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[01:05:14] <RyanS> Going to check out a Bridport series 1 variable speed tonight should I botherbringing a dial test indicator ?
[02:10:00] <DJ9DJ> moin
[02:23:16] <RyanS> lo
[02:26:21] <RyanS> I wonder why a bp has such a prominent manual quill feed wheel.. What's wrong with using the large lever on the right hand side like a drill press?
[02:36:14] <archivist> you only use the lever when drilling, you need a slow feed for milling
[02:36:28] <Loetmichel> mornin'
[02:37:24] <RyanS> ah
[02:38:41] <RyanS> I'm going to check one over tonight. An anything in particular should watch out for
[02:39:03] <RyanS> I know you're meant to compare the tightness of the table between centre and the end
[02:39:35] <RyanS> check for any bad rattling noise in the spindle drive
[02:39:57] <RyanS> Amount of flaking still present
[03:46:21] <xxoxx> hi are there any good open source CAM software?
[03:46:58] <archivist> for what definition of good
[03:47:33] <xxoxx> on the level of linuxcnc
[03:47:44] <xxoxx> i consider linuxcnc very good
[03:47:50] <xxoxx> openscad pretty good
[03:47:51] <archivist> there are a number of things with various limitations and use cases
[03:47:55] <xxoxx> freecad really good
[03:48:21] <xxoxx> archivist, what would you recommend ?
[03:48:41] <archivist> often none of them
[03:50:51] <archivist> I have a tendency to hand code, and cam users I see are often having a problem with some aspect
[03:51:13] <xxoxx> 3D waterline CAM
[04:16:41] <archivist> xxoxx,
http://freecadamusements.blogspot.co.uk/2012/10/cam-module.html
[04:38:16] <xxoxx> archivist danke
[05:18:46] <xxoxx> es ist ganz gut
[08:36:51] * archivist giggles at "Obviously I've given this a great deal of thought"
[09:58:10] <PetefromTn> Mornin folks and happy Independence day to my stateside friends...
[10:46:19] <pcw_home> PetefromTn: I should have a little winkleflanget available for testing soon which should help to
[10:46:20] <pcw_home> eliminate your noise problems. it galvanically isolates the 7I77 which should help on long cable/high noise environments.
[10:46:55] <PetefromTn> PETE!! You're my HERO man....
[10:47:16] <PetefromTn> Honestly it has not been much of an issue so far tho.
[10:47:23] <pcw_home> it will require updating your 5I25 firmware
[10:47:38] <PetefromTn> that hard to do?
[10:48:44] <pcw_home> Since you have the issue (and if you dont mind being a guinea pig) I would appreciate a test subject
[10:48:59] <PetefromTn> oink oink...
[10:49:04] <pcw_home> no, firmware update is easy
[10:49:31] <PetefromTn> will I have to change my configuration at all?
[10:51:02] <pcw_home> not for the test firmware, eventually there will be a single setp line that needs to be added to the hal file
[10:52:17] <pcw_home> setp hm2blahblah.5i25.0.muxed-encoder-deskew 120
[10:54:52] <PetefromTn> Sounds great,.....how much?
[10:55:35] <pcw_home> I will hardwire this setup in the test bitfile
[10:55:37] <pcw_home> Free if you test it
[10:57:12] <PetefromTn> Awesome...you know I don't know much about programming and the such but I am willing to give it a shot especially if it helps me get rid of the spindle noise errors I occaisonally get.
[10:57:12] <pcw_home> its just a little 2"x4" card with a male DB25 for the 7I77 end and a female DB25 for the cable end that stacks
[10:57:14] <pcw_home> on the end of the 7I77
[10:58:02] <pcw_home> it requires that the 5I25 supply power (for the 5I25 side of the isolator)
[10:58:46] <PetefromTn> So I need an external power supply then because I THINK mine is setup with power for both cards coming from the PC right now.
[10:59:37] <PetefromTn> BTW what the hell is a Winkelflanget, it does not come up on a google search so therefore it does not exist.
[11:00:07] <PetefromTn> ;)
[11:01:38] <pcw_home> its a technical term for a whatchmacallit
[11:03:12] <JT-Shop> lol
[11:03:15] <PetefromTn> oh kinda like a dinglebopper
[11:09:00] <pcw_home> I'll try and send one out next week sometime (dont use with old firmware though, and verify the encoders work properly before enabling motors) If you use the original firmware you will have a even /odd encoder swap which will likely be a bit of a surprise
[11:10:20] <PetefromTn> pcw_home: okay man maybe I will have Connor come over when I try it out, encoder swapping can be scary on a machine with 650 IPM rapids....
[11:10:45] <PetefromTn> Right now everything is working well and I REALLY would like to keep it that way. LOL
[11:12:10] <pcw_home> even with bad encoder data your setup should just fault with a joint following error but not something I would
[11:12:11] <pcw_home> gamble on
[11:13:16] <PetefromTn> We made some changes a little while ago with the INI or something and it reversed the encoder and when I turned it on the axis ran away. Thank GOD I decided to go with an Estop circuit that completely kills power LOL It saved the bacon.
[11:13:43] <pcw_home> important thin about 5I25 firmware update, you _must_ power cycle PC to load new firmware
[11:14:41] <PetefromTn> Okay tell you what, when I go to install and test it, I will setup my laptop out there in the shop and get on here so we can chat about it while we do it. That way there will not be any screwups.
[11:14:51] <pcw_home> your drive enables should be wired so it just halts if you get a following error (this is very important)
[11:16:16] <pcw_home> ( you should not get a runaway on an encoder fault, broken wire etc)
[11:16:24] <PetefromTn> well like I said we reversed something in the config when we were playing with the table physical limits and homes and it reversed something and the system thought it was going the right way but it was not.
