#linuxcnc | Logs for 2012-07-01

[00:00:14] <Tom_itx> ok, i'm not sure what i did but it started working
[00:00:22] <Tom_itx> nothing really..
[00:00:32] <Tom_itx> i'll check for loose wires
[00:03:38] <Tom_itx> that may be the culprit, i just wiggled the board connector and it cut out
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[00:14:36] <pcw_home> Yeah if you have > 200 mv change in the inputs the differential receiver should switch
[00:14:38] <pcw_home> TTL is about 3Vish anyway and 1.6V diff is 3.2V
[00:15:32] <Tom_itx> yep, i got about 3.3 3.4v from gnd
[00:15:39] <Tom_itx> thereabouts
[00:16:04] <pcw_home> I'm getting one of those sniglet crimpers for wiring those terminal blocks
[00:16:24] <Tom_itx> link?
[00:16:42] <Tom_itx> i'm not that crazy about them on the geckos
[00:17:01] <Tom_itx> you get some decent wire on them and they will become intermitten
[00:17:16] <pcw_home> http://www.ferrulesdirect.com
[00:17:22] <Tom_itx> i had the same thing on the z axis power connectors
[00:18:28] <pcw_home> what was intermittent?
[00:18:49] <Tom_itx> the z axis driver was cutting out
[00:19:13] <pcw_home> which power connectors?
[00:19:17] <Tom_itx> i added some slack in the wire harness and the problem went away
[00:19:34] <Tom_itx> the removable screw connectors they ship with on the 203v
[00:20:14] <Tom_itx> i've got 14ga wire on them
[00:21:21] <pcw_home> are those 5 mm spacing?
[00:21:34] <Tom_itx> i'm not sure
[00:21:40] <Tom_itx> they may be
[00:21:45] <Tom_itx> http://tom-itx.dyndns.org:81/~webpage/cnc/psu/control5.jpg
[00:21:50] <Tom_itx> that's what it looks like
[00:21:59] <Tom_itx> the spagettin by the mesa card is gone now
[00:22:07] <Tom_itx> that was the last of the wiring, the pendant
[00:22:18] <Tom_itx> spagetti*
[00:22:43] <pcw_home> or 3.5 like ours (I dont think I'd use bigger than 20 gauge on the 3.5 mm)
[00:23:07] <Tom_itx> if they're good for 7A 20ga wouldn't be enough
[00:23:45] <Tom_itx> i used 18 on the stepper wires
[00:24:13] <pcw_home> we dont use any at 7A
[00:24:32] <Tom_itx> i'm not either
[00:24:38] <Tom_itx> 3.5 currently
[00:25:12] <pcw_home> I really dont like to use any tin connector at more than about 1/2 it rating
[00:25:20] <pcw_home> its
[00:25:30] <Tom_itx> i don't know what series they use
[00:25:50] <Tom_itx> connectors are always a pita on pc boards
[00:26:21] <pcw_home> due to heat --> higher resistance --> more heat loop
[00:27:13] <Tom_itx> i'll rework the one on the 7i47
[00:27:20] <Tom_itx> i'm being lazy right now
[00:28:33] <pcw_home> Since we are starting to make some cables with the terminal blocks the ferrules seemed like a good idea
[00:29:10] <Tom_itx> like theirs?
[00:29:27] <pcw_home> Whose?
[00:29:52] <Tom_itx> gecko
[00:30:26] <pcw_home> They have premade cables?
[00:30:41] <Tom_itx> not that i know of
[00:31:12] <r00t4rd3d> http://www.ebay.com/itm/12-volt-air-conditioner-portable-28qt-Aircraft-boat-RV-/160778667176?pt=Air_Conditioner&hash=item256f27c4a8
[00:31:30] <pcw_home> For example we make cable for 7I52/7I77/7I76 to sserial so its terminal block to RJ45
[00:31:48] <Tom_itx> ok
[00:32:45] <pcw_home> but its a little mickey mouse with just bare stranded wire in the screw terminals \
[00:32:47] <pcw_home> and likely to have stray strands
[00:33:28] <pcw_home> and tinning guarantees the wire breaks
[00:33:43] <Tom_itx> unless they're assembled carefully
[00:33:54] <skunkworks__> I have seen tiny copper crimps on the end of wires that go into terminal stirps
[00:33:56] <Tom_itx> with all strands inside the clamp
[00:34:09] <pcw_home> anyway we are going to try the sniglets
[00:34:20] * skunkworks__ tins usually......
