#linuxcnc | Logs for 2016-06-09

[00:04:11] <Wolf_> Duc: http://www.tequipment.net/Rigol/DS1054Z/Digital-Oscilloscopes/ +6% eevblog discount
[00:05:31] <CaptHindsight> only 50MHz vs 400Mhz on the Tek 460A
[00:06:00] <Wolf_> it will do almost 100 w/ keygen unlock
[00:07:06] <CaptHindsight> heh, same scope but crippled by firmware
[00:07:53] <Wolf_> pretty much a 1104 I think
[00:51:31] <tiwake> I would love one of those
[00:51:48] <tiwake> though, I don't think I would use more than 2-3 channels
[01:04:21] <CaptHindsight> I look for older Tek scopes on ebay that have the calibration test fail on the screen
[01:04:41] <CaptHindsight> they usually just need a self calibration and they are near good as new
[01:05:18] <CaptHindsight> they tend to be listed by non-tech sellers
[01:05:45] <CaptHindsight> sellers that buy guberment auctions and then resell online
[02:32:26] <Deejay> moin
[04:20:48] <MattyMatt> I'v got almost subliminal jitter on the hsync on my screen. 10 mhz heathkit would be nice right now just for tracking down the noise
[04:21:46] <MattyMatt> I've got a velleman digiscope but that's fucking awful
[04:22:21] <MattyMatt> wow 4hr conversation lag :)
[04:47:33] <XXCoder> heys
[05:27:11] <jthornton> hey
[05:30:38] <XXCoder> hey
[05:30:42] <XXCoder> for horses
[05:30:44] <XXCoder> ;)
[05:39:26] <jthornton> wrong hay
[05:39:40] <jthornton> hey I got my Spyder back yesterday
[05:41:59] <XXCoder> that 3 wheel bicycle?
[05:42:10] <XXCoder> one that manages to be more expensive than elio?
[05:42:21] <jthornton> spyderstore.com
[05:43:30] <XXCoder> yep that one
[05:46:08] <jthornton> elio still vapor ware
[05:46:28] <XXCoder> they are majking E1 now
[05:46:35] <XXCoder> engineering test vehicle
[05:46:49] <XXCoder> they are done protyping with P5
[05:59:48] <jthornton> measured the big dig yesterday and I'm a bit short on one side
[06:02:50] <_methods> measure twice dig thrice
[06:02:51] <_methods> lol
[06:03:41] <XXCoder> 10: measure 20: dig 30: goto 10:
[06:05:09] <jthornton> it's no biggie just a few feet short of what I wanted, got 60' want 70'
[06:23:11] <XXCoder> lol ok
[06:52:15] <jthornton> yea finally got an order... this is not going as well as expected for some reason
[06:52:43] <Tom_itx> how's avr going for ya?
[06:53:10] <jthornton> got it working with the oled, just need to figure out how to change the font
[06:53:48] <Tom_itx> plain avr? no arduino lib?
[06:54:17] <jthornton> http://gnipsel.com/images/avr/oled01.jpg
[06:54:36] <Tom_itx> nice one
[06:54:44] <Tom_itx> that looks vaguely familiar too
[06:55:05] <jthornton> it should it is a copy of yours on the left side
[06:56:42] <Tom_itx> you may need a font lib to change that
[06:56:50] <Tom_itx> or build a font set
[06:57:20] <Tom_itx> http://tom-itx.no-ip.biz:81/~webpage/avr/font/
[06:57:25] <Tom_itx> similar
[06:57:38] <jthornton> http://paste.ubuntu.com/17141516/
[06:57:46] <jthornton> thats what I have now
[06:58:16] <Tom_itx> you could look at those, i can't remember what they were for now
[06:59:14] <jthornton> looks kinda like the one I have so I'll try them out, thanks
[06:59:37] <Tom_itx> i'm sure you can dress em up and make em work
[07:00:21] <Tom_itx> and if you get short on space, just load the letters you need :D
[07:01:22] <jthornton> it's a 328p chip so lots of room
[07:13:46] <jthornton> do you have the .c files for the fonts?
[07:15:28] <Tom_itx> that was all i used
[07:17:15] <Tom_itx> iirc that was for a moto 68332
[07:21:08] <Tom_itx> http://tom-itx.no-ip.biz:81/~webpage/old_misc_files/image006.gif
[07:21:16] <Tom_itx> and that display that you can't see very well
[07:21:26] <Tom_itx> 128 x 128 graphic
[07:23:34] <Tom_itx> http://www.dafont.com/bitmap.php?page=1
[07:23:42] <Tom_itx> maybe that's a better choice for the avr
[07:25:58] <jthornton> thanks
[07:26:09] <Tom_itx> i dunno about those
[07:26:35] <Tom_itx> http://www.avrfreaks.net/forum/how-read-and-interpret-truetype-font-files?page=all
[07:26:38] <Tom_itx> that might help
[07:27:10] <Frank_10> Hello!!
[07:27:18] <Frank_10> 9 am here
[07:28:31] <Tom_itx> http://www.pocketmt.com/
[07:28:34] <Tom_itx> one more
[07:29:40] <_methods> ah cool
[07:31:31] <_methods> jthornton: what are you doing with the lcd?
[07:31:38] <_methods> just learning or you have a project lined up?
[07:31:57] <jthornton> an oled and yes I have a project for it
[07:33:18] <_methods> what you making with it?