[11:16:52] <PetefromTn> The drive enables are wired just like the 7i77 manual states whatever that was.
[11:18:03] <PetefromTn> I have a complete Cad drawing of the entire system so far and I would have to look at it again to recall what was wired how.
[11:18:45] <PetefromTn> I believe the drives themselves do this internally in the event of a lost encoder signal.
[11:19:26] <PetefromTn> This was a situation I think where the LinuxCNC setup was not configured right somehow.
[11:20:00] <PetefromTn> I cannot recall exactly what we did but we had it under control and even if it did run away the estop circuit shuts down the show as a last resort.
[11:23:21] <PetefromTn> Just got a 25% off coupon for the fourth of July from Horrible freight tools....
[11:29:01] <IchGuckLive> happy 4th of july the BBQ is on and the t-bone stakes are in the smoker
[11:33:04] <pcw_home> if the enables are wired right (physically and in HAL) a error bigger than the following error limit
[11:33:06] <pcw_home> should shut down the drives (you should verify that this is the case) You should not have to hit estop
[11:33:55] <pcw_home> with a reversed encoder, you should get an immediate following error --> drives disabled
[11:37:13] <JT-Shop> Cali special cut going on the smoker after while
[11:38:18] <JT-Shop> with the power off of the drives you should be able to turn the axis and cause a following error
[11:38:26] <IchGuckLive> JT-Shop: do you know is the famous firework of washington monoment live on cnn
[11:38:48] <JT-Shop> never seen it
[11:40:11] <PetefromTn> pcw_home: Okay man will check that out.
[11:40:50] <IchGuckLive> oh the peteguy got a following at the 4th of july dont do that at this day
[11:41:18] <IchGuckLive> get your girl and go partytime
[11:47:51] <pcw_home> if I did that, my wife might object
[11:48:57] <IchGuckLive> isent your wife your girl
[11:49:36] <IchGuckLive> as you life in mormone state you might have some more B) ;-)
[11:51:50] <pcw_home> :-)
[11:52:09] <IchGuckLive> ah heint is online
[11:52:20] <DJ9DJ> heint?
[11:52:25] <Heinz_60> Heint?
[11:52:29] <DJ9DJ> hi heinz
[11:52:36] <IchGuckLive> Heinz_60: how is the isel doing at full pcb mill mode
[11:52:39] <Heinz_60> Hey @ll
[11:52:41] * DJ9DJ notes: IchGuckLive has no ergonomic keyboard
[11:52:52] <IchGuckLive> ;-)
[11:53:05] <IchGuckLive> O.O its a hell at this miss
[11:53:17] <Heinz_60> Spindle drives me crazy
[11:53:35] <IchGuckLive> i told you to get a 6bit comp out
[11:55:33] <Heinz_60> Think ill need to read your instructions again
[12:27:06] <PetefromTn> Gonna grind me up an engraving cutter today...hopefully!
[12:42:01] <PetefromTn> Loetmichel: Loetmichel made this look way too damn easy LOL
[12:42:12] <Loetmichel> PetefromTn: hrhr
[12:42:33] <PetefromTn> rub it in man...RUB IT IN!! LOL
[12:42:53] <Loetmichel> it IS easy... when you had done the first 20 or so ;-)
[12:43:09] <Jymmm> Loetmichel: So how didn't those engraving cutters I made for you turn out?
[12:43:21] <Loetmichel> ?
[12:43:28] <Jymmm> lmao
[12:44:29] <PetefromTn> Trying to NOT make the damn thing soft with undue heat is difficult.
[12:45:26] <PetefromTn> anyone got any reccomendations for an online supplier that is cheap and reliable for 1/4 inch engraving single flute cutters?
[12:45:40] <PetefromTn> Ya know just in case I fail miserably here ;)
[12:47:51] <Loetmichel> PetefromTn: i once met a guy at a company that makes Electric enclosures ( these industrial "racks" with doors) ... he walked at the end of the production before painting through the lines.. looking for dents in the (sheet metal) doors and side walls... when he found one he got his little copper hammer... *DENG* ... dent gone... EVERY time... and the guy was drunk as lord, every time i met
[12:47:51] <Loetmichel> him ;-)
[12:48:01] <Loetmichel> THAT is metal "art" ;-)
[12:48:17] <Loetmichel> PetefromTn: depends
[12:48:24] <Loetmichel> wehre you are from.
[12:48:38] <PetefromTn> Tenneshee.
[12:50:22] <Loetmichel> ok, sorry
[12:50:29] <Loetmichel> <- german withb german sources ;-)
[12:50:49] <PetefromTn> It's okay, I'm sorry too LOL/
[14:02:04] <PetefromTn> Well grinding the engraving cutter is going......NOT TOO GOOD!!??
[14:06:57] <archivist> dont let it get too hot unless you are going to harden and temper
[14:11:01] <PetefromTn> yeah I know.. Been quenchin' but the shape is just not right.
[14:21:43] <PetefromTn_> Well I tried to use it manually in the router and it cut....sorta. Gonna be buying some manufactured ones I think LOL
[14:26:56] <Loetmichel> PetefromTn_: you give up to early
[14:27:37] <PetefromTn_> yeeah probably but I am anxious to test this damn router setup LOL
[14:28:22] <JT-Shop> whew I thought you were asking for cheap and good for a moment
[14:29:22] * Loetmichel is just building a monitor from a laptop 12.1" 1024*768 panel and a surplus DVI/vga-> LVDS converter... have to cut some 2mm Lexan and 3mm PVC-foam tomorrow in the company for the Enclosure... my mill here at home is to small :-(
[14:29:34] <Tom_itx> PetefromTn_ you can buy em from china for $5
[14:29:54] <Tom_itx> i tried to get some half round drills but nobody local sells em
[14:30:01] <PetefromTn_> JT-Shop: something wrong with that LOL?
