#emc | Logs for 2011-02-17

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[03:51:40] <NTU> sorry about any problems regarding EMC on arch linux, the developers decided to remove my code... i apologize for the inconvience
[03:55:24] <NTU> i just got an email today about it
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[04:46:07] <coldelectrons> anyone know of an easy way to make parametric gcode?
[04:47:58] <cradek> can you ask a more specific question?
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[04:50:31] <cradek> goodnight - hope someone else can help.
[04:54:15] <coldelectrons> Okay then: I'm cutting inlays. Ivory is unstable stuff - it shrinks. Our only option currently is to cut the ivory, measure it, and use the measurements to cut the other wood to fit. However, I have no automated way of expressing a gcode program in terms of parameters...I was hoping someone here might have some insight.
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[05:16:01] <toastydeath> coldelectrons, are you using emc
[05:16:20] <toastydeath> or another control
[05:26:50] <coldelectrons> emc 2.3.0 on the machine - haven't had a chance to update it yet
[05:27:50] <coldelectrons> Looking at what I have, I could probably abuse CamExpert and it's configuration to spit out a rough outline I then would have to fill in the blanks
[05:28:56] <coldelectrons> which is still going to be very tedious
[05:34:47] <KimK> coldelectrons: how many lines of gcode are you expecting?
[05:40:26] <coldelectrons> 21 moves?
[05:42:39] <coldelectrons> not including a few rapids
[05:43:55] <coldelectrons> what complicates is that I use cutter comp, and we finish in opposite direction for best finish
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[05:47:17] <KimK> Oh, no problem then, that's small enough to hand-edit, if you're only doing it once. It seems like just adding scaling should work. I'd have to look up the details, but something like: Xscale=[ 1.000 ] <newline> Yscale=[ 1.000 ] <newline> Zscale=[ 1.000 ] <newline> And then every move like G1 X[ 1.234*Xscale ] Y[ 2.345 * Yscale] F10. Maybe you'd only need one scaling factor if the shrinkage is uniform on both axes, i.e., no "grain"
[05:47:34] <Connor2> Hey guys, trying to setup my 2nd par port to run stuff like my Vacuum etc..
[05:48:02] <Connor2> Someone point me in the right direction ?
[05:48:26] <KimK> What do you need? Got the 2nd parallel port in yet?
[05:48:45] <Connor2> In the PC.. I just need to know what to do to enable it in EMC.
[05:49:14] <KimK> Same as to enable the first one, I'd guess. Hang on.
[05:52:31] <KimK> Connor2: Can you pastebin.com your ini and hal ?
[05:53:32] <coldelectrons> KimK: That's the problem - change in dimension is non-uniform
[05:55:21] <KimK> coldelectrons: So do you measure each piece (or at least each batch) at different temperatures, humidities, orientations, etc. first?
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[05:58:02] <KimK> coldelectrons: And what percent variation are we talking about here?
[05:58:29] <coldelectrons> KimK: yes, measure two parts and cut another to fit, making a set
[05:59:21] <coldelectrons> KimK: 0.2 percent shrinkage on longest dimension
[06:00:13] <coldelectrons> which, on a 3" piece, makes about 0.005" shorter
[06:01:21] <coldelectrons> Our aim is to make some very high quality inlays in something, where prospective buyers are checking things through jewlers' loupes
[06:02:32] <coldelectrons> So we want 0.001 clearance - allow a sliding fit, and keep glue line minimal
[06:04:04] <coldelectrons> CamExpert can't do what I want - it only has ==, no <,> comparison operators in it's machine configuration language
[06:04:44] <KimK> OK. If you can measure it, shouldn't you should be able to say Scale=[ 3.0000 / (3.0000-0.0050) ] ? Would that work?
[06:06:27] <KimK> Maybe it would be better if it were written [ (3.0000 + 0.0050) / 3.000 ] ?
[06:07:13] <KimK> Connor2: Still there?
[06:07:51] <Connor2> Sorry, wife called for me.. Had to go see what she needed.
[06:08:02] <KimK> No problem
[06:10:52] <coldelectrons> KimK: I'd have to have a different scale on X and Y, at least...I need to check my notes to see if that'll work
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[06:15:02] <KimK> OK. And I've got the details wrong too, maybe more like G1 X[ 1.234 * #<Xscale> ] Y[ 2.345 * #<Yscale> ] F10 I'm still looking for the initialization, is it #<Xscale>=1.000 ? #Xscale=1.000 ? Not sure right now, it's in the books.
[06:15:23] <Connor2> okay, so, I have the parport setup... How do I make a button and attach it to say, pin 1 on the 2nd parport ?
[06:17:28] <KimK> Electrically, you mean? The wiring? Or are you asking about HAL?
