25:03] <r00t4rd3d> see if i cant break tecan
[08:25:06] <ssi> I'm pretty happy with the R... 2.0L, K04 turbo stock, about 320hp as it sits right now, AWD
[08:25:48] <ssi> only thing I don't like is the fuel economy
[08:26:00] <skunkworks> Oh - we did have a jetta TDI.. Don't know if that counts.. ;)
[08:26:10] <ssi> my old GLI was the same engine, but K03 turbo and FWD, and I got 28mpg without trying, could do 33mpg easily
[08:26:19] <ssi> the R is 22mpg, 25 if I baby it
[08:26:26] <skunkworks> heh
[08:26:27] <ssi> AWD really eats up fuel
[08:27:57] <ssi> http://sphotos-b.ak.fbcdn.net/hphotos-ak-ash4/309915_10100133657382042_476339688_n.jpg
[08:28:03] <ssi> I need to go back and add a second rail to X
[08:32:10] <skunkworks> ssi, you started with mach!
[08:32:16] <ssi> I did
[08:32:18] <ssi> shame on me
[08:32:21] <skunkworks> ;)
[08:32:38] <skunkworks> Converters are the best - they see what they where missing...
[08:32:44] <skunkworks> ;)
[08:32:56] <ssi> the CNC table was the first machine I did, and I bought tom caudle's cheap THC which had mach support out of the box
[08:32:59] <ssi> so it was simplest that way
[08:33:04] <ssi> but yea I'm looking forward to converting that machine
[08:33:08] <ssi> it's the only one I ever did on mach
[08:33:26] <ssi> that atrump mill I just finished is the fourth machine that I've gotten fully running on linuxcnc
[08:33:38] <ssi> all of them run mesa :D
[08:35:16] <skunkworks> Great!
[08:35:23] <skunkworks> mesa hardware is awesome
[08:35:54] <ssi> I'm debating how I want to handle the plasma table
[08:35:59] <ssi> it's a G540 driving those steppers right now
[08:36:04] <ssi> should I run it directly off parport
[08:36:09] <ssi> or stick a 5i25 in the mix
[08:36:15] <ssi> or ditch it and get different drives
[08:36:56] <jthornton> can you get enough speed with the G540?
[08:37:06] <jthornton> it's limited to what 50v?
[08:37:09] <ssi> yeah under mach I had at least 400ipm
[08:37:14] <ssi> right, and I have a 48v supply
[08:37:41] <Tom_itx> JT-Shop-2, what voltage do you run your steppers at?
[08:37:41] <skunkworks> how many pps is that?
[08:37:43] <ssi> also looks like those motors are wired half-coil
[08:37:47] <ssi> not sure why I did that exactly
[08:38:03] <skunkworks> *steps per second
[08:38:10] <ssi> skunkworks: dunno offhand... I still have the mach stuff setup, I should snapshot it before I blow it away
[08:38:15] <jthornton> Tom_itx, 70v
[08:38:33] <Tom_itx> the 203v is good to 80v right?
[08:38:39] <jthornton> ssi I can convert the mack xml file to stepconf
[08:38:42] <ssi> I've got a 3:1 belt reduction on the steppers and then a 1" pinion on the racks
[08:38:44] <jthornton> aye
[08:38:45] <ssi> jthornton: neat!
[08:38:57] <ssi> it worked out pretty close to 1:1 drive
[08:39:08] <ssi> 1 rev per inch that is
[08:39:17] <ssi> I think it's 3:pi
[08:40:15] <ssi> so that'd be ~6.36 rev/sec
[08:40:24] <ssi> and they're what, 180 steps per rev?
[08:40:28] <ssi> I forget now :P
[08:40:31] <skunkworks> 200
[08:40:42] <ssi> so 1273 full steps per second
[08:40:46] <skunkworks> but your g540 is microsteeping...
[08:40:49] <ssi> right
[08:40:56] <ssi> maybe 10k pps?
[08:41:15] <ssi> I've never done a software stepgen in linuxcnc
[08:41:17] <ssi> what's reasonable?
[08:41:51] <skunkworks> I would say if you want anything over about 30-40k steps per second - go with mesa.
[08:41:59] <ssi> gotcha
[08:42:05] <ssi> I may end up going mesa regardless
[08:42:13] <skunkworks> (hell I would go with mesa anyway.. it is only $89
[08:42:16] <ssi> yeah
[08:42:29] <ssi> I'm just wondering if I should try to get it overnighted to have it by the weekend :)
[08:42:35] <skunkworks> heh
[08:42:36] <skunkworks> sure!
[08:42:36] <ssi> their overnight shipping is pricey
[08:42:52] <ssi> I had the 7i77 kit for the atrump overnighted last week, it was almost $70 in shipping
[08:43:08] <skunkworks> that isn't mesa - that is ups/fedex...
[08:43:14] <ssi> well yeah I know
[08:43:20] <ssi> but mesa is about as far from me as possible
[08:43:22] <ssi> so the rates are high
[08:43:24] <r00t4rd3d> start of a excavator http://i.imgur.com/V6XcrOJ.jpg
[08:45:19] <r00t4rd3d> and i just noticed my bucket is backwards :/
[08:45:42] <syyl> no problem
[08:45:52] <syyl> thats an excavator for mining application
[08:47:19] <jthornton> ssi, just email me your xml file if you want it converted to stepconf
[08:47:26] <ssi> jthornton: will do, thanks
[08:49:10] <ssi> I need to go back and finish this guy too
[08:49:10] <ssi> http://sphotos-b.xx.fbcdn.net/hphotos-ash4/309920_10100133657681442_251706433_n.jpg
[08:49:17] <ssi> I actually built that machine before the plasma table
[08:49:27] <ssi> the Y axis sucks, needs to be redesigned
[08:49:30] <ssi> the X and Z are pretty solid
[08:49:37] <syyl> is the table machined from solid?
[08:49:39] <ssi> yep
[08:49:40] <ssi> heh
[08:49:46] <ssi> it's all made of barstock
[08:49:48] <ssi> and all by hand
[08:49:55] <syyl> best way to do anything, machine from stock ;)
[08:49:58] <ssi> I designed it in solidworks and machined it all on my manual mill
[08:50:08] <syyl> :)
[08:50:13] <ssi> it was mostly a project I contrived to learn solidworks and machining
[08:50:23] <frallzor> cute
[08:50:35] <frallzor> I like it simple
[08:51:07] <ssi> the sides of the gantry are screwed to a piece of barstock that runs under the table on a pair of 1/2" thompson rails with ball linear bearings
[08:51:11] <ssi> and a screw in the center
[08:51:17] <ssi> but the whole thing rocks due to slop in the bearings
[08:51:28] <frallzor> china bearings?
[08:51:31] <ssi> I want to redesign it, fix the gantry in place, and move the table
[08:51:35] <ssi> no they're good bearings from mcmaster
[08:51:40] <ssi> it's just too much weight over too narrow a bearing base
[08:51:49] <ssi> and it's not centered well enough over the bearings
[08:52:09] <ssi> also the machine is so small that it's hard to find a reasonable spindle for it
[08:52:23] <ssi> I made a spindle once upon a time that's actually on another little machine this size that i never finished
[08:52:38] <frallzor> kress?
[08:52:52] <ssi> even a kress is a bit large for it
[08:52:59] <frallzor> dremel? =)
[08:53:13] <ssi> last thing I'd want ;)
[08:53:16] <frallzor> or a good (better) copy of it
[08:53:23] <Tom_itx> dental drill
[08:54:03] <ssi> here's the other little guy, with my spindle:
[08:54:03] <ssi> http://sphotos-b.xx.fbcdn.net/hphotos-ash4/253334_10100133670565622_1712486917_n.jpg
[08:54:08] <frallzor> http://img692.imageshack.us/img692/6482/img4917t.jpg todays work, its fun playing with wood =D
[08:54:13] <ssi> it's an ER chuck on a straight shaft that I bought on ebay
[08:54:17] <ssi> mounted in a body between bearings
[08:54:28] <ssi> and then a little 180W brushless RC motor mounted eccentrically in a cup
[08:54:33] <ssi> so you can rotate the cup to tension the belt
[08:55:19] <ssi> my house is like the isle of aborted projects :(
[08:56:15] <Tom_itx> fragalot, did you glue that all up first?
[08:56:24] <frallzor> frallzor ;)
[08:56:30] <Tom_itx> sry
[08:56:36] <frallzor> and nope =)
[08:56:40] <frallzor> readily made board
[08:56:40] <Tom_itx> tap completion
[08:56:58] <frallzor> never thought that crap could end up nice
[08:57:03] <frallzor> but it did
[08:57:45] <frallzor> it says "name of the place" Mansion sort of
[08:57:50] <ssi> it's really hard to find linear rail in long pieces on ebay
[08:57:57] <Tom_itx> what software did you use for that?
[08:57:59] <ssi> I need like 1300mm
[08:58:04] <frallzor> Vectric Aspire
[08:59:17] <frallzor> besides the machine itself its the best thing I´ve bought =)
[08:59:52] <r00t4rd3d> lol
[09:00:25] <r00t4rd3d> excavator fixed http://imgur.com/l2XKq2a
[09:00:29] <r00t4rd3d> better bucket too
[09:00:41] <r00t4rd3d> http://i.imgur.com/l2XKq2a.jpg
[09:01:05] <frallzor> cut2d? =)
[09:01:42] <r00t4rd3d> aspire
[09:05:12] <ssi> hm does anyone know anything about Jon Elson's EPP converter for beagleboard?
[09:35:18] <L84Supper> ssi: what's it convert to and from? EPP to what? seems simple enough
[09:55:26] <mazafaka> r00t4rd3d: it was rather an exclamation.
[09:59:46] <JT-Shop> I'm thinking of putting my 1 5/8" collet in the lathe spindle and then mount the 4 jaw to the spindle. Put a piece of stock in the collet for a material stop. Anything wrong with this idea?
[10:00:16] <JT-Shop> I'm turning 2" parts and the through hole is 50mm...
[10:00:46] <JT-Shop> this seems like a better idea than making one of those spyder things
[10:01:42] <ssi> L84Supper: add an EPP port to the board to use for communicating with a mesa 7i43 for instance
[10:03:23] <ssi> JT-Shop: sounds reasonable to me, so long as the back of the 4 jaw doesn't interfere with the collet nose
[10:03:43] <ssi> also, damn you and your taper 16C spindle :)
[10:04:02] <JT-Shop> I'm fixing to find out... and yep it is a 16C spindle
[10:04:58] <JT-Shop> http://www.youtube.com/watch?v=isTD6bDF_LI&list=UUt3eCzdbsQeuCifjsTyvvTg&index=5
[10:04:59] <Tecan> (isTD6bDF_LI) "VID00080.MP4" by "John T" is "Tech" - Length: 0:01:45
[10:05:00] <Tom_itx> thin wall
[10:05:20] <JT-Shop> some of the first parts I made on the CHNC
[10:05:51] <ssi> http://www.youtube.com/watch?v=bT6WoCzcD_0
[10:05:51] <Tecan> (bT6WoCzcD_0) "Hardinge HNC controlled by linuxcnc" by "imcmahon" is "Education" - Length: 0:01:13
[10:06:02] <ssi> my spindle looks so tiny compared to yours
[10:12:51] <JT-Shop> the rest of the HNC looks the same size as the CHNC
[10:12:58] <ssi> it is
[10:13:00] <ssi> the iron is
[10:13:05] <ssi> the enclosure of the CHNC is bigger
[10:29:19] <L84Supper> ssi: PCW is working on a SD interface for an FPGA card to directly work with the Cubieboard, working with the new beaglbone black should be a no brainer as well
[10:29:33] <ssi> yea I know
[10:31:47] <pcw_home> actually using SPI on the Cubie since its fast enough at 100 Mbps
[10:32:04] <ssi> is the cubie OMAP?
[10:32:24] <pcw_home> No Allwinner (Chinese SOC)
[10:32:26] <ssi> ah
[10:33:11] <ssi> does it have PRUs like the omap chip?
[10:33:21] <pcw_home> No
[10:33:28] <ssi> have a realtime kernel running on it?
[10:33:34] <L84Supper> sorry, yeah meant SPI vs SDIO
[10:33:55] <pcw_home> There is a Xenomai kernel that works
[10:33:58] <L84Supper> xenomai and rt prempt work on the A10
[10:34:08] <r00t4rd3d> who wants to whip me up one of these?
[10:34:09] <r00t4rd3d> http://www.cncrouterparts.com/rail-drilling-jig-kit-p-143.html
[10:34:20] <ssi> don't have xenomai on the BBB yet
[10:34:50] <r00t4rd3d> i guess a wood one would work
[10:34:59] <ssi> r00t4rd3d: looks like ahren will whip you up one
[10:35:02] <ssi> for $28.95
[10:35:11] <L84Supper> http://gitorious.org/beagleboard-xenomai
[10:35:43] <ssi> L84Supper: that won't work on the black, because the black requires device tree support, which is 3.8
[10:35:46] <ssi> and there's no ipipe for 3.8 yet
[10:36:20] <L84Supper> wait a few weeks tops and it will be there :)
[10:36:50] <ssi> yeah I know
[10:36:53] <ssi> but I'm impatient :)
[10:37:17] <pcw_home> I will probably make a (buffer only ) breakout for the BBB (with assumption the PRU is good enough for most things)
[10:37:19] <pcw_home> though dealing with SOC pin muxing makes me appreciate FPGAs more
[10:38:03] <ssi> pcw_home: sorry, what do you mean by buffer only exactly?