[14:30:22] <PetefromTn_> Don't really want to wait for the slow boat.
[14:30:29] <Tom_itx> i need one for when i redo my pendant cover
[14:31:05] <Tom_itx> i ground a broken carbine endmill but i'm not that happy with it either
[14:31:18] <Tom_itx> it's better than the center drill i used the first time
[14:31:29] <PetefromTn_> I made this one from a long length brand new drill bit I got from fastenal.
[14:31:48] <Tom_itx> i use broken cutters for 'special' tools
[14:31:51] <PetefromTn_> I actually used a center drill kinda thing for a bit.
[14:31:54] <JT-Shop> cheap and good is a fools folly usually
[14:32:12] <Tom_itx> these were carbide and didn't look so bad
[14:32:15] <PetefromTn_> yeah but its just a 1/4 inch bit..
[14:32:26] <JT-Shop> PetefromTn_: why not get one from a local home center?
[14:32:31] <Tom_itx> my carbide blank was .125
[14:32:33] <PetefromTn_> huh?
[14:32:50] <PetefromTn_> they sell single flute carbide engraving bits at the depot?
[14:33:07] <PetefromTn_> I need 1/4 inch for this router collet.
[14:33:08] <JT-Shop> they have router bits
[14:33:36] <PetefromTn_> I've got lotsa router bits..
[14:34:00] <PetefromTn_> really wanted a proper engraving bit tho
[14:34:12] <JT-Shop> onsrud
[14:34:21] <PetefromTn_> I bought one for the RF45 and used it and it worked really well.
[14:34:29] <Tom_itx> http://www.ebay.com/itm/10-x-Carbide-PCB-Engraving-CNC-Bit-Router-45-Deg-0-2mm-/270664868211?hash=item3f04e22173
[14:34:34] <Tom_itx> those are 45 deg
[14:34:40] <Tom_itx> i'd rather have around 20 deg
[14:34:53] <JT-Shop> msc carries onsrud
[14:35:56] <Tom_itx> http://www.ebay.com/itm/10-x-Carbide-PCB-Engraving-CNC-Bit-Router-20-Deg-0-1mm-/270664868343?pt=LH_DefaultDomain_0&hash=item3f04e221f7
[14:36:15] <JT-Shop> PetefromTn_: what are you engraving?
[14:36:33] <PetefromTn_> aluminium..
[14:36:47] <Tom_itx> http://tom-itx.dyndns.org:81/~webpage/cnc/pendant8.jpg
[14:36:51] <PetefromTn_> Tom that is the sight I was looking at too.
[14:36:53] <Tom_itx> i did that with a center drill
[14:36:54] <JT-Shop> http://www.youtube.com/watch?v=VWgfD43tPJ8
[14:37:20] <Tom_itx> gonna redo it though
[14:37:25] <Tom_itx> i need a couple more buttons
[14:39:06] <Tom_itx> puppy hates fireworks
[14:40:31] <PetefromTn_> My Husky does too...he gets all nervous..
[14:40:34] <JT-Shop> PetefromTn_:
http://www.mscdirect.com/browse/Engraving-Cutters?navid=12106225&searchterm=engraving
[14:40:57] <Tom_itx> we had a msc local but they closed
[14:41:10] <Tom_itx> err maybe it was MTS
[14:41:29] <tyfab> hi ! is a bit general question ok here, or is there a& more general cnc channel ?
[14:41:45] <tyfab> we are a fablab and we just got a lathe ( myford super7 )
[14:41:48] <Tom_itx> you will get shot if you ask to ask
[14:42:02] <tyfab> it has a three phase motor
[14:42:20] <tyfab> and we have taken the 1.5kw chinese vfd from the router
[14:42:30] <tyfab> but we cant get it tu turn the motor
[14:42:43] <tyfab> it turns half a rotation with nearly no torque
[14:42:57] <Tom_itx> 3 phase != BLDC
[14:43:06] <tyfab> there are youtube videos of this exact setu)p and folks dont seem the have a proble
[14:43:44] <Tom_itx> well it sorta is...
[14:44:05] <syyl_ws> why bldc? a vfd is for a 3 phase motor
[14:44:14] <tyfab> the vfd is the classic HUANYANG
[14:44:20] <syyl_ws> have you set all parameters right?
[14:44:26] <tyfab> ss
[14:44:39] <tyfab> syyl_, I used the default fazctory settings
[14:44:49] <syyl_ws> uah
[14:44:52] <tyfab> found some forums with other parameters, tried those, no difference
[14:45:03] <tyfab> not sure what to play with
[14:45:06] <syyl_ws> you need to enter the motor data in the vfd
[14:45:43] <tyfab> so we need to fins what motor it is
[14:45:59] <syyl_ws> voltage, current, nominal frequency and nominal rpm of the motor
[14:46:07] <syyl_ws> it can all be found on the motor
[14:46:14] <tyfab> looking, thanks
[14:48:45] <syyl_ws> i like people who tinker with 3 phase and vfds
[14:48:57] <syyl_ws> chance for a burned out vfd is pretty good :D
[14:49:11] <tyfab> syyl_, well not sure how to make it turn otherwise, we dont have 3phase mains at the lab
[14:49:40] <tyfab> we found the plaque on the motor, but we can opnly read it with a mirror :)
[14:50:19] <archivist> pictures of the plate, did you rewire the motor to delta
[14:50:57] <archivist> 440 star to 240 delta
[14:51:05] <PetefromTn_> I smell smoke...