[06:18:44] <Connor2> HAL
[06:18:44] <KimK> Like this? net buttoninputfromparport2pinxx -> selectedemc2function
[06:19:30] <KimK> You have to use the right names, of course
[06:19:53] <Jymmm> Larry, Moe, and Curly
[06:19:55] <Connor2> well, this will be a custom pin... I think...
[06:20:21] <Connor2> say, pin name is vac (for vacuum)
[06:21:13] <KimK> Oh, you said make a button, it's a PyVCP button and you're going out? Then net pyvcpbuttonxx -> parallelport2pinxxoutput ?
[06:21:54] <Connor2> yea, click button in axis to turn vac on/off.. I've already got the button in pyvcp file.. and showing up.. along with a vac.led
[06:22:04] <KimK> Jymmm: Poor Shemp, always forgotten (sniff).
[06:22:23] <Jymmm> KimK: So very true.
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[06:24:26] <KimK> Connor: OK. Sounds like just one net line should do it. Unless you want to use ClassicLadder? You don't need to.
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[06:25:23] <KimK> You should be able to look up the right names in halshow or whatever it's called. The big tree of HAL.
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[06:25:56] <KimK> haloak?
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[06:26:34] <Connor2> okay, button toggling the pyvcp.vac ... now, how do I make it toggle on/off instead of momentary on ?
[06:26:53] <KimK> Use a checkbox?
[06:27:21] <KimK> You can also have a pair of start/stop buttons
[06:28:34] <Connor2> this is somethign I have for the extruder when doing 3d printing.. but, I didn't code it.. Just found it..
[06:28:35] <Connor2> net heater2.on <= rs-extruder.heater2.on => pyvcp.heater2.on
[06:28:35] <Connor2> net heater2.pv <= rs-extruder.heater2.pv => pyvcp.heater2.pv
[06:28:35] <Connor2> net heater2.sv <= rs-extruder.heater2.sv => pyvcp.heater2.sv
[06:28:35] <Connor2> net heater2.set-sv => rs-extruder.heater2.set-sv <= pyvcp.heater2.set-sv-i
[06:35:12] <KimK> coldelectrons: I forgot to ask if you were programming tool path or part edge. I presumed part edge.
[06:35:37] <KimK> because you mentioned offset, but then I wasn't sure.
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[07:03:54] <Connor2> how can I get my LED widget to be center aligned with a button instead of being at the top of the button ? (Have button and LED in a hbox)
[07:11:44] <psha> Connor2: use gladevcp panels :)
[07:12:45] <Connor2> How does that work?
[07:14:04] <psha> http://psha.org.ru/tmp/axis-gladevcp-pyvcp.png
[07:14:08] <psha> same as pyvcp
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[07:14:20] <psha> pyvcp on left, gladevcp on right
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[07:56:00] <KimK> psha: Hi, I'm supposedly one of the docs editors. You're moving us out of LyX, right? What's the new doc editing program you guys are moving us toward? What should I be studying up on?
[07:58:33] <psha> vim/gedit/emacs/...
[07:58:54] <KimK> No kidding?
[07:58:56] <psha> new format is nearly plain text with very small number of extra markup
[07:58:57] <psha> no kidding
[07:59:17] <psha> http://psha.org.ru/tmp/src/lathe/lathe-user.txt
[07:59:19] <psha> example
[07:59:46] <KimK> Excellent, I'll look forward to the announcement when it's done.
[08:00:02] <psha> it's nearly done, some infrastructure stuff is left
[08:00:10] <psha> merging build systems and similar
[08:00:34] <KimK> What does the processed version of that same file look like?
[08:00:47] <Connor2> I should be able to trip a SSR staight from a parport output right? No extra power needed or anything?
[08:00:52] <psha> http://psha.org.ru/tmp/src/lathe/lathe-user.html
[08:00:59] <psha> and large docs in one dir higher
[08:01:21] <psha> http://psha.org.ru/tmp/src/Master_User.html#_lathe_specifics
[08:03:05] <KimK> Connor2: We don't know the ratings of your SSR or PP, but it sounds plausible.
[08:03:17] <Connor2> 3 to 30vDC
[08:03:46] <Connor2> I have volt meter on pin.. it's a stead 3.3v regardless if I toggle it on/off.. so, I'm not sure what I'm doing wrong.
[08:04:44] <KimK> Right pin? Does HAL show it changing?
[08:04:57] <archivist> is pin an output
[08:05:56] <Connor2> HAL config shows the pin (parport.1.pin-01-out) toggle on and off...
[08:06:44] <Connor2> net vac-toggle toggle.0.in <= pyvcp.vac
[08:06:44] <Connor2> net vac-control toggle.0.out => pyvcp.vac.led => parport.1.pin-01-out
[08:06:47] <KimK> right PP mode?
