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[00:12:00] <andypugh> Interesting device, badly advertised. It's a semi-universal lathe, with a rise-and-fall carriage.
http://www.ebay.co.uk/itm/Metal-Lather-Ancillaries-/251264644560?pt=UK_Home_Garden_PowerTools_SM&hash=item3a808a35d0
[00:12:33] <andypugh> (and a dividing head built in to the tailstock)
[00:13:58] <andypugh> While I am at it, a complete control from a Hardinge HXL, including Hi-Ak drives. Currently £10.
http://www.ebay.co.uk/itm/GE-1050-CNC-CONTROL-HARDINGE-HXL-HLX-/121098056139?pt=UK_Home_Garden_PowerTools_SM&hash=item1c3201b1cb
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[00:16:24] <failsafe247> hey guys anyone wanna give me a rundown on the current state of the modbus lib?
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[00:16:49] <failsafe247> I wanna control my Hitachi wj200 VFD using a serial to RS485 adapter
[00:17:05] <failsafe247> which I already have all wired up nice and neat
[00:17:40] <failsafe247> I saw the wiki article. I also saw the libmodbus3 discussion
[00:18:24] <andypugh> I thought it was working, but I have never tried to use it.
[00:18:49] <failsafe247> FYI, I am using the Xenomia preview3-merged-into-master version of linuxcnc. Therefore, it should be just like regular "master" branch
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[00:19:55] <failsafe247> The version on the wiki probably does work, I just wanted to know if there were any "gotchas" I should know about before hand. Also, it seems there has been some recent develpoment around libmodbus3
[00:20:55] <failsafe247> I am just kinda tired working on getting my cnc router up and running 100%. Its been a bit of a draining experience
[00:22:15] <andypugh> You might do better on the mailing list, I suspect that there is likely to be nobody on here right now, and paying attention, who knows anything.
[00:22:28] <failsafe247> ha, thanks andy
[00:24:19] <failsafe247> I will attempt it using the steps on the wiki first then. If (I mean when) I run into trouble I'll post to the mailing list.
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[01:03:16] <PetefromTn> ...
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[01:16:14] <generic_nick> on analog brushed dc drives, where do you guys normally set the gain on the drive itself? im finding if the drive is tuned then the pid tuning in emc2 has to be set too low to be effective
[01:16:49] <generic_nick> ive been backing off the gain on the amp somewhat and raising the values in emc. seems to help, but not sure if that's right
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[01:17:41] <generic_nick> almost got my x axis tuned
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[01:26:16] <gamma-x> I think you will all be happy to know.. I got my x axis moving :)
[01:27:38] <Tom_itx> not as happy as you but... yes
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[01:28:00] <gamma-x> lol
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[01:32:10] <Tom_itx> did you stick with the suggested settings?
[01:35:24] <gamma-x> for the most part
[01:35:40] <gamma-x> only thing I need to get down furhter is acceleration/velocity etc..
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[01:48:02] <r00t4rd3d> fuhrer
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[01:59:43] <Connor> okay, so, question: How do you set LinuxCNC up so that it'll index the spindle to a specific position. (Nothing that it has a encoder with index..) Doing some preliminary configurations for PetefromTn machine using mine as a test bed..
[02:02:01] <PetefromTn> Connor: Dude you are MY HERO.... You're a Giant among men.....When you walk down the street, people get out of your way.... Oh and you are alright in my book LOL....
[02:02:20] <Connor> It's getting deep in here... .
[02:02:30] <Connor> :)
[02:03:11] <PetefromTn> Hells yeah it is....;)
[02:03:30] <Tom_itx> i'd say you use the index signal from the encoder
[02:03:39] <Tom_itx> that's what it's for
[02:04:01] <Tom_itx> then if you need to move it, count encoder ticks
[02:04:01] <Connor> Tom_itx: I know that.. I'm more trying to find out the specifics...
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[02:04:27] <Connor> But, since it's a spindle and not a axis.. I'm not sure how that's done.
[02:05:13] <Tom_itx> there is a 'spindle-index-enable pin
[02:05:22] <Tom_itx> signal.
[02:07:13] <Tom_itx> also spindle-request and spindle-toggle signals
[02:07:21] <Tom_itx> dunno what they're for just yet
[02:08:36] <Tom_itx> encoder.xx.position-latched
[02:08:49] <Tom_itx> may have something to do with the index signal
[02:09:03] <Connor> I was thinking they're was a hal component to do this..
[02:09:06] <PetefromTn> I went to K-town today and bought the West system epoxy so I can seal up the damn coolant troughs. I will be working on them tomorrow all day. I am going to paint them with an epoxy based industrial paint that is waterproof.
[02:09:20] <Connor> PetefromTn: Cool deal.
[02:09:34] <PetefromTn> yeah man hope it works..
[02:09:44] <Tom_itx> degrease them well first
[02:10:31] <skunkworks> http://www.youtube.com/watch?v=nUKGK1BFH_A&feature=youtu.be
[02:10:50] <PetefromTn> Actually gonna wire brush the crap out of them and then wipe them down with acetone....
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[02:11:57] <Connor> skunkworks: Is they're a orient hal component? if so, you know where the docs are for it ?
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[02:12:53] <Tom_L> http://www.linuxcnc.org/docs/html/hal/rtcomps.html#sec:Encoder
[02:13:40] <Connor> Tom_L ?
[02:14:02] <Tom_itx> that's all i've found so far
[02:16:05] <Connor> I found a manual entry for it...
[02:16:25] <Connor> man orient on a 2.6 version
[02:17:11] <Tom_L> http://www.linuxcnc.org/docs/html/man/man9/orient.9.html
[02:17:29] <Connor> Yup.. now to find a example of how it's used...
[02:17:42] <Tom_itx> write your own example
[02:19:13] <skunkworks> Connor: there are a few examples on the forum..
[02:19:19] <skunkworks> search for orient
[02:19:22] <Connor> I'm looking...
[02:19:35] <skunkworks> again - about 12 ways to skin the cat
[02:19:56] <Connor> okay.. back in a bit.
[02:19:58] <PetefromTn> lotsa cat skinnin' going on in here...
[02:20:48] <skunkworks> http://www.linuxcnc.org/index.php/english/forum/10-advanced-configuration/26073-spindle-orientation?start=10#31135
[02:24:04] <Tom_itx> what's the difference between 'touchoff to workpiece' and 'touchoff to fixture' as far as setting your z zero and active tool height?
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[02:24:58] <PetefromTn> just guessing here but probably would have the zero be top of fixture and the Z heights will be positive?
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[02:35:58] <Tom_itx> i figured out what i needed
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[02:43:10] <jdh> a bottle of tequila and one of those keno girls that can suck the chrome off a trailer hitch?
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[03:18:28] <Tom_itx> latest recorded day in the year for snow in this area
[03:18:30] <Tom_itx> .
[03:18:34] <Tom_itx> it's snowing
[03:18:41] <mrsun> hmm
[03:18:58] <mrsun> a laser for steel is it working the same as a torch for cutting steel ?
[03:19:07] <mrsun> heat it with lase oxidize with oxygen ?
[03:19:17] <Tom_itx> since they started keeping records back in 1889
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[03:48:23] <generic_nick> eww snow
[03:48:37] <generic_nick> screw that stuff
[03:50:53] <jdh> ,yep
[03:54:16] <generic_nick> havent seen snow in over a year
[03:58:20] <jdh> it snowed an inch or so here in feb 2012
[03:58:32] <jdh> schools shut down
[04:01:36] <generic_nick> lol
[04:01:43] <generic_nick> wheres here?
[04:02:25] <jdh> wilmington.nc.us.earth
[04:02:31] <generic_nick> ah
[04:02:49] <generic_nick> they dont get snow in nc?
[04:02:57] <jdh> sure, just not here
[04:03:08] <generic_nick> or are you more southern nc?
[04:03:13] <jdh> 80 miles west, they get snow, ice storms, etc
[04:03:21] <generic_nick> ah
[04:03:39] <jdh> south-east coast, ocean keeps it warmer
[04:04:46] <jdh> even in the winter, it's 70F+ if you go 50-70 miles east due to the gulfstream
[04:05:45] <mrsun> hmm when ordering on ebay ... i can select quantity of item i want but will there be an extra shipping cost for each quantity ?