[07:34:09] <jthornton> a display for plc error messages
[07:34:28] <_methods> ah cool
[07:34:30] <jthornton> bcd inputs to display different messages
[07:34:46] <_methods> forgot i think you mentioned that before
[07:34:59] <jthornton> if the plc has 3 spare outputs then I can display up to 7 messages
[07:35:35] <Tom_itx> "Nap Time"
[07:35:39] <Tom_itx> "Lunch Time"
[07:35:41] <Tom_itx> etc
[07:35:42] <Tom_itx> :D
[07:36:03] <archivist> or one output with a serial signal, 256 messages
[07:36:20] <archivist> beer time, hammer time
[07:46:40] <_methods> hahaha
[08:48:05] <Polymorphism> ordered the igus cable last night (this was very painful)
[08:48:13] <Polymorphism> ordered the ferrules and crimper
[08:48:25] <Polymorphism> have all electronics and connectors ballscrews and rails in the mail
[08:48:46] <Polymorphism> ordered some blank FR4 copper clad and some v bits, pcb drills, and also some 1/8" 2 flute HSS 10 pack for routing aluminum
[08:48:57] <Polymorphism> did I miss anything?
[08:49:05] <Polymorphism> and any other inexpensive starter endmill I will want
[08:49:19] <Polymorphism> wasn't sure about for facing a spoilboard, etc
[09:16:04] <enleth> Polymorphism: take care to shield the machine from dust when milling FR4, the glass dust is abrasive and eats away bearing surfaces
[09:17:23] <tjtr33> i just tried to make a rip on a new install.
[09:18:05] <tjtr33> got problems (i think).
[09:18:41] <tjtr33> the suggested "apt-get build-dep linuxcnc" ended with "update-intraramfs: Generating /boot/initrd.img-3.4-9-rtai-686-pae E: intel-microcode: unsupported kernel version!"
[09:18:58] <tjtr33> my scrollback buffer doesnt go back to the beginning.
[09:19:01] <tjtr33> since initrd.img is munged, how should i proceed?
[09:19:29] <tjtr33> i'm thinking i cant reboot
[09:21:30] <enleth> Polymorphism: you might want to use something like a baking tray to contain the dust, and vacuum it out while milling
[09:34:18] <CaptHindsight> hey tjtr33!
[09:34:28] <tjtr33> heeeelllllpppp!!!
[09:34:57] <tjtr33> i'm backing it up now then considering reinstall
[09:35:48] <CaptHindsight> sounds good, the guy that knows how to fix the initial randisk img in grub is out right now
[09:36:00] <tjtr33> heh
[09:36:02] <CaptHindsight> he ran into the same problem yesterday
[09:36:35] <tjtr33> i began to look at that ( repair initrd ) james caan sez 'fehgetaboudit'
[09:37:03] <CaptHindsight> yeah takes a class 1 guru
[09:37:17] <CaptHindsight> guru/wizard since the docs are terrible
[09:37:58] <CaptHindsight> how the weather there?
[09:38:16] <CaptHindsight> I need an excuse to visit :)
[09:38:29] <tjtr33> hot as usual, into the rainy season now
[09:38:55] <tiwake> where is there?
[09:38:59] <tjtr33> local hackerspace has a couple of your liquid plastic projector machines
[09:39:05] <CaptHindsight> I'm usually in Taipei last week
[09:39:10] <tjtr33> chiangmai thailand
[09:39:16] <tiwake> oOo
[09:39:24] <tiwake> exotic
[09:39:50] <tjtr33> ah, taichung asked for some help then they shut up. shame i could use some income
[09:40:32] <tjtr33> exotic? this is cheapo land! here due to us economy
[09:41:02] <_methods> eat some roti for me
[09:41:19] <tjtr33> capn i got 3 rc servos and am whacking up a delta machine for S&H
[09:41:46] <tiwake> _methods: sup?
[09:41:52] <_methods> yo
[09:42:06] <_methods> nothing much, another day closer to friday
[09:42:13] <tiwake> heh
[09:42:27] <_methods> tryin to get tjtr33 to eat some roti for me
[09:42:29] <tiwake> might be replacing my two rear axles in my mustang
[09:42:50] <tiwake> got the replacements in yesterday
[09:43:01] <CaptHindsight> tjtr33: I can send you resins to peddle
[09:43:39] <CaptHindsight> how many 200Kg drums per elephant? One on each side?
[09:43:46] <_methods> you mean moped
[09:43:57] <tjtr33> i got a projector, and the old lemon curry infos. maybe i try one.
[09:44:48] <CaptHindsight> tjtr33: make it top down projection onto the top of the vat
[09:45:32] <CaptHindsight> you will probably need to add a thin spacer 1-3mm between the lens and the mount to get s a shorter focus
[09:46:24] <tjtr33> clever, thx for the tip, i can use shim stock to get it right. but how do i tell 'right'?
[09:46:56] <CaptHindsight> some lenses have a setscrew or some other hard stop that only lets you twist the zoom so far, removing this lets you get a short focus
[09:47:59] <tjtr33> heh still backing up. the video with ray charles driving the car in the desert just went by.
[09:48:06] <CaptHindsight> tjtr33: some shims are a 2-3mm nut or a few washers on the mounting screws
[09:48:34] <CaptHindsight> take the lens off start it up, hold the lens by hand and see how much space you need
[09:49:40] <tjtr33> thx i get the idea but what do i look for a crisp image on the stage?
[09:49:58] <CaptHindsight> _methods: I think they bridge 2 scooters to carry 200Kg drums
[09:50:02] <Jymmm> tjtr33: deep fry it till crispy!
[09:50:14] <_methods> yeah
[09:50:17] <tjtr33> yo jymmm
[09:50:25] <_methods> i've seen some pretty crazy moped situations over there
[09:51:28] <tjtr33> they use these 'mules' here too, like an overgrown rototiller hooked up to a cart. driver sits on front of cart, motor pulls it along.