[08:08:12] <Connor2> Do I need a pull down resistor or anything ?
[08:09:07] <KimK> psha: It looks good on the web. The web print preview doesn't look good to me unless I turn it down to about 60-70% maybe? But maybe you've got a PDF output too?
[08:09:31] <psha> there are pdfs
[08:09:54] <psha> http://psha.org.ru/tmp/src/Master_User.pdf
[08:10:44] <KimK> psha: The Master_User.html# one looks good on the web
[08:11:10] <KimK> and on print preview, I mean
[08:11:56] <psha> KimK: that one with linuxcnc.org docs stylesheet
[08:12:05] <psha> small docs are without it
[08:12:38] <psha> PDFs are built via pdflatex (dblatex) and are much better for priting
[08:15:03] <psha> KimK: what's your timezone? :)
[08:15:37] <KimK> OK, great. The final output is not quite as professional-looking as LyX, but I'll be glad to say goodbye to LyX, especially with the multiple versions problem. Thanks to you and jepler (and others?) for all your hard work. I'll look forward to your annoucement when it's done.
[08:16:24] <KimK> Central US. Yes, I'm up late. I won't last much longer, lol
[08:16:41] <psha> KimK: hm, may you point flaws? i guess they are fixable (since both theese and lyx goes with same path * -> tex -> latex -> pdf)
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[08:18:52] <KimK> psha: I'm happy to point out flaws if I can. Let me know what you want me to look at, or look for?
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[08:19:32] <psha> heh, if you notice something different in old/new docs - that's flaw ;)
[08:19:47] <psha> since conversion was 95% automatic something may be lost
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[08:20:12] <KimK> Oh, I notice lots different, but if we're getting rid of LyX I can keep still.
[08:22:41] <Connor2> good grief.. it toggles the LED on the SSR, but, it's dim...
[08:23:55] <KimK> Maybe you do need a pullup?
[08:24:14] <Connor2> volt meter shows 3.3v toggled on, 0 toggled off...
[08:24:35] <psha> KimK: what kind of diffs?
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[08:24:50] <Connor2> So, either I don't have enough current.. or 3.3v isn't enough to trip it. but the SSR is 3 ~ 32 v
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[08:26:00] <KimK> Connor2: 3V isn't a lot to drive a 3-30V relay. Can you drive a transistor (inversion) and use +5 (or +12) for the SSR?
[08:26:34] <Connor2> it's not mechanical, it's solid state...
[08:26:48] <Connor2> 3.3v should be enough if it's rated for 3 to 32
[08:27:51] <KimK> psha: "Diffs? We don't need no stinking diffs!" No, I just meant from looking at a few output pages you linked to.
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[08:29:19] <KimK> Sorry, maybe that movie reference doesn't work well outside the US?
[08:30:55] <KimK> Connor2: Yes, I know, you said SSR. You also said it was dim.
[08:31:20] <coldelectrons> Driving an SSR from a parport may not work if the parport can't source or sink enough current
[08:31:44] <Connor2> I'm starting to think that's the issue.. which kinda sucks...
[08:31:47] <KimK> That's why I suggested the inversion transistor
[08:31:58] <coldelectrons> voltage is only half the problem
[08:32:11] <psha> KimK: html output is surely different
[08:32:28] <psha> but PDF i have to be looking maybe not exactly same bot close to
[08:32:34] <psha> s/i//
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[08:33:32] <Connor2> It only draws 13milliamps at 6.5v
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[08:33:58] <KimK> psha: Yes, indeed. I was only talking about the PDF. But I didn't open any current docs to compare, so I'll rely on your reports. Unless you want help checking.
[08:34:02] <coldelectrons> Ugh. I modified my camexpert config to insert scale modification per-axis-per-layer, and it keeps segfaulting on me
[08:34:47] <KimK> Windows? Got enough RAM?
[08:35:05] <coldelectrons> Might just be the desktop
[08:35:07] <KimK> Maybe you went over a limit?
[08:35:16] <KimK> OK
[08:35:27] <coldelectrons> Windows? Oh hell no.
[08:35:42] <coldelectrons> 8GB of ram enough?
[08:36:06] <KimK> coldelectrons: Sorry, I don't know anything about Camexpert
[08:36:20] <KimK> So I figured it was Windows
[08:36:30] <coldelectrons> No, it's probably a problem with an old static binary running on a modern linux install
[08:36:53] <KimK> Wine or VBox?
[08:37:42] <coldelectrons> KimK: Okay, I feel like we're having two different conversations now
[08:38:25] <coldelectrons> Wine or VBox for what?
[08:39:42] <KimK> Oh, OK, it's not even a Windows app then?