[10:38:15] <spiderdi1on> Hi. I've been using autolevelling software for eagle and pcb milling in linuxcnc and was wondering if anyone knew of any projects that did this kind of probing with non conductive materials using a push button or something?
[10:39:07] <ssi> spiderdi1on: http://fadedbits.com/2011/02/touchprobe/
[10:39:18] <ssi> spiderdi1on: I've seen several projects like that
[10:39:28] <spiderdi1on> wonderful, thanks
[10:39:42] <pcw_home> No FPGA probably just TTL/diff outputs and inputs for step/dir/encoder/sserial
[10:39:44] <pcw_home> maybe some analog conditioning
[10:40:18] <ssi> pcw_home: I was wondering how hard it'd be to just have a couple sserial on BBB
[10:40:25] <ssi> I don't know anything about how sserial works under the covers though
[10:43:29] <ssi> there are entirely too many things I need to learn :(
[10:43:37] <L84Supper> I need an FPGA board with 12x LVDS (8 bit channels), so 192 IO, plus 12 I2C channels and PCIe
[10:50:06] <L84Supper> PCW: have you heard when the ZYNQ parts will be officially released along with pricing?
[10:55:46] <ssi> pcw_home: If I got my hands on the xilinx tools, would it be possible for me to cobble together a hybrid bitfile for the 5i25, that would run one G540 and then one of your other breakouts?
[10:57:12] <Tom_itx> ssi i wrote a simple howto
[10:57:26] <Tom_itx> other than the actual file writing
[10:57:28] <ssi> have a link?
[10:57:48] <Tom_itx> http://tom-itx.dyndns.org:81/~webpage/emc/xilinx/xilinx_install_index.php
[10:57:56] <ssi> cool thanks
[10:58:35] <Tom_itx> you'd better ask pcw about the 5i25 workings though
[10:58:42] <ssi> yea I know its different
[10:58:52] <ssi> I actually did FPGA work once upon a time, but it's been ten years
[11:07:04] <r00t4rd3d> i must have punched myself in the face last night while sleeping, got a black ring around my eye, i thought it was dirt and tried to wash it off
[11:13:49] <FinboySlick> r00t4rd3d: Maybe someone slipped you roofies and molested you.
[11:14:24] <r00t4rd3d> Ahh, nothing nicer then the squeal of the UPS truck coming to a halt out front of your house.
[11:15:33] <mazafaka> r00t4rd3d: The Universe made this to you in an unknown way, this is the only variant.
[11:16:03] <r00t4rd3d> some times I wonder if you are a say random things bot.
[11:16:22] <mazafaka> I am saying good things.
[11:17:43] <tjb1> r00t4rd3d: !
[11:18:42] <pcw_home> ssi its should be simple, basically just taking an existing PIN_XXXX.vhd file and copy/pasting up a new one then recompiling
[11:19:51] <ssi> ok cool
[11:19:53] <mazafaka> Within several last days I have realized that our firms here hire for 5+2, or 2+2 but it turns for 3+1 for those who wants to make more money. I planned to work somewhere, but had to leave this idea. And I am away from turning or milling these days... Already imaging how I am about to loose the qualification...
[11:21:13] <jdh> what is 5+2, 2+2, 3+1?
[11:21:16] <mazafaka> *turns into 3+1 (And prices are hitting european level, while mean and 'not bad' rate of payment is about USD750).
[11:22:06] <mazafaka> jdh: This is somehow related to the schedule :)))))))))
[11:24:13] <mazafaka> jdh: 5 business days + 2-day-weekend = week. I have changed the job as I wanted, but my rate of payment has stuck in this range. Earlier I could make more spending my own money.
[11:24:41] <jdh> I see. Not really, but ok,.
[11:26:30] <mazafaka> jdh: 'not really' ? It looks like almost 5 or even 10 years milk costs USD1 per liter in Canada, I thought...
[11:28:01] <mazafaka> And I was on a conference with that theme on milling. That when tjb1or someone were teaching me to use tool diameter compensation.
[11:29:48] <mazafaka> Saying random things helped me to get to the corporate conference just after my hiring with a theme taken at absolutely another plant.
[11:34:09] <mazafaka> We here have some equipment with NC and I think it simply works with overload by some reason (no one really cares to check everything, relying on badly translated instructions for example) - but I am not allowed to enter there.
[11:52:20] <mazafaka> Thinking of all possible CNC-related side jobs at my free time makes me realize something: It is funny how people having USD1000-1250 saying with an optimistic manner about everything around, and people having USD650 just keep up they head with hands, and drink and drink and drink even though they feed a family. Russia itself has never yet seen such a stupid time with such prices and such rate of payment. Everybody are awaiting from the governm
[11:59:36] <JT-Shop> the 1 5/8" round stock in the collet works well as a material stop for the 4 jaw chuck
[12:02:26] <andypugh> Cunning.
[12:05:17] <JT-Shop> I fought that the last few times I had to make 2" diameter parts with the 4 jaw... now it is a piece of cake
[12:06:14] <andypugh> I have a dedicated end-stop that fits up the spindle bore.
[12:06:58] <archivist> often collets have screw hole to add a stop to them for 2nd op work
[12:07:06] <JT-Shop> I made one for the Samson but the CHNC has the 16C collet so that works well
[12:07:42] <JT-Shop> I have stops for both the 16C and the small ones 8C or 5C I forget
[12:09:20] <IchGuckLive> hi all B)
[12:09:32] <ssi> just ordered a 5i25 for the plasma table :D
[12:09:57] <IchGuckLive> nice with BOB 7i77
[12:10:10] <ssi> yea the mill I just finished is 7i77
[12:10:21] <ssi> my plasma table has a g540 on it though, so I'm just gonna run that with the '25
[12:10:43] <ssi> http://www.youtube.com/watch?v=fyJcJFSSqyU
[12:11:03] <IchGuckLive> you might be impressed f the cutting speed
[12:11:16] <IchGuckLive> what plasma H45
[12:11:42] <ssi> yea powermax 45
[12:11:52] <IchGuckLive> this is the best on THC
[12:12:05] <ssi> I have a meeting, I'll be back in a bit :)
[12:12:14] <ssi> I'm glad so many folks in here have plasma experience
[12:13:26] <JT-Shop> I have more experiance napping than cutting parts on the plasma...
[12:13:56] <IchGuckLive> JT-Shop: what coffemaker do you use
[12:14:39] <JT-Shop> dunno, I just fill it with water at night and get coffee out in the morning... the wife handles the rest
[12:16:10] <IchGuckLive> so big present ned to be done on valentines day next week
[12:18:40] <Tom_itx> sleet has arrived
[12:19:12] <JT-Shop> yuck, when I get the first bore correct it's chile cheese dog and nap time for me
[12:20:54] <Tom_itx> JT-Shop sounds more and more like a govt employee
[12:21:02] <JT-Shop> LOL
[12:23:22] <IchGuckLive> JT-Shop: is there a fast food store i n the usa that sels only hotdocs mainly
[12:24:08] <FinboySlick> I don't know if Valentine is in the US, but in Quebec, we have them.
[12:24:13] <JT-Shop> not in my neck of the woods, I go to the Amish store and get real hotdogs
[12:24:41] <IchGuckLive> amish do sell fast food ?
[12:24:47] <FinboySlick> Valentine is horrible food mind you.
[12:26:27] <IchGuckLive> if been at wendys,cheescakeF,M,BK,Whitecasel and a kind of donat megastore but never got a hotdog in sutch store
[12:26:49] <JT-Shop> fast sandwiches yes and real nice salads and other stuff
[12:31:37] <IchGuckLive> at amish salads are BIO !
[12:33:14] <frallzor> ahh I love china oil!
[12:33:19] <ReadError> anyone ever chucked a small drillbit in a 3 jaw chuck?
[12:35:03] <WalterN> define small
[12:36:24] <JT-Shop> yes
[12:36:51] * frallzor cuddles with JT-Shop
[12:37:08] <IchGuckLive> frallzor: its sesam oil most not penatbutter
[12:37:49] <frallzor> Its tung oil mostly =P
[12:40:46] <ReadError> WalterN, 2mm
[12:41:18] <IchGuckLive> a good 3 jaw chuck will take 2mm
[12:41:29] <WalterN> or smaller
[12:42:12] <Tom_itx> i've held a 3mm tap to do these: http://tom-itx.dyndns.org:81/~webpage/reprap/drive6.jpg
[12:42:13] <IchGuckLive> or simply use 3,17mm Drillbits with the smaller sizes !
[12:42:40] <ReadError> seems to chuck good
[12:45:06] <IchGuckLive> O.O B)
[12:46:13] <ssi> back
[12:47:04] <ssi> 2mm is fine in a chuck
[12:47:23] <ssi> 1mm or less, use a pin vise
[12:49:58] <ssi> IchGuckLive and/or JT
[12:50:05] <ssi> what do you guys use for plasma cam?
[12:50:09] <ssi> I was using sheetcam back in the mach days
[12:50:27] <IchGuckLive> yes its the best on layer stuff dxf
[12:50:38] <jthornton> sheetcam the post is on my website
[12:50:42] <ssi> sweet
[12:51:14] <ssi> I wish there was an osx version :P
[12:51:51] <frallzor> finally, a well oiled sign!
[12:57:50] <ReadError> ssi, parallels ;)
[12:57:53] <ssi> yeah yeah
[12:58:09] <ssi> I guess it'll have to run alongside solidworks in parallels as well :P
[12:58:24] <ReadError> solidworks is awesome in parallels
[12:58:27] <ReadError> its the only way i run it
[12:58:32] <ReadError> my 3d mouse works perfect too in it
[12:58:34] <ssi> I wish more 3d printing weenies would come over to real machining so they'd write some decent tools
[12:58:41] <ssi> the 3d printing toolchain is amazingly mature
[12:59:31] <ReadError> yea path planning and all
[12:59:43] <ssi> slicing is quite complex
[12:59:51] <ssi> and the slicers work way better than I expected
[13:00:02] <ssi> if they can write slicers, surely they can write 2d jet cam
[13:00:26] <ssi> the problem I always had with sheetcam was it seemed like it rendered all curves (including round holes) as line segments
[13:00:30] <ssi> and I got bad slowdowns on holes
[13:00:51] <ReadError> have you tried like, aspire ?
[13:00:53] <ssi> now part of that was probably mach3's lookahead crap
[13:01:02] <ssi> no I haven't tried aspire
[13:01:04] <ReadError> maybe with a modified post processor for plasma ?
[13:01:25] <ssi> if I recall, it's expensive
[13:01:30] <ReadError> it renders as curves
[13:01:33] <ReadError> yea but they got a demo
[13:01:34] <ssi> I have a hard time spending significant money on software I can't run natively
[13:01:42] <ReadError> cough cough wink
[13:02:17] <ssi> CAM has always been the bane of my existence
[13:02:23] <ssi> I don't have a complete running cnc mill of my own
[13:02:30] <ssi> only lathes and the plasma table
[13:02:39] <ssi> lathe cam is a hurdle I've never been able to jump
[13:02:39] <ReadError> welll
[13:02:44] <ssi> http://www.vectric.com/products/cut2d.html
[13:02:45] <ReadError> hsmxpress is awesome
[13:02:49] <ReadError> for the price (free)
[13:02:50] <ssi> that'd probably be better than aspire
[13:03:04] <ReadError> aspire contains all the cut2d stuff as well
[13:03:06] <ssi> I dunno that I've tried hsmxpress
[13:03:11] <Tom_itx> ssi, i recently got my lathe cam out and got a somewhat working post for linuxcnc
[13:03:20] <ReadError> aspire is like the grand master of the vectric collection
[13:03:26] <ssi> Tom_itx: I'd be interested to see whatever you've got
[13:03:40] <Tom_itx> it's old stuff but i still use it
[13:03:46] <Tom_itx> i did one for andy recently
[13:03:54] <frallzor> Aspire is good, if you intend on doing lots of signage, and 2D-stuff
[13:03:58] <ssi> when I first got my first lathe running and started asking people about cam
[13:04:06] <ssi> the general consensus was "nobody uses cam for a lathe"
[13:04:10] <ssi> just conversational
[13:04:12] <frallzor> I wouldnt pick it for doing anything but "artsy" stuff
[13:04:26] <Tom_itx> i never used it because most of our lathe work we just MDI'd the parts then saved the file
[13:04:46] <ssi> all of my lathe work has been hand-written code
[13:04:51] <Tom_itx> and now i don't have a cnc lathe so it doesn't get much use
[13:04:56] <ssi> but I would like at the very least a profiling cycle
[13:05:03] <ssi> I was pestering cradek to write one once upon a time
[13:05:06] <ssi> but I don't think it ever happened
[13:05:13] <ssi> and I'm not sure I'm smart enough to do it myself :P
[13:05:19] <Tom_itx> get me a file and i can see what i can do if you need something
[13:05:31] <ssi> nah don't need anything at the moment
[13:05:34] <ssi> my lathe is busted right now :(
[13:06:41] <ssi> so I also never had luck with holes on the plasma table
[13:06:45] <ssi> small holes suck
[13:06:54] <ssi> and cutting pilot holes sucks, because the edge is too hard to drill
[13:07:07] <ssi> so I thought about trying to incorporate a spot drill
[13:07:22] <ssi> even better would be an engraving bit that can mark plates and double as a spot drill
[13:07:59] <Tom_itx> mine is an old commercial package
[13:08:22] <frallzor> If I were to choose a kick-ass combination of "cad"-cam it would be rhino with rhinocam
[13:08:24] <ssi> part of my problem is, other than sheetcam, I've never used cam
[13:08:26] <frallzor> powerful stuff there
[13:08:40] <ssi> so starting with lathe (which is far more complex), I have too many mountains to climb
[13:08:44] <ssi> and I just deadlock every time
[13:08:50] <ssi> I figure if I ever get a mill going, I can learn mill cam
[13:08:57] <Tom_itx> frallzor, that stuff kimk linked looked pretty nice for multi axis work
[13:08:58] <ssi> then maybe I'll be in a position to figure out lathe cam
[13:09:16] <frallzor> Tom_itx which?