[14:51:26] <archivist> just has to low a voltage to run it
[14:51:43] <syyl_ws> thats the good smoke, PetefromTn_
[14:51:43] <syyl_ws> ;)
[14:52:12] <PetefromTn_> I dunno never seen any GOOD smoke coming from anything but my grill.
[14:52:51] <PetefromTn_> Sitting here eating some YUMMY 4th of july cake my wife and kids made all Red White and Blue....I feel so patriotic!!
[14:53:31] <syyl_ws> no explosives?
[14:53:59] <PetefromTn_> Oh hell yeah just wait til' it gets dark man!!
[14:54:03] <syyl_ws> i thought its every americans duty on 4th of july to blow stuff up :D
[14:54:11] <PetefromTn_> Got some Mortars and romans and whatnot.
[14:54:11] <syyl_ws> :)
[14:54:21] <syyl_ws> ok :D
[14:54:32] <Tom_itx> JT-Shop, are you gonna roll out the cannons today?
[14:54:38] <PetefromTn_> We are sure gonna try.... Altho I ranout of black powder for my handmade miniature cannon.
[14:55:34] <syyl_ws> if i fire a homemade cannon over here, i will be busted by the police in about 60 seconds
[14:55:38] <syyl_ws> :(
[14:56:01] <PetefromTn_> Last year I was testing it early and scared the crap out of my next door neighbors wife who was bent over in the garden. She was nice about it tho LOL..
[14:56:21] <Tom_itx> she might fire back this year
[14:56:26] <PetefromTn_> I did not see her there until it was too late.
[14:56:37] <Tom_itx> uh huh
[14:56:54] <PetefromTn_> I wad mine up with toilet paper so it is pretty harmless but it sure makes a helluva bang!
[14:57:45] <PetefromTn_> I really should have made it bigger tho, it rolls back three feet sometimes LOL...
[14:58:33] <PetefromTn_> I like the mortars best tho...kinda like a low rent version of the professional stuff LOL
[15:00:37] <tyfab> archivist, we are unsucessful at opening the small box on the motor. well have to change from star to delta there, then wire to the vfd as before, rignt ?
[15:00:53] <Tom_itx> pcw_home, is the lcd part of the 7I73 supported by linuxcnc for mesaging?
[15:00:58] <PetefromTn_> Those Onsrud cutters are not TERRIBLY expensive really. I mean I think I paid like $20.00 for the last one I bought those are like $30.00
[15:01:17] <PetefromTn_> Anyone ever bought anything from Bits and Bits?
[15:01:34] <Tom_itx> i may take a blank over to the tool grind shop and let em make one
[15:01:43] <PetefromTn_> http://bitsbits.com/index.php?main_page=page&id=8
[15:01:52] <Tom_itx> i doubt it would cost much
[15:02:57] <PetefromTn_> http://bitsbits.com/index.php?main_page=product_info&cPath=4_45&products_id=289
[15:03:15] <PetefromTn_> This one looks promising....and you can get them double ended for a few bucks more.
[15:03:29] <PetefromTn_> Not sure I can use a double ended tho in the router collet.
[15:03:43] <Tom_itx> won't give you much to grip
[15:04:40] <Tom_itx> what angle are you looking for?
[15:05:35] <PetefromTn_> Well I think the last ones I got were 30 but not sure really. I am more concerned with the tip diameter. The last ones I used were .020 and they worked pretty good.
[15:05:38] <archivist> tyfab, yes can be a problem with old motors, some are not built for delta so either change motor or get inside and rewire internally, for the brave :)
[15:05:39] <JT-Shop> Tom_itx: we might later this evening after is cools down a bit
[15:06:01] <tyfab> archivist, ok, thanks, googling for a diagram
[15:06:37] <JT-Shop> for those that havn't seen it yet
http://gnipsel.com/cannon/cannon.xhtml
[15:06:56] <Tom_itx> kids and their toys
[15:07:44] <syyl_ws> i am a bit envy
[15:07:52] <syyl_ws> just a little bit
[15:08:01] * syyl_ws walks out to cry
[15:08:35] <PetefromTn_> jeez man that is JUUSSTTT a little bit bigger than mine is LOL... My whole cannon fits inside a double pistol case
[15:10:01] <archivist> he does not do small toys!
[15:11:02] <PetefromTn_> meh, I think me and JT would get along famously...LOL
[15:14:27] <PetefromTn_> JT-Shop: Hey man whadya make your plasma frame out of? Looks nice
[15:15:36] <tyfab> archivist, syyl_
http://i.imgur.com/dhpNo6c.jpg?1
[15:16:37] <archivist> tyfab, ok that motor is designed for delta see the 220 diamond shape
[15:17:09] <archivist> so a 220 vfd will drive that if set for delta
[15:17:59] <archivist> is it was direct on 3 phase it was probably on 380 Y (star)
[15:18:11] <archivist> is;if
[15:18:31] <tyfab> it was direct on 3 phase 380v at the school
[15:18:38] <tyfab> no inverter nothing
[15:18:43] <tyfab> no vfd I mean
[15:18:57] <archivist> and your vfd is 220?
[15:18:59] <tyfab> yes
[15:19:05] <archivist> then delta
[15:19:12] <tyfab> ok so we need to open it
[15:19:14] <tyfab> thanks
[15:19:17] <archivist> yes
[15:19:33] <tyfab> I think nobody opened that motor for decades, we cant get it opened
[15:20:01] <archivist> some sharp taps with a small hammer on the screws
[15:20:38] <archivist> use a punch to knock the heads side ways a bit and loosen the rust
[15:21:39] <archivist> should be a label/diagram in the box for delta
[15:21:50] <CaptHindsight> http://tinyurl.com/pwwevxa 52PC 7/16" T-SLOT CLAMPING KIT US $1,440.28!? Does it come with a mill?