[08:40:50] <coldelectrons> there's windows versions available, but I'm a linux user
[08:41:21] <KimK> psha: Here's the movie reference, fifth quote down? http://www.imdb.com/title/tt0040897/quotes
[08:41:40] <coldelectrons> I've always had a few issues on the desktop due to it being an amd64 install
[08:43:39] <coldelectrons> but for some reason, camexpert always seems to run well on my laptop - which is also a 64bit machine, but an intel core2
[08:44:59] <coldelectrons> I've never bothered trying to figure out why, because when camexpert has a problem, it quits with the highly verbose message of "Segfault"
[08:46:52] <coldelectrons> I guess this means it's time for me to stroll on back to the house, sit in the comfy-chair with a beverage, and try the new config on the laptop :)
[08:47:23] <KimK> Good luck, I hope no segfaults.
[08:48:39] <coldelectrons> Eh...if there is, it means it's time to apply my recent education in Python to solve the problem
[08:49:38] <coldelectrons> 'night, then
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[08:55:46] <Connor> looks like I need around 27ma at 3.3v, pin 1 only sources about .5ma, some other pins source around 20ma.
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[09:37:46] <xDamox> Hey, I am trying to configure EMC on RHEL 6 but I get the following error:-
[09:37:48] <xDamox> kernel: hbacmd[2763]: segfault at 0 ip 00007f5a82fa246f sp 00007fff07a48118 error 4 in libc-2.12.so[7f5a82e81000+175000]
[09:37:59] <xDamox> Does anyone have any ideas?
[09:39:46] <psha> it just states that segfault is in 'hbacmd' process
[09:39:50] <psha> it's not related to emc
[09:40:04] <archivist> a lot of effort, why not use the live cd and ubuntu
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[10:11:02] <alex_joni> xDamox: sim or RT ?
[10:11:28] <xDamox> I think I am in the wrong channel sorry
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[10:19:47] <mk0> ? strange man
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[11:15:38] <L84Supper> any opinions here on building a cnc saw to cut aluminum rectangular tubing and t-slots up to 4" x 4"? circular vs bandsaw?
[11:16:52] <archivist> I used to cut ally with circular overarm 30+ years ago was a nice cut
[11:17:22] <archivist> as long as some lube (wax) was applied
[11:19:34] <L84Supper> archivist: yeah, was thinking about an automated system for cutting at least, the lube application would have to be automated as well
[11:20:12] <archivist> depends on edge quality needed too
[11:21:08] <L84Supper> it would have to be clean enough for the t-slots to be used as is without an extra step of deburring
[11:21:29] <archivist> I think my tinitus came from that job, they did not provide ear defenders
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[11:22:01] <L84Supper> Bosch recommends a ~14" circular saw with >80 teeth
[11:22:35] <L84Supper> they have a setup with a laser and gauge but it's not automated
[11:23:02] <L84Supper> it's a glorified circular miter saw
[11:23:18] <archivist> no automation when I was doing it, blade was 20" and 3 k rpm iirc
[11:24:09] <archivist> yup I was using a DeWalt, glorified woodworking setup
[11:24:27] <archivist> but seems they no longer sell stuff like that
[11:24:29] <alex_joni> mk0: might have been EMC - storage stuff
[11:27:00] <L84Supper> http://kaltenbach.smscolumbus.com/item/circular-saws/ch-kks-401-na-cnc-miter-cutting-circular-cold-saws/kks-401-na?
[11:27:16] <L84Supper> I can build my own for far less
[11:29:06] <archivist> L84Supper, look around the auctions for one from a window manufacturer, base hardware to build around
[11:29:18] <L84Supper> I don't think I can get a tight enough tolerance with a bandsaw design
[11:29:29] <L84Supper> archivist: good idea!
[11:29:56] <archivist> some of those are manual length though
[11:31:20] <L84Supper> I was considering a belt driven positioner for the 21' lengths of t-slot or tubing
[11:33:43] <L84Supper> belt drive for the material, pneumatic clamps to hold during cutting and a ball screw drive for the saw
[11:36:01] <L84Supper> http://www.hisupplier.com/product-221255-CNC-Double-Head-Miter-Saw/ or similar
[11:37:26] <archivist> seems to fit the bill
[11:39:18] <L84Supper> hmm they claim 0.2mm cutting tolerance with a bandsaw http://julihuang.en.made-in-china.com/product/XeMJgVGlbPWq/China-CNC-Band-Sawing-Machine-S-280HR-.html
[11:40:38] <L84Supper> looks like I have to decide on how dense and thick my max material will be
[11:42:18] <archivist> some modern bandsaws have good guiding so can cut square!