[09:52:00] <tjtr33> tapoketa poketa poketa ( walter mitty )
[09:53:41] <CaptHindsight> tjtr33: how long is the train ride down to Bankok?
[09:54:17] <tjtr33> its overnight. i came up leaving at 10pm and arrived near noon next day in a sleeper.
[09:54:18] <Jymmm> CaptHindsight: 50¢ or a lifetime, depending on the ride ;)
[09:54:53] <CaptHindsight> only an hour flight
[09:55:04] <tjtr33> you're welcome to stay here
[09:55:13] <_methods> i don't think you get the full effect flying into bangkok
[09:55:26] <tjtr33> yah, i like the cheap methods
[09:55:27] <_methods> riding the train in lets the full insanity of it sink in
[09:55:44] <Jymmm> _methods: short ride for you
[09:55:55] <_methods> short bus
[09:55:58] <CaptHindsight> tjtr33: might not leave if I do :)
[09:55:58] <Jymmm> VERY short ride!
[09:56:31] <Jymmm> _methods: Not short bus, just a VERY short ride to the loony farm
[09:56:37] <_methods> heheh
[09:56:46] <_methods> they let us out every once in awhile
[09:56:51] <CaptHindsight> especially with all those walls going up next year :)
[09:56:54] <_methods> i was in florida the other day
[09:56:57] <_methods> in the dollar store
[09:57:10] <_methods> they got all mad when i was draggin some little girl around
[09:57:17] <Jymmm> CaptHindsight: walls?
[09:57:30] <tjtr33> is 'walls
[09:57:38] <tjtr33> a trump reference?
[09:57:46] <_methods> you got it
[09:57:53] <CaptHindsight> Jymmm: to keep out all the mexican, muslims, intellectuals, sane people etc
[09:58:23] <Jymmm> CaptHindsight: Where, usa?
[09:58:26] <tjtr33> i hates them mexican muslim intellectuals, i do
[09:58:45] <CaptHindsight> all trouble makers
[09:58:57] <Jymmm> keep em out, or in?
[09:59:12] <CaptHindsight> keep in all the gun cleaners, dark skin haters and shallow thinkers
[09:59:43] <Jymmm> I say just remove all the warning labels and let enm have at it!
[09:59:49] <Jymmm> em*
[10:00:11] <tjtr33> back to backin up. gnite guys
[10:00:42] <CaptHindsight> _methods: draggin?
[10:00:48] <_methods> ?
[10:00:55] <_methods> oh
[10:01:00] <CaptHindsight> the girl
[10:01:05] <_methods> the lunatic that tried to abduct that girl lol
[10:01:13] <_methods> or whatever he was doing
[10:01:30] <_methods> it looked more like he was giving her a wedgie sleigh ride
[10:06:05] <CaptHindsight> oooh santa!
[10:15:08] <CaptHindsight> time to close your ymail accounts, if you haven't already
[10:15:27] <CaptHindsight> Yahoo is selling off their patent portfolio
[10:15:39] <pink_vampire> probe, trace, cut, http://imgur.com/gallery/rRrbeaW
[10:16:00] <CaptHindsight> and Verizon has offered to buy their internet business
[10:16:39] <Jymmm> CaptHindsight: link?
[10:16:57] <CaptHindsight> https://www.theguardian.com/technology/2016/jun/07/verizon-yahoo-bid
[10:17:00] <ngilson> What is the preferred url to use to share a file with you guys?
[10:17:22] <CaptHindsight> http://arstechnica.com/tech-policy/2016/06/yahoo-is-unloading-3000-patents-and-it-will-be-a-fire-sale/
[10:17:39] <CaptHindsight> ngilson: a binary or text?
[10:17:45] <CaptHindsight> image?
[10:17:55] <ngilson> text
[10:18:10] <archivist> a pastebin
[10:22:14] <__rob> if clamping a bit of 30cm tool steel in an er collet
[10:22:24] <__rob> would you expect the tip to have significant runout
[10:22:50] <__rob> wanted to measure the Z perpendicularity
[10:23:10] <__rob> but over 20cm even the end is like +- 10 thousands
[10:23:12] <Jymmm> ngilson: http://codepad.org/
[10:24:39] <archivist> __rob, depends on the quality of the collet as well as the spindle and how clean, how tight
[10:26:08] <ngilson> are you using and oversized collet larger then tool shank diameter?
[10:26:48] <gregcnc> runout doesn't matter, use a dial indicator and look for the mean
[10:27:42] <gregcnc> unless you're checking the column
[10:28:37] <ngilson> cutter comp?
[10:29:43] <CaptHindsight> what if the table and the column are not square?
[10:31:00] <CaptHindsight> what are you using as reference?
[10:31:14] <gregcnc> cylinder square on the table, I check my build using a square, by checking against the square from both sides
[10:32:34] <CaptHindsight> I think __rob has a Tormach
[10:33:19] <CaptHindsight> __rob: you were having issues with it being square weren't you, did you ever solve that?
[10:34:00] <gregcnc> can't Tormach be shimmed?