[00:34:42] <pcw_home> yes thats what i am calling sniglets
[00:34:58] <pcw_home> proper term is wire ferrules
[00:35:20] <skunkworks__> ah
[00:35:30] * skunkworks__ just looked at pcw_home 's link
[00:35:52] * skunkworks__ likes talking about himself in 3rd person
[00:39:50] <pcw_home> I never remember the name of that place but "ferrules are us" works in google
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[00:51:53] <r00t4rd3d> i have a push button estop, it does not lock down and twist to release, just makes contact then releases I believe. Do I wire that normally open or normally closed? I think N.O
[00:52:11] <skunkworks__> nc
[00:52:30] <skunkworks__> you want a failure in the estop circuit to stop the machine
[00:52:37] <skunkworks__> imho
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[00:53:03] <Connor> Some one tell me if the endmills are any good ?
[00:53:04] <Connor> http://www.shars.com/products/view/4862
[00:53:12] <Connor> http://www.shars.com/products/view/4864
[00:53:18] <Connor> http://www.shars.com/products/view/4866
[00:53:30] <Connor> http://www.shars.com/products/view/4868
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[00:53:37] <Connor> http://www.shars.com/products/view/4870
[00:54:15] <Connor> Using them mostly for Aluminum work. I've got them already.. but.. i need to get some new ones as I've broke the 1/8 and 1/4
[00:54:33] <Tom_itx> what rpm?
[00:54:39] <Tom_itx> http://www.lakeshorecarbide.com/
[00:56:13] <Connor> 2000 to 3000 is what I normally run.
[00:57:30] <Tom_itx> the carbide won't dull as quick
[00:57:39] <Tom_itx> run higher rpms
[00:58:39] <Connor> 3k RPM is tops.
[00:58:41] <Connor> for now.
[00:59:41] <pcw_home> Short to ground on estop wiring should estop as well as open
[00:59:43] <pcw_home> so control power --> NC estop switch --> stuff enabled by control power
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[01:31:49] <FinboySlick> Tom_itx: You ever tried their high-feed mills?
[01:32:28] <FinboySlick> They seem pretty expensive but for fast shallow passes they seem pretty awesome.
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[01:54:46] <Tom_itx> i haven't ordered from them but i'd like to
[01:54:53] <Tom_itx> i generally get mine locally
[01:55:02] <Tom_itx> jt likes them
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[02:22:05] <Tom_L> test run: http://www.youtube.com/watch?v=XhU7S8kifJ4&feature=youtu.be
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[02:27:19] <azureviolin> hi guys, I'm running linuxcnc in sim mode with axis_mm config
[02:27:57] <azureviolin> And when I execute some Gcode produced by pcb2gcode, I got error
[02:28:10] <azureviolin> like "cannot home while shared home switch is closed"
[02:28:43] <azureviolin> I googled the sentence, found nothing
[02:28:58] <azureviolin> any ideas how I can solve this problem?
[02:29:23] <azureviolin> I compiled linuxcnc on 64bit Ubuntu 12.04 Precise
[02:29:33] <Tom_itx> just a sec
[02:31:03] <azureviolin> Another problem would be, there's nothing shown on spindle area, and the sim stops when gcode tells it to spin. I need to jump over the spin code to continue running sim
[02:31:31] <Tom_itx> NO_FORCE_HOMING =1 in [TRAJ]
[02:31:38] <Tom_itx> try that
[02:32:03] <azureviolin> Hi Tom, Where do I input your instruction
[02:32:04] <azureviolin> ?
[02:33:07] <Tom_itx> in your machine ini file
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[02:33:32] <azureviolin> oh. I'm using sim-axis_mm config
[02:33:44] <azureviolin> I'll try to find it and modify
[02:34:03] <azureviolin> However, I assume I don't need to change that to make it work, am I right?