[15:23:34] <archivist> dunno how they ever sold any
[15:24:01] <archivist> just the standard far east set
[15:30:27] <pcw_home> Tom_itx: yes the 7I73 LCD is suported (by Andys LCD component)
[15:35:26] <tyfab> archivist, opened it, its wired as star, and it has the diagram like you said :)
[15:36:54] <tyfab> thanks a lot
[15:37:14] <tyfab> you just made a whole fablab very happy
[15:38:10] <pcw_home> archivist: maybe they've found a sweetspot on the Stupid * Price function
[15:40:32] <archivist> hehe
[15:41:53] <archivist> pcw_home, that company I know and they do sell cheap too, dunno what they are up to apart from lifting money from idiots
[15:42:23] <archivist> and minor info they bought the assets of Myford now defunct
[15:46:55] <CaptHindsight> http://tinyurl.com/ntqo3dq thinking about buying this, getting it working with Mach and then changing to Linuxcnc for a side by side comparison
[15:49:32] <PetefromTn_> Hey that looks like a sweet machine....but why on earth did they use mach3?
[15:50:00] <CaptHindsight> http://tinyurl.com/ozb5p8l anyone recognize that controller?
[15:52:43] <CaptHindsight> http://www.cnc4pc.com/Store/osc/popup_image.php?pID=255 ahah
[15:52:54] <PetefromTn_> it says it has the CNC4PC C32 BOB...
[15:53:34] <PetefromTn_> I would prefer the mesa boards but I am biased LOL
[15:54:46] <skunkworks> could not get the spindle to work through the bob/mach - so there is a pot at the moment.
[15:54:55] <skunkworks> and the tool changer isn't setup...
[15:55:03] <skunkworks> PetefromTn_: ^^ get to work!
[15:55:06] <skunkworks> ;)
[15:55:09] <PetefromTn_> Oh is it yours skunk?
[15:55:22] <skunkworks> no - just reading the description
[15:55:28] <skunkworks> come on - mach?
[15:55:30] <skunkworks> ;)
[15:55:34] <CaptHindsight> heh
[15:55:41] <PetefromTn_> aah... Should have gone with linuxCNC and new commercial servos...
[15:56:10] <CaptHindsight> I'd like to compare operation between Mach and EMC
[15:56:28] <skunkworks> I have never touched mach. (went from my own attemt at a machine control -> turbocnc -> emc1 -> linuxcnc)
[15:56:30] <PetefromTn_> I will say that those Matsuura machines are very good and solid machines from what I have seen of them. However parts are quite expensive
[15:56:53] <PetefromTn_> My pal Art uses and loves TurboCNC....
[15:56:57] <skunkworks> CaptHindsight: report back!
[15:57:08] <PetefromTn_> Are you gonna get it really capt?
[15:57:27] <CaptHindsight> I'm going to ping the seller and take a look
[15:58:10] <CaptHindsight> if he can load for free, it's easy to get it back to the lab
[15:58:51] <PetefromTn_> You local to him then>
[15:59:04] <skunkworks> I think the tool changer is going to have to be all outside of mach in a plc - unless your going to buy some sort of external motion board. like kflop
[15:59:57] <PetefromTn_> Well my friend Joel at JH choppers managed to make the toolchanger work on his bridgeport interact with mach3 but I think it would be much easier in LinuxCNC.
[16:00:16] <tyfab> archivist, its a bit better, we got it to do a few turns, but it still has close to zero torque
[16:00:25] <tyfab> so it just stops
[16:00:27] <PetefromTn_> If it were me I would gut the cabinet and start over with mesa hardware and linuxCNC ;)
[16:00:41] <CaptHindsight> yeah, maybe show how much easier it is to make machines work with Linuxcnc than Mach
[16:00:53] <archivist> tyfab, what rating is the vfd (hp/watts)
[16:01:00] <PetefromTn_> Mine's working so far and I am an electroidiot.
[16:01:02] <tyfab> 1500W
[16:01:08] <CaptHindsight> but where to post the article?
[16:01:09] <tyfab> let me looks sup the HP
[16:01:22] <tyfab> the motor is 0?75HP
[16:01:28] <PetefromTn_> How bout on the zone and the linuxCNC forum as well.
[16:01:28] <tyfab> 0.75
[16:01:33] <CaptHindsight> or submit for publication
[16:02:26] <archivist> tyfab, should manage to run that unless it has settings for some other motor
[16:02:31] <tyfab> archivist, VFD is 1.5kw / 2HP, motor is 2.8A @ 220V / 0.75Q
[16:02:32] <PetefromTn_> Honestly if you could get it cheap enough the parts would be relatively inexpensive for the mesa cards and whatnot. It does say it has a DC motor or something.
[16:02:37] <Loetmichel> hmmmm... that seems to be a 60° engraving bit, no 90°... and it seems i had made a mistake with the top corners of the Moniotor enclosure pattern (to long). but in principle: the pattern works... so i can mill it at the company tomorrow without the resizing to fit it to my mill ;-) ->
http://www.cyrom.org/palbum/main.php?g2_itemId=14304
[16:03:01] <tyfab> archivist, I'll look in the manual again for motor specific sttings
[16:03:53] <archivist> tyfab, the vfd will/should try to protect itself from poor settings
[16:04:45] <tyfab> ok
[16:04:47] <Loetmichel> ... thats the problem with desinging in 2d and having it fit in 3d ;-)
[16:04:56] <archivist> but I have not used that particular vfd so dont know much about it
[16:05:05] <PetefromTn_> whats the material?
[16:05:25] <Loetmichel> mine, PetefromTn_? 3mm thick PVC foam plates
[16:05:35] <PetefromTn_> okay...