[10:37:54] <gregcnc> http://www.cnczone.com/forums/vertical-mill-lathe-project-log/201298-tormach-engineering-software-forum-5.html#post1400446
[11:14:54] <CaptHindsight> gregcnc: looks like lots of metal with holes in it and a watch with something poking out the sides
[11:19:01] <archivist> there should be a web pages or 11 to show the steps to measure up a machine
[11:20:39] <archivist> stuff like http://www.collection.archivist.info/archive/DJC/BK/BK3151/pg0048.jpg
[11:26:48] <CaptHindsight> http://americanmachinist.com/qc-and-inspection/machine-tool-calibration-standards-and-methods only with pictures and video
[11:28:43] <CaptHindsight> http://www.shapeoko.com/wiki/index.php/Calibration_and_Squaring_the_Machine god info and funny that its from a wiki about a router made from twisty bendy materials
[11:28:50] <CaptHindsight> god/good
[11:35:19] <SpeedEvil> http://www.bidspotter.co.uk/en-gb/auction-catalogues/ryncor/catalogue-id-ryncor10001/lot-d7461bad-a6e4-4f3a-8a38-a5f600826698 - for those looking for rails for their larger CNC
[11:52:44] <__rob> nglison ,yea, but I've tried a few
[11:52:53] <__rob> CaptHindsight, not really
[11:52:58] <__rob> having another crack at it
[11:53:08] <__rob> its been ok, just been having to work around the problems
[11:53:30] <__rob> like facing in Y stepover in x to get it flat
[11:53:53] <__rob> I want to solve it now, but checking the z perpendicularity with something in the spindle is causing me a headache
[11:53:57] <__rob> can't get anything in it square
[11:57:02] <archivist> rotate 180 take the average
[12:09:05] <__rob> yea, doing that
[12:09:40] <__rob> but wondering if that kind of runout looks acceptable over that length
[12:11:44] <archivist> it is one of the specs in http://www.collection.archivist.info/archive/DJC/BK/BK3151/pg0048.jpg
[12:12:12] <archivist> you may have a spec from tormach
[12:15:05] <archivist> I am just fixing some scans from that book
[12:16:36] <maxcnc> hi
[12:16:49] <JT-Shop> anyone know of any 50a dc servo drives that work with LinuxCNC?
[12:17:56] <__rob> archivist, I do
[12:18:06] <gregcnc> R8->TTS->ER at 30cm .01" maybe be within all the tolerances
[12:18:28] <archivist> tolerances add ...grrrr
[12:18:36] <__rob> 0.01/1500mm 0.015/150mm apparently measured
[12:18:48] <__rob> front to back and side to side respectivelyu
[12:18:54] <maxcnc> thats far good fora mill
[12:19:20] <__rob> "perpendicularity of the axis of revolution to the surface of the working table"
[12:20:00] <maxcnc> clamp a part hit it with a hammer far end of X and try again
[12:22:31] <__rob> https://goo.gl/photos/1eq84f5xEDK8DupA7
[12:22:38] <__rob> thats a 12mm bit of tool steel in it
[12:23:02] <archivist> cannot see anything on google images
[12:23:14] <__rob> ohh yea, its a video tho
[12:24:18] <Loetmichel> ouch
[12:24:27] <Loetmichel> that looks like a LOT of runout
[12:25:00] <__rob> so +-5 thousandths (10 range)
[12:25:14] <Sync> hm, are you sure that the rod is straight?
[12:25:25] <__rob> https://goo.gl/photos/5yKqe4F2dzrqdkaR7
[12:25:28] <__rob> with a dial indicator
[12:25:47] <__rob> Sync, tried a few different rods, few different collets, TTS holders and clamping the rod further up and lower down
[12:26:06] <Sync> measure the runout in the spindle taper
[12:26:11] <archivist> is it tight, chinese collets are not that good
[12:26:54] <archivist> my cheap er stuff is not that good either
[12:27:09] <maxcnc> but it works on that price
[12:27:20] <gregcnc> depends on what you call works
[12:27:27] <__rob> https://snag.gy/LE8c0Q.jpg
[12:27:29] <__rob> for archivist :)
[12:27:49] <__rob> well what I am trying to solve is my facing in X
[12:27:52] <__rob> its horrible
[12:27:57] <__rob> feels like waves
[12:28:02] <__rob> perfect in Y
[12:28:21] <Sync> then measure squarenes in x
[12:28:22] <Sync> +s
[12:28:56] <__rob> https://goo.gl/photos/oFDRGkC3hok35LQq9
[12:29:05] <__rob> this is when faced in Y
[12:29:40] <__rob> https://goo.gl/photos/NdMaDLLZ9tJyTBN96
[12:29:46] <__rob> this is faced in X
[12:29:56] <__rob> (mm dial indictor there)
[12:30:17] <Sync> yeah your spindle is not square in Y
[12:30:31] <Sync> measure that, and shim the column
[12:31:00] <__rob> yup, so best way to dial that out, bearing in mind I cant get a bar in the spindle to be straight is just to measure multiple times ?
[12:31:04] <__rob> factor out the runout ?