[02:34:13] <azureviolin> since these are pre-set configs for simulation
[02:35:21] <Tom_itx> i've not used sim
[02:35:59] <azureviolin> okay, thank you though.
[02:36:57] <azureviolin> Actually, I'm developing a way to precisely cut PCB with CNC machine, based on probing method developed by phk.
[02:37:21] <azureviolin> Have you heard that anybody have done this before? other than phk
[02:38:18] <Tom_itx> no but there are others cutting pcbs
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[02:39:18] <azureviolin> yeah, I'm aware of that. However, not everybody can cut a PCB with 1 mil track as phk have done. right
[02:39:21] <azureviolin> ?
[02:39:35] <r00t4rd3d> get a 1mm bit
[02:39:57] <azureviolin> 1 mil, which is 0.00254 mm
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[02:40:14] <r00t4rd3d> oh
[02:40:16] <azureviolin> with 60 degree V bit
[02:40:40] <r00t4rd3d> hmm
[02:41:11] <azureviolin> check this out http://phk.freebsd.dk/CncPcb/
[02:41:15] <r00t4rd3d> do you have any pcb gcode? I want to try now :) I have a 60 V
[02:41:37] <azureviolin> he added a probe pin to parallel port.
[02:42:00] <azureviolin> And he designed his code for eagle's plugin: pcb-gcode
[02:42:29] <r00t4rd3d> yeah im reading that now
[02:42:38] <azureviolin> I want to make it more general, with pcb2gcode, which can take in general gerber file, outputs gcode
[02:42:47] <azureviolin> I'm working on this right now.
[02:42:55] <azureviolin> Enjoy your reading. It's amazing.
[02:43:21] <tjb1> http://www.penntoolco.com/catalog/products/products.cfm?categoryID=407 - Snagged the 0-6", 4" base for $65 today :D
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[02:49:47] <r00t4rd3d> ebay?
[02:52:23] <azureviolin> how does things go, r00t?
[02:56:44] <r00t4rd3d> ok, im not into pcb milling but maybe something I would like to try in the future
[02:57:00] <r00t4rd3d> just to see if I can
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[03:24:39] <azureviolin> sure, r00t
[03:29:39] <FinboySlick> http://www.youtube.com/watch?v=bQptfdSCdhs It's like they're all from New Jersey.
[03:38:19] <r00t4rd3d> i dont dare click then
[03:39:14] <r00t4rd3d> state full of idiots
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[04:59:32] <Connor> I have a g-code file I want to run.. I need to run it 6 times.. 6 different positions.. and want to automate it.. so I don't have to touch off with a offset for each location.. What's the best way to do that?
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[05:02:01] <Tom_itx> make a subroutine from it and change the offset with vars
[05:02:49] <Connor> how do I do offsets with vars ?
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[05:03:24] <Tom_itx> i haven't tried it yet with linuxcnc
[05:03:31] <elmo40> or, call up G54 , G55, G56... after each M98 P### and call it up as a sub program
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[05:04:49] <elmo40> what do you need to offset? tool or location of what is being run?
[05:05:15] <Connor> location. Doing engraving. Made a fixture to hold 6 dog tags...
[05:05:51] <elmo40> ok, g54, g55, g56... will be ideal
[05:06:00] <Connor> I'll be prepping a engrave g-code file for each set of 6.
[05:06:12] <elmo40> sex the XY 0 for each tag and save them in the corresponding work place
[05:06:45] <elmo40> or
[05:06:53] <Connor> is their a way to have a master script that calls them.. and justs uses g54... call that script.. then g55 then call the same script again ?
[05:07:14] <elmo40> ya, like I said earlier, with M98 P###
[05:08:00] <elmo40> I know there is a way to change offset in the program.
[05:08:01] <Connor> okay, what's M98 ?
[05:08:42] <Connor> m98 gives me invalid M mcode
[05:08:52] <elmo40> something like #5601=number, #5602=number... and just change that then call the sub program. Not sure if it is #5601 for x, but it is something like that
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[05:09:28] <Tom_itx> http://www.linuxcnc.org/docs/html/gcode/m-code.html
[05:09:31] <elmo40> you need M98 P###
[05:09:33] <Tom_itx> i don't see it listed there
[05:09:41] <elmo40> P is the program it needs to call
[05:10:16] <elmo40> oh, EMC doesn't do M98?