[16:05:35] <tyfab> vfd is correctly set to 50Hz
[16:06:17] <tyfab> I have a "intermediate volatage" set to 15 by default
[16:14:34] <JT-Shop> PetefromTn_: the bottom is 1 1/2" tube and the top is extruded 80-20 or frameworld
[16:16:49] <PetefromTn_> Oh okay man thanks. can ya repost your link again. I have considered making a router table/plasma table and dunno if I will or not but it is nice to see others working.
[16:17:54] <Loetmichel> PetefromTn_: thats my design for the 12" tft. the op corners are to long, tough... good thing that i have teste it in a smaller scale ;-)
[16:17:58] <Loetmichel> http://www.cyrom.org/palbum/main.php?g2_itemId=14307&g2_imageViewsIndex=1
[16:19:44] <JT-Shop> gnipsel.com
[16:27:17] <DJ9DJ> gn8
[16:28:26] <Tom_itx> pcw_home, do you know of an example using the LCD?
[16:33:16] <pcw_home> I think Andy had a DRO demo
[16:34:13] <andypugh> https://picasaweb.google.com/lh/photo/fCc5K4YxILZbGhKVsdPCn9MTjNZETYmyPJy0liipFm0?feat=directlink
[16:35:00] <Tom_itx> i take it by the way it's wired it's 8bit mode instead of nibble
[16:36:08] <Tom_itx> andypugh, is the sorce available for that?
[16:36:13] <Tom_itx> source*
[16:40:56] <andypugh> Let me look
[16:41:36] <pcw_home> I think it is in nibble mode
[16:42:14] <Tom_itx> andy had more wires than that was why i thought it was 8 bit
[16:42:19] <Tom_itx> you only need 7 for nibble
[16:42:46] <pcw_home> I think theres a contrast PWM as well
[16:43:00] <Tom_itx> and backlight
[16:43:12] <Tom_itx> so 10
[16:43:57] <Tom_itx> i've got a few of those as well as white/blue i might try
[16:44:47] <andypugh> Tom_itx: It looks like I didn't keep it, unless it is on a different PC.
[16:44:51] <Tom_itx> a couple older ones require negative bias though
[16:45:22] <pcw_home> Yes this is for single supply LCDs
[16:46:21] <andypugh> Looking at the date, it won't be on the other PC, so I think it has gone for good.
[16:46:33] <Tom_itx> aww
[16:47:02] <andypugh> Shouldn't be hard to recreate.
[16:53:17] <CaptHindsight> http://www.newport.com/ESP301-Series-3-Axis-Motion-Controller-Driver/771081/1033/info.aspx#tab_Specifications a controller this simple sells for ~$3K
[16:57:02] <Tom_itx> andypugh, where do you put the lcd code? in a hal file?
[16:57:30] <andypugh> Yes.
[16:57:38] <andypugh> man lcd ?
[16:57:47] <Tom_itx> i'm reading it
[16:58:56] <Tom_itx> i just wondered if some parts of it could be written once and only update changes
[16:59:28] <andypugh> Hmm?
[16:59:46] <Tom_itx> i suppose you write the whole line each time
[17:00:44] <fragalot> Tom_itx: most standard LCD protocols allow you to set the cursor position to write
[17:01:09] <Tom_itx> in your example, the 'X-Pos' etc wouldn't need to be rewritten rather just the numeric data
[17:01:39] <andypugh> Yes, sorry. That's just the way the driver was written.
[17:01:50] <andypugh> Why is that a problem?
[17:01:53] <pcw_home> there is cursor addressing and clear to end-of line so it would be pretty easy to do it efficently
[17:01:55] <Tom_itx> no
[17:02:02] <Tom_itx> just lcd's tend to be slow
[17:02:34] <andypugh> it takes 80 mS to update a 4x20. You don't notice.
[17:14:14] <PetefromTn_> What the hell are we talking about here? Is this for a pendant or something?
[17:14:39] <Tom_itx> yes
[17:15:08] <PetefromTn_> Oh yeah I was just looking at ideas for a probe setup. I have been wanting to get started on building a nice accurate probe for the VMC. Until i can afford a renishaw anywyas.
[17:15:49] <PetefromTn_> The six ball bearing style of probe is interesting but I was just reading on the 10bears website about a disk setup that uses three balls called the one penny probe.
[17:15:50] <Tom_itx> http://tom-itx.dyndns.org:81/~webpage/emc/probe_index.php
[17:15:54] <PetefromTn_> Anyone buildone?
[17:16:22] <Tom_itx> i should plate the contacts for better results
[17:16:45] <Tom_itx> and i still haven't gotten a ruby probe
[17:17:34] <PetefromTn_> What do you think of this hand drawn on a napkin idea?
http://www.brusselsprout.org/CNC/1P-Probe/
[17:17:50] <PetefromTn_> Tom_itx: That looks pretty sweet man, howsit work>
[17:18:02] <Tom_itx> fair
[17:18:28] <Tom_itx> http://www.youtube.com/watch?v=SGuV86Su430&feature=youtu.be
[17:18:38] <Tom_itx> i can't view that here but i think that's it
[17:20:38] <PetefromTn_> https://www.youtube.com/watch?v=DIiWoGUPP78
[17:22:06] <PetefromTn_> nice man...
[17:22:59] <Tom_itx> i don't use it much, i just wanted to make one to see how it would work
[17:29:17] <PetefromTn_> well it certainly looks nice and apparently works well.
[18:29:06] <andypugh> I seem to have yet another Linux box. I just ssh-ed into the backup drive I just bought :-)
[18:35:10] <Tom_itx> can never have too many
[18:36:04] <Tom_itx> i got a 500g but windows didn't wanna live on it for some reason
[18:37:01] <Tom_itx> booted a couple times then refused to
[18:38:07] <syyl__> finaly done
[18:38:22] <syyl__> made eight additional toolholders for my tripan..