[12:31:14] <Sync> the runout is not important for this measurement
[12:31:15] <__rob> like find the min/max
[12:31:27] <__rob> well it surely means the bar is at an angle, with respect to the spindle
[12:31:44] <Sync> no
[12:31:44] <__rob> so when I move the head up and down ,I will see movement in +-Y
[12:31:50] <__rob> aswell as Z
[12:32:01] <archivist> you can remove that error by rotating 180
[12:32:06] <Sync> it could mean two things
[12:32:17] <Sync> your spindle axis not being parallel to the Z axis
[12:32:21] <Sync> check that with a square
[12:32:40] <gregcnc> there are two issues to at hand colum squareness and spindle squareness(tram)
[12:32:40] <Sync> or your z axis not square to the table
[12:32:45] <archivist> use a dti mounted in the spindle
[12:33:09] <__rob> I dont see how 180 degree spin fixes that error archivist
[12:33:24] <archivist> you average out
[12:33:32] <__rob> right, so measure twice
[12:33:36] <archivist> yes
[12:33:39] <__rob> ok
[12:33:43] <Sync> your spindle runout is completely irrelevant for those measurements
[12:33:57] <Sync> aslong as your spindle is not grossly wobbling about
[12:34:08] <Sync> (which it is not)
[12:34:08] <__rob> sync, well its not runout as in non concentricity, its non parallelness
[12:34:28] <Sync> yes, but you can compensate for that with the tramming
[12:34:34] <__rob> cos its less at the top than the bottom
[12:34:41] <Sync> as long as the planes are parallel it doesn't matter
[12:34:57] <Sync> then most probably your z axis is at an angle
[12:35:11] <archivist> the axis being perpendicular to table can be seen with dti mounted on the rod in the spindle and touching the table
[12:35:40] <archivist> then rotate 180
[12:37:17] <archivist> see fig 5
[12:37:19] <gregcnc> http://neme-s.org/Rollie's_Dad's_Method.pdf skip to the end at why this works
[12:39:40] <archivist> please to the fig 4 test to check table flatness first before you screw up the spindle settings
[12:48:11] <__rob> ok, so its leaning according to the tram tool
[12:48:32] <__rob> -0.001 left to right
[12:48:45] <__rob> and +0.002 front to back
[12:48:57] <__rob> what gets me about that though, the facing pass is perfect one way to the touch
[12:49:00] <__rob> and really bad the other
[12:49:05] <__rob> with similar levels of error
[12:50:26] <archivist> there are a number of possible problems
[12:51:20] <archivist> machine spring is one not mentioned in usual static tests but do show up as machining errors
[12:52:21] <archivist> leave dti on table, push on column while watching tram tool
[12:54:47] <archivist> think how machining forces can do the same and note they could sometimes cancel out a static error or make it look worse
[13:01:48] <__rob> archvisit, yea, it moves around 0.001 pushing on the head with not that much force
[13:02:04] <__rob> seems to move both front and back evenly though
[13:02:50] <archivist> try side to side and separately on the head to see if the slides/gibs are loose
[13:02:57] <maxcnc> im off Gn8 from a nice sunny germany today
[13:03:08] <__rob> i've redone the Z jib yesterday
[13:03:19] <__rob> shaved off 0.0005 in backlash
[13:03:28] <__rob> but its tight
[13:04:09] <__rob> did slightly less slack than the manual suggests
[13:04:39] <__rob> so column shim then
[13:04:46] <__rob> to get that face pass flat
[13:06:19] <archivist> what we dont know, is it column to base or spindle axis to z axis
[13:07:41] <__rob> well dial indicator in the Z and running up a 246 block is 0.001 over about 5.5"
[13:09:03] <archivist> that implies spindle to z axis error, which is re working the Z gibs to get it parallel
[13:13:14] <archivist> what is your measured wavyness of a machined flat surface anyway
[13:13:36] <__rob> bit under 0.001
[13:14:04] <__rob> looks like |\ |\ |\ on the indicator, front to back
[13:16:15] <archivist> what spacing were the passes
[13:16:35] <__rob> 30mm stepover
[13:17:12] <archivist> you say front to back, this being Y not X ?
[13:17:25] <__rob> yes, mill ran along X, stepped over in Y
[13:17:48] <__rob> so the front of the pass is lower than the back
[13:20:15] <archivist> rod in spindle, dti on table, move to top of rod, rotate find peak, record, rotate 180 record, repeat at other end on the same 0/180 as top and then take averages
[13:20:50] <__rob> hmm, sorry its less than I said
[13:21:00] <__rob> that indicator is mm, so around 0.0003"
[13:21:07] <__rob> actually very little, I can feel it tho
[13:21:10] <__rob> https://snag.gy/a3VYvF.jpg
[13:21:24] <archivist> not a lot are you chasing a gnats cock
[13:21:34] <__rob> well, maybe
[13:21:44] <archivist> cannot see snaggy either, grey screen
[13:21:48] <__rob> its just that its smooth the other way
[13:22:03] <archivist> nothing is perfect
[13:22:03] <__rob> https://i.snag.gy/a3VYvF.jpg
[13:22:07] <__rob> try that
[13:22:10] <__rob> direct image link
[13:22:22] <__rob> thats not the full extent, its just over 0.01
[13:23:16] <__rob> whats frustrating is if I do the trig for it all, nothing seems to match up properly
[13:23:28] <__rob> measurements vs facemilling etc..
[13:23:56] <archivist> small errors are hard to measure
[13:24:27] <__rob> for the most part, the parts are not that deep
[13:24:44] <__rob> so I'd rather have a flatter face pass
[13:25:04] <__rob> even if it means a fraction more error in z travel
[13:25:50] <archivist> if it is better in the other direction then do it all in y passes rather then x passes
[13:26:06] <__rob> I do, just limits the maximum width of the part
[13:26:31] <__rob> only by a the radius of the cutter, but thats still 40 mm
[13:26:37] <archivist> er wot
[13:26:44] <__rob> well, if the front edge is lower
[13:26:52] <__rob> then I need that to come in right past the edge of the part
[13:27:08] <__rob> if I just plunge down, the leading edge will always be my error higher
[13:27:36] <__rob> so with the face mill I try to have it plunge to height outside the stock, then travel front to back
[13:27:38] <archivist> I polish on wet and dry after so I dont care
[13:27:57] <__rob> yea, guess I could just do that
[13:28:10] <__rob> buy a bit of granite or something flat
[13:28:27] <archivist> float glass
[13:29:16] <__rob> do you clamp down your wet and dry to stop it curling up ?