[11:43:17] <L84Supper> 1/4" wall 4" aluminum tube is my probable max
[11:43:27] <archivist> I just reviewed my old pics and did not take a pic of the cutting machine when doing the window company website pics
[11:43:45] <archivist> I used to repair the thing too
[11:44:38] <archivist> upvc welders are a pin to work on http://www.collection.archivist.info/archive/DJCPD/PD/2005/2005_08_31_Herron/P8311622.JPG
[11:44:43] <archivist> pain
[11:45:00] <L84Supper> 10 megawatt laser is probably fastest alternative but a circular saw is most likely good enough approach for a cut every few seconds
[11:45:43] <archivist> I would go circular as that is my best experience
[11:46:33] <L84Supper> I like the floral work/storage surface to the right :)
[11:46:52] <L84Supper> softens the work environment
[11:46:59] <archivist> old carpet, that was the assembly bench
[11:47:19] <archivist> they buy in and dont make now
[11:48:54] <L84Supper> was the upvc flat or did that unit weld tubes?
[11:50:14] <archivist> extruded section, so tubular to an extent (more than one tube)
[11:50:45] <L84Supper> what were the end products?
[11:51:12] <archivist> windows/doors http://www.collection.archivist.info/archive/DJCPD/PD/2005/2005_08_31_Herron/P8311627.JPG
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[11:51:26] <archivist> see other pics in that directory
[11:51:52] <L84Supper> oh a windows developer ;p
[11:52:03] <archivist> hehe
[11:52:12] * archivist dinies
[11:52:18] <archivist> denies
[11:53:38] <L84Supper> archivist: how did they do the precision miter cutting?
[11:54:43] <archivist> thats the missing pic, had a large miter saw with frame to slide the heads on
[11:55:25] <archivist> scruufy old thing so missed it out for the website, but was solid
[11:55:32] <L84Supper> lots of windows co's went belly up here in the past few years
[11:56:17] <archivist> yup and its still happening, Herron shrank just the right amount to keep going
[11:56:43] <L84Supper> one made national headlines with a sit in to get paid since the bank was bailed out and not the workers
[11:57:44] <L84Supper> http://www.nbcchicago.com/news/local-beat/Michael-Moore-Gives-Windows-and-Doors-Employees-the-Hollywood-Treatment-61851992.html
[11:57:51] <archivist> one went but while I was doing the Herron website, workers from there came around..any jobs?
[11:58:02] <archivist> but/bust
[12:00:16] <archivist> lot of shady window companies, one local to here keeps changing its name. leaving creditors unpaid
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[12:02:02] <L84Supper> over here it's mostly shady banks with ties to the government
[12:06:27] <L84Supper> archivist: we were working on aluminum extrusions and fiberglass pultrusions for architectural applications like yours a few years ago before the building bust
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[12:07:37] <L84Supper> we could anodize images into the extrusions to make them look like finished natural building products like wood and stone
[12:08:43] <archivist> seems less aluminium windows and doors these days due to cost
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[12:09:58] <L84Supper> http://www.herronwindows.co.uk/3d/pic2b_300_p.png but difficult to replace for apps like these
[12:11:13] <L84Supper> we also worked out how to powder coat images onto 3d surfaces using inkjets
[12:23:11] <archivist> I hate that pic because its not actually a herron built on, its a suppliers brochure pic
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[14:34:41] <kb8wmc> good morning to all
[14:35:34] <skunkworks> Good morning!
[14:35:45] <kb8wmc> howdy skunkworks
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[15:38:21] <mrsunshine> is unshiuelded cables a a problem with stepper motors?
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[16:05:23] <pcw_home> Which cables: the motor cable will radiate noise, and the step+dir signals can pick up noise
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[16:25:16] <mrsunshine> the ones from the drive to the motor =)
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[16:29:16] <tom3p> git errors , what to do?
[16:29:21] <tom3p> Auto-merging lib/python/gladevcp/hal_widgets.py
[16:29:22] <tom3p> CONFLICT (content): Merge conflict in lib/python/gladevcp/hal_widgets.py
[16:32:20] <tom3p> time stamps suggest those files are virgin
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[16:34:17] <pcw_home> mrsunshine: unshielded is probably ok as long as you don't route any sensitive wires with the motor wires
[16:34:38] <Jymmm> unshielded is NEVER good
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[16:50:38] <tom3p> on the 7i33T, is the GND for the encoder signal common to the Aout and Enables? and are all 4 of those GNDs common?
[16:51:07] <cradek> I think so
[16:51:19] <cradek> I don't think it has any isolation
[16:51:35] <cradek> oh hey pcw_home is here - why am I answering?
[16:52:16] <Connor> okay, this really sucks... Can't fire off this dang SSR via parport pin.. it can't source enough current..
[16:52:42] <cradek> did you try sinking
[16:52:55] <tom3p> thx anyway, i was seperating the shields per the Yaskawa and then thought, hell they're all common anyway
[16:53:31] <Connor> cradek: you ask me ?