[04:05:51] <generic_nick> yea i miss the atlantic for the warm water
[04:06:00] <jdh> mrsun: usually. check the 'shipping' tab
[04:06:15] <generic_nick> i live on the pacific now, the water is MUCH colder
[04:06:26] <mrsun> ahh
[04:06:32] <mrsun> each additional item 0.5 gpb
[04:06:41] <mrsun> so 9 gpb insted of 7 :P
[04:06:47] <mrsun> cool =)
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[04:11:58] <mrsun> wtf, if i go to the user it says "currently has no items for sale" but when i search i find items he has for sale? :P
[04:13:05] <mrsun> ahh there
[04:13:12] <mrsun> if i go to ebay.co.uk i can see the stuff :P
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[05:33:41] <r00t4rd3d> dead people?
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[05:35:52] <mrsun> you see ?
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[07:21:07] <Loetmichel> mornin'
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[08:12:17] <confrey> hi everybody
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[08:13:57] <confrey> hi everybodyu
[08:15:28] <confrey> I need some help, I've bought a cnc but all I have is a pin out configuration file, I need to use it with a laptop, I've a usb2parallel interface, I can see in messages the laptop sees a usblp0
[08:15:44] <confrey> but I dont' know where startinbg from
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[08:35:17] <confrey> is there anybody listening, please?
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[08:44:13] <Valen> usb to parallel is not a good plan for CnC
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[08:58:59] <confrey> Valen, I read about that, but I only want to try using this machine
[08:59:09] <confrey> to understand how it work
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[09:30:01] <Tom_itx> you probably won't get far with usb to parallel as he said
[09:32:23] <ProxDem> hum
[09:32:31] <ProxDem> usb to parallel doesn't assign IRQ to the parallel port
[09:32:38] <ProxDem> not sure you could even GET it working in the first place?
[09:35:05] <Tom_itx> especially being a noob
[09:36:14] <confrey> now I'm trying on a PC desktop
[09:36:39] <confrey> but I've to burn the live cd image, the PC doesn't boot from usb
[09:37:35] <ProxDem> Tom_itx: ?
[09:38:44] <Tom_itx> what?
[09:39:00] <ProxDem> refering to your previous statement =)
[09:39:25] <confrey> I was using Live UBuntu with CNC starting on it form usb pen
[09:39:38] <confrey> but I can't do it with PC desktop
[09:39:46] <confrey> I need to burn it on a CD
[09:39:57] <ProxDem> Tom_itx: I take it you were referring to confrey
[09:40:12] <Tom_itx> well he sounded rather noobish
[09:40:47] <ProxDem> lol
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[09:41:39] <confrey> excuse me, I can't understand all you mean, my English is not enough
[09:42:28] <confrey> I'm going to try using LinuxCNC witha PC desktop
[09:42:41] <confrey> by parallel port
[09:42:44] <confrey> but
[09:43:34] <confrey> what do I need to choose in Stepconf to setup the program, I've a list of pin settings, by the builder
[09:44:30] <Tom_itx> i've never used stepconf sry
[09:44:39] <ProxDem> confrey: well you'll have todo the maths on your TPI if it's ballscrews/leadscrews/whatever or if it's rack and pinions...and figure out how many degrees your steppers are
[09:46:34] <confrey> I've this datas
[09:47:12] <confrey> X and Y axis, 1600 steps/millimeter
[09:47:41] <confrey> and
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[09:47:59] <confrey> pin 1 high -> half step
[09:48:10] <confrey> I don't know what it means
[09:48:31] <ReadError> *facepalm*
[09:48:39] <confrey> Z axis 800 steps/millimeter
[09:49:01] <ReadError> that seems pretty high
[09:49:28] <ProxDem> holy crap
[09:49:31] <confrey> pin 1 : half step
[09:49:49] <confrey> pin 2 : x step
[09:49:54] <confrey> pin 3 : x direction
[09:49:55] <confrey> and so on
[09:50:26] <confrey> I'm traducing from an Italian document
[09:50:36] <confrey> I hope I'll do it fine
[09:51:01] <ReadError> maybe you should consult your controllers documentation?
[09:51:22] <ProxDem> confrey: do you have a link to the machine you purchased?
[09:51:23] <confrey> ReadError, it's all documentation I have
[09:52:15] <confrey> 1, half step, 2 step x, 3 direction x, 4 step y, 5 direction y, 6 step z, 7 direction z
[09:52:33] <confrey> and datas about how much steps for millimeter
[09:53:01] <ReadError> so put that in stepconf
[09:53:02] <ProxDem> 800steps per millimeter...assuming you have 200steps/rev means you would need 4 complete rotation to move 1mm
[09:53:13] <ReadError> ProxDem: could be microsteps...
[09:53:20] <ReadError> but still seems pretty high
[09:53:22] <ProxDem> ReadError: could be yes
[09:54:18] <confrey> the man I bought from, he's never used it, because he couldn't configure Windows software
[09:54:31] <ReadError> then check the manufactures site
[09:54:43] <confrey> the buyer said to him : you have a virus, the machine work well
[09:54:51] <confrey> no site
[09:54:55] <ProxDem> confrey: what is this "Machine"
[09:55:00] <ProxDem> hand made?
[09:55:03] <confrey> the plotter
[09:55:05] <confrey> yes
[09:55:25] <confrey> it's a little industry in Milan
[09:55:28] <confrey> Ontron
[09:55:36] <confrey> but his site si down
[09:56:44] <confrey> I called by phone, I talked with a gentle person, but he told me I need to use a W98 PC, and he knows about some customers using it with EMC2
[09:56:55] <confrey> but only by parallel
[09:57:01] <confrey> or arduino (?)
[09:57:06] <ReadError> then you should call them back, and ask for the manual
[09:57:13] <confrey> but he cna't help me about
[09:58:12] <confrey> he said I 've to set the program regarding pin numeration as the document I altready have
[09:58:40] <confrey> now I'll go to install linuxcnc on the PC desktop
[09:58:59] <confrey> meybe we'll see abit later, from there
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[10:12:11] <confrey> so as you said, we'll not use a laptop to drive a cnc with linuxcnc?
[10:12:29] <confrey> I mean a parallel cnc
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[10:17:03] <ProxDem> confrey: laptops are not recommended for most cnc applications...they can work but it's not the best choice
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[11:02:45] <mrsun> hmm how to mount pulley to a steper that does not have a flat on it so it sits ? :)
[11:02:51] <mrsun> is it just loctite ?
[11:04:51] <jthornton> does the pulley have a set screw?
[11:06:04] <mrsun> jthornton, the ones im going to order .. no but i can add one :P
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[11:09:19] <mrsun> and the stepper shaft is totaly round ... so im afraid it will slip even with set screw ?
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[11:10:41] <jthornton> file a flat where the set screw will touch the shaft
[11:10:58] <jthornton> use a cup point set screw
[11:11:11] <mrsun> hmm that might work =)
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[11:11:30] <jthornton> it will work
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[11:27:30] <Tom_itx> grind a flat on it
[11:27:54] <Tom_itx> if you stab it with a pointed set screw, it will make it harder to ever remove the pulley
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[11:30:20] <Tom_itx> jthornton, your tutorals saved the day again
[11:31:57] <Tom_itx> i keep forgetting the 'touch to work' instead of 'touch to fixture' selection
[11:32:32] <jthornton> I'm glad someone reads them :)
[11:33:04] <Tom_itx> i don't change the setup often enough to remember
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[11:47:52] <jthornton> that's why I made some pyvcp buttons on my lathe for touch off
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[11:59:21] * jthornton is off to SpyderFest today
[11:59:56] <jthornton> http://www.spyderfest.com/
[12:00:30] <skunkworks> jthornton, have fun!
[12:02:12] <jthornton> thanks, I'll bring a bar of soap and save the motel water as it looks like we might get into some rain
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[12:02:30] <GammaX> mornin all
[12:03:06] <jthornton> what are you working on today
[12:03:58] <GammaX> today... I will be completing the setup of the steppers hopefully.. And lastly finishing up my first cad drawing... only thing I gotta figure out is how to place threads in holes I already have...
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[12:04:25] <jthornton> a tap?