[13:29:20] <__rob> taking of the edges
[13:30:04] <archivist> I never have because I change the sheets to finer as I polish
[13:30:47] <archivist> ex boss did, he had a large glass sheet with his on
[13:33:10] <archivist> but some parts have to be polished on the machine before parting off
[13:36:09] <__rob> nice, didn't think float glass would be that flat
[13:36:27] <__rob> never really considered it, I'll have a look around, gotta be cheaper then a granite flat
[13:37:44] <archivist> most/all new glass is float glass and is gravity flat due to the way it is made
[13:38:43] <archivist> middle gear was done that way http://www.collection.archivist.info/archive/DJCPD/PD/2008/2008_10_07_Gear_cutting_examples/p1010063.jpg
[13:39:08] <archivist> spokes are filed and burnished
[14:26:19] <ngilson> im using pycam to output gcode for linux cnc, any suggestions on doing pocketing successfully? How to's? Im loading in a 2d file drawn up from autocad. Once loaded into pycam i cant for the life of me figure out how to extrude the 2d into a 3d model and select areas to be machined as pockets, facing or perimeter cuts
[14:55:49] <tiwake> _methods: hi from my cellphone
[15:00:01] <pink_vampire> hi tiwake
[15:01:11] <tiwake> :3
[15:31:54] <XXCoder> heys
[15:32:16] <XXCoder> someone tell andy when he comes in that yes, I saw his video and its nice
[16:10:29] <XXCoder> andypugh: hey
[16:10:35] <XXCoder> finally catch you here lol
[16:10:40] <andypugh> Hai
[16:10:46] <XXCoder> yeah its nice video, decent captions (couple glitches)
[16:11:14] <andypugh> You noticed the one aimed right at you? :-)
[16:11:39] <XXCoder> think so, getting ready to go though so not enough time to watch again
[16:12:25] <andypugh> It was just an “As you will hear later….. But not if you actually need these captions” :-)
[16:12:39] <XXCoder> ahh lol ok
[16:12:43] <LeelooMinai> Any tips for some kind of mist system for small CNC?
[16:12:59] <XXCoder> LeelooMinai: yeah theres few decent mist systems
[16:13:05] <XXCoder> forgot name though
[16:13:54] <LeelooMinai> I am kind of brainstorming now. Looked up ali and they have those cheap things that could be part of it: http://www.aliexpress.com/item/Excellent-Quality-Mist-Coolant-Lubrication-Spray-System-For-8mm-Air-Pipe-CNC-Lathe-Milling-Drill-VEC77/32632575773.html
[16:14:14] <LeelooMinai> However, I want electronically controlled valve.
[16:14:24] <Sync> the problem with the misters is that you produce aerosols which are bad
[16:14:50] <LeelooMinai> Also, do you think this would work as air source? http://www.canadiantire.ca/en/pdp/mastercraft-air-brush-kit-2991975p.html
[16:15:04] <andypugh> A chap I vaguely know made this one: https://www.youtube.com/watch?v=2eFEjV0veTE
[16:16:06] <XXCoder> isnt one of those tiny compressors loud
[16:16:12] <gregcnc> Those use more air than you think
[16:16:35] <andypugh> Go to 5:45 to see his over-elaborate controller for the lube system.
[16:16:42] <LeelooMinai> XXCoder: In comments for this one they praised it for being quiet
[16:17:14] <XXCoder> interesting. ok. I'm also looking for a way to spray air on my cnc. no method right now at home lol
[16:17:20] <LeelooMinai> andypugh: lol
[16:19:41] <LeelooMinai> Oops
[16:19:43] <LeelooMinai> I was just going to use plain air, but read that for aluminum some kind of liquid is required.
[16:19:51] <XXCoder> controls is fine, but lcd screen on right is fancy lol
[16:20:03] <LeelooMinai> Makes sense, as aluminium is kind of, e, grabby
[16:20:09] <XXCoder> LeelooMinai: wd40
[16:20:16] <XXCoder> not kidding
[16:20:25] <LeelooMinai> XXCoder: It has to be remote:)
[16:20:47] <XXCoder> get a air pressure sprayer thingy, buy liquid wd40 (not air can one)
[16:20:59] <XXCoder> you can buy gallons of wd40 in liquid form
[16:21:57] <LeelooMinai> Yes, I have WD40 and I use it for many things - learned to like it from my biking days:)
[16:22:23] <LeelooMinai> But I guess I will need to buy some selenoid valve from ali.
[16:22:37] <XXCoder> yeah, though sprayer can form is very common, I used wd40 liquid when running jobs at old job
[16:22:41] <XXCoder> works amazing well
[16:22:43] <Tom_itx> washing machine valves
[16:22:48] <Wolf_> I love this set up http://i.imgur.com/6h18AtY.jpg
[16:24:53] <XXCoder> Wolf_: thats what I used at old job
[16:24:58] <Wolf_> http://i.imgur.com/au8jYKa.jpg
[16:25:07] <XXCoder> works decent, though sometimes valve is bit sensive
[16:25:10] <LeelooMinai> Maybe somethibng like this: http://www.aliexpress.com/item/Brand-New-Lowest-Price-1-4-DC-12V-3-Way-2-Positions-Pneumatic-Electric-Solenoid-Valve/32597019349.html
[16:25:16] <Wolf_> thats a diy setup :) $16 filter housing
[16:25:36] <XXCoder> really? it looks same
[16:25:45] <XXCoder> hmm a little different anyway
[16:25:59] <Deejay> gn8
[16:25:59] <XXCoder> but style is same, big clear container that screws up
[16:26:09] <Wolf_> top brass fitting is liquid only port, other is air passthough
[16:26:37] <XXCoder> you know what name normal commerical version is called?