[05:10:20] <elmo40> that is basic fanuc
[05:10:26] <Connor> No. Doesn't look like it.
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[05:11:03] <elmo40> what was your exact line? and what is the exact name of the sub program?
[05:11:09] <Tom_itx> yeah it's on my fadal cheat sheet
[05:11:09] <elmo40> but ya, it prob doesn't do it that way...
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[05:11:37] <Tom_itx> it will do it but likely another way
[05:11:56] <Connor> O codes maybe
[05:13:34] <Tom_itx> http://www.linuxcnc.org/docs/html/gcode/coordinates.html#sec:G92-Offsets
[05:13:36] <Tom_itx> maybe
[05:16:23] <Tom_itx> G10?
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[05:20:10] <FinboySlick> r00t4rd3d: It's from japan... Just looks like NJ.
[05:20:19] <Tom_itx> G10 L2 Px X Y
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[05:30:03] <Connor> I did it manually touching off each G54...G59 just now.. and it worked..
[05:30:08] <Connor> looking at G10 now..
[05:36:03] <Connor> G10 works.. now.. to figure out how I can avoid having to manually edit the sub file everytime after I generate it with the engraver..
[05:44:26] <Tom_itx> http://www.linuxcnc.org/docs/html/gcode/o-code.html#_looping_a_id_sec_looping_a
[05:44:29] <Tom_itx> read that over
[05:45:29] <Connor> yea.. No need for that at this point... I found a way to interject the G-codes into the engraver in the header and footer.
[05:46:09] <Connor> Although.. for what ever reason.. it doesn't save them... :(
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[06:05:26] <Connor> okay, so, what does the path history fade away now ?
[06:11:09] <Connor> Is it possible/safe to use a smaller sized bit in a fly cutter such as these? https://www.shars.com/products/view/743/3_Piece_Fly_Cutter_Set
[06:11:17] <Connor> I have 3/8" Bits..
[06:11:56] <Connor> They say 5/16 for that set.. the other set says 3/16 , 1/4, and 5/16
[06:13:02] <Jymmm> 0.3125 vs 0.375, your 3/8 won't fit it seems
[06:13:09] <Connor> Yea. i just got that.
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[06:20:29] <Connor> http://www.shars.com/products/view/3419
[06:20:37] <Connor> that the correct bit ?
[06:20:44] <Connor> AL Style ?
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[06:53:42] <DJ9DJ> moin
[06:55:19] <Jymmm> not yet... 23:53:42 DJ9DJ: moin
[06:57:15] <uw> morinnnnnnnn
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[06:59:17] <DJ9DJ> good night, Jymmm :)
[06:59:40] <Jymmm> not me
[07:05:34] <DJ9DJ> no, I did not assume that you leave, just because of the time... ;
[07:05:35] <DJ9DJ> ;)
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[07:08:27] <uuhyh> hii, i'm insltalled yesterday linux cnc 10.04 version 2.5
[07:12:09] <uuhyh> and when I open the linux cnc program i get an error http://pastebin.com/rGLx3NwP
[07:17:03] <Jymmm> enable acpi in bios
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[07:32:12] <uuhyh> i cant fine the word "acpi" in the bios
[07:32:24] <uuhyh> is Pentiom 3
[07:33:42] <mrsun> hmm, making new jaws for the drilling vice i have on my little milling machine, might be todays project =)
[07:33:48] <mrsun> (extended jaws to fight lift etc)
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[07:55:41] <uuhyh> i fix the error with this guide http://www.mailinglistarchive.com/html/emc-users@lists.sourceforge.net/2010-09/msg00133.html
[07:56:51] <uuhyh> now.. i want to change the way the linux cnc send the commands, from STEP & DIRECTION to STEP UP & STEP DOWN
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[08:12:14] <uuhyh> ?
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[08:17:37] <archivist> set your stepgen for type 1: up/down, man stepgen
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[10:17:50] <mrsun> i freackin hate cars :/
[10:20:33] <micges> what did they done to you?