[13:09:16] <ssi> I never really liked rhino
[13:09:17] <Tom_itx> i forget what it was called now
[13:09:33] <Tom_itx> lemme find it
[13:09:46] <frallzor> Rhino is really powerful when you get the hang of it =)
[13:09:54] <ssi> did they ever get the osx version out?
[13:09:56] <frallzor> add some plugins that makes life easier, and youre set
[13:10:03] <ssi> that's about the only way I'd ever spend any signifdicant time with it
[13:10:08] <frallzor> its out in beta If I recall correctly
[13:10:13] <frallzor> free to use
[13:10:15] <ssi> it was out in beta a long time ago
[13:10:19] <ssi> but it wasn't remarkably usable
[13:10:27] <FinboySlick> frallzor: Is Rhino parametric now? Or is it still mostly surface based?
[13:10:27] <frallzor> maybe RC now
[13:10:41] <FinboySlick> I only used it a long time ago.
[13:10:47] <frallzor> surface based
[13:11:07] <ssi> I have too much solidworks built into my hands :/
[13:11:11] <frallzor> its really nice for that "non 100% technical modeling"
[13:11:26] <frallzor> Im also mainly a wiz at solidworks
[13:11:31] <FinboySlick> Bleh... That's nice for funky shapes but I'd stick to parametric if I had to make mechanical parts.
[13:11:40] <frallzor> but I prefer rhino due to its organical simplicity
[13:12:06] <ssi> FinboySlick: I agree
[13:12:43] <ssi> I've done some work with openscad, and it's pretty neat, but I'm not nearly as fast with it as I am solidworks
[13:13:13] <FinboySlick> My only (minor) annoyance with solidworks is that while they claim to have dynamic thessalation (for display), zoominb in on something that isn't curvy enough still gives you facets.
[13:13:44] <ssi> anyone ever tried NX?
[13:13:57] <FinboySlick> No, but I tried Catia.
[13:14:11] <FinboySlick> Now there's a giganormous piece of software.
[13:14:14] <ssi> supposedly there's NX for osx
[13:14:23] <ssi> but it's not commodity enough to be able to get your hands on
[13:14:27] <Tom_itx> frallzor, http://www.nccs.com/pages/nccs_home.html
[13:14:49] <frallzor> oh
[13:14:53] <FinboySlick> I started Catia on Sun hardware.
[13:14:55] <frallzor> never heard of that
[13:15:07] <FinboySlick> It was very powerful for the time.
[13:15:17] <Tom_itx> apparently that's what the programmer at Stuart's place likes now
[13:15:35] <Tom_itx> Catia is widely used in this town
[13:15:44] <ssi> lemme guess
[13:15:51] <ssi> witchita or somewhere in washington
[13:15:58] <Tom_itx> heh
[13:16:04] <FinboySlick> Tom_itx: You must be near aerospace companies.
[13:16:09] <Tom_itx> yes
[13:16:10] <ssi> exactly :P
[13:16:33] <FinboySlick> It's not really that it's better for aerospace, it's just that you need to be Lockheed to afford it ;)
[13:16:37] <ssi> :D
[13:16:46] <Tom_itx> true
[13:17:00] <Tom_itx> my friend paid for a seat at the shop finally
[13:17:11] <Tom_itx> somewhere around 75k
[13:17:18] <ssi> ridiculous
[13:17:19] <FinboySlick> I think it has integrated CAM, no?
[13:17:25] <Tom_itx> no
[13:17:25] <FinboySlick> And inventory management.
[13:17:30] <Tom_itx> that was extra
[13:17:39] <Tom_itx> at the time anyway
[13:18:11] <FinboySlick> Anyway, it's a big ugly monster.
[13:18:50] <FinboySlick> But back when I was learning it in school, it did stuff that solidworks is only catching up to now... (that they've been bought by Dassault).
[13:19:07] <Tom_itx> smartcam was the tool of choice for a long time but it sold a few times so mastercam kinda took it's place
[13:19:14] <Tom_itx> they're still in business though
[13:19:25] <FinboySlick> I really like HSMWorks.
[13:19:41] <IchGuckLive> it is best to get a PRO cam system at the shop all main systems are at 5K
[13:19:57] <IchGuckLive> as Solid,ProE,Catia.....
[13:20:02] <Tom_itx> they were teaching smartcam at the local vo-tech.. now it's mastercam
[13:20:08] <FinboySlick> Their design philosophy is interesting too: Let's be the best at what we do, not okay at everything.
[13:20:28] <ssi> FinboySlick: I'll give it a shot
[13:20:42] <IchGuckLive> Tom_itx: go and get you a student version for 120USD
[13:20:48] <FinboySlick> ssi: It's focused on hsm toolpaths, nice and curvy.
[13:20:53] <IchGuckLive> its worth a 2 year period
[13:21:15] <ssi> looks like mill only
[13:21:21] <ssi> but maybe I can get it to do jet as well
[13:21:22] <FinboySlick> ssi: They have lathe now.
[13:21:25] <ssi> oh really
[13:21:31] <FinboySlick> Yeah.
[13:22:17] <ssi> and free even
[13:22:20] <ssi> kinda amazing
[13:22:20] <FinboySlick> Not sure how well it supports waterjet and similar work though.
[13:23:12] <FinboySlick> It'd probably be a lot more work to use hsm work for plasma cutting than it's worth.
[13:23:12] <ssi> Serial communications included in HSMXpress Edit requires that you have a physical and properly functioning RS232 Serial Port on your Workstation or PC
[13:23:15] <ssi> wtf is that for?
[13:23:31] <Tom_itx> DNC?
[13:23:39] <ssi> DNC?
[13:23:44] <ssi> something involving democrats?
[13:23:49] <ssi> I definitely don't want no democrat serial port
[13:24:01] <Tom_itx> no, if the machine doesn't have enough memory you can dnc the file
[13:24:05] <ssi> ohh
[13:24:06] <ssi> :D
[13:24:10] <FinboySlick> ssi: They'll vote for an increase in pins, for poor children.
[13:24:23] <FinboySlick> ssi: And before you know it, you'll be stuck with db25.
[13:24:29] <ssi> from each according to his baud rate, to each according to his parity
[13:24:41] <Tom_itx> unless they use it for a hard key
[13:24:50] <ssi> it's free, so I hope not :P
[13:24:52] <Tom_itx> mine used a parport dongle
[13:25:03] <FinboySlick> ssi: Free version has limitations.
[13:25:38] <FinboySlick> I think they tie to the same protection sheme as solidworks itself.
[13:25:43] <FinboySlick> scheme
[13:25:52] <ssi> hm
[13:28:20] <ssi> I hate that nobody in the cad/cam world will tell you how much something costs straight up
[13:28:36] <frallzor> It just means its expensive =)
[13:28:39] <ssi> I bought mach and sheetcam because they have price tags that are small enough that a person can afford t hem, and they LIST THE PRICE ON THE WEBSITE
[13:28:44] <frallzor> and that you can discuss pricing
[13:28:55] <ssi> yeah well I'm not interested in discussing pricing
[13:29:02] <ssi> if I'm not making money on it, I don't have $75k/yr
[13:29:05] <ssi> to spend on your crap
[13:29:09] <ssi> that only runs on windows
[13:30:03] <frallzor> Well then dont care about software withot pricing since you cant afford it? =P It´s aimed at companies =P
[13:30:31] <FinboySlick> ssi: It's relatively cheap compared to Solidworks.
[13:30:39] <Tom_itx> ssi, i agree with the pricing disclosure however most cad/cam come bundled several different ways depending on the needs
[13:30:53] <ssi> yeah everything is cheap compared to solidworks :P
[13:30:59] <ssi> well, except catia, NX, etc
[13:31:03] <Tom_itx> how much is solidworks?
[13:31:06] <ssi> depends
[13:31:16] <FinboySlick> about around 5k, no?
[13:31:23] <Tom_itx> mine was around 6k way back when i got it
[13:31:30] <ssi> you call them and tell them how much money you make and they decide how much to charge you :P
[13:31:44] <Tom_itx> but it paid for itself in the first year
[13:31:58] <ssi> I don't make money off this stuff, so it wouldn't for me
[13:32:01] <frallzor> they tend to do so if you find a purpose for it =)
[13:32:35] <Tom_itx> the 'hobby' market is rather limited on good cad cam
[13:32:41] <FinboySlick> ssi: You can also go for the expanded trialware version ;)
[13:32:44] <ssi> extremely limited
[13:32:53] <ssi> FinboySlick: yeah it's worked for me so far
[13:33:02] <frallzor> boooh
[13:33:36] <ssi> I just keep buying student versions :P
[13:33:48] <ssi> I still have a valid student ID
[13:33:52] <ssi> and I don't make money off what I do
[13:33:55] <ssi> so it seems reasonable :)
[13:34:01] <Tom_itx> almost worth keeping the student status
[13:34:27] <ssi> tdaj
[13:34:28] <ssi> yeah
[13:34:35] <ssi> parallels keeps switching my keymap :/
[13:34:39] <ssi> I just installed hsmworks
[13:34:41] <ssi> lets see how it goes
[13:35:00] <frallzor> I´ve hated every single CAM-plugin for solid
[13:35:09] <frallzor> that why I got rhino with rhinocam
[13:35:16] <frallzor> that thing makes sense
[13:35:37] <FinboySlick> ssi There's a few youtube tutorials.
[13:36:17] <ssi> ok I see
[13:36:25] <ssi> hsmxpress is the free one, hsmworks is the pay one
[13:36:46] <frallzor> 2.5D vs 3/5D =)
[13:36:50] <ssi> ok
[13:36:54] <ssi> I don't need 3d right off the bat
[13:37:00] <ssi> and I certainly don't need 5d
[13:38:39] <ssi> gah I'm ADDing all over the place
[13:46:16] <L84Supper> whats the price of Rhinocam ~$5k?
[13:50:36] <L84Supper> our large customers all use NX + CAM, followed by solidworks + HSMworks or mastercam
[13:51:58] <L84Supper> not even NX CAM has support for any additive manufacturing, and there's nothing for >3 axis CAM in open source
[13:53:15] <ssi> yet open source has GREAT additive manufacturing tools
[13:53:18] <ssi> ironic kinda
[13:53:29] <L84Supper> ssi: ?
[13:53:46] <frallzor> dont need good tools for additive stuffs
[13:53:49] <ssi> like I was saying earlier, the 3d printing toolchain is amazingly mature
[13:53:53] <L84Supper> just support for toy printers like the reprap
[13:53:56] <frallzor> just the software the machines supplies =)
[13:54:08] <frallzor> model in solid etc and export as stl etc
[13:54:16] <ssi> frallzor: yeah the broke-ass 3d printing community have no money, but tons of free time
[13:54:28] <L84Supper> the open 3d print tools are a joke
[13:54:28] <ssi> sitting around trying to figure out something to do now that they don't have any parks to occupy
[13:54:47] <L84Supper> they are only somewhat useful for GGG printers
[13:55:06] <frallzor> GGG?
[13:55:13] <L84Supper> glorified glue gun
[13:55:44] <L84Supper> there is nothing useful for SLS, DLP SLA, inkjet or combinations of them
[13:56:07] <frallzor> why have super sophisticated software with units that cant take advantage of it anyway? =)
[13:56:16] <ssi> the tools will emerge as the hackers get access to the tech
[13:56:24] <ssi> that's sorta my point
[13:56:33] <ssi> if the OSS guys had 5 axis mills
[13:56:36] <L84Supper> they are all stuck in GGG
[13:56:42] <ssi> even little hacky ones like the hoss machine
[13:56:46] <ssi> there'd be awesome free cam
[13:57:14] <L84Supper> horrible kludge code so far, we even had to refactor Repetier
[13:57:35] <ssi> oh I didn't say the code was good
[13:57:40] <L84Supper> heh
[13:57:42] <ssi> slicer is all perl *shudder*
[13:57:49] <ssi> but it all WORKS surprisingly well
[13:57:55] <ssi> better than I expected
[13:58:30] <frallzor> http://solidsmack.com/fabrication/botobjects-announce-worlds-first-full-color-3d-printer-for-the-desktop/ heard about this pile of BS? =)
[13:58:33] <FinboySlick> I still think people should do a modern rewrite of something like OpenCASCADE.