[12:05:09] <GammaX> yup
[12:18:20] <GammaX> had a nightmare last night about my z axis stepper not ligning up with ball screw and my couplers are straight shaft lol
[12:23:34] <Tom_itx> jthornton, i may have you show me those pyvcp buttons sometime
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[12:45:13] <JT-Shop> Tom_itx: ok when I get back, I don't see it anywhere on line
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[13:06:33] <Loetmichel> wahh: chinese quality... after just 10 days of 8hr work the first part of the CNC6040 has broke:
http://www.cyrom.org/palbum/main.php?g2_itemId=14193
[13:06:47] <Loetmichel> (thats the "clutch" of the gantry (x) stepper
[13:07:23] <Loetmichel> ... have mended it, lest see when the next will break... ->
http://www.cyrom.org/palbum/main.php?g2_itemId=4276&g2_page=62
[13:07:49] <Loetmichel> oh sorry, right link:
http://www.cyrom.org/palbum/main.php?g2_view=core.DownloadItem&g2_itemId=14197&g2_serialNumber=2
[13:07:53] <Loetmichel> wahhh
[13:08:01] <Loetmichel> still the wring link
[13:08:11] <Loetmichel> http://www.cyrom.org/palbum/main.php?g2_itemId=14196
[13:08:16] <Loetmichel> THIS is the right one ;-)
[13:08:33] <GammaX> THeres a reason why I didnt buy those! lol
[13:08:57] <jdh> hey... I have a 3phase brake motor. The brake release is driven off 2 phases of motor power. The brake seems sluggish. Motor is running at 16Hz. Is the low freq. related to slow brake release?
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[13:10:40] <GammaX> Loetmichel if you can do it... buy some straight shaft ones I have some from dumpstercnc, theremade of delrin I believe but hold up well so far
[13:11:05] <GammaX> may switch to steel or brass once I get my lathe setup!
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[13:14:32] <Loetmichel> i will do
[13:14:49] <Loetmichel> more likely i will make oldenham type couplings
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[13:33:08] <ssi> anyone know where I can get a 140VDC power supply to run servos?
[13:33:16] <ssi> 1500W should do it I think
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[13:37:41] <jdh> rectifier + caps?
[13:37:58] <ssi> in that case, got a transformer in mind?
[13:39:06] <jdh> nope. 15amp 120vac + bridge should give you a little more than you need ?
[13:40:37] <gonzo__> a 55-0-55 isolation transformer, used for site work?
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[13:44:05] <L84Supper> ssi: what are you starting with, 120VAC?
[13:44:36] <ssi> yes
[13:45:05] <ssi> or possibly 220vac
[13:45:36] <ssi> the way the old control is set up, I think it gets one phase from the mill's 3ph mains
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[13:51:42] <L84Supper> http://www.hammondmfg.com/pdf/5c007.pdf this is how to find the DC output voltage based on rectifier setup and AC input
[13:57:37] <jdh> nice sheet
[13:59:30] <L84Supper> http://tinyurl.com/bbvdc6r if you have 220, then a trasnformer tapped like this + a full wave bridge will work
[14:00:27] <ssi> that'd work... it's a bit bigger than I'd like :P
[14:00:33] <ssi> shipping's a bit excessive
[14:00:33] <ssi> heheh
[14:00:48] <L84Supper> see what you can track down
[14:00:55] <ssi> i'm in the process of gutting the old centroid control now... I want to figure out what they were using to power these servos
[14:01:02] <ssi> because they don't have any significant iron in here
[14:01:04] <ssi> I think ti's a switcher
[14:04:57] <ssi> er
[14:05:02] <ssi> maybe the centroid drive takes AC
[14:05:06] <ssi> that'd be annoying
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[14:06:40] <ssi> yea this switcher is just +12/+5
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[14:13:14] <Nick001> <ssi> are you around the hardinge files?
[14:13:21] <ssi> yea I can be
[14:13:24] <ssi> gimme a few minutes
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[14:14:06] <Nick001> thanks
[14:17:48] <L84Supper> http://www.copleycontrols.com/motion/pdf/pst_psx.pdf PSX-140-10-1 +140VDC @ 10A continuous
[14:20:26] <ssi> I saw that, but I couldn't find anyone that listed a price
[14:20:31] <ssi> which means it's way too much money :P
[14:21:07] <L84Supper> google is lousy at finding switching supplies
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[14:28:20] <ssi> so it looks like there's a trasformer and a recitfier/cap in the mill's power box
[14:28:36] <ssi> and it sends drive power to the centroid over the same cable that carries the centroid's 120v
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[14:36:44] <confrey> hi everybody
[14:36:56] <jdh> <everybody> Hi!
[14:38:53] <confrey> I'm still here trying to operate with a handmade plotter, I must use a usb2parallel adapter because at moment I can't use a PC parallel provided
[14:39:19] <jdh> won't work
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[14:40:03] <confrey> using Stepconf, I have to insert the hardware address of parallel port, because of using the usb2parallel adapter, creating a usblp0 device, is there a way to inform Stepconf about that?
[14:40:23] <confrey> won't work or work not well?
[14:40:28] <skunkworks> no - usb - parallel port adaptors don't work
[14:42:07] <confrey> and how to fix it if it's present a usb laptop only?
[14:42:35] <L84Supper> a laptop is bad to begin with
[14:42:42] <confrey> can't I write on parallel I/O pin by usblp0?
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[14:43:11] <cpresser> confrey: you would need to create a usblp realtime hal component
[14:43:37] <skunkworks> usb isn't realtime enough to do step generation with linuxcnc...
[14:43:41] <cpresser> that would work, but not usable. because usb is _not_ realtime
[14:43:53] <L84Supper> or it will only work with slower steppers
[14:44:31] <skunkworks> your only option I see is something like mach3 and usb smoothstepper or any other device that moves realtime stuff out of the computer.
[14:44:37] <L84Supper> I forget the latency on USB, IIRC you might be able to get 1-2K steps/sec
[14:44:53] <cpresser> L84Supper: the problem is jitter. usb uses polling. each cycle may be up to 64ms long
[14:45:20] <confrey> in order,please
[14:45:34] <cpresser> in reality, its way faster than that 64ms, but its not guaranteed
[14:45:37] <confrey> give me some ways to get
[14:45:41] <L84Supper> 16 steps/sec :)
[14:45:56] <cpresser> confrey: dont use usb. as easy as that :)
[14:46:10] <cpresser> at least not with linuxcnc.
[14:46:12] <confrey> cpresser, excuse me, I have it only
[14:46:32] <confrey> what's about creating that realtime hal component
[14:46:56] <confrey> or using mach3 ? what is it? another cnc stuff like EMC?
[14:47:28] <cpresser> realtime-usb-hal has not been done yet. if you are confident with kernel hacking, go for it. but it may eat up several hundret hours programming.
[14:47:54] <cpresser> the easiest way would be to get another computer with a 'real' parport. problem solved
[14:48:16] <cpresser> or use mach3, which is a windows cnc-controller. there are some usb-soultions out for that sofware
[14:48:42] <L84Supper> http://stackoverflow.com/questions/13831008/what-is-the-minimum-latency-of-usb-3-0
[14:49:17] <kthk> a pcmcia real parport is avilable
[14:49:23] <confrey> cpresser, thanks very much, is much3 requiring realtime too?
[14:49:54] <confrey> kthk, I haven't pcmcia... :(
[14:50:07] <cpresser> mach3 is a complete different software.
[14:50:17] <cpresser> the term 'realtime' does not apply to it
[14:50:49] <confrey> but if I may use a parport on pcmcia, I have a old but still efficient laptop, with pcmcia
[14:50:51] <kthk> mach3 is windows realtime parport driver whish is only xp no 7 or 8
[14:51:32] <confrey> kthk, I mean, pcmcia -> real parport -> realtime in linux, is it possible?
[14:52:04] <kthk> the pcmcia parport is real partport under c000 address
[14:52:14] <confrey> cpresser, in you opinion, may that much3 run well in a virtualbox hosted machine?
[14:52:24] <L84Supper> we talked about writing USB kernel driver that would capture a port and keep it, similar to virtualbox, but it still won't guarantee you very fast stepping
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[14:52:40] <cpresser> confrey: not at all
[14:53:31] <cpresser> in fact, i cant think of a setup worse than your proposal :)
[14:54:08] <cpresser> L84Supper: seems my 64ms were wrong. i wonder where i picked up that number :/
[14:54:20] <kthk> all usb realtime is a hardware realtime gcode outboard machine connect between laptope and stepper controller
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[14:55:35] <kthk> confrey: pcmcia realport linuxcnc is what i am running
[14:55:45] <confrey> L84Supper, I have a doc about this plotter, it provide 1600 step/millimeter, the buyer said to me it's not fast, 1.7 mm/sec
[14:56:06] <JT-Shop> see you guys Sunday!