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[10:35:52] <mrsun> they are rusty, and broken and everything just costs so damn much :/
[10:40:05] <jonand> the bathtub curve applies to cars too. buy them after 3-4 years and sell them after 10.
[10:48:14] <mrsun> got this car for practicly nothing, airbag thingie out of order (fixed it by changing thermal fuse), some bushings, and some break stuff, alittle rust and oil change and hopefully it will be usable :P
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[10:55:26] <syyl> hey, mrsun :D
[10:55:35] <syyl> http://www.youtube.com/watch?v=5BodWCJnnm0&feature=youtu.be
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[11:02:58] <mrsun> =)
[11:03:34] <mrsun> any breakout board someone can recomend from say ebay that has 0-10V out for vfd ?
[11:03:51] <mrsun> the only ones i find are quite expensive :P
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[11:35:59] <jthornton> dang uuhyh still has not got his stepgen mode changed?
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[11:55:18] <r00t4rd3d> her*
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[12:42:42] <jthornton> lol
[12:43:51] <syyl> mrsun, for the breakout board, maybe thats something for you
[12:43:52] <syyl> http://benezan-electronics.de/shop/product_info.php?cPath=8&products_id=51&language=en
[12:44:01] <Jymmm> jthornton: random laughing?
[12:45:21] <jthornton> no, laughing at what r00t4rd3d said
[12:45:49] <Jymmm> oh, heh
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[12:56:13] <mrsun> syyl, expensive :/
[12:56:30] <mrsun> if i descide to go expensive i guess that would be better, more feature rich etc =)
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[13:04:55] <mrsun> hmm a DAC will that compensate for load ?
[13:05:13] <mrsun> say i want a 5V signal out, then i hook up a load on it and the voltage drops, will it try and correct that up to 5V again ?
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[13:25:01] <pcw_home> Depends on where the drop is
[13:25:03] <pcw_home> power supplied often compensate by having
[13:25:04] <pcw_home> "sense" terminal at the point of load
[13:25:06] <pcw_home> for an analog out, a opamp buffer is usually enough
[13:25:26] <pcw_home> power supplies that is
[13:36:51] <Tom_itx> pcw_home i think the mpg thing is fixed. thanks
[13:37:43] <Tom_itx> jthornton must be up for coffee already
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[14:03:42] * jthornton is done with coffee
[14:05:09] <Jymmm> TEQUILA
[14:05:11] <r00t4rd3d> http://www.ebay.com/itm/Table-Saw-Router-Bit-Depth-Height-Gauge-and-Chisel-Drill-Bit-Point-Angle-Set-/120900202415?pt=LH_DefaultDomain_0&hash=item1c2636afaf
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[16:19:06] <DrZimmerman> hello everyone, did someone ever used rs 422 measuring together with mesa 5i21?
[16:19:59] <micges> measuring what?
[16:20:14] <DrZimmerman> i'm thinking about using these http://www.boschrexroth.com/business_units/brl/en/produkte/profilschienen_fuehrungen/IMS/index.jsp?language=en
[16:20:23] <DrZimmerman> the linear travel
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[16:21:26] <DrZimmerman> i know these roller rail systems from my former workplace, they're very good, but i didn't knew they're also available with integrated measuring system :-)
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[16:23:20] <DrZimmerman> i'll be back in ~1h
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[16:37:36] <micges> DrZimmerman: it seems that they are ttl 422 enocoder A and B signals
[16:38:07] <micges> so mesa 7i33 should be choice
[16:38:36] <Tom_itx> i use the 7i47
[16:38:44] <Tom_itx> if you need differential
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[16:50:49] <tjb1> G54, G55, etc...
[16:50:59] <tjb1> nevermind...
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[17:00:37] <IchGuckLive> hi all
[17:01:26] <tjb1> hello Ish
[17:01:37] <IchGuckLive> B)
[17:03:25] <Loetmichel> hmmm,, anyonwe knows why the frien whom i installed a linuxCNC lately cant start his spindle with M03?
[17:03:45] <Loetmichel> is a Spindle seed necessary or/and a T01?