[13:58:43] <L84Supper> we have had to write everything, there was nothing that we could show customers for production applications
[13:58:49] <FinboySlick> (probably a monumental task, mind you)
[14:00:14] <L84Supper> GGG is a very small subset of additive manufacturing tech yet the hype is that it's going to revolutionize manufacturing
[14:00:40] <frallzor> well it allready has
[14:00:58] <generic_nick|2> anyone know of a good cheap company for machine shop insurance?
[14:01:07] <L84Supper> we must live in different worlds :)
[14:01:10] <FinboySlick> We need a very very fast pick-and-place robot that can work on the atomic scale ;)
[14:01:11] <frallzor> it made 3D-printing more available and upped the hype for 3D-printing
[14:01:16] <generic_nick|2> moving into a real shop and i need insurance on my machines
[14:01:32] <frallzor> so I´d say its somewhat of a revolution
[14:03:02] <L84Supper> GGG is for a small range of polymers that are deposited well by extrusion at slow speeds, it's 1000x slower than injection molding
[14:03:21] <ssi> it's certainly not replacing injection molding
[14:03:32] <ssi> it's 1,000,000,000x CHEAPER than injection molding for single qtys
[14:03:42] <frallzor> I cant see injection molding taking a place in every mans home =P
[14:03:52] <frallzor> although I could see 3D-printers
[14:03:54] <ssi> and orders of magnitude FASTER than injection molding for single qtys
[14:03:55] <L84Supper> SLA is 10-100X faster than GGG and at higher res
[14:03:58] <ssi> when you consider tooling times
[14:04:44] <frallzor> and alot more expensive =)
[14:05:00] <L84Supper> whats more expensive?
[14:05:05] <frallzor> SLA-printers
[14:05:10] <frallzor> and the material they use
[14:05:10] <ssi> pretty much everything is more expensive than FFF
[14:05:10] <L84Supper> not at all
[14:05:30] <L84Supper> SLA is simpler and has fewer moving parts
[14:05:53] <L84Supper> 1 moving axis vs 3
[14:07:48] <frallzor> replicator 2 vs form 1 about $1100 difference
[14:08:17] <frallzor> plus the "goo" for the form1 is way more expensive that some plastic tubing
[14:08:21] <frallzor> *than
[14:08:25] <L84Supper> I'm comparing BOM cost vs street price in the USA
[14:09:09] <ReadError> L84Supper
[14:09:11] <frallzor> Im comparing things that exist as we speak =)
[14:09:20] <L84Supper> photopolymers are at parity and below GGG filament, they are easier to manufacture
[14:09:20] <ReadError> so whats a good off the shelf open source SLA printer
[14:09:31] <ReadError> that anyoone with some background can make?
[14:09:44] <ssi> I've seen a couple projects
[14:09:50] <ssi> but the form1 is the only one I've seen with any substance
[14:09:57] <frallzor> Ive seen one and that was the form 1
[14:10:03] <L84Supper> form1 uses a laser and galvos
[14:10:04] <frallzor> that was supposed to be open source
[14:10:24] <L84Supper> there is an open laser + galvo setup
[14:10:39] <ssi> who was working on a SLS?
[14:10:41] <ssi> WalterN?
[14:10:43] <ReadError> and its closed source, and 2,500$
[14:10:52] <ReadError> so yea
[14:11:03] <ReadError> theres no tried and proven SLA open source printers
[14:11:28] <L84Supper> http://pryntech.com/
[14:11:33] <frallzor> the indiegogo and kickstarter har ruined opensource development
[14:11:37] <frallzor> *has
[14:11:46] <ssi> frallzor: yeah it's certainly changing the dynamic
[14:11:47] <L84Supper> B9 has open hardware files for DLP SLA
[14:13:48] <ReadError> 150$ per liter of resin...'
[14:13:52] <ssi> I think kickstarter for technology projects might wane here in the future
[14:13:56] <ssi> very few of them deliver on time
[14:14:02] <ssi> and I think people are starting to get frustrated
[14:14:13] <frallzor> seems more anre more fails
[14:14:16] <frallzor> *and
[14:14:18] <ReadError> rift goggles
[14:14:22] <L84Supper> nah $45 in low volume
[14:14:31] <ssi> and I say that coming from the point of view of someone who was involved in two successful kickstarters :P
[14:14:31] <ReadError> guy oredered almost a year ago
[14:14:39] <ReadError> they have not shipped his dev kit
[14:14:59] <ReadError> ssi: which?
[14:15:20] <ssi> this one's mine:
[14:15:20] <ssi> http://www.kickstarter.com/projects/cboehmig/used-for-comparisons-new-album-the-great-divide
[14:15:33] <ssi> this one's a good friend of mine:
[14:15:37] <ssi> http://www.kickstarter.com/projects/600284081/adtrap-the-internet-is-yours-again?ref=live
[14:15:37] <L84Supper> expect low cost printers in China, the rest of the world will be fighting over patents
[14:16:14] <L84Supper> so the same as they took over computer manufacturing they will take over 3d printer manufacturing
[14:17:26] <ssi> and of course, adtrap is late
[14:17:34] <ssi> our album is somewhat on time
[14:17:39] <ssi> although the vinyl might be a couple weeks late
[14:17:47] <frallzor> http://www.aliexpress.com/item/Automatic-3D-Printer-single-extruder-open-source-MakerBot-Replicator-ABS-extrusion-machine-stainless-steel-steady/803894004.html thats pretty ok pricing for a GGG
[14:18:05] <ssi> CDs should definitely be in this month
[14:18:11] <ssi> vinyl actually certainly won't be
[14:18:19] <ssi> don't even have test pressings back from holland yet
[14:18:29] <ssi> I expect next week we'll have test pressings
[14:18:36] <WalterN> ssi: ohi... what? somebody poked me
[14:18:37] <ssi> then five weeks of production
[14:18:54] <ssi> WalterN: oh nothing, we were talking about additive mfg techs, and I was trying to remember if it was you that's trying to do SLS
[14:18:55] <andypugh> ssi: Have you seen: http://www.linuxcnc.org/index.php/english/forum/40-subroutines-and-ngcgui/11414-metric-lathe-subroutines-g71-g72-etc-etc#11414
[14:19:06] <WalterN> oh, yeah
[14:19:23] <ReadError> scribblej tried to do it
[14:19:29] <ReadError> didnt have much lukc
[14:19:30] <ssi> andypugh: no, I haven't, but I'll take a look... profiling cycles would be a boon :D
[14:19:39] <ReadError> i think my next project, a delta mill ;)
[14:19:48] <ssi> ReadError: I have a delta frame that I built for FFF
[14:19:52] <ReadError> would be fun
[14:19:53] <ssi> it's here in my cube at work
[14:20:19] <ReadError> nice, i was wanting to use like real acme screws
[14:20:22] <ReadError> linear blocks
[14:20:24] <ssi> would be slow
[14:20:27] <ReadError> to make it super rigid
[14:20:27] <frallzor> ahh a delta mill would be nice
[14:20:29] <andypugh> Did someonemention CAD for OSX earlier?
[14:20:34] <ssi> andypugh: yea me
[14:20:44] <andypugh> https://itunes.apple.com/gb/app/autodesk-inventor-fusion/id529580720?mt=12
[14:20:57] <ReadError> fusion is bad ;/
[14:21:00] <ReadError> i didnt like it
[14:21:06] <L84Supper> the cost of the raw materials for GGG filament or SLA photopolymers are about the same, photopolymers just need to be mixed, filaments need the extra step of being extruded, photopolymers will drop well below the price of filaments
[14:21:11] <ReadError> solidworks, i can get in and do what i need
[14:21:12] <ssi> I've never been able to wrap my brain around autocad stuff
[14:21:12] <frallzor> its that cloud based crap?
[14:21:28] <andypugh> It's great for the price, and non cloud-based
[14:21:29] <ReadError> solidworks just makes sense
[14:21:35] <ssi> agreed
[14:21:47] <ssi> ReadError: http://sphotos-a.xx.fbcdn.net/hphotos-frc1/577596_10100133843429202_1708616203_n.jpg
[14:22:03] <andypugh> Fusion is meant to be a partner for Inventor (Which I have a licence for).
[14:22:10] <ReadError> why isnt it moving ssi????
[14:22:20] <ssi> cause there's nothing hooked up to it at the moment
[14:22:23] <andypugh> But as a free App there seems no reason not to have it on a MAc.
[14:22:38] <ssi> andypugh: I'll give it another shot
[14:22:42] <ReadError> once i get some more time
[14:22:44] <ReadError> i want to do it
[14:22:57] <ssi> ReadError: my only concern would be the speed
[14:22:58] <ReadError> since you get extra degrees of motion
[14:23:06] <ReadError> on off centered axis
[14:23:08] <ssi> i've seen some screw based delta frames, and they're SLOOOOW
[14:23:20] <ReadError> so its like a super ghetto 5 axis
[14:23:24] <ssi> and you won't get extra DOF without extra motors
[14:23:30] <ssi> you'll need six vertical axes I think
[14:23:33] <frallzor> replace steppers with servos and that delta fram will fly =D
[14:23:35] <ReadError> yea
[14:23:36] <frallzor> *E
[14:23:41] <ReadError> to tilt it
[14:23:47] <ssi> honestly if you're gonna do that
[14:23:49] <ssi> do a stewart platform
[14:24:32] <ReadError> https://www.youtube.com/watch?v=G_UmhUjZhNo
[14:26:10] <ReadError> https://www.youtube.com/watch?v=nebJ59TcYlQ
[14:26:28] <ssi> that's a well done machine
[14:26:31] <ssi> I wonder how rigid it is
[14:27:00] <frallzor> 0.02mm repeatability
[14:27:03] <frallzor> not bad
[14:27:55] <ssi> I'd be curious to play with something like this:
[14:27:55] <ssi> https://www.youtube.com/watch?feature=endscreen&NR=1&v=B2egFi3N3wE
[14:28:10] <frallzor> It is not good looking at toys like that, better be happy with what one have =P
[14:28:22] <ssi> :)
[14:28:25] <ssi> honestly
[14:28:30] <ssi> as intriguing as a machine like that is
[14:28:36] <ssi> the CAM alone makes it infeasible
[14:28:36] <L84Supper> WalterN: http://pryntech.com/?product=20kpps-laser-galvanometer-kit
[14:29:00] <WalterN> what is kpps?
[14:29:07] <L84Supper> WalterN: you can use or copy everything from his design
[14:29:11] <ssi> thousand pulses per sec?
[14:29:21] <L84Supper> positions per second
[14:29:23] <ssi> ah
[14:29:45] <ssi> do galvos work for cutting?
[14:29:46] <L84Supper> he uses the same galvos i set you the links to the other day
[14:29:49] <frallzor> http://pryntech.com/?product=opensl-1-0-3d-printer
[14:29:59] <frallzor> thats pretty ok if its allmost complete =)
[14:30:17] <L84Supper> you can build a DLP sla printer for far less
[14:30:43] <WalterN> L84Supper: you mean this? http://www.brandnew-china.cn/product/752734740-218400239/40Kpps_Wider_Angle_Speed_Galvo_Scanner_For_Laser_Show_Projector_Good_Price_and_Quality_With_Stocks.html
[14:31:15] <ssi> so what kind of lasers do these galvo based SLA machines use?
[14:31:26] <L84Supper> http://www.brandnew-china.cn/productgrouplist-218400239/Laser_Scanner.html
[14:31:50] <L84Supper> ssi: just matched to the photopolymer, you can use a $15 bluray laser
[14:32:17] <ssi> I see
[14:32:23] <andypugh> This is a useful looking hexapod: http://youtu.be/kS9oxp0mlw8
[14:32:24] <Tecan> (kS9oxp0mlw8) "OKUMA PM-600V Hexapod Technology" by "Guilherme Teixeira" is "Tech" - Length: 0:03:47
[14:32:50] <ssi> andypugh: beyond my budget :)
[14:33:09] <ssi> L84Supper: my friend has a high power diodet hat I'm trying to get him to lend me
[14:33:13] <ssi> it's a 445nm 2.6W
[14:33:24] <WalterN> only 2.6?
[14:33:27] <ssi> yeah
[14:33:29] <WalterN> meh
[14:33:40] <ssi> what is yours?
[14:33:42] <ssi> 30W you said?
[14:33:43] <WalterN> honestly I would like 200 or more
[14:33:55] <L84Supper> photopolymers <440nm are cheap
[14:33:55] <WalterN> but 30 is a good start I guess :P
[14:34:00] <ssi> I don't think you're gonna get 200 out of a diode
[14:34:11] <ssi> at least not for money that fits in a wallet
[14:34:11] <WalterN> no, probably not from a diode
[14:34:13] <L84Supper> they get slower and more expensive over 440nm
[14:35:37] <WalterN> honestly I'm considering just grabbing a CO2 laser because it seems like its impossible to find 808nm f-theta scanning lenses
[14:36:11] <ssi> I've thought about buying a cheapy china 40W co2 tube
[14:36:17] <ssi> and building a 2x4' table for it
[14:36:20] <L84Supper> a used DLP projector on ebay is under $50
[14:36:29] <ssi> then later getting a decent tube for it, once I have the kinks worked out
[14:36:34] <L84Supper> 405nm 3w leds are <$5
[14:37:00] <ssi> SLA doesn't require much power, does it
[14:37:05] <ssi> what kind of power does SLS require?