[14:56:15] <confrey> kthk, and what adapter do you have?
[14:56:32] <kthk> a pcmcia partport
[14:56:39] <kthk> parport
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[14:59:09] <kthk> made is china cheap plugin to linux and run dmesg
[14:59:51] <kthk> [18341.116414] PCI parallel port detected: 9710:9805, I/O at 0x4010(0x4018), IRQ 16
[14:59:51] <kthk> [18341.116493] parport1: PC-style at 0x4010 (0x4018), irq 16, using FIFO [PCSPP,TRISTATE,COMPAT,ECP]
[14:59:51] <kthk> [18341.211772] lp1: using parport1 (interrupt-driven).
[15:00:15] <confrey> kthk, will this be ok?
http://www.ebay.it/itm/PCMCIA-auf-1x-Parallel-DB25-Adapter-Notebook-13-/310216424711?pt=DE_Computer_Sonstige&hash=item483a56fd07&_uhb=1#ht_2292wt_1275
[15:01:48] <kthk> looks ok to me but i carry my laptop and test is before i pay.
[15:03:44] <kthk> I pay us$10
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[15:28:06] <skunkworks> confrey, does your laptop run the latency test with good results?
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[15:39:13] <confrey> skunkworks, I don't know what are good results... can you give me an idea?
[15:40:01] <skunkworks> http://www.linuxcnc.org/docs/2.5/html/config/stepconf.html#latency-test
[15:41:27] <skunkworks> under 50000ns for sure - under 20000 for decent step performance. (but it really depends on how many steps per second you need or want)
[15:42:36] <confrey> skunkworks, wait a minute, I'll do that test right now
[15:43:59] <confrey> skunkworks, about 24 ms
[15:44:09] <skunkworks> ms?
[15:44:19] <confrey> microseconds
[15:44:23] <skunkworks> us
[15:44:37] <confrey> now
[15:44:43] <confrey> 30770 ns
[15:44:54] <skunkworks> let it run for a while.. surf and such.
[15:45:10] <confrey> 32 us
[15:45:19] <confrey> it raises
[15:45:35] <skunkworks> minimum of 15 minutes
[15:45:52] <confrey> but if I can't resolve the usb2parallel problem, it's not useful
[15:46:35] <skunkworks> right - but don't buy a pcmcia card if the system doesn't have good performace...
[15:48:07] <confrey> 34 us now
[15:49:07] <confrey> but what's kind of system do I need... I have a laptop with a i5 2.3 GHz, 4 GB RAM, not enough to run some small codes?
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[15:52:27] <pcw_home> Latency (one measure of real time performance) its not directly related to CPU horespower
[15:54:15] <pcw_home> An Intel Atom MB with maybe 1/8 the raw horsepower of the I5 can easily beat 34 uSec
[15:57:01] <pcw_home> You may do better if you can disable some power saving features,
[15:57:03] <pcw_home> but this may not be possible or be risky on a laptop, which is why
[15:57:04] <pcw_home> laptops are not suggested LinuxCNC platforms
[15:58:17] <confrey> I understand
[15:58:36] <confrey> and what's about raspberry?
[16:00:23] <pcw_home> Several ARM targets are being worked on now (Raspberry BeagleBone etc)
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[16:01:05] <skunkworks> The consensus is the rasberry is a bit underpowered to run the os and linuxcnc.
[16:01:59] <pcw_home> The BeagleBone is probably a much better target
[16:04:22] <confrey> ok, it's enough for today
[16:04:39] <confrey> many thanks to all you
[16:04:42] <confrey> bye
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[16:05:06] <L84Supper> laptops use SMI for ACPI and the embeded controller (small uC used to charge the battery, lid open/closed, GPIO)
[16:06:13] <L84Supper> you can't kill it on a latop so if some power management activity starts up, the OS gets put on hold
[16:06:13] <ssi> here's something I'd like to see happen
[16:06:17] <ssi> http://www.kickstarter.com/projects/435742530/udoo-android-linux-arduino-in-a-tiny-single-board
[16:06:24] <ssi> that quad core arm might have the horsepower to do it
[16:06:30] <ssi> and it has an arduino mega shield pinout
[16:06:49] <ssi> what would be awesome, is to put a RAMPS board on there, and have linuxcnc capable of controlling five axes of small steppers through the RAMPS
[16:07:14] <L84Supper> a no brained to design as well
[16:07:19] <L84Supper> brainer
[16:07:24] <ktchk> a reprap
[16:07:48] <ssi> like a reprap, but linuxcnc instead of marlin or sprinter or whatever
[16:08:12] <ktchk> a reppar can take gcode
[16:08:19] <L84Supper> http://cubieboard.org/
[16:08:31] <pcw_home> low bandwidth connection between processors means it probably a bad match for LinuxCNC
[16:09:32] <L84Supper> I never understood the hubub with Arduino
[16:09:39] <pcw_home> (At least until something like MachineKit can run on the 'Arduino part')
[16:09:45] <L84Supper> even that name turned me off
[16:10:08] <WalterN> I thought arduino was just a C library
[16:10:51] <WalterN> L84Supper: BTW the laser burns stuff pretty well :3
[16:10:57] <L84Supper> maybe it started out that way, but there the whole IDE and the boards
[16:11:18] <L84Supper> WalterN: sounds like it's working
[16:11:27] <WalterN> yeah
[16:11:47] <WalterN> I can faintly see the laser beam too... was kinda surprised
[16:12:14] <carper64_lb> well why not go th whol pro route and use th TB 6060
[16:12:39] <ssi> pcw_home: yeah one thing I was unclear on is whether the arm can talk directly to the shield pinout
[16:12:42] <ssi> I'm guessing it can't
[16:12:48] <WalterN> L84Supper: I think the fiber optic cable might have issues though... the end of it likes to heat up a fair bit
[16:12:51] <L84Supper> can they just call them boards and add on cards, wtf is a shield? My first though is what is it shielding vs enabling or expanding
[16:13:36] <ssi> pcw_home: how much bandwidth would you need between them to make it feasible?
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[16:14:20] <L84Supper> WalterN: it's not 100% efficient, it might need polishing. How hot?
[16:14:59] <L84Supper> any dirt on the optics will heat up as well
[16:15:54] <pcw_home> Probably a MByte/sec or so as a minimum (and no USB)
[16:16:06] <WalterN> well, hot enough that after pointing it at things for a while I cant hold the metal end of it without it being uncomfy
[16:16:09] <WalterN> how do you polish such a thing?
[16:16:35] <ssi> pcw_home: I believe it's a uart between them, and maybe 250kbaud top rate between them
[16:16:45] <ssi> so that falls short by 32x or so :/
[16:18:00] <ssi> pcw_home: although it looks like you can actually drive the shield pins directly from the arm... that might make it feasible
[16:18:23] <ssi> someone replied to my comment:
[16:18:26] <ssi> "@Ian: Check out the block diagram linked in the latest update, it looks like the PWM, Communication and Digital I/O Arduino connectors (so, everything except the analog pins, I guess) are interconnected. And "each pin can be *individually* configured to be driven by one or by the other processor. Configuration is done via software.""
[16:18:36] <ssi> "It also says you can have one processor monitor the output of the other on each pin, as long as you're careful to not set both processors to output on the same pin."
[16:18:49] <skunkworks> I think andy had sued the smart serial on the mesa to do realtime comunication with a arduino... (using i/o not the onboard usb connection)
[16:18:54] <WalterN> L84Supper: yeah... I managed to get something on the surface on one of the lenses that it came with... and kinda melted it.. a lot... lol
[16:19:01] <skunkworks> *used
[16:19:18] <ssi> sserial is something I really want to mess with
[16:19:29] <ssi> btw, the 5i25/7i77 combo is really stinkin hot
[16:19:34] <ssi> I'm very impressed so far
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[16:20:15] <skunkworks> mesa is awesome
[16:20:25] <ssi> yes, definitely :D
[16:20:33] <WalterN> L84Supper: so how do I polish the end of a fiber optic cable?