[16:26:52] <Wolf_> I forget
[16:27:03] <XXCoder> bah lol
[16:27:23] <Wolf_> just google cnc misting I think
[16:27:27] <XXCoder> well time to go. later all
[16:27:59] <Wolf_> http://www.fogbuster.com/
[16:30:37] <LeelooMinai> lol... I was going to make a joke that probably something like "Air Buster", but thought "nah, probably not"
[16:31:50] <Wolf_> lol, there is a few vids of diy setups like mine, I just figured out how to make the tank super simple
[16:33:12] <Wolf_> all I did was drill/tap the blank spot on the filter housing where the pressure relief valve goes, hammered a steel tube in the the brass fitting and screwed it in
[16:33:39] <Wolf_> input side has a cheap regulator and 12v valve on it
[16:35:34] <LeelooMinai> Hmm...
[16:36:21] <LeelooMinai> So the idea of that thing is what: use less pressure?
[16:36:32] <Wolf_> https://www.youtube.com/watch?v=G3wUoPdK_ms
[16:36:43] <Wolf_> sorta explained in this vid
[16:37:05] <Wolf_> low pressure, and its a droplet spray vs mist
[16:37:26] <LeelooMinai> Ok, will watch after dinner, thx
[16:39:43] <Wolf_> you can skip to about 9:20 on the vid
[17:52:39] <Frank_10> hi
[17:53:45] <Duc_mobile> []
[17:53:50] <Duc_mobile> zlog
[18:06:59] <arauchfuss> weird opening and then closing a python script with AXIS will throw errors if the python script does not generate code.
[18:07:05] <arauchfuss> kinda annoying
[18:26:50] <Polymorphism> enleth, ty for the tips. I was concerned about that dust actually and was just thinking about how to deal with it
[18:27:39] <mase-tech> Hi
[18:27:42] <mase-tech> Poly
[18:27:47] <Polymorphism> ballscrews and rails arrived today, just waiting for spindle now. Starting the build tomorrow
[18:27:53] <Polymorphism> hi mase-tech
[18:27:54] <mase-tech> is your cnc present ?
[18:28:01] <Polymorphism> yes, but not assembled yet
[18:28:05] <mase-tech> :D
[18:28:08] <mase-tech> wow
[18:28:23] <mase-tech> u have a blog want to read the story
[18:28:30] <mase-tech> btw history
[18:28:31] <Polymorphism> I will document the process, yes
[18:28:52] <mase-tech> where u document
[18:29:27] <mase-tech> I expect a A + doc
[18:33:55] <enleth> Polymorphism: for ease of use: cut a hole in the botton of a deep baking tray, tape it around the PCB being milled
[18:34:36] <Polymorphism> I was thinking about a dust shoe + hepa shop vac with cyclonic separation
[18:34:42] <Polymorphism> I don't want to breathe any FR4
[18:34:57] <Polymorphism> but maybe people are overstating the danger
[18:36:32] <malcom2073> You'll be fine... for 20 years, then you'll get mesothelioma
[18:37:00] <Polymorphism> =\
[18:41:08] <Polymorphism> I saw there are some cheaper boards that arent FR4
[18:41:20] <Polymorphism> they are some kind of impregnated cardboard
[18:41:35] <Polymorphism> but the reviews were shit
[18:42:00] <malcom2073> For circuit boards you want fr4
[18:53:55] <Duc_mobile> minor dust
[18:54:18] <Duc_mobile> its not like your on a factor floor for it
[19:56:26] <arauchfuss> Are there any nice Linux CNC GUI projects?
[19:57:00] <_methods> axis
[19:57:50] <arauchfuss> How hard is it to customize?
[19:58:05] <_methods> not very
[19:58:47] <_methods> several tutorials out there on axis customization i believe
[19:58:50] <arauchfuss> ah cool, apparently my google fu is weak today.
[19:59:03] <arauchfuss> thanks I'll look around more
[19:59:36] <_methods> http://wiki.linuxcnc.org/cgi-bin/wiki.pl?Adding_Custom_MDI_Buttons
[19:59:46] <_methods> adding custom mdi button tutorial
[20:00:53] <_methods> http://linuxcnc.org/docs/2.4/html/hal_pyvcp_examples.html
[20:03:10] <arauchfuss> yeah, I saw the side panel and tab stuff. I was kinda hoping to change the layout.
[20:03:38] <arauchfuss> huge amounts of white space in my setup.
[20:10:06] <enleth> holy crap, for the last 3 hours I've been reverse engineering TNC131 eprom dumps with a friend to fix a hardware bug in software and it finally looks like we're close to be donw with it
[20:10:25] <enleth> *done
[20:12:20] <enleth> those madmen from Heidenhain ditched all standard support chips for 8085 and implemented the whole addres/data bus (it's the same thing for this CPU, multiplexed between clock cycles) on 74 chips
[20:17:26] <Duc_mobile> so when are you going to have the suckers upgraded
[20:18:11] <enleth> define suckers
[20:18:35] <Duc_mobile> the signal boxes
[20:19:07] <enleth> EXEs?
[20:19:47] <Duc_mobile> yea
[20:19:56] <Duc_mobile> your boxes done I mean
[20:20:04] <enleth> no idea
[20:20:18] <enleth> I switched to this for now because I'm fed up with this error
[20:21:21] <Duc_mobile> LOL yea Im switching away from the scale for a week or so. rather work on cold saw right now
[20:24:24] <Erant> Any recommendations for QCTPs? Looking at the A2Z CNC ones for my Atlas, but I can't find one made for it. Seem to be out of stock...