[14:38:01] <WalterN> enough to melt the material
[14:38:48] <WalterN> 20-30 watts will work for plastic pretty well I think
[14:39:36] <WalterN> so should I buy this? http://pryntech.com/?product=20kpps-laser-galvanometer-kit
[14:39:51] <L84Supper> the powder bed is preheated to just below the transistion temp
[14:40:21] <L84Supper> the laser just raises the temp over this to fuse the powder
[14:41:22] <L84Supper> WalterN: you can buy from either, but prytech has the software posted somewhere and the open controller design
[14:41:43] <WalterN> oh ok
[14:41:50] <WalterN> will it work with linuxCNC?
[14:42:48] <L84Supper> once people get away from GGG and move on to SLA and inkjet hybrids then there will be a change in how many things get manufactured
[14:43:38] <L84Supper> WalterN: that galvo controller has a +/- 10V or 5V input that works with the Mesa servo boards
[14:44:32] <L84Supper> WalterN: but his current software and controller design do it some open source FAB (free and broken) way
[14:46:25] <L84Supper> bbl
[14:50:05] <WalterN> alright, well, I ordered it :P
[14:50:36] <WalterN> I still need to find a freeking f-theta scanning lens that does not lose half of the light in the optics
[14:54:32] <GammaX-Shop> Hey guys
[14:57:12] <GammaX-Shop> acording to this diagram... http://www.automationtechnologiesinc.com/wp-content/plugins/download-monitor/download.php?id=341 which collar wires do I hook up for bipolar parallel?
[15:04:59] <jdh> perhaps it's just me, but I'd go with the one that says 1) Bipolar (parallel) connection
[15:07:05] <Connor> Don't most do those in series ?
[15:07:19] <Connor> what sort of driver you using? Can it handle 6 amps ?
[15:10:06] <jdh> that's a hefty stepper
[15:10:26] <Connor> Nema 34
[15:11:44] <Connor> 1200 Oz-in
[15:12:27] <Connor> Wow. GammaX-Shop What are you using that on? Z axis ?
[15:12:34] <GammaX-Shop> yup
[15:12:45] <Connor> Which machine? and why parallel vs series ?
[15:12:54] <GammaX-Shop> yeah I got 7.2amp drivers
[15:13:10] <GammaX-Shop> Connor, the torque/speed chat looks rteal good
[15:13:25] <Connor> What machine ?
[15:13:38] <GammaX-Shop> pm45
[15:13:40] <ssi> it depends on the driver
[15:13:51] <ssi> series makes the inductance go up by a square factor
[15:14:15] <ssi> and the voltage you want to run is related to the inductance of the motor
[15:15:28] <GammaX-Shop> so back to my question.... what color wires get attached together lol
[15:15:35] <GammaX-Shop> cant figure out that little wire diagram
[15:16:00] <ssi> red/green together, blue/yellow together, brn/org together, blk/wht together
[15:16:01] <Connor> wire BLU and Yellow toggether for A+,
[15:16:36] <Connor> Red Green for A-, Brown Orange for B+ and Black white for B -
[15:16:42] <Connor> Doh, SSI beat me too it.
[15:16:47] <ssi> SORRY
[15:16:52] <GammaX-Shop> and thats for parallel?
[15:16:56] <ssi> yep
[15:16:59] <Connor> yea.
[15:17:05] <GammaX-Shop> that crap diagram does not lead me to belieave that lol
[15:17:18] <Connor> Nothing wrong with the diagram..
[15:17:35] <ssi> I have to agree with connor on this one
[15:17:44] <Connor> I guess they could have used connector dots...
[15:17:54] <jdh> one of those lines does look a little funky
[15:18:34] <Connor> the ones in the middle section are not connected.. they're cross-overs..
[15:18:39] <GammaX-Shop> that diagram leads me to beleive blue and green is A+, I beleive you all though lol
[15:19:07] <ssi> I don't see how you came to that conclusion
[15:20:27] <GammaX-Shop> I do! lol
[15:20:35] <GammaX-Shop> ok lemme get back to wiriin up my z!
[15:20:39] <jdh> perhaps he is color blind.
[15:20:41] <GammaX-Shop> thanks guys
[15:21:03] <ssi> color-word blind
[15:21:39] <GammaX-Shop> lol\
[15:23:48] <GammaX-Shop> also, if you needed to make felt wipers for a lathe.. which felt would you buy? THanks!
[15:26:25] <GammaX-Shop> im deff buildin a plasma cnc router next! prolly take me a few months though..
[15:26:28] <jdh> mcmaster sells felt by density
[15:26:57] <jdh> shippping is probably way more than cost though\
[15:29:22] <jdh> http://www.grainger.com/Grainger/Felt-Strip-2FKA2?Pid=search
[15:30:30] <ssi> mcmaster >>> grainger
[15:30:56] <jdh> I can stop by grainger on the way home
[15:31:13] <ssi> I can stop by mcmaster on the way home... only slightly roundabout
[15:31:21] <ssi> and they actually have things in stock
[15:31:28] <jdh> then I win.
[15:31:36] <ssi> in the time it takes to get grainger to get things to their store, I can have mcmaster ship it to me
[15:31:40] <ssi> everything's overnight
[15:31:45] <ssi> and on a couple rare occasions, I've gotten stuff same day
[15:31:51] <ssi> (it's expensive if you ask for same day though)
[15:32:05] <jdh> and, you have to live in atlanta... nothing could make up for that!
[15:32:18] <ssi> I don't live in atlanta, but I work in atlanta :)
[15:32:24] <ssi> and yes, that's mostly terrible
[15:32:29] <ssi> but having a paycheck is nice
[15:32:35] <jdh> indeed
[15:32:50] <jdh> http://www.surfchex.com/
[15:32:56] <jdh> we have better web cams
[15:33:09] <jdh> hm. today is not a spectactular example.
[15:33:13] <ssi> lol
[15:34:06] <ssi> needs more chicks
[15:34:30] <jdh> another few weeks
[15:34:49] <GammaX-Shop> mcmaster is a grainger?
[15:34:56] <ssi> hahaha no
[15:35:04] <ssi> grainger wishes it was mcmaster
[15:35:07] <jdh> grainger probabaly gets things from mcmaster
[15:35:19] <GammaX-Shop> Is there only 1 mcmaster place/
[15:35:27] <ssi> no, there's a half dozen or more
[15:35:54] <ssi> or less: Robbinsville, New Jersey; Santa Fe Springs, California; Atlanta, Georgia and Cleveland, Ohio.
[15:35:57] <ssi> :D
[15:36:06] <ssi> oh and chicago
[15:36:06] <jdh> I've only gotten things shipped from atl
[15:36:08] <ssi> that's the main one I think
[15:36:11] <ssi> jdh: where are you?
[15:36:16] <jdh> .nc.us
[15:36:34] <ssi> yea you'll get atl unless something's out of stock
[15:36:39] <ssi> how long is shipping from them for you?
[15:36:47] <jdh> next day usually
[15:36:50] <ssi> yea
[15:36:53] <jdh> sometimes 2
[15:36:55] <ssi> I wonder if it's that way everywhere
[15:36:56] <GammaX-Shop> i wish there was one in denver
[15:37:01] <ssi> I get everything next day if it's in stock in atl
[15:37:03] <GammaX-Shop> I got grainger right down road so that aint bad.
[15:37:07] <jdh> never same day?
[15:37:07] <ssi> but I love mcmaster
[15:37:12] <ssi> occasionally
[15:37:13] <GammaX-Shop> and a Harbor freight ;)
[15:37:14] <ssi> if it's odd stock
[15:37:18] <ssi> too big for ups
[15:37:20] <ssi> they'll courier it
[15:37:34] <jdh> I have a friend that lives in atl. if he orders in the morning, its sometimes there in the afternoon
[15:37:44] <jdh> via UPS
[15:37:45] <ssi> it's happened, but it's not predictable
[15:37:51] <ssi> now what I have done a lot
[15:37:56] <ssi> is get into a project on the weekend
[15:37:59] <ssi> and realize I'm missing something
[15:38:07] <ssi> and I'll call them at 3-4am saturday morning
[15:38:09] <ssi> (ie late friday night)
[15:38:15] <ssi> and pick it up will call saturday am
[15:38:52] <ssi> also you can call them and they'll get an engineer to put a caliper on something for you
[15:39:01] <ssi> and their return policy is "mail it back and we'll sort it out"
[15:39:12] <ssi> and they have one of the best ecom websites I've ever dealt with
[15:39:28] <ssi> as far as taxonomy searching
[15:40:57] <ssi> I oughta check out http://www.amazonsupply.com
[15:41:03] <ssi> that could be cool too
[15:42:41] <jdh> they have packaging issues
[15:42:45] <ssi> amazon does?
[16:10:40] <L84Supper> WalterN: that SLA printer with the galvos doesn't use a lens
[16:11:32] <ssi> god i'm falling asleep
[16:11:36] <ssi> everyone needs to be more entertaining
[16:11:46] <L84Supper> http://pryntech.com/wiki/index.php?title=Hardware#Galvanometers
[16:13:05] <L84Supper> WalterN: but he's just polymerizing, not sintering or albating
[16:30:37] <DJ9DJ> gn8
[16:41:03] <ssi> oooooo
[16:53:13] <ssi> are there any tutorials for writing hal components?
[17:03:18] <andypugh> ssi: Other than the comp docs?
[17:03:43] <ssi> I haven't seen any docs that seem to be deeper than using components, pin names and such
[17:03:48] <ssi> if there's something deeper maybe I'm overlooking it
[17:04:05] <andypugh> http://www.linuxcnc.org/docs/2.4/html/hal_comp.html
[17:04:23] <ssi> hm ok, thanks
[17:04:55] <WalterN> L84Supper: what kind of machine makes those hunks of glass that have the dots inside the glass to make up a 3D object?
[17:04:55] <L84Supper> http://www.linuxcnc.org/docs/HAL_User_Manual.pdf is this still current?
[17:05:44] <L84Supper> WalterN: ? translation or better description required
[17:05:48] <ssi> see even that doesn't really talk about the metal.. it's abstracts it behind shiny easy things
[17:06:20] <andypugh> L84Supper: For 2.5 yes. That appears to be the manual for Master too.
[17:06:51] <L84Supper> http://linuxcnc.org/docs/html/hal/tutorial.html
[17:07:07] <JT-Shop> ssi the hal basic tutorial
[17:07:21] <ssi> I know how to *use* hal
[17:07:22] <ssi> :P
[17:07:37] <L84Supper> http://linuxcnc.org/docs/html/hal/basic_hal.html
[17:07:53] <L84Supper> http://linuxcnc.org/docs/html/hal/components.html
[17:07:55] <WalterN> L84Supper: I dont know what they are called... they are a novelty thing, like a fancy paper weight
[17:08:08] <JT-Shop> oh I misread your question
[17:08:18] <ssi> I guess I'll try using comp to create a component and compile it to C and use that for a starting point
[17:08:19] <andypugh> ssi: You can compile into C and see what it comes up with as a starting point, but otherwise you will need to look at existing modules and see how they work. However, many of the distributed hal components are written in .comp
[17:08:24] <L84Supper> WalterN: have a pic?
[17:08:34] <JT-Shop> writing a c component or a comp generated component?
[17:08:34] <WalterN> uh
[17:08:38] <WalterN> I can look
[17:09:04] <ssi> JT-Shop: I'm basically just trying to get to where I can give gpios on this board hal pins and flip them from within hal
[17:09:09] <ssi> I imagine that's going to require writing a driver
[17:09:17] <ssi> or trying to figure out how to adapt mike's beagle_gpio driver
[17:09:37] <ssi> eating an elephant is one bite at a time, but sometimes it's hard to get your spoon through the skin
[17:09:47] <JT-Shop> aye
[17:09:47] <L84Supper> by sometime this summer there should be a front end for Linuxcnc with features found in Repetier such as slicing, homing, etc etc
[17:10:15] <L84Supper> WalterN: that should make Linuxcnc easier to use for 3dp
[17:10:15] <ssi> oh so here's an easier question
[17:10:24] <ssi> I want to run some stuff by you guys about Estop and machine enable
[17:10:37] <ssi> the mill I just did, the one outstanding thing I need to sort out is a hardware estop
[17:11:02] <ssi> there's a contactor in the power box, and the power for the contactor loops through the interface box
[17:11:10] <ssi> so basically when the box is plugged in, that completes the circuit
[17:11:21] <ssi> and then ther's a green button on the front of the machine that powers the contactor, which then self-latches
[17:11:33] <ssi> I Want to replace the loop inside the interface box with an SSR
[17:11:56] <ssi> and then have an estop button that's double pole, that both interrupts the contactor line and breaks an io line to the mesa card
[17:12:09] <ssi> is it possible to set hal up so that io line also controls the status of the F1 estop in axis?