[16:20:40] <L84Supper> http://liliputing.com/2013/04/99-mars-board-dev-board-features-freescale-i-mx6-dual-processor.html
[16:20:50] <ssi> WalterN: 2000 grit sandpaper and a fixture to keep it square
[16:20:52] <pcw_home> I think the beaglebone is a much better LinuxCNC ARM target than the UDOO
[16:21:05] <ssi> pcw_home: I have a beaglebone black coming as well
[16:21:16] <ssi> pcw_home: you gonna design some super slick interface hardware that works with it?
[16:21:44] <ktchk> http://www.eeboard.com/shop/?c=products&a=view&id=221
[16:21:47] <WalterN> ssi: how about some liquid polish... like mother mags or something?
[16:22:06] <ssi> I have a fiber kit somewhere, lemme go grab it
[16:22:13] <pcw_home> Possibly (I have a cubieboard FPGA card as a test)
[16:23:31] <ssi> that would be spectacular :D
[16:24:02] <WalterN> hmm
[16:24:16] <WalterN> I'm not sure if mine is plastic fiber optic, or glass
[16:24:34] <WalterN> probably plastic?
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[16:29:00] <ssi> so the kit I've got is for data cables, but it has little discs that hold the end of the fiber square, and a glass plate with a sheet of rubbery ultrafine abrasive
[16:29:26] <WalterN> hmm
[16:30:24] <WalterN> ssi: the cable I have has a brass thing around it... for support and keeping it square in a given fixture
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[16:30:38] <WalterN> (I guess)
[16:31:25] <WalterN> ssi: I might need to shave back some of the brass to get it all flush
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[16:35:54] <ssi> or just polish it all as one piece
[16:36:06] <ssi> Nick001-Shop: I haven't forgotten about you
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[16:39:18] <ssi> Nick001-Shop:
http://www.usedforcomparison.com/hnc/
[16:39:48] <L84Supper> http://www.ebay.com/itm/600um-core-1m-Optical-Fiber-4-1064-980-808-660-561-532-473-445-405-355nm-lasers-/321112974452?pt=LH_DefaultDomain_0&hash=item4ac3d32474
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[16:40:17] <ssi> Nick001-Shop: running out to lunch; I'll be around in a bit to answer questions
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[16:42:16] <L84Supper> http://www.ebay.com/itm/1m-200um-core-MM-Optical-Fiber-4-1064-980-808-660-561-532-473-405-355nm-lasers-/321112975181?pt=LH_DefaultDomain_0&hash=item4ac3d3274d
[16:43:14] <WalterN> L84Supper: oh, thats cheap... hmm
[16:43:28] <WalterN> how thick is that cable?
[16:43:34] <L84Supper> still need connectors
[16:43:49] <L84Supper> but if the fiber is bad
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[16:43:54] <L84Supper> specs are all there
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[16:44:39] <L84Supper> http://www.ebay.com/itm/Fiber-Optic-Cable-Optical-Laser-Single-Fiber-assembly-ss-251-/150913168402?pt=LH_DefaultDomain_0&hash=item2323203412
[16:44:40] <WalterN> it talks about core size, not overall
[16:45:00] <L84Supper> WalterN: you might a complete assembly with connectors
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[16:45:40] <WalterN> L84Supper: I might be able to disassemble the one it came with, or make my own
[16:46:52] <WalterN> SMA 950 is the type of connecter it has evidently
[16:47:00] <WalterN> donno if that is a standard thing or not
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[16:47:13] <WalterN> erm
[16:47:17] <WalterN> SMA 905
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[16:57:50] <t12> free space laser!
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[17:02:05] <ReadError> is there any such tool to replot existing gcode?
[17:02:14] <ReadError> I love hsmxpress, but its hard to do sheets
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[17:08:11] <skunkworks> replot?
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[17:09:51] <IchGuckLive> hi all B)
[17:12:56] <ReadError> skunkworks: basically add offset to the x and y cords
[17:13:14] <ReadError> like if I have some gcode, and want to lay it down on a 12x24" sheet
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[17:13:28] <ReadError> aspire does it....but im not a huge fan of its options
[17:13:41] <jdh> nesting multiple copies?
[17:13:46] <jdh> or just offsetting one at a time?
[17:13:59] <IchGuckLive> nesting is sheetcam good
[17:14:12] <IchGuckLive> also nestprofessor on the inet is
[17:14:43] <IchGuckLive> ReadError: or simply ofsetting gcode
[17:14:45] <ReadError> jdh: well i have like 4 parts i want to lay out
[17:15:11] <jdh> you can use multiple work offsets, or g92
[17:16:12] <IchGuckLive> a pic for better id
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[17:17:21] <ReadError> they are all pretty simple 2d parts
[17:17:42] <IchGuckLive> so why not multiply on dxf
[17:18:03] <ReadError> well i like the options in hsmxpress
[17:18:07] <ReadError> it makes really nice gcode
[17:18:37] <IchGuckLive> g-code is g-code postprozess is the factor
[17:19:39] <ReadError> toolpath creation*
[17:19:44] <ReadError> ;)
[17:20:04] <IchGuckLive> O.O for short G0
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[17:21:53] <IchGuckLive> a strait is a strait and a curve is a curve lots of posts do cut lines into shorter and curve into lines
[17:22:41] <IchGuckLive> ReadError: 2d parts mill or plasma
[17:22:42] <ReadError> but complex curves and ways of doing stuff..
[17:22:49] <ReadError> mill/router
[17:22:57] <ReadError> theres plenty of 3d though
[17:23:15] <IchGuckLive> from dxf
[17:24:01] <IchGuckLive> we are goiing away from yourr prob
[17:24:33] <IchGuckLive> so ony 2d and offsets copy? or displaced
[17:24:34] <ReadError> no, 3d in the toolpath
[17:24:49] <ReadError> entry, exits, spirals etc
[17:24:50] <IchGuckLive> 2.5D with Z move
[17:24:53] <ReadError> yes
[17:25:49] <IchGuckLive> then i dont understand your simple problem
[17:26:04] <IchGuckLive> 4parts 2D on 12x23
[17:26:32] <IchGuckLive> 4 different parts from different source
[17:27:02] <IchGuckLive> or 4 identical ,maybe 4 parts with copies
[17:27:05] <ReadError> well they are all generated using the same postprocessor
[17:27:19] <IchGuckLive> as it shoudt
[17:27:31] <ReadError> i was thinking there was something that would say, okay, x=1 in this one, but you want to put it here, so let me add 3.5 to x
[17:27:57] <IchGuckLive> ah there we go displacing
[17:28:00] <jdh> work offsets
[17:28:14] <IchGuckLive> yes jdh
[17:28:31] <IchGuckLive> so use G54 for the first part
[17:28:35] <jdh> or g92
[17:28:40] <IchGuckLive> and G55 for the second
[17:29:15] <ReadError> but my point is, is there any application that will do that for me in a visual fashion ?
[17:29:20] <IchGuckLive> or as JD Travel to X3.5 and get G92 X 0
[17:29:41] <ReadError> im a visual kind of person, its nice to see what im working with and adjust on the fly
[17:29:53] <IchGuckLive> yes qcad but on dcf
[17:29:57] <IchGuckLive> dcf
[17:30:02] <IchGuckLive> x
[17:32:22] <IchGuckLive> ReadError:
http://www.youtube.com/watch?v=pUNsSWRZdzI this is live nesting
[17:33:16] <IchGuckLive> look at the green laser that moves the shapes
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[17:40:14] <IchGuckLive> better vid here at 1:05
[17:40:25] <IchGuckLive> http://www.youtube.com/watch?v=el9jkOAlaJA O.O
[17:42:04] <ReadError> 1 moment finishing cutting
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[17:44:02] <DJ9DJ> namd
[17:44:09] <jdh> namaste
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[17:54:32] <ssi> anyone know of good reasonably priced enclosures for mounting servo drives and interface hardware in?
[17:54:52] <Tom_itx> i found mine on ebay
[17:55:03] <jdh> I found mine on eBay
[17:55:18] <Tom_itx> very nice enclosure for cheap
[17:55:20] <ssi> what would you search for? :D
[17:55:33] <cradek> did you check your local junkyard?
[17:55:34] <jdh> enclosure
[17:56:00] <ssi> http://www.ebay.com/itm/Wiegmann-A121204-Enclosure-NEMA-1-16-Ga-12-x-12-x-4-DI3-/271191539694?pt=LH_DefaultDomain_0&hash=item3f24467fee
[17:56:04] <ssi> something like that might work
[17:56:47] <jdh> I thought the one I bought was huge. I could have used a little more room.