[20:24:41] <Erant> The imports are significantly cheaper, but I'm afraid of the lack of rigidity in those.
[20:39:16] <skunkworks> we think the ballscrew on the matsuura was replaced at some point.. We think they used the replacement ball screw mounting castings. It didn't line up.
[20:40:32] <skunkworks> we had to move both ends away from the head about .03"
[20:40:37] <skunkworks> crazy
[20:45:24] <skunkworks> http://electronicsam.com/images/matsuura/20160608_185000.jpg
[20:55:56] <malcom2073> Heh, the head that heavy skunkworks?
[20:56:27] <zeeshan> is there a reason why we can only have 9 coordinate systems?
[20:56:30] <zeeshan> anyone know?
[20:58:35] <zeeshan> erant the china one works
[20:58:48] <zeeshan> make sure you get the wedge style if you're going to use it on a cnc
[20:58:51] <zeeshan> cause its more repeatable
[20:59:01] <zeeshan> i had the bxa style
[20:59:45] <zeeshan> skunkworks: thats a crazy setup :)
[21:03:17] <Tom_itx> because that's the limit
[21:04:01] <Tom_itx> zeeshan how many do you think you need?
[21:04:16] <Tom_itx> linuxcnc supports 9 axis is probably why
[21:04:38] <zeeshan> 18
[21:04:41] <zeeshan> or 15
[21:04:50] <Tom_itx> wtf for?
[21:05:00] <zeeshan> im running other jobs
[21:05:22] <zeeshan> i dont want to re setup my work piece offset
[21:05:47] <zeeshan> im wondering why the limit
[21:05:56] <zeeshan> why not make 55.1 ------- 55.999999
[21:05:58] <zeeshan> ?!
[21:05:59] <zeeshan> :D
[21:06:21] <Tom_itx> because the sun rises in the east and sets in the west
[21:07:18] <Tom_itx> the memory map wouldn't accomodate them for one reason, you'd have to remap all those variables
[21:07:25] <zeeshan> o
[21:07:26] <Tom_itx> http://linuxcnc.org/docs/2.7/html/gcode/g-code.html#gcode:g54-g59.3
[21:07:35] <zeeshan> Tom_itx: what are you doing now that you have no class!
[21:07:54] <Tom_itx> i'm working on a software project right now
[21:09:20] <zeeshan> what kind
[21:09:34] <Tom_itx> oops like
[21:09:43] <Tom_itx> nothing fun for sure
[21:10:34] <zeeshan> :]
[21:10:36] <zeeshan> man
[21:10:39] <zeeshan> i have to drive this pos subaru
[21:10:50] <Tom_itx> i thought you got rid of it
[21:10:50] <zeeshan> for another 2 weeks 4 days
[21:10:58] <zeeshan> i bought the truck
[21:11:05] <zeeshan> but its not coming for a while
[21:11:11] <zeeshan> they told me 3 days initially
[21:11:13] <jdh> I would almost like a forester
[21:11:13] <zeeshan> now its become 3 weeks.
[21:11:14] <Tom_itx> ahh... trade for your rednecktruck
[21:11:36] <zeeshan> i hate driving a subaru
[21:11:37] <zeeshan> garbage cars
[21:11:42] <skunkworks> it is pretty heavy - when it isn't counter balanced.
[21:11:56] <skunkworks> but those jacks make it easy ;)
[21:12:10] <zeeshan> i like the pipe
[21:12:14] <jdh> my last 3 have been Yukon XLs
[21:12:16] <zeeshan> ran out of 4x4
[21:12:17] <zeeshan> :D
[21:12:30] <zeeshan> jdh: if you buy a subaru
[21:12:32] <zeeshan> buy it brand new
[21:12:35] <zeeshan> so you have a warranty
[21:12:39] <Tom_itx> skunkworks that's kindof a sketchy setup there
[21:12:56] <jdh> I would. it requires selling my boat first and that's probably more work than I ant
[21:12:59] <jdh> want
[21:13:39] <zeeshan> lol
[21:14:39] <jdh> so, I'll probably get another YukonXL
[21:15:08] <zeeshan> i would
[21:15:12] <zeeshan> a subaru would be a downgrade
[21:15:16] <zeeshan> especially the forester
[21:15:37] <jdh> I drive solo 95% of the time.
[21:17:17] <skunkworks> Tom_itx, kinda? it is redundant!
[21:50:48] <zeeshan> http://www.pressreader.com/canada/northern-pen
[21:50:48] <zeeshan> ROFL
[21:50:53] <zeeshan> my moms cat made it in the news
[22:09:02] <Duc_mobile> Just awesome----freaking wilton made a error in there wiring diagram which caused me to short to legs of 3phase 208
[22:09:06] <Duc_mobile> but now it works
[22:10:28] <Duc_mobile> zeeshan: that is a little odd to say the least
[22:10:39] <zeeshan> ??
[22:13:40] <Duc_mobile> the cat story
[22:15:51] <Duc_mobile> well time for bed
[23:12:49] <Erant> zeeshan: Interesting. I'm keeping the lathe manual, so whatever.
[23:13:02] <Erant> Just gotta find a 0XA one then.
[23:14:53] <Erant> I was looking at this one: http://www.banggood.com/Mini-Quick-Change-Tool-Post-Holder-Kit-Set-For-TableHobby-Lathes-p-983345.html
[23:14:58] <Erant> Probably a weird size though