[17:12:19] <JT-Shop> yep
[17:12:23] <andypugh> ssi user-enable -in
[17:12:38] <ssi> second, i want to have a momentary button on the machine that toggles the state of machine enable, F2
[17:12:46] <ssi> is it possible to amke a momentary button toggle a pin?
[17:12:53] <andypugh> Yes
[17:12:55] <ssi> ok
[17:12:57] <JT-Shop> yep
[17:13:08] <andypugh> toggle2nist
[17:13:16] <JT-Shop> external e stop http://www.linuxcnc.org/index.php/english/forum/47-hal-examples/25861-external-e-stop
[17:13:36] <ssi> ok cool
[17:13:48] <JT-Shop> single button toggle http://www.linuxcnc.org/index.php/english/forum/47-hal-examples/10494-toggle-flood-with-one-button
[17:14:11] <JT-Shop> run/stop hold/resume http://www.linuxcnc.org/index.php/english/forum/47-hal-examples/13201-runstep-holdresume-buttons
[17:14:35] <ssi> that'd be the next thing that would be useful for this machine
[17:14:40] <JT-Shop> all the HAL examples on the forum http://www.linuxcnc.org/index.php/english/forum/47-hal-examples
[17:15:47] <ssi> the folks that have that mill use it for one and only one t hing
[17:15:52] <ssi> drilling those holes in pvc
[17:15:59] <ssi> and they cut holes on 6" centers along 20' of pipe
[17:16:01] <ssi> 4 pipes at a time
[17:16:10] <ssi> I wrote them a program that has an M1 pause while they reindex the pipe
[17:16:13] <JT-Shop> making drain pipe?
[17:16:21] <ssi> no it's for hydroponic grow rigs
[17:16:33] <JT-Shop> close
[17:16:46] <ssi> they're 1.75" holes, and the plants actually sit in the holes
[17:16:58] <JT-Shop> neat, do you have a photo of it?
[17:16:59] <ssi> and they drill somethin like 80k' of pipe a month
[17:17:06] <ssi> not on me
[17:17:12] <L84Supper> one mans drainpipe is another mans hydroponic grow rig :)
[17:17:20] <JT-Shop> that's a bunch of pipe
[17:17:23] <ssi> yeah it is
[17:17:24] <Tom_itx> i really gotta work on my spindle code tonight
[17:17:31] <ssi> their machine has been down for a year
[17:17:45] <ssi> it had an early 90s centroid DOS control on it
[17:17:47] <Tom_itx> i've been putting it off
[17:17:48] <JT-Shop> they been doing it by hand?
[17:17:50] <ssi> yep
[17:17:56] <JT-Shop> ouch
[17:18:23] <ssi> they had a centroid dealer quote them a repair
[17:18:29] <ssi> he told them "it's probably the motherboard"
[17:18:35] <ssi> and $2500 for the part, $2k labor, $2k travel
[17:19:09] <ssi> or $8500 to buy a new windows-based centroid control
[17:19:43] <ssi> I built them a nice control http://sphotos-b.xx.fbcdn.net/hphotos-ash3/944683_10100131793367542_829866394_n.jpg
[17:19:48] <ssi> only thing it lacks now really is a nice front panel
[17:20:08] <ssi> that picture it's missing the Z drive, which is in place now
[17:20:16] <ssi> and I'm going to add the SSR for the contactor
[17:20:49] <JT-Shop> nice work
[17:20:54] <ssi> thanks
[17:21:01] <JT-Shop> mil spec connectors an all
[17:21:08] <ssi> yep
[17:21:10] <ssi> and milspec wire
[17:21:16] <ssi> and milspec cable lacing for that matter :)
[17:21:43] <ssi> http://sphotos-b.xx.fbcdn.net/hphotos-ash4/262501_10100133915824122_1848380283_n.jpg
[17:21:59] <ssi> needs monitor/usb extensions
[17:22:28] <JT-Shop> does it have 4 spindles?
[17:22:44] <ssi> ?
[17:22:56] <ssi> only one that I'm aware of :D
[17:22:57] <JT-Shop> one for each pipe?
[17:22:59] <ssi> no
[17:23:00] <WalterN> L84Supper: like this... http://www.shortcourses.com/images/b7ch3/portrait.jpg
[17:23:24] <ssi> it drills each pipe, looping in Y
[17:23:32] <ssi> then jumps to the next hole in X
[17:23:40] <ssi> and does the pipes backwards on even hole numbers for efficiency
[17:23:53] <ssi> square-wave pattern
[17:24:34] <mhaberler> ssi: I've talked to Charles about the gpio driver for bb; are you willing to put in some effort into it? we would help with a bit of directions if so; note that can be done on 3.8 right now without xenomai
[17:25:00] <ssi> mhaberler: I would love to put effort into it... i'm just having a bit of learning curve trouble right now, but I'm dogged :)
[17:25:34] <mhaberler> good - codename for the xenomai effort was 'Operation Leatherbutt' ;)
[17:25:39] <ssi> hahaha
[17:25:52] <mhaberler> wanna see the leather ;-?
[17:26:02] <ssi> I have a close friend who has some am335x experience
[17:26:08] <ssi> he designed the adtrap on kickstarter
[17:26:11] <ssi> and he's working closely with TI
[17:26:21] <ssi> he's gonna help me with linuxcnc on the bbb
[17:26:22] <L84Supper> lederdupa?
[17:26:26] <mhaberler> anyway it boils down to the setup sequence really, so as not to conflict with the PRU driver
[17:26:58] <ssi> so as I understand it, you could potentially have the PRU running code attached to some of the GPIO pins,
[17:27:00] <mhaberler> Charles isnt on irc; can we do this on the devlist, and which real name would you appear under there?
[17:27:10] <ssi> and have the soft GPIO driver on other pins
[17:27:13] <ssi> Ian McMahon
[17:27:17] <ssi> and I guess I need to get on the list
[17:27:46] <mhaberler> we have decided there should be a separate hal driver for the non-time-critical / non PRU managed pins, which requires a bit of coordination
[17:28:18] <mhaberler> yes, that would help; just ping us there and we go from there
[17:28:23] <ssi> so you're thinking forget about xenomai/rtapi, just have PRU for RT tasks and hal_gpio for user mode?
[17:28:39] <mhaberler> ha?
[17:28:52] <mhaberler> let me state what the issue is:
[17:29:10] <mhaberler> we have the PRU stepgen driver, which wiggles the pins it needs for stepgen just fine
[17:29:18] <mhaberler> it does _not_ wiggle any others
[17:29:26] <ssi> right
[17:30:09] <mhaberler> we think we should use a separate hal driver for those gpio pins which are not managed/used by the PRU; that'd be an extra unnecessary dependency
[17:30:50] <mhaberler> that would in principle look like hal_gpio.c except for the setup sequence in rtapi_app_init
[17:31:18] <mhaberler> we need to decide whether sysfs digging is the right way to go; I assume the answer is yes
[17:31:54] <mhaberler> I also think there's no point anymore in targeting the 3.2 non-dtb kernel, the 3.8 xeno kernel is pretty close
[17:32:08] <WalterN> L84Supper: so yeah, I've always wondered what kind of machine makes that
[17:32:32] <L84Supper> WalterN: http://www.youtube.com/watch?v=40Ku4aqBmV0
[17:32:32] <Tecan> (40Ku4aqBmV0) "Laser engraving inside crystal" by "rhett7070" is "Tech" - Length: 0:00:22
[17:32:34] <WalterN> not that I've ever actually looked
[17:32:35] <mhaberler> so its either sysfs or dtb, but I must say I dont fully understand if there's an either-or here, I am a dtb illiterate
[17:32:58] <mhaberler> that's the exploratory part really which we should discuss
[17:33:14] <ssi> I don't know much about sysfs or dtb either, but I'm going to try to come up to speed
[17:33:17] <L84Supper> WalterN: laser crystal engraving or subsurface photo crystal engraving
[17:33:30] <ssi> I'm writing a list introduction now, and then I have to run
[17:33:42] <L84Supper> WalterN: the laser get focus inside the glass, not at the surface
[17:33:43] <mhaberler> nb: you can build a 'sim' build (aka --with-threads=posix plus --enable-drivers) and have full I/O functionality, only bad timing
[17:33:56] <mhaberler> but thats irrelevant for driver writing
[17:34:01] <mhaberler> great, see you there
[17:34:05] <ssi> hm I may have missed --enable-drivers
[17:34:10] <ssi> I have it built and sorta running
[17:34:15] <ssi> although I've never gotten it into axis
[17:34:19] <L84Supper> WalterN: http://www.ucrystal.com/
[17:34:21] <ssi> just been able to poke at halcmd a bit
[17:34:53] <mhaberler> ok, on weekend I'll get me and Charles a 3.8 kernel so we can compare notes
[17:35:06] <ssi> ok cool
[17:35:10] <ssi> I have a second BBB coming as well
[17:35:11] <ssi> dunno why
[17:35:14] <ssi> I guess I just like spending money
[17:35:15] <L84Supper> WalterN: http://www.youtube.com/watch?v=2xAVxsWD1PM
[17:35:16] <Tecan> (2xAVxsWD1PM) "3dsparkle: 3d Crystal Engraving Example" by "3dsparkle" is "Tech" - Length: 0:01:29
[17:35:23] <ssi> alright, talk to you later
[17:35:26] <ssi> thanks for the help!
[17:35:32] <ssi> also, thanks JT and andy for the hal tips :D
[17:37:31] <WalterN> L84Supper: so could I do that with my 808nm 30 watt laser? :3
[17:38:29] <L84Supper> WalterN: if you can control the focus precisely enough
[17:39:48] <JT-Shop> no problem
[17:40:21] <Tom_itx> JT-Shop, do you know of a pendant spindle control code i could look at? i'm not so happy with the behavior on mine
[17:40:25] <JT-Shop> 2 down 6 to go
[17:40:46] <JT-Shop> what kind of pendant?
[17:41:07] <Tom_itx> handheld with a button for spindle on off MPG etc
[17:41:29] <Tom_itx> wired into the mesa card
[17:41:41] <JT-Shop> I guess you would have to knit one together from the examples
[17:41:48] <JT-Shop> is each input seperate?
[17:41:51] <Tom_itx> i need to look mine over again
[17:42:05] <Tom_itx> i can post the latest files
[17:42:21] <Tom_itx> everything else seems to work pretty good except the spindle control
[17:42:23] <JT-Shop> I assume each function is a small bit of HAL
[17:42:33] <JT-Shop> single button for on and off?
[17:42:34] <Tom_itx> yep
[17:42:49] <JT-Shop> using halui?
[17:42:53] <Tom_itx> it's using toggle2nist etc
[17:43:00] <Tom_itx> yes i believe
[17:43:11] <JT-Shop> does it get confused?
[17:43:20] <Tom_itx> it messes up axis
[17:43:32] <JT-Shop> yikes!
[17:43:40] <JT-Shop> how does it mess up Axis?
[17:43:46] <Tom_itx> stalls out
[17:43:53] <Tom_itx> takes like 2 min to recover
[17:43:59] <Tom_itx> sometimes
[17:44:03] <JT-Shop> that is an error then
[17:44:16] <Tom_itx> i need to figure out the exact code problem and resolve it
[17:45:10] <Tom_itx> i'll post the hal file
[17:45:12] <JT-Shop> halui.spindle.xxxx seems straight fwd at a glance
[17:45:18] <JT-Shop> ok
[17:45:37] <Tom_itx> at the time it seemed i had something else i wanted it to look for but i can't recall what it was now
[17:45:58] <Tom_itx> i think i used the basic spindle examples posted
[17:46:27] <JT-Shop> on the forum or in the manual?
[17:46:47] <Tom_itx> i don't recall
[17:49:57] <Tom_itx> http://tom-itx.dyndns.org:81/~webpage/cnc/configs/sherline/
[17:50:03] <Tom_itx> those are right off the machine
[17:50:08] <Tom_itx> my_jog is the one
[17:50:27] <Tom_itx> haven't cleaned em up yet either
[17:50:50] <JT-Shop> LOL I noticed
[17:51:00] <Tom_itx> been working on em :)
[17:51:22] <Tom_itx> spindle is at the bottom
[17:52:22] <JT-Shop> you have a toggle and toggle2nist mixed together in the spindle section
[17:53:42] <Tom_itx> i don't remember why i did that now but i think i had a reason
[17:53:48] <JT-Shop> and maybe that is correct....
[17:54:05] <Tom_itx> i wanted to not allow it if it was in auto mode
[17:54:11] <Tom_itx> and running
[17:54:19] <Tom_itx> but if it was paused then allow it
[17:54:27] <Tom_itx> something like that
[17:54:29] <JT-Shop> ok
[17:54:33] <JT-Shop> makes sense
[17:54:37] <Tom_itx> i need to sit down and re think the logic
[17:54:42] <Tom_itx> it's been a while.
[17:54:49] <Tom_itx> i do know it's not working as expected
[17:55:15] <Tom_itx> some of it could be the reverse logic required because i'm using the 7i43 gpio direct
[17:55:38] <Tom_itx> and had to add pullup / pull down to them
[18:29:09] <Tom_itx> the 'toggle' function is like an xor function right?