[17:56:58] <Tom_itx> search for rital
[17:57:01] <Loetmichel> ssi: or buy 1mm steel sheets, a saw and a MAG welder ;-)
[17:57:11] <Loetmichel> ... and some paint ;-)
[17:57:41] <Tom_itx> http://www.ebay.com/itm/RITAL-099323-ELEKTROBOX-ENCLOSURE-NEW-OUT-OF-A-BOX-/310620545393?pt=LH_DefaultDomain_0&hash=item48526d6171
[17:57:47] <ssi> that'll be the most expensive box ever
[17:57:55] <ssi> and I already have all the tools :P
[17:58:16] <ssi> Tom_itx: that looks a bit small
[17:58:39] <Tom_itx> mine was an AE1380
[17:58:48] <Tom_itx> but i didn't need a big oen
[17:59:15] <ssi> I guess there's not really any reason it needs to be metal either
[17:59:27] <Tom_itx> rital are heavy duty
[17:59:37] <ReadError> i got 3 sheets of 12x24" 2mm CF today ;)
[17:59:40] <ReadError> should be fun
[17:59:49] <ssi> lasercuttin it?
[18:00:00] <ReadError> nah, router
[18:00:03] <ssi> ah
[18:00:06] <ReadError> i got the HEPA though
[18:00:07] <ssi> vacuum up the chips
[18:00:09] <ssi> that stuff can be nasty
[18:00:12] <ReadError> yup
[18:00:21] <ReadError> g10 isnt pretty either
[18:00:25] <ssi> I cut a carbon fiber instrument panel for my airplane
[18:00:31] <ssi> manually on my bridgeport
[18:00:48] <ReadError> i got a dustboot and shopvac with a HEPA
[18:00:53] <ReadError> atleast to cut down on some
[18:00:56] <ReadError> surely it doesnt get it all
[18:01:28] <ReadError> i need a better source
[18:01:34] <ReadError> dragonplate is expensive
[18:01:40] <ReadError> mcmaster only has like 3 thickness
[18:01:44] <Loetmichel> ssi: metal is the easiest for shiedling/protecting you
[18:01:52] <ssi> Loetmichel: true
[18:02:32] <Loetmichel> i have a chinese gantry at the company... where we have some RF measurement chambers.....
[18:02:39] <ssi> https://sphotos-b.xx.fbcdn.net/hphotos-ash3/532469_953658599072_1742394259_n.jpg
[18:02:53] <Loetmichel> the VFD gets the Spectrimanalyzers to voerload when the chamber door is open
[18:03:03] <ssi> no VFD in this project so far
[18:03:14] <Loetmichel> and its about 15 meters from workshop to the chamber door
[18:04:29] <ReadError> did you mold that ssi?
[18:05:01] <Loetmichel> ssi: lasercutting CF isnt very good
[18:05:07] <ssi> ReadError: no, a friend of mine did
[18:05:13] <ssi> he works in the composite shop at delta
[18:05:24] <ssi> he's a wizard with glass/CF
[18:05:24] <Loetmichel> being a composite the stuff dont cut very well with a laser
[18:05:35] <Loetmichel> it heats up too unevenly
[18:05:37] <ssi> Loetmichel: it doesn't cut very well with much of anything
[18:05:41] <ssi> waterjet is probably best
[18:05:43] <Loetmichel> have tried FR4 and CF
[18:05:56] <ssi> it dulls the shit out of edged tooling
[18:06:10] <Loetmichel> waterjet is also bad because it delaminates the sheets of Carbon
[18:06:24] <Loetmichel> best is still a TC mill bit with diamond coating
[18:06:59] <Loetmichel> or a tc 3mm drill and insane F ;-)
[18:07:00] <Loetmichel> http://www.youtube.com/watch?v=mj8sGEf8Wf8
[18:07:24] <Loetmichel> (thats 1.5mm CF there)
[18:09:17] <ReadError> ssi: i found tooling that ROCKS for CF/FR4
[18:09:22] <ReadError> dirt cheap too
[18:09:29] <ReadError> drillman1 in texas
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[18:11:37] <Loetmichel> ssi: these bits can do about 100m mill path in CF:
http://www.cyrom.org/palbum/main.php?g2_itemId=2967
[18:11:55] <Loetmichel> they are Fishtail, diamond cut, diamond dust coated
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[18:13:50] <ReadError> http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=380628525695
[18:14:09] <ReadError> http://www.ebay.com/itm/10-1-8-1250-DIAMOND-CUT-CARBIDE-ROUTER-BURRS-FT-Kyocera-Tycom-/380617170818?_trksid=p2047675.m1850&_trkparms=aid%3D222002%26algo%3DSIC.FIT%26ao%3D1%26asc%3D11%26meid%3D7193384573537806355%26pid%3D100011%26prg%3D1005%26rk%3D2%26sd%3D380603244029%26
[18:15:42] <ssi> cool, thank
[18:15:58] <ReadError> drillman1 is solid
[18:16:02] <ssi> those would work well in the little engraver machine I'm building
[18:16:05] <ReadError> he ships fast, get them in about 2 days
[18:16:11] <ReadError> hes got all different sizes of stuff too
[18:16:47] <ssi> here's what went in that panel btw
[18:16:48] <ssi> https://sphotos-b.xx.fbcdn.net/hphotos-snc6/706207_956207496062_428749677_o.jpg
[18:19:43] <FinboySlick> archivist:
http://vimeo.com/64621406 might appeal to the clockmaker in you.
[18:20:03] <FinboySlick> Looks like a Bond villain speedboat.
[18:20:55] <ssi> how the hell do they make the cylinders?
[18:21:33] <FinboySlick> With a lot of care and patience?
[18:21:43] <ssi> subtractively or additively?
[18:22:08] <FinboySlick> I don't know. Either way, they did a good job on the finish.
[18:22:16] <ssi> its gorgeous
[18:24:31] <FinboySlick> You think they paid for the tunes or will they get sued for copyrights violations?
[18:24:42] <ssi> hahaha
[18:25:51] <ssi> so anyone ever used the AMC servo drives?
[18:25:59] <ssi> I've had three of them for about a year but I've never so much as hooked one up
[18:26:03] <ssi> have three more coming for this project
[18:26:40] <FinboySlick> I'm so eager to have room so I can do all the tweaking needed on my mill.
[18:27:36] <Loetmichel> ReadError: normal TC bits. holding about 10 meters in carbon
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[18:27:55] <Loetmichel> the diamond clad type ofh these bits hold 100 meters
[18:28:04] <Loetmichel> s/hold/live
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[18:32:03] <ReadError> yea i cut a lot of G10
[18:32:07] <ReadError> and they hold up awesome
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[18:44:39] <Jymmm> jepler: cradek SWPadnos
http://physicsdatabase.com/book-list-by-title/ H #2 is pretty good
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[18:57:26] <Nick001-Shop> <ssi> could you resend those files - I'm on a different computer with Chatzilla - maybe it'll work this time
[19:00:49] <archivist> <ssi> Nick001-Shop:
http://www.usedforcomparison.com/hnc/
[19:04:08] <ssi> yeah, that
[19:05:03] -!- oliverox has quit [Ping timeout: 245 seconds]
[19:15:43] <Jymmm> ~~~~~ Introduction to PID Controllers - Theory, Tuning and Application to Frontier Areas --
http://www.intechopen.com/download/books/books_isbn/978-953-307-927-1 (3.9MB zipped pdf)
[19:15:55] <Jymmm> pcw_home: ^^^
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[19:24:24] <Nick001-Shop> thanks for the files - good starting point - have to still modify them because of machine differences but that's ok
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[19:28:56] <ssi> Nick001-Shop: no problem... let me know if you have any questions about any of it
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[20:20:49] <Nick001-Shop> <ssi> what mesa cards are in the hardinge?
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[20:24:49] <generic_nick> yay, all servos are relatively tuned. can use the machine today.
[20:29:32] <ssi> Nick001-Shop: 7i49 and I think a 7i42
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[20:29:57] <ssi> bear in mind that if you have the same resolvers that I do, that you'll need a 7i49HV
[20:30:06] <generic_nick> or pico cards
[20:30:18] <ssi> no, the mesa is the way to go
[20:30:21] <generic_nick> i have the pico stuff, since i built mine before mesa made theirs
[20:30:37] <generic_nick> they work fine.