[16:54:45] <pcw_home> Yes all ground are common at the 7I33T
[16:56:59] <archivist> Connor, there is a pull up, you can apply an external one
[16:57:35] <archivist> Connor, add a buffer to be sure though
[16:58:02] <pcw_home> what cradek said.
[16:58:52] <pcw_home> usually better off with sinking current rather than sourcing (legacy of DTL/TTL)
[17:00:50] <tom3p> pcw_home, thx
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[17:03:10] <Connor> yea, I was thinking of a pullup, but, from what I read, it can't source that much that way either.. some pins can only do 1/2 milliamp.
[17:03:16] <Connor> may try different pin.
[17:03:55] <archivist> better to buffer then you can source whatever the ssr needs
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[17:10:04] <mhaberler> tom3p: I didnt touch hal_widgets.py at all - which branch did you start from?
[17:10:59] <psha> logger[psha]: .
[17:11:51] <psha> mhaberler: he's left
[17:12:10] <mhaberler> I noticed - maybe he reads back
[17:15:27] <pcw_home> conner why dont you try sinking current, its really the preferred way (get 5V for SSR from a USB port)
[17:17:40] <Connor> what do you mean by that... ?
[17:18:17] <Connor> 5v into the SSR and negative to the parport pin, and let it pull it low to turn on?
[17:18:33] <SWPadnos> USB 5V to SSR+, SSR- to parallel port pin (set the -invert parameter for the pin)
[17:18:51] <SWPadnos> or any other 5V that's referenced to the PC power supply
[17:19:21] <Connor> yea, I read, that's not good either.. but, I can try it..
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[17:39:07] <mrsunshine> anyone have experience with yaskawa vfds ?
[17:39:10] <mrsunshine> they are quite cheap
[17:39:17] <mrsunshine> thinking of buying one for the mill =)
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[17:41:54] <Connor> okay, so, pins 2-9 your suppose to be able to sink 24ma, and source 15ma, pins 1,14,16,17 synk 20ma, source .55ma (and on my parport, are @ 3.3v)
[17:43:45] <atmega> I thought the data lines could only source a few mA
[17:44:02] <Connor> http://www.epanorama.net/circuits/parallel_output.html
[17:44:12] <Connor> 20ma is a few...
[17:44:19] <Connor> I need 27ma at 3.3v
[17:44:32] <atmega> 2.6 is a few
[17:45:00] <atmega> from your link: In ordinary parallel port implementations the data outputs are 74LS374 IC totem-pole TTL outputs which can source 2.6 mA and sink 24 mA.
[17:49:43] <Connor> Looks like I need around 18ma at 5v...
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[18:01:00] <Connor> I'm really sick of ubuntu insisting to run my CPU's at 1.6Ghz vs the 2.8Ghz they are...
[18:03:34] <SWPadnos> then set it for maximum performance instead of power saving
[18:03:51] <SWPadnos> there's no point in running a CPU at its full speed unless it actually has something to do
[18:04:00] <SWPadnos> (which it usually doesn;t)
[18:04:04] <SWPadnos> s/;/'/
[18:04:10] <SWPadnos> bbl
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[18:16:26] <mrsunshine> nah, ondemand =)
[18:16:29] <mrsunshine> is the shit :P
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[18:17:40] <psha> ondemand rocks
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[18:20:09] <davidf> Can someone please tell me how to get rid of the axis.ngc file that loads into emc2 at startup? I can't find anything re that in the docs I have...
[18:20:42] <davidf> And how to set a different file as the default?
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[18:22:05] <psha> davidf: http://www.linuxcnc.org/docs/devel/html/config_ini_config.html#DISPLAY%20(inifile%20section)
[18:22:08] <psha> OPEN_FILE
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[18:27:13] <davidf> psha Thanks! Must have looked right at it and not seen it.
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[18:27:47] <psha> it's properly hidden ;)
[18:35:28] <atmega> later
[18:36:09] <davidf> psha What made it difficult is that axis.ngc opens by default and the config wizard doesn't add the OPEN_FILE line to the ini file, so there was nothing I could find to change.
[18:37:06] <davidf> Anyway, thanks for the link.
[18:37:23] <psha> yes, that's default for axis
[18:37:32] <psha> that's why it's difficult to find it
[18:38:56] <davidf> Would be easier to understand if the config wizard would add the line anyway so it would be obvious how to change it.
[18:39:13] <IchGuckLive> agree
[18:39:41] <davidf> Well back to it. Thanks again.
[18:39:44] <IchGuckLive> Advertising is only to a serten point then it needs to work
[18:40:35] <IchGuckLive> ok there is also load last file
[18:40:57] <davidf> Oh that would be helpful too.
[18:41:50] <IchGuckLive> its in the File menue
[18:41:51] <davidf> Is that a boolean or a parameter for OPEN_FILE?