[18:29:24] <Tom_itx> with debounce for buttons
[18:39:33] <JT-Shop> don't start me making things up :)
[18:39:48] <Tom_itx> i'm gonna make a flow chart for it
[18:39:59] <Tom_itx> see if i can make out what i was doing
[18:42:41] <r00t4rd3d> lol
[18:43:19] <Tom_itx> i knew it wasn't quite done but i ran out of time then to finish my idea
[18:43:41] <JT-Shop> I hate when that happens cause I soon forget what I was doing
[18:43:46] <Tom_itx> yup
[18:44:01] <Tom_itx> i should flow chart the whole pendant
[18:44:29] <Tom_itx> i'm sure there's stuff in the file i don't need
[18:45:19] <JT-Shop> wasn't there something that did that?
[18:45:45] <Tom_itx> no idea
[18:46:19] <Tom_itx> i'm using something i found a long time ago
[18:46:24] <Tom_itx> rfflow
[18:46:34] <Tom_itx> not the greatest but...
[18:58:15] <JT-Shop> dang MIL tried to heat some chili on the stove and feed it to the cats...
[18:58:29] <Tom_itx> heh
[18:59:08] <JT-Shop> I keep the gas off outside and the microwave child lock on unless we are cooking
[19:14:43] <JT-Shop> say goodnight Gracie
[19:14:57] <Tom_itx> i'll post this chart if i get it done
[19:15:02] <JT-Shop> ok
[19:26:59] <LeelooMinai> For DIY people - you think I will beok if I use 0.5 inch plate for z-axis bed or 1 inch is more, e, common for medium size CNC?
[19:27:11] <LeelooMinai> 6061 plate that is*
[19:27:38] <eric_unterhausen> my beaglebone black is on a ups truck
[19:27:40] <LeelooMinai> By beds I mean the part that will be directly attached to y rails
[19:27:46] <eric_unterhausen> didn't expect that so soon
[19:28:57] <eric_unterhausen> wondering how easy it would be to interface it to a standard bob for steppers
[19:47:33] <GammaX-Shop> anyone have an IH cnc rf45 type mill?
[19:59:02] <L84Supper> LeelooMinai: CNC what? router? mill?
[19:59:34] <Jymmm> cnc hamster!
[19:59:36] <LeelooMinai> CNC-platform - it's supposed to be able to do light aluminum milling
[20:00:28] <Jymmm> aluminum foil
[20:00:31] <L84Supper> LeelooMinai: the more the merrier
[20:00:44] <LeelooMinai> Duh, not my wallet though:p
[20:02:05] <L84Supper> I understand that you might not be an engineer, but without any real numbers, mass, thickness, size, accuracy it's really difficult to have a meaningful discussion
[20:02:45] <L84Supper> look at similar machines and see what they used to achieve their results
[20:03:39] <LeelooMinai> I did - for DIY I see a lot of variation - I guess people use whatever they have or can get
[20:03:45] <L84Supper> but 0.5 inch 6061 sounds right to me for a cnc hamster to mill foil :)
[20:04:03] <L84Supper> yeah, and their results are all over the place
[20:04:23] <LeelooMinai> That's why I asked my question
[20:06:07] <L84Supper> what size and thickness aluminum will you be milling?
[20:06:45] <LeelooMinai> It will be mostly for hobby projects - so speed is not very important and parts will probably be smallish
[20:07:10] <LeelooMinai> But CNC will have movment of 30 by 30cm XY or so
[20:07:38] <LeelooMinai> amd 15cm Z axis movement
[20:08:10] <LeelooMinai> No welding - mostly 6061 parts and 3 or so steel angles
[20:09:07] <L84Supper> what are you going to use for a spindle?
[20:09:23] <LeelooMinai> http://i.imgur.com/laxfxfg.png <- I am kind of shrinking some material on the z-axis right now
[20:10:06] <LeelooMinai> L84Supper: I plan to use this for different things - so I guess I will be using different attachements - some for milling, some even may use lasers
[20:10:34] <LeelooMinai> I thought of either attaching small router or maybe using those deticated spindles, but they need costly inverters
[20:11:18] <LeelooMinai> I kind of left this for when the CNC frame is completed
[20:11:27] <LeelooMinai> To stage the whole build
[20:11:33] <L84Supper> http://www.ebay.com/itm/CNC-Router-Extruded-Aluminum-T-Slot-Table-Top-24-w-X-18-Long-/290727107064?pt=LH_DefaultDomain_0&hash=item43b0af99f8
[20:12:24] <LeelooMinai> What about it? It's just the xy bed, isn't it?
[20:13:16] <L84Supper> http://www.cncroutersource.com/cnc-router-table-top.html
[20:15:43] <L84Supper> http://www.cnczone.com/forums/diy_cnc_router_table_machines/
[20:16:01] <Tom_itx> ok anybody wanna take a stab at this?
[20:16:04] <Tom_itx> http://tom-itx.dyndns.org:81/~webpage/cnc/configs/sherline/Spindle.png
[20:16:26] <Tom_itx> near as i can tell that's how i have my remote spindle button wired
[20:17:41] <Tom_itx> looks like i may not need the or2 in there
[20:17:54] <Tom_itx> not sure what my reasoning was at the time
[20:18:29] <Tom_itx> i'm also missing an input there
[20:18:32] <Tom_itx> lemme see..
[20:18:57] <LeelooMinai> Tom_itx: I can tell you what tool I would use to do this with 100% vertainty
[20:19:05] <LeelooMinai> certainty
[20:19:14] <Tom_itx> yeah i think andy told me already :)
[20:19:22] <Tom_itx> i foret what it's called though
[20:19:46] <LeelooMinai> Well, it may be not the same, but: http://sontrak.com/
[20:19:48] <eric_unterhausen> what's with all the closed threads on cnczone?
[20:20:05] <LeelooMinai> You enter truth table and it will generate optimized logic for you
[20:20:27] <Tom_itx> oh nice.. no andy was showing me a halui component i should try
[20:20:30] <LeelooMinai> With minimal number and kinds of gates you will tell it to use
[20:20:41] <LeelooMinai> Simple to use
[20:21:06] <Tom_itx> at the time, i was trying to define all the buttons and probably got a bit confoosed with all the mixed logic
[20:21:24] <LeelooMinai> Yes, this takes all the hard work and uncertainty out of the process
[20:21:27] <Tom_itx> i figured if i sit down and make a flow chart it would simplify it
[20:21:34] <L84Supper> are't relays more reliable?
[20:21:38] <Tom_itx> i may give that a shot
[20:22:39] <LeelooMinai> L84Supper: More reliable than what?
[20:22:59] <L84Supper> silicon diodes
[20:23:21] <LeelooMinai> Diodes and relays do not really have nything in common
[20:23:58] <Jymmm> SSR vs Mechanical Relay
[20:24:49] <Jymmm> Ninja vs Pirate Rrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr
[20:24:54] <LeelooMinai> SSRS will be more reliable, but probably more expensive too. Mechanical relays will fails after some time due to contacts deteriorating
[20:27:33] <skunkworks_> eric_unterhausen: I think if you are not logged in - lots of threads look closed for some reason.
[20:31:09] <L84Supper> hamster relay
[20:31:54] <r00t4rd3d> http://www.hobbithouseinc.com/personal/woodpics/bois%20de%20rose.htm
[20:31:58] <r00t4rd3d> i want some of that
[20:32:17] <Tom_itx> ok, updated the png file
[20:32:34] <Tom_itx> what about that would cause axis to stall?
[20:33:45] <PetefromTn> hello all...
[20:33:53] <jdh> hellow walls.
[20:34:53] <PetefromTn> wazzup jd
[20:36:12] <L84Supper> I thought PN junctions made gates?
[20:37:08] <PetefromTn> Just got some bad news today LOL...
[20:37:22] <jdh> you're pregnant?
[20:37:32] <PetefromTn> wish it was that simple...
[20:37:32] <LeelooMinai> L84Supper: Gates are logi elements - they are not supposed to switch high currents/voltages like relays/ssrs
[20:37:56] <L84Supper> aren't high current gates just bigger?
[20:38:11] <LeelooMinai> No, gates are only used for logic signals - tiny ones
[20:38:28] <LeelooMinai> To deal with higher currents you would use power transistors
[20:38:43] <PetefromTn> my AC compressor in my house locked up and smoked the whole system....
[20:38:47] <L84Supper> yeah, with bigger gates
[20:39:16] <PetefromTn> yeah totally OT I know right...
[20:39:17] <LeelooMinai> L84Supper: I think you have some inprecise idea of what "gate" is:)
[20:39:34] <jdh> Pete: heh... sucks, I had to replace both of mine in april
[20:40:09] <jdh> I thought the downstairs one was dying so I went ahead and replaced it... the next week the upstairs one went.
[20:40:29] <PetefromTn> really that sucks donkey balls...
[20:40:38] <LeelooMinai> L84Supper: In EE gate is either logic element (composed of tiny transistors to perfor some logic operation) or gate of a BJT transistor (one of its "pins")
[20:40:53] <PetefromTn> Have you ever seen these new wall mounted mini split systems?
[20:40:59] <jdh> yeah, they were 21 years old though. Past due for dying
[20:41:11] <jdh> never heard of that
[20:41:40] <jdh> how does a wall mounted thing do a whole house?
[20:41:41] <PetefromTn> well thats not so bad then I guess...
[20:41:55] <PetefromTn> Well I just started looking at my options...
[20:42:24] <jdh> 1) whip out check book
[20:42:37] <PetefromTn> It appears that I would need to use two units. One for the upstairs and one for the downstairs. My home is a small cape cod style and it only around 1500 sq ft.
[20:43:09] <LeelooMinai> mosfet*, sorry:)
[20:43:27] <LeelooMinai> What is this channel about really?
[20:43:57] <jdh> I have two 2-ton heat pumps
[20:44:02] <LeelooMinai> I kind of lurk here, but from what I have seen the discussions are kind of all over the place
[20:44:07] <PetefromTn> my house currently has a piece of crap central unit and the thing has never really worked that well for heating and cooling the upstairs. I am beginning to wonder if doing two systems might actually be better than just the one...
[20:44:33] <PetefromTn> LeelooMinai: sorry about the OT stuff, just venting....
[20:44:44] <LeelooMinai> No, I don't mind, just wondering
[20:45:14] <LeelooMinai> Is it about software, cnc, using cncs with linux, or what? :)
[20:45:20] <jdh> well, I could have bought a real mill for what I paid :)
[20:45:47] <PetefromTn> LOL...yeah IMHO the entire AC industry is a bunch of crooks....
[20:46:11] <PetefromTn> Maybe I will install two systems and try to make linuxCNC control them...
[20:46:57] <jdh> the EPA regs force them to do most of the most egregiously stupid/expensive stuff.
[20:47:40] <jdh> I have a dive buddy that has a hvac company. I got my two at cost + paying his guys
[20:50:09] <PetefromTn> yeah that is what I have been finding... I have had five different guys work on my system over the past three years including the first jerk who completely lied to me about basically everything and screwed it up followed my the next few guys who tried to fix his bullshit and charged me hundreds of dollars each time...
[20:51:21] <jdh> how old is it
[20:51:49] <PetefromTn> like I said about three years old...
[20:52:07] <jdh> it was new 3 years ago?
[20:53:55] <PetefromTn> well no actually the guy told me the air handler was brand new but the condensor was refurbished so I got a good deal on it. Turns out the Condensor was just used NOT refurbished and the air handler was refurbished so the ten year warrantee he promised me it had is not honored by the manufacturer. As if that was bad enough the guy who installed it recently had a heart attack and died.
[20:55:49] <Tom_itx> after he saw what the other guy did?
[20:56:54] <jdh> only my upstairs air handler died. It would have only saved me about $700 to replace only it vs. the whole system
[20:57:16] <jdh> ever checked online prices for heat pumps?
[21:00:05] <jdh> 4-ton package unit for under $3k
[21:05:42] <PetefromTn> yeah I actually had a package unit in the house when we bought it about a decade ago...
[21:06:42] <PetefromTn> thinking about something like this...http://www.youtube.com/watch?v=-AQFT4QWBEo
[21:14:35] <jdh> for an entire house?
[21:14:57] <eric_unterhausen> I have thought about a mini-split
[21:15:08] <eric_unterhausen> but if you have central air, it might not make sense
[21:17:40] <PetefromTn> no as I said one for upstairs and one for downstairs...
[21:17:59] <jdh> still.. how will you circulate air
[21:18:18] <eric_unterhausen> not sure that there aren't more crooks in the mini-split business than there are in the central air business
[21:18:59] <PetefromTn> yeah but at least I can install it myself and then I am dealing with the manufacturer instead of some jackass who I can' t rely on...
[21:19:10] <jdh> I should have gotten one of those a/c only ones for my garage.
[21:19:18] <jdh> I got a 2 ton window unit instead
[21:21:30] <PetefromTn> Right now my house has a 2.5 ton smoked central heat and air system that has NEVER heater nor cooled the upstairs adequately. What I am at least considering is using two of these systems one for each floor. We recently had a failure of the current system last summer and for about a month we were without AC and it was HOT. I bought two cheap window mounted ones to use while they tried to fix the house unit. I was amazed at
[21:21:30] <PetefromTn> how that tiny window unit actually did quite a good job cooling the entire downstairs and the one upstairs cooled the upstair better than the house one ever did...