[20:30:53] <ssi> they work fine, but they're much more expensive
[20:31:06] <generic_nick> yea they werent cheap, thats for sure
[20:31:41] <ssi> mesa 7i49 is $184
[20:31:57] <ssi> six resolver inputs, plus analog servo outs and enables
[20:32:08] <generic_nick> sweet
[20:32:12] <generic_nick> good deal
[20:32:19] <ssi> otherwise you'd need something like a 7i33 or 7i48 plus three pico cards at $150 apiece
[20:33:55] <generic_nick> yep
[20:34:03] <generic_nick> thats what i spent lol
[20:38:26] <Nick001-Shop> <ssi> wasn't the resolver card a special?
[20:38:45] <ssi> Nick001-Shop: yeah, but I think pcw calls them the HV now
[20:38:58] <ssi> if you ask him about it, he should know what you're talking about
[20:39:23] <ssi> it has to do with the transformer ratio of the resolvers
[20:39:46] <ssi> the excitation drive level was too high, and the sin/cos signals that I was receiving back were clipping the AD
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[20:40:51] <Nick001-Shop> is there a specific card # for the changes?
[20:41:07] <Nick001-Shop> your hal file says you have a 5i23 card
[20:42:37] <ssi> 5i23 is my PCI card, yes
[20:43:01] <ssi> I think 7i49HV is how he designated my resolver card
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[20:44:48] <DJ9DJ> gn8
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[20:45:12] <ssi> also, I'm using every single one of my 48 inputs on the '42
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[20:49:50] <Nick001-Shop> I can always hook up another parport if I run low on pins
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[20:50:05] <ssi> I have a spare port on the mesa
[20:50:09] <ssi> i just haven't added a card to it yet
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[20:51:44] <Nick001-Shop> works out good - the hardige with the pico card has an extra porport to handle all the relays in the back cabinet
[20:51:56] <Nick001-Shop> Hadinge
[20:52:06] <ssi> almost :)
[20:52:14] <ssi> do you have the spindle brake?
[20:52:19] <ssi> mine wasn't working, so I removed it
[20:52:29] <ssi> my VFD can brake well enough
[20:53:50] <Nick001-Shop> yes but I leave it off for now because of the GE drive - Spindle stops on a dime anyway and I don't have a clue as to why
[20:54:07] <ssi> what are you driving the spindle with?
[20:54:14] toudi_ is now known as micges
[20:54:18] <ssi> I'm using a Teco 3hp vfd
[20:54:44] <Nick001-Shop> GE HiAk drive that came with the machine
[20:54:51] <ssi> for the spindle?
[20:54:55] <ssi> is it a servo spindle?
[20:55:05] <ssi> mine's not... just an AC PMSM
[20:55:48] <Nick001-Shop> yes 4HP at 3000 rpm but I generally don't go over 1800
[20:55:51] <ssi> I know the CHNC had a servo spindle
[20:55:57] <ssi> maybe some of the HNCs did too
[20:56:01] <ssi> or maybe yours is retrofit
[20:56:40] <generic_nick> mine was a 3hp ac motor
[20:56:51] <Nick001-Shop> no - came from hardinge when I bought 2 of these brand new
[20:56:55] <generic_nick> or 2hp i think.
[20:57:15] <generic_nick> i used a vfd with big braking resistors. stops well.
[20:57:20] <ssi> Nick001-Shop: 5c spindle, or 16c?
[20:57:27] <ssi> generic_nick: I don't even have braking resistors, and it does ok
[20:57:51] <Nick001-Shop> 5c - didn't have 16c at the time
[20:58:06] <ssi> one thing I want to do is get control over the mechanical speedchange ballscrew
[20:58:16] <ssi> and rig it to be an extra gear change
[20:58:22] <ssi> all the way up or all the way down
[20:58:31] <ssi> that'd give me four gears, and let me run much much slower
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[21:00:56] <Nick001-Shop> That's what's nice about the servo spindle - I can run at 100 rpm with alot of torque and haven;t been able to stop it
[21:02:26] <ssi> yea
[21:02:38] <Nick001-Shop> <ssi> so you have 3 cards - 5i23 7i49HV and 7i42 ?
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[21:02:45] <ssi> correct
[21:03:45] <ssi> I can rigid tap at 450rpm
[21:03:50] <ssi> it works, but I'd prefer to run much slower
[21:03:52] <ssi> cause it overshoots
[21:04:06] <Nick001-Shop> guess I better get ordering - The last machine with an AB control just gave up the ghost so I'm down to 1 of these Hardinges
[21:04:10] <ssi> with a servo spindle, I could rigid tap slower, plus to a precise depth
[21:04:34] <ssi> what part of the world are you in?
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[21:05:35] <Nick001-Shop> NE pa - betwenn Scanton and Birmingham NY
[21:06:04] <Nick001-Shop> between
[21:08:56] <Nick001-Shop> what is the normal speed for rigid tapping
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[21:09:27] <Nick001-Shop> in linux cnc?
[21:12:36] <ssi> I dunno, depends on the tap and material I guess
[21:12:41] <ssi> I just tap as slow as I possibly can
[21:12:45] <generic_nick> i need to put a encoder on the mill's spindle so i can rigid tap. however there's some backlash in my spindle, so im not sure how well that will work
[21:13:40] <ssi> shouldn't be more than a couple degrees, probably won't be too much of a problem
[21:13:45] <Nick001-Shop> 4-40 to 10-32 in alum thru hole
[21:13:59] <ssi> oh you can run small stuff pretty fast
[21:14:29] <ssi> I tap 10-32 in a hand drill all the time
[21:14:53] <Nick001-Shop> like how fast
[21:15:55] <ssi> 1000rpm or so
[21:16:23] <ssi> the limitation in my case would be overshoot
[21:16:29] <ssi> but with a servo spindle, you shouldn't have a problem there
[21:17:35] <ssi> also thru hole, overshoot doesn't matter, so long as the tap length is a fair bit longer than your material thickness
[21:17:49] <ssi> I'm tapping M10 to 1.5" deep
[21:18:35] <ssi> S450 M3 G91 G21
[21:18:39] <ssi> g33.1 z-24 K1.5
[21:18:42] <ssi> G90 G20
[21:19:04] <ssi> I command a 24mm tap, but I actually end up getting more like 38mm
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[21:21:01] <Nick001-Shop> that's alot of overshoot isn't it?
[21:21:05] <ssi> yeah
[21:21:10] <ssi> it takes a long time to slow that spindle down :P
[21:21:20] <ssi> relative to the motion of the tap ayway
[21:23:23] <Nick001-Shop> does rigid tapping work with seppers on the slides and a servo driven spindle
[21:23:35] <Nick001-Shop> steppers
[21:23:50] <generic_nick> sounds like you need braking resistors ssi
[21:23:58] <andypugh> Yes. And with servo slide and stepper spindle, if you wanted.
[21:25:13] <Jymmm> andypugh: you see the PID book?
[21:25:25] <generic_nick> if you're running a vfd on single phase, it's better to have a much bigger vfd than spindle motor. i run a 5hp drive on a 2hp motor and it can accel and decel much better
[21:25:27] <andypugh> No.
[21:25:43] <Jymmm> andypugh: ~~~~~ Introduction to PID Controllers - Theory, Tuning and Application to Frontier Areas --
http://www.intechopen.com/download/books/books_isbn/978-953-307-927-1 (3.9MB zipped pdf)
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[21:26:39] <Nick001-Shop> working on a cross drilling and tapping machine - slides are stepper driven which I sort of have working and I have to build the drilling and tapping spindles which I can make servo driven
[21:27:13] <ssi> I'd like to have resistors, but the drive I have doesn't have an internal IGBT, so I need a "braking module" and they're expensive
[21:27:24] <Nick001-Shop> Should get betterspped control with servos rather than steppers
[21:27:33] <ssi> also, I don't have a 5hp VFD because 5hp VFDs that'll run off single phase are hard to find
[21:27:37] <ssi> and I don't have 3ph
[21:28:08] <ssi> I'd rather just upgrade to a servo spindle than try to work around those two issues
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[21:29:14] <Nick001-Shop> better speed
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[21:36:09] <tjb1> Has anyone ever moved from Pennsylvania to New York?