[18:42:00] <davidf> OK
[18:42:15] <davidf> So not in the ini than.
[18:42:21] <davidf> then.
[18:43:07] <IchGuckLive> yes davidf
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[18:43:38] <IchGuckLive> the open_file parameter is only usefull for a own logo
[18:43:59] <IchGuckLive> but the file -> load last is better for milling lots of parts
[18:44:16] <davidf> 3 or 4 times I've crashed the machine because I forgot to load a file and stared running axis.ngc. Duh.
[18:44:38] <L84Supper> http://www.dreamhost.com/ have there been any problems with hosting EMC here?
[18:44:48] <IchGuckLive> then it is best for you to use ""
[18:44:55] <davidf> :)
[18:45:05] <davidf> yes.
[18:45:30] <IchGuckLive> this will load nothing and no G-code can be stardet
[18:45:38] <davidf> Axis.ngc doesn't run very well on a lathe. LOL.
[18:45:47] <IchGuckLive> O.o
[18:46:47] <davidf> Later thanks again.
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[19:37:41] <Guest75464> anyone active?
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[19:37:56] <L84Supper> usually
[19:38:15] <TJB1> Does anyone happen to know the dimensions for the bolt spacing on a 6" kurt 2 vise?
[19:38:57] <TJB1> I know thats off-topic from the channel but I suppose you're all machinists :)
[19:39:31] <cradek> I expected to find that on the first google hit, but no...
[19:40:02] <TJB1> Yeah I tried google :(
[19:40:21] <TJB1> I think the spacing is 3 and 7/8
[19:40:32] <TJB1> but the height was weird and I havent got a chance to take a caliper to them
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[19:41:26] <cradek> yuck, it's not in the manual either
[19:41:42] <cradek> http://www.kurtworkholding.com/downloads/pdf/D675%20VISE_MANUAL%20English.pdf
[19:42:29] <TJB1> the teacher had a bp for the vise too but it had about everything but the jaw dimensions
[19:42:51] <cradek> oh you mean the jaw bolt spacing, or the hold down bolt spacing?
[19:43:18] <TJB1> jaw bolt
[19:43:30] <cradek> oh I thought you meant the table bolts
[19:44:10] <cradek> a random catalog selling jaws says 3-7/8
[19:44:40] <cradek> when I measured to make soft jaws recently, I remember thinking it was an odd number - I would not have thought 3.875 was odd.
[19:44:52] <cradek> I have a drawing (pencil on paper, ha) at the shop
[19:45:08] <cradek> don't you have one to measure?
[19:45:13] <TJB1> no the height from the bottom
[19:45:20] <cradek> dude
[19:46:28] <cradek> they have a stupid, but related, measurement here: http://www.usshoptools.com/current_year/all_products/2007_08_pdf/PGS_136_137.pdf
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[19:47:06] <TJB1> .937...
[19:47:09] <TJB1> what a stupid size
[19:47:31] <cradek> that's a perfectly fine fraction
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[19:48:02] <TJB1> 30/32
[19:48:13] <TJB1> 15/16 haha
[19:48:48] <TJB1> all I had was a ruler at the time, but thank you very much cradek
[19:48:56] <TJB1> Making new jaws for our robot to load into
[19:49:04] <JT-Work> your looking for soft jaw dimensions?
[19:49:06] <cradek> according to that drawing, that's not to the hole centers
[19:49:13] <cradek> so beware
[19:50:45] <TJB1> they 1/2-13 correct
[19:50:46] <JT-Work> center to center I show 3.871
[19:50:58] <TJB1> What is bottom to center?
[19:51:11] <JT-Work> from bottom to center is .9877
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[19:51:30] <JT-Work> opps no
[19:51:31] <TJB1> do those jaws sit on the bottom of the vise?
[19:51:53] <TJB1> 9877 from edge to bottom?
[19:52:00] <JT-Work> 0.941
[19:52:12] <TJB1> from edge right?
[19:52:25] <JT-Work> from bottom to center of hole
[19:52:43] <JT-Work> can you open a 3-d model?
[19:53:41] <TJB1> what type is it?
[19:53:56] <JT-Work> I can save it as almost any type
[19:54:15] <TJB1> all I have is mastercam
[19:54:31] <mrsunshine> is there any other place then youtube i can find videos of cnc milling etc and stuff like that? :)
[19:54:39] <mrsunshine> i just love to see the machines work :P
[19:55:56] <JT-Work> a dxf then
[19:55:56] <JT-Work> I have a 3D model of quick jaws
[19:55:56] <JT-Work> can MC open up and iges ?