[21:22:18] <jdh> my upstairs gets hot even in the winter if it is sunny
[21:23:08] <jdh> 2.5T sounds too small. I have 2+2 and the upstairs struggles when it is 95F outside
[21:23:46] <PetefromTn> yeah mine too and I am pretty tired of it. Even when my household AC worked we often put the window unit in my bedroom upstairs to help it... 2.5 ton is what I need again the house is only 1500 sq ft
[21:24:55] <PetefromTn> I am thinking two 12500 BTU units would easily cool and heat my entire house leaving me with the ability to turn one off downstairs while we sleep to save energy..
[21:25:12] <jdh> still sounds small... especially if you have a south facing roof and perhaps inadequte ceiling insulation and attic fans
[21:27:54] <PetefromTn> my house has ridge vents AND turbine vents in the attic and it has blown in insulation which is pretty densely packed. We do have an asphalt roof so it gets pretty hot. I think what makes it the worst is that the upstairs only has windows on the sides and back the front is all roof with no dormers so there is a lot of roof area to heat....
[21:28:34] <eric_unterhausen> we got shingles that are supposed to help with attic heating, will be interesting to see
[21:28:45] <jdh> eric: how does that work?
[21:28:52] <jdh> (I need a new roof too)
[21:29:13] <eric_unterhausen> I don't recall, I was talked into it by my wife :)
[21:30:17] <r00t4rd3d> most likely it was just vented properly
[21:30:27] <r00t4rd3d> with ridge cap
[21:30:45] <eric_unterhausen> I looked into it back before we did it, and we are on the border of where it has benefits
[21:31:47] <r00t4rd3d> un heated attics should have gable vents or ridge cap on the peak
[21:32:28] <PetefromTn> mine has both...
[21:32:33] <r00t4rd3d> and the peak opened 2" on each side
[21:35:17] <r00t4rd3d> I hate roofing but I am good at it
[21:37:16] <r00t4rd3d> when people ask me to do it I normally give them a stupid number in hopes they go with someone else
[21:39:18] <r00t4rd3d> if you want it done right its gonna be 5K to reroof that dog house
[21:42:50] <r00t4rd3d> materials are extra
[21:48:24] <L84Supper> LeelooMinai: like small stuff and light milling :)
[21:48:49] <PetefromTn> this is kinda the arrangement I am thinking about. Two units one upstairs one downstairs. http://www.youtube.com/watch?v=P8nEYcjbaeQ
[21:59:28] <WalterN> r00t4rd3d: lol
[22:09:23] <L84Supper> WalterN: which galvo did you order?
[22:10:40] <WalterN> L84Supper: http://pryntech.com/?product=20kpps-laser-galvanometer-kit
[22:11:46] <WalterN> I might look into replacing the mirrors with some better ones too... but thats probably for sometime later
[22:13:41] <L84Supper> http://www.brandnew-china.cn/productgrouplist-218400239/Laser_Scanner.html he probably gets them here
[22:14:11] <WalterN> *shrug*
[22:14:38] <L84Supper> Reflectivity: >98%@45°incidence
[22:14:44] <WalterN> I will probably swing by ILX lightwave... there is a local facility here in town
[22:15:15] <WalterN> talk to them about scanning lens stuff... they might have them just not looking in the right places
[22:15:58] <WalterN> plus I'd like to check out their facilities (as a tour kind of thing)
[22:16:51] <L84Supper> we use some Newport automation components
[22:20:20] <L84Supper> https://www.youtube.com/watch?v=72Ig_Dk9pbA&feature=youtube_gdata_player
[22:21:56] <WalterN> 0.0003 degrees
[22:22:05] <WalterN> thats really good
[22:22:51] <gammax-laptop> oh snap, upgrading to ubuntu 13
[22:23:03] <L84Supper> 5.2 u-radians
[22:23:29] <WalterN> oh heh.. this is funny... http://www.wolframalpha.com/input/?i=Scootaloo%E2%80%90like+curve
[22:25:05] <L84Supper> bbl... have to test the scotch again
[22:26:17] <gammax-laptop> later ron burgandy
[22:38:09] <Tom_itx> LeelooMinai, how would i create a toggle or toggle2nist in Logic Friday?
[22:38:35] <Tom_itx> http://www.linuxcnc.org/docs/html/man/man9/toggle.9.html
[22:38:37] <Tom_itx> http://www.linuxcnc.org/docs/html/man/man9/toggle2nist.9.html
[22:39:04] <LeelooMinai> toggle, hmm, I think xor
[22:39:15] <Tom_itx> push on, push off
[22:39:29] <Tom_itx> sounds like that might be right
[22:40:26] <Tom_itx> you feed one of the xor inputs from the output?
[22:41:03] <LeelooMinai> I think you set one to high
[22:41:20] <LeelooMinai> e, wait
[22:41:36] <Tom_itx> it's more like a flip flop
[22:41:57] <LeelooMinai> RIght
[22:43:12] <LeelooMinai> http://en.wikipedia.org/wiki/Flip-flop_(electronics)
[22:43:17] <LeelooMinai> This is how it's done using gates
[22:43:59] <Tom_itx> single input though
[22:45:33] <LeelooMinai> I thought that all you need is map some binary inputs to binary outputs using truth table... not?
[22:46:10] <LeelooMinai> I mean, if you have a button just model it as 1/0 input
[22:46:22] <gammax-laptop> what drill bits (type) do you all use?
[22:46:49] <Tom_itx> i'll work on it tomorrow. out of time for this evening
[22:46:49] <LeelooMinai> gammax-laptop: I think one uses type depending on the tasl
[22:46:55] <LeelooMinai> task
[22:46:58] <Tom_itx> thanks
[22:47:15] <gammax-laptop> well im looking for a set... wanna pick one...
[22:47:46] <Tom_itx> i got the full alpha numeric fraction set
[22:47:56] <Tom_itx> 115? piece?
[22:48:01] <LeelooMinai> gammax-laptop: I think I would rate them from worse to best as: HSS, titanium oxide coated, and then cobalt
[22:48:17] <gammax-laptop> LeelooMinai, thanks!
[22:48:18] <LeelooMinai> Price kind of follows that order too:)
[22:48:44] <gammax-laptop> http://www.harborfreight.com/115-piece-titanium-nitride-coated-m2-high-speed-steel-drill-bit-set-1611.html 50 bucks!
[22:48:54] <Tom_itx> forget that
[22:48:57] <LeelooMinai> titanium oxide are nice, but you cannot resharpen them, cobalt you can
[22:49:13] <Tom_itx> gammax-laptop, you'd be lucky to drill wood with those
[22:49:21] <gammax-laptop> lol i know.
[22:49:27] <LeelooMinai> Hmm, nitride not oxide, right
[22:49:52] <gammax-laptop> im not gunna lie... ive put HF brand taps into my drill and threaded many of holes with no problems!
[22:50:03] <LeelooMinai> I bought nice cobalt bits from aliexpress
[22:50:26] <LeelooMinai> Much cheaper than from US or whatever, but you have to wait 3-4 weeks
[22:51:21] <gammax-laptop> LeelooMinai, you have a link?
[22:52:21] <LeelooMinai> http://www.aliexpress.com/item/Straight-Shank-Twist-Drill-Set-Stainless-Steel-Twist-Drill-Set-M35-cobalt-genuine-Jiangsu-Tiangong-19/632542017.html
[22:52:32] <LeelooMinai> This is just example - look for drill cobalt and m35
[22:52:56] <LeelooMinai> I just bought some iweird size indiovidual metric bits
[22:53:08] <LeelooMinai> FOr tapping - like 4.2mm:)
[22:53:15] <gammax-laptop> ok
[22:54:12] <LeelooMinai> I also think HSS have two kinds - the black ones are a bit harder
[22:55:04] <LeelooMinai> Not that I am a machinist, but I am building this CNC so I read a bit about drills
[22:55:07] <gammax-laptop> http://www.ebay.com/itm/New-115-Piece-Cobalt-Drill-Bit-Set-/280945701044?pt=LH_DefaultDomain_0&hash=item4169ab30b4
[22:55:51] <LeelooMinai> lol, that's a lot of drills
[22:56:50] <gammax-laptop> go big or go home!
[22:58:01] <archivist> I have a 115 set came from costco was not that expensive
[22:58:02] <LeelooMinai> Well, anyways - those cobalt ones are much better than any HSS set
[22:58:40] <LeelooMinai> YOu can drill satainless steel with them
[22:59:06] <LeelooMinai> Cheap HSS would just melt:)
[22:59:16] <gammax-laptop> archivist, are they cobalt/
[22:59:17] <gammax-laptop> ?
[22:59:37] <archivist> dont think so
[23:00:08] <archivist> but they do seem better than the average crap
[23:00:54] <gammax-laptop> awsome!
[23:02:49] <gammax-laptop> ANY of you use zep parts cleaners?
[23:15:02] <ssi> Hi1
[23:15:08] <ssi> s/1/!/
[23:38:09] <ssi> morning mhaberler :)
[23:39:15] <mhaberler> good morning - welcome to the zoo ;)
[23:39:21] <ssi> heheh
[23:41:07] <ssi> so what source repository are you guys working out of?
[23:42:48] <mhaberler> for the moment, mine: http://git.mah.priv.at/gitweb?p=emc2-dev.git;a=shortlog;h=refs/heads/arm335x-hal-pru-module
[23:43:06] <mhaberler> that'd be the branch to start from
[23:43:13] <mhaberler> until this is merged
[23:43:18] <ssi> ok cool
[23:43:50] <mhaberler> I thought about how to determine which pins are usable
[23:44:16] <mhaberler> it occurred to me that we might actually have to disable the gpio driver (the one in-kernel)
[23:45:23] <ssi> why's that?
[23:45:27] <mhaberler> probably the best route is to describe the problem on #beagle and the eewiki and ask for advice
[23:46:12] <mhaberler> well if you do an RT HAL driver like we're looking at, doing syscalls like file read/write in the RT thread is a no-no
[23:46:33] <mhaberler> which you would if you used the /dev entries for gpio pins
[23:47:12] <mhaberler> basically you cant do file I/O in an RT thread, which leaves mmap()ed I/O and direct writes
[23:47:21] <mhaberler> ugly but very fast
[23:48:02] <mhaberler> however, there's a certain chance that the kernel gpio driver and the HAL driver start fighting if both think they own the hw
[23:48:48] <ssi> I see
[23:48:55] <ds3> mhaberler: you can tell the kernel it is an input. then change it to output underneath it
[23:48:56] <mhaberler> it's the same scheme for all HAL drivers
[23:49:07] <ssi> question... is disabling the gpio driver going to interfere with the HDMI and MMC devices?
[23:49:52] <mhaberler> good question; I think it is about taking out the relevant pins from the set of pins managed by the driver, and leave the rest intact
[23:50:12] <ds3> ssi: you do not want to disable the driver entirely
[23:50:40] <mhaberler> sure, but you also need to assure you dont have them start arguing
[23:52:17] <mhaberler> pretty sure there's a mechanism to achieve that, because the pins used by HDMI and MMC are excluded just alike, so that's the mechanism to look for
[23:52:23] <ds3> gpios on the chip are simple enough that there are a limited number of arguments possible
[23:52:32] <mhaberler> I guess it is a user-defined dtb file
[23:52:42] <pcw_home> If you share GPIO between the Linux Driver and RT you may have to reserve a whole port worth of GPIO
[23:53:07] <mhaberler> meaning 8, or 32 ?
[23:53:09] <pcw_home> (assuming the Sitara does not have bit I/O)
[23:53:34] <ssi> mhaberler: I want to make sure I'm in the right branch... I see a hal_gpio.c, but it looks like all rpi specific. Is that correct?
[23:53:48] <mhaberler> yes, that's the case
[23:53:53] <pcw_home> the ports may be odd sizes
[23:53:58] <mhaberler> I think it has separate registers to write 1 to to set or clear the pins
[23:54:26] <mhaberler> the rpi driver skimps the issue ..
[23:55:13] <ssi> is there an SD image for rpi that works?
[23:55:31] <mhaberler> yes, see the wiki
[23:55:33] <mhaberler> hold on
[23:56:35] <mhaberler> http://wiki.linuxcnc.org/cgi-bin/wiki.pl?RaspbianXenomaiBuild
[23:56:56] <mhaberler> pcw_home: how would you grind that cat?
[23:57:24] <ds3> cat grinding?
[23:57:58] <mhaberler> pin reservation visavis a loaded gpio driver, and making sure the driver dont get too clever
[23:58:31] <eric_unterhausen> part of this discussion came up on bbrd email list today, Gerald kept referring everyone to the srm
[23:58:58] <mhaberler> srm.. the sitara TRM?
[23:59:11] <eric_unterhausen> no, bbb system reference manual
[23:59:17] <mhaberler> ah ok
[23:59:27] <mhaberler> good point, havent looked at that yet
[23:59:40] <eric_unterhausen> https://github.com/CircuitCo/-BeagleBone-Black-RevA4/blob/master/BeagleBone_Black_SRM_A4.pdf?raw=true
[23:59:43] <mhaberler> which bbrd mailing list are you referring to?