[18:38:22] <syyl__> https://dl.dropboxusercontent.com/u/24396704/Tripan/IMG_2063.JPG
[18:38:50] <syyl__> one original, eight copies :D
[18:39:02] <toner> very nice
[18:39:22] <toner> :/
[18:39:38] <syyl__> thats how it started..
[18:39:39] <syyl__> https://dl.dropboxusercontent.com/u/24396704/Tripan/IMG_1976.JPG
[18:39:40] <syyl__> :D
[18:40:09] <syyl__> https://dl.dropboxusercontent.com/u/24396704/Tripan/IMG_2009.JPG
[18:40:17] <syyl__> https://dl.dropboxusercontent.com/u/24396704/Tripan/IMG_2031.JPG
[18:40:23] <toner> awesome!
[18:40:25] <syyl__> most work was done on the shaper
[18:43:45] <andypugh> Nice shaper
[18:44:28] <syyl> :)
[18:45:34] <toner> so I actually clicked on a gmail ad and it sent me to
http://www.gotorch.com/
[18:45:41] <toner> kinda tempted heh
[18:45:50] <toner> does anyone in here do cnc plasmacutting?
[18:46:11] * toner would have to get a torch too
[18:46:25] <toner> but I've been wanting a tig welder and plasma cutter for a while, so that would be a good excuse :P
[18:46:31] <toner> just lots and lots of money :/
[18:48:50] <andypugh> I have seen neater designs
[18:49:34] <syyl> but you can set it up in the trunk of your pickup
[18:49:39] <syyl> and cut a hole in it
[18:50:26] <andypugh> I meant I have seen neater portable plasma cutter designs.
[18:51:58] <Tom_itx> andypugh, on that LCD do you have to send the initialization strings to it as well or does the mesa card take care of that?
[18:52:51] <andypugh> I think the driver takes care of that.
[18:54:15] <andypugh> That demo display was literally just a loadrt and a bunch of "setp" statements to populate the numbers.
[18:54:45] <Tom_itx> well, i've never done sserial before either
[18:54:59] <Tom_itx> i did just set up a pin file for my 7i47 for it
[18:55:08] <Tom_itx> haven't had anything to test on it yet
[18:55:12] <andypugh> There isn't a lot to do. Just plug it in, and let the driver handle the rest.
[18:55:53] <Tom_itx> i was supposed to get a 7i84 at the meet but somehow it didn't happen
[18:56:40] <Tom_itx> afterward i noticed the pendant card
[18:58:26] <toner> hmm
[18:58:29] <toner> haha
[18:58:44] <toner> andypugh: I don't suppose you could name a few? ;)
[18:58:58] <toner> I haven't really looked around too much yet
[19:03:14] <andypugh> I can't see how to copy a google search url. But looking for "portable plasma cutter" on images.google.com shows lots.
[19:13:39] <pcw_home> Tom_itx, not sure whwre your 7I84 went but I will send you our scratch monkey 7I84 next week
[19:14:36] <Tom_itx> i don't expect you to do such a thing
[19:14:59] <Tom_itx> i figured i'd pick one up one of these days
[19:16:35] <pcw_home> we hare a big assortment of test bench occupants, some of which can be retired
[19:16:40] <pcw_home> have
[19:17:09] <Tom_itx> yeah i know how that is
[19:17:19] <Tom_itx> i've got a pile of avr programmers here
[19:17:39] <Tom_itx> in various stages
[19:17:59] <pcw_home> I mean they get taken off the shelf/ unbagged/messed with so they are unsaleble but perfectly fine electrically
[19:18:24] <Tom_itx> i'm ok with that but you don't need to
[19:18:28] <pcw_home> And I probably shoud have marked you 7I84
[19:18:56] <pcw_home> your
[19:58:12] <Tom_itx> i'm tempted to have you send a 7i73 along when you do but you don't take paypal do you?
[20:02:49] <PetefromTn_> Anyone firing off their high explosives yet? There SEEMS to be a small break in the rain here so who knows. It is JUST starting to get dark but still pretty light outside.
[20:42:18] <PetefromTn_> Damn we just got setup and fired off a few mortars and it started to rain again...sigh
[20:44:09] <qrp> linuxcnc has backlash compensation and pitch error compensation ? where can I set this ?
[20:55:28] <qrp> Does linuxcnc have backlash compensation and pitch error compensation ? where can I set them ?
[21:07:03] <qrp> (^ ^) any body knows?
[21:07:58] <atom1> zlog,
[21:08:44] <atom1> in the [AXIS_x] section of the ini for each axis
[21:09:08] <atom1> BACKLASH =
[21:10:04] <qrp> the compensation when the workpiece go change the direction ,
[21:10:45] <qrp> for example, x axis, go the +x, when you go to -x direction, you need a compensation
[21:11:15] <qrp> because, when direction change, there is a position error
[21:12:55] <atom1> ^^
[21:14:01] <qrp> i explain clearly ?
[21:14:35] <atom1> yes, did I?
[21:15:07] <atom1> http://www.linuxcnc.org/docs/html/config/ini_config.html#_axis_lt_num_gt_section_a_id_sub_axis_section_a
[21:15:44] <atom1> Backlash in machine units. Backlash compensation value can be used to make up for small deficiencies in the hardware used to drive an axis.
[21:16:02] <qrp> thank you so much
[21:19:36] <qrp> this is the passage of integrator manual?
[21:25:58] <Tom_itx> qrp, i'm not sure but i got it from the web html docs
[21:26:42] <qrp> ok, I know, thanks for your help
[22:00:39] <abetusk> Do they have relatively inexpensive rotary encoders that are in the 100,000 pulses per revolution range?