[19:55:56] <TJB1> http://www.kurtworkholding.com/manual-vise-opening-p-1204-l-en.html
[19:55:56] <TJB1> I dont know
[19:55:56] <TJB1> im on mac right now so I would have to reboot into windows
[19:56:24] <JT-Work> looks like all the dimensions are there
[19:56:38] <TJB1> do you use mastercam?
[19:56:44] <JT-Work> not any more
[19:57:13] <TJB1> they seemed to half-ass quite a bit of the simple stuff I notice
[19:57:24] <mrsunshine> trochoidal milling, what is it good for? :)
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[20:21:39] <Connor> wOOt, Pin 2 has enough current to trip the SSR
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[20:49:39] <danimal_garage> afternoon
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[20:55:28] <skunkworks> motioncontrol: did you get your homing to index figured out?
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[20:59:11] <motioncontrol> skunkworks, thanks for help, the problem was the incorrect sequenze the thread call
[20:59:21] <skunkworks> Great!
[21:00:24] <motioncontrol> excuse a question : for stopping the runnig the program is correct setp true halui.program .stop or halui.abort ?
[21:00:37] <motioncontrol> or both
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[21:10:44] <skunkworks> I have not used it but would think it should be halui.program.stop
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[21:33:10] <Connor> okay, so, I have a pin and button setup to turn on/off my vacuum.. how can I set a M code up to toggle it on/off
[21:33:44] <skunkworks> http://linuxcnc.org/docs/2.3/html/gcode_main.html#sec:M100-to-M199:
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[21:40:11] <Connor> That the only way to do it using shell scripts?
[21:40:31] <skunkworks> I have never done it - so I don't know
[21:41:05] <skunkworks> you could probably use python also
[21:41:14] <skunkworks> I have no examples though
[21:42:00] <Connor> it's simple enough.. just thought their would be a way to do it within the hal file.
[21:42:12] <skunkworks> not that I know of.
[21:42:58] <skunkworks> you could do http://linuxcnc.org/docs/2.4/html/gcode_main.html#sec:M62-to-M65
[21:43:21] <Connor> I'm surprised their isn't codes to turn on/off vacs and air.. their is one for coolant..
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[21:45:12] <Connor> M62-M65 looks interesting.
[21:45:37] <Connor> wonder how you tie the digiyal output number to a pin
[21:45:39] <Connor> digital
[21:46:13] <skunkworks> net....
[21:51:37] <Connor> net says it's for pins....
[21:53:31] <skunkworks> right - you have a pin for for m62 and a pin for your i/o. connect them together :)
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[21:58:36] <skunkworks> so net name_of_signal motion.digital-out-00 whatever_output_pin
[21:59:39] <skunkworks> maybe ;)
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[22:02:32] <Connor2> This is what I currently have..
[22:02:33] <Connor2> net vac-toggle toggle.0.in <= pyvcp.vac
[22:02:33] <Connor2> net vac-control toggle.0.out => pyvcp.vac.led => parport.1.pin-02-out
[22:03:46] <Connor2> So, Ideally, I want it to turn on/off with the button AND the M code..
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[22:15:09] <danimal_garage> i did it in ladder
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[22:16:09] <Connor2> Did what in ladder?
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[22:21:51] <Connor2> can you not have more than 1 input on a pin?
[22:24:53] <Connor2> well, I can toggle via gcode, or button, but not both... ugg.
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[22:48:13] <Connor2> I've got this working now....
[22:48:16] <Connor2> net vac-toggle toggle.0.in <= pyvcp.vac
[22:48:16] <Connor2> net vac-control or2.2.in0 toggle.0.out
[22:48:16] <Connor2> net vac-control2 or2.2.in1 motion.digital-out-00
[22:48:16] <Connor2> net vac-control3 or2.2.out => pyvcp.vac.led => parport.1.pin-02-out
[22:48:47] <Connor2> but, if the Mcode runs the vac... I can't turn it off via the button and vise versa..
[22:49:33] <Connor2> if motion could be a momentary, then I can feed it into toggle like button. and let both toggle the same toggle.
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[22:59:27] <skunkworks> http://www.youtube.com/watch?v=FgnxBaFFDi8
[22:59:31] <skunkworks> very cool
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[23:09:28] <danimal_garage> Connor, do it in ladder
[23:09:56] <danimal_garage> i have it so i can turn on and off my coolant via m code or ladder. either one will interupt the other
[23:10:29] <danimal_garage> so i can turn on the coolant durring a program if i forget an m8 and i can turn it off durring a program as well.
[23:11:02] <danimal_garage> also, if i turn the coolant on durring a program with my button, the m9 will still turn it off
[23:11:39] <danimal_garage> it works well
[23:12:42] <danimal_garage> you can do the same thing for your purpose
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[23:21:16] <Connor2> I don't know anything about ladder...
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[23:21:24] <Connor2> examples would be nice...
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