[21:38:13] <andypugh> L84Supper: How's your chinese?
http://www.linuxcnc.org/index.php/english/forum/51-ot-posts/26441-wireless-tool-hight-meassuring-tool-xhc-nc02#33087
[21:39:17] <Nick001-Shop> I moved from NY to PA -)
[21:40:16] <Nick001-Shop> best move ever - stopped supporting the basket case known as New York City
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[21:40:58] <tjb1> :(
[21:41:03] <tjb1> Doesnt help :P
[21:41:33] <tjb1> I did find that my tax will go from 3.07% to 6.45%
[21:41:39] <Nick001-Shop> where in NY are you looking at?
[21:41:43] <tjb1> elmira
[21:42:29] <Nick001-Shop> state income taxes?
[21:42:35] <tjb1> yes
[21:43:16] <Nick001-Shop> that's drivable to live in PA - which alot of people do
[21:43:55] <Nick001-Shop> The property taxes are lower in PA also
[21:44:54] <tjb1> But the apartment is less than a mile from where I would work
[21:45:05] <tjb1> So the gas alone driving back and forth would make up the difference
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[21:46:01] <andypugh> This may be trivial but.. I am ssh-ed into my Rpi, and want to paste some text from this PC into a file on the Pi. Any ideas?
[21:46:07] <Nick001-Shop> time to dig out the sreadsheet and do the costs.
[21:46:32] <Nick001-Shop> spreadsheet
[21:47:56] <Nick001-Shop> tjb1 - going to work for Hardinge? -)
[21:48:01] <tjb1> yes
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[21:48:16] <Nick001-Shop> doing what ?
[21:48:23] -!- ravenlock has quit [Ping timeout: 252 seconds]
[21:48:34] <tjb1> manufacturing engineer
[21:50:02] <Nick001-Shop> good deal - they take good care of their people - or they used to when I was in touch with some of the service people
[21:50:03] <generic_nick> ssi: i like mitsubishi vfd's. they run on single phase and can handle braking resistors
[21:50:57] <generic_nick> they're cheap too, i dont think i paid more than 75 bucks on ebay for a 7.5kw one
[21:51:13] <tjb1> I hope so Nick001-Shop
[21:52:34] <Nick001-Shop> It also opens other doors with other companies building CNC's
[21:53:19] <Nick001-Shop> Just to bad it's a high rent district
[21:53:37] <tjb1> $830 a month
[21:54:07] <generic_nick> ouch, and they say southern california is expensive
[21:56:21] <Nick001-Shop> the gas people influx has driven up prices in the entire area
[21:57:04] <Nick001-Shop> just that NY has much higher taxes to support NYC
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[21:58:26] <tjb1> Cheap one was $725 but…it was cheap
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[21:59:59] <Nick001-Shop> they also have some real dumps too - kindling to be exact
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[22:12:59] <mpictor> micges: when I load rtnet.ko, I get "no stack for kernel thread 'rtnet-stack'". have you seen this before?
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[22:13:28] <micges> nope
[22:13:35] <micges> what config?
[22:14:26] <mpictor> 3.5.7-xenomai-2.6.2.1
[22:15:39] <mpictor> installed using the instructions on the wiki -
http://wiki.linuxcnc.org/cgi-bin/wiki.pl?Mesa7i80_Driver_For_Linuxcnc_On_Xenomai
[22:15:48] <micges> you must load rtnet driver before rtnet.ko
[22:15:57] <micges> like 8193too.ko
[22:16:05] <micges> 8139too.ko
[22:16:40] <mpictor> that's not the order in start_net.sh
[22:16:49] <mpictor> is it wrong?
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[22:17:18] <micges> mpictor: give me 10 min, I'll reboot to xeno to check it
[22:17:23] <mpictor> thx
[22:17:31] <mpictor> actually I can try myself
[22:18:02] <micges> start_net.sh should be ok
[22:18:26] <micges> but only tested here with realtek 8139, 8169 won't load properly atm
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[22:18:58] <mpictor> actually, I need to use 8139too - its source references this chip
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[22:24:01] <mpictor> well, I need to restart now - can't rmmod rtnet for some reason
[22:24:09] <mpictor> at least it didn't hang this time!
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[22:29:20] <r00t4rd3d> sob these gantry risers are huge
[22:29:36] <tjb1> cncrp ones?
[22:29:45] <r00t4rd3d> ya
[22:30:07] <tjb1> 4x4" square tubing isnt it
[22:30:20] <r00t4rd3d> not sure
[22:30:31] <r00t4rd3d> didnt measure them
[22:30:33] <r00t4rd3d> just opened them
[22:30:59] <tjb1> woot is having a woot off
[22:31:26] <r00t4rd3d> i got risers another set of extended carriages and some extrusion today
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[22:33:08] <tjb1> Still waiting on the guy to laser cut that piece....
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[22:44:32] <micges> mpictor: where are you now on wiki manual?
[22:45:06] <mpictor> pretty sure I've followed all steps on that page
[22:46:02] <mpictor> I forgot... dmesg also says "raise CONFIG_XENO_OPT_SYS_STACKPOOLSZ"
[22:46:17] <mpictor> so I guess one fix would be to rebuild the kernel
[22:46:40] <mpictor> where do I get the source? I don't remember exactly where I got the kernel from
[22:47:01] <mpictor> oops, nm
[22:47:15] <mpictor> *reading xenomai wiki page...
[22:47:19] <micges> pastebin your dmesg please
[22:48:53] <mpictor> I shut my laptop down. gimme a few
[22:50:08] <mpictor> before the ubunto logo comes up, I see several messages including "RTDM skin init failed"
[22:50:11] <mpictor> normal?
[22:50:24] <micges> nope
[22:50:41] <micges> RTDM is core of rtnet
[22:52:09] <micges> I don't like to test any realtime system on laptop, there are always some problems
[22:52:32] <micges> is this 10.04 ?
[22:52:34] <mpictor> I know it isn't the best, but I assumed the latency would be acceptable for a 3d printer
[22:52:51] <mpictor> 12.04
[22:53:14] <tjb1> Using linuxcnc for a 3dprinter?
[22:53:40] <mpictor> that's the plan
[22:53:46] <mpictor> a Kossel, to be exact
[22:54:01] <tjb1> Why?
[22:54:07] <micges> mpictor: you know that 7i80 driver is in development stage now?
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[22:55:35] <mpictor> yea
[22:55:50] <mpictor> tjb1: why not? I wanna experiment :)
[22:55:57] <mpictor> micges:
http://pastebin.com/FtGNcHgh
[22:56:10] <tjb1> Because ramps and repetier is much easier :P
[22:56:12] <mpictor> think the prob is at line 202
[22:56:21] <mpictor> C1E
[22:58:08] <micges> yes
[22:58:28] <mpictor> I should have looked through dmesg more thoroughly - I'll try disabling that
[22:58:53] <tjb1> mpictor:
http://sphotos-a.xx.fbcdn.net/hphotos-ash3/599319_10200523289340712_2062245779_n.jpg
[23:00:00] <andypugh> That's just showing off though :-)
[23:00:30] <micges> mpictor: this is main problem: [ 1.321582] I-pipe: could not find timer for cpu #1
[23:01:10] <mpictor> silly realtime software. what's it think it needs a timer for? I'll hold a stopwatch in front of the webcam for it. :P
[23:01:11] <micges> if C1E is enabled ipipe cant use lapic timer so whole xenomai wont load
[23:01:18] <mpictor> gotcha
[23:02:17] <mpictor> tjb1: kapton tape on the verticals?
[23:02:23] <micges> mpictor: got any 7i80?
[23:02:25] <tjb1> yes
[23:02:26] <mpictor> I used uhmw-pe
[23:02:44] <mpictor> micges: yes, I have the 7i80hd-25
[23:02:55] <mpictor> overkill, I'm sure
[23:03:51] <micges> yeah, it will fit >40 servo channels :)
[23:04:18] <mpictor> maybe I can emulate an arduino in it at 1GHz
[23:04:58] <mpictor> I think that chip will clock that high according to xilinx
[23:05:31] <mpictor> while I think of it, have you had trouble with suspend not working with the xenomai kernel?
[23:05:54] <mpictor> this laptop won't wake from suspend with that kernel
[23:05:58] <micges> no idea, I never use it
[23:06:05] <mpictor> k
[23:08:41] <mpictor> bah. can't disable c1e in that bios
[23:08:48] <mpictor> guess I'll try another computer
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