[22:07:13] <qrp> I suggest use absolute encoder from Japan, cheap and revolution range proper
[22:09:10] <Valen> absolute will be much more expensive
[22:10:00] <qrp> now Japan and German produce them in china, very cheap, 30 - 50 $
[22:10:42] <qrp> sorry Japan and USA
[22:12:29] <qrp> DANAHER from USA and Tamaga from Japan
[22:22:48] <qrp> relative encoder, 100,000pulse per revolution, too much pulse means the motor can't rotate too rapid, and interfere too easy
[22:29:04] <Valen> got a link to the 100k point encoder?
[22:31:02] <qrp> yes, pulse frequent too high, interfere easier
[22:31:29] <qrp> especially, in industry condition
[22:33:19] <abetusk> so are there no 100k encoders, absolute or negative?
[22:34:21] <qrp> the absolute encoder that our company used is more than 100K
[22:34:23] <archivist> 100k and inexpensive
[22:34:41] <Valen> I was after a link to this 100K absolute encoder for $30
[22:35:25] <archivist> problem with high resolution is count rate
[22:35:36] <qrp> you'd better ask for the company
[22:36:03] <qrp> use the fpga is not a problem, but interfere can't solve
[22:36:29] <Valen> (12:55:45) qrp: now Japan and German produce them in china, very cheap, 30 - 50 $
[22:36:32] <Valen> WHERE?
[22:37:08] <qrp> DANAHER in the city of TianJin, Tamaga in the city of DongGuan
[22:37:28] <Valen> so i wander down the streets there asking for encoders?
[22:37:35] <Valen> or is there somewhere i could perhaps buy them
[22:37:37] <Valen> on the internet
[22:38:40] <qrp> you'd better call the company, I contact them birefly
[22:44:38] <Valen> does the company have a name?
[22:45:07] <qrp> DANAHER and Tamaga is the brand
[22:45:15] <qrp> you can search on the internet
[22:45:33] <qrp> and look for the local seller
[22:45:45] <qrp> or delegate
[22:55:34] <pcw_home> I Doubt if danaher or Tamagawa have any absolute encoders < $300
[22:59:34] <qrp> Our motor use their encoder
[23:00:25] <qrp> the low price make the cnc market have a revolution in china
[23:04:01] <qrp> before this 2500 per revolution is the standard for the servo motor
[23:14:08] <pcw_home> Umm... nonsense
[23:16:42] <pcw_home> besides 100K is easily done with incremental (its just 2.5 MHz A/B max at 6K RPM, trivially done with differential signaling)
[23:18:59] <qrp> in our experiment, spindle encoder, we can't solve the interfere
[23:19:24] <qrp> of course, we may have the different condition
[23:24:00] <pcw_home> Lots of things use these data rates with no interference (RT Ethernet fieldbuses get to 100 MBits/s 0 error without trouble, 2.5 MHz is trivial)
[23:26:13] <qrp> the rate depends on the signal device in encoder, usually RS485 deviece
[23:27:30] <qrp> as the encoder I see, usually AM26LS31
[23:27:50] <pcw_home> right and 100K counts/rev is only 2.5 MHz at 6K RPM well within the rance of common RS-422 devices
[23:30:03] <qrp> you should also think about the line of the mill spindle usually more than 15 meters, and the industry condition
[23:31:03] <Tom_itx> is the 5i25 & 6i25 the same save for PCIE?
[23:31:43] <qrp> ethernet have a complex agreement to ensure the correction , not just pulse, no check
[23:33:04] <abetusk> hey, I hope you don't mind me asking this question, it's not exactly LinuxCNC related. I'm using GRBL for my gcode interpreter and I'm beginning to suspect that it's loosing steps. It's very small, like only one or two, but enough and consistent enough that it's eating into some of the work that I want to do.
[23:33:29] <abetusk> Does LinuxCNC have some type of test procedure to verify the pulses sent out are actual truth? How do you test the algorithms?
[23:34:20] <abetusk> Or maybe more specifically, how do you ensure steps don't get lost, on a software level, when doing job planning?
[23:34:56] <abetusk> as in gcode to "stepper driver pulse" verification, if that makes sense
[23:37:11] <qrp> in my cnc, I have a software counter for calculate the pulse I have send, if gear ratio 1 : 1, the distance I have gone ,is the same as pulse number I counted
[23:38:21] <qrp> in the hardware test, I use a mirocontroller to counter the pulse, or see the monitor of the driver
[23:38:34] <abetusk> qrp, so an external pulse counter...interesting
[23:38:51] <abetusk> verified against how many pulses you think should be coming out
[23:39:38] <qrp> when testing, don't use radius compensation
[23:40:40] <qrp> if you don't use length compensation, easier, too
[23:42:59] <qrp> It's just my method, not represent for LinuxCNC
[23:45:39] <abetusk> but it's independent verification. How do know how many pulses should be sent out? Just a quick calculation?
[23:49:33] <pcw_home> 15M at 2.5 MHz is not an issue for RS422
[23:52:16] <pcw_home> You may need isolation or wide common mode recievers if you have large common mode noise
[23:55:16] <pcw_home> Most RT ethernet systems dont deal well with errors either (you lose RT aspect)
[23:55:50] <PetefromTn> well fellas we got rained out over here for Fireworks today unfortunately. Here's hoping you all had better luck or you spent some time running your LinuxCNC machines or something else fun LOL. Ordering some engraving cutters so should be able to run a test of this setup here soon. Pete, I look forward to seing this new addition to my system we spoke about earlier. Gonna be cool. Talk to you all tomorrow.. Peacce