[17:03:50] <Loetmichel> spindle speed
[17:04:55] <Loetmichel> because as i had installed it it had run. But i had executed the splash gcode as fist, so it might nbe that there was a modal code in it wihch has the spindle enabled...
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[17:14:09] <IchGuckLive> Loetmichel: can you check with halmeter if this pin goes on at mdi M3
[17:19:23] <Loetmichel> IchGuckLive: i am not in front of the machine
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[17:19:48] <Loetmichel> the machine has swichtec on the pin yesterfay and got the kress running
[17:20:24] <Loetmichel> but there i had run splash" linuxCNC" before running actual programs
[17:20:27] <JT-Shop> IchGuckLive: did you find the info on translations?
[17:20:42] <Loetmichel> and now he says M3 would not swicht the spindle on
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[17:20:51] <ReadError> do they make different pitches of countersinks?
[17:20:56] <IchGuckLive> JT-Shop: i look in the archive irc
[17:21:31] <JT-Shop> IchGuckLive: is this what your lookig for http://wiki.linuxcnc.org/cgi-bin/wiki.pl?Translation
[17:21:43] <JT-Shop> http://wiki.linuxcnc.org/cgi-bin/wiki.pl?Translation#Translating_LinuxCNC_messages
[17:22:17] <Loetmichel> and if the corresponding pin wpuld go high the kress WOULD switch on, its only a relais on the driver board and switching life, all hardwired so the friend cant possibly have detached anything there
[17:22:21] <Tom_itx> ReadError yes
[17:22:32] <Tom_itx> if you meant angle
[17:23:23] <JT-Shop> can you say NAP TIME!
[17:23:31] <Tom_itx> already!!
[17:23:32] * JT-Shop wanders off
[17:23:47] <IchGuckLive> JT-Shop: thanks
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[17:27:57] <Tom_itx> ReadError, http://www.travers.com/subcat.asp?r=c&n=Cutting%3A+H.S.S.+%26+Solid+Carbide||Countersinks
[17:30:06] <Tom_itx> 60, 82, 90, 100, 120 deg
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[17:33:14] <Tom_itx> most countersunk machine screws use 82
[17:35:51] <Loetmichel> Tom_itx: RALLY?
[17:35:54] <Loetmichel> E
[17:36:16] <Loetmichel> i could have sworn metric screws are 90° countersunk
[17:37:21] <Tom_itx> maybe
[17:37:33] <Tom_itx> but most of ours are
[17:38:53] <Tom_itx> http://www.smithfast.com/msflathead.html
[17:43:42] <Tom_itx> looks like metric are 90-92
[17:43:51] <Tom_itx> http://www.accuratescrew.com/CatalogPage.aspx?ProdCat=185x
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[18:20:24] <Connor> hey guys.. Last night.. was working on the engraving fixure.. Was using the G10 L2 commands...
[18:20:33] <Connor> I was using that in the sim.. which looked to work okay...
[18:20:51] <Connor> but in production.. I found that G10 doesn't use Touch Off...
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[18:21:38] <Connor> it's based on the Home Coordinates.. So after I got my fixture homed.. everything looked good for the first part, but the others were all messed up..
[18:21:46] <Connor> position wise..
[18:23:54] <jdh> g10 l2 is touch off
[18:24:26] <Connor> Is that what g10 l2 does ?
[18:24:51] <jdh> g10 l2 p1 is the same as touch-off for g54
[18:24:59] <Tom_itx> you set it for each fixture
[18:25:06] <Tom_itx> P1 2 3 4 etc
[18:25:26] <Connor> Right. I got that.. I guess my issues is.. I was thinking G10 L2 was relative AFTER touch off..
[18:25:36] <Tom_itx> i'm not so sure i wouldn't just write a subroutine with the offset x y values
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[18:26:08] <Connor> well. I'm touching off the center of each dog tag.
[18:26:40] <Connor> I know the offset from machine home to the center of the dog tag. So that would be my offset.
[18:26:52] <Tom_itx> if you did that you wouldn't need to touch off each part
[18:27:04] <Connor> How do I set a offset and have G10 L2 work ?
[18:27:22] <Tom_itx> it would be an alternative method to G10
[18:27:48] <jdh> could G92 also
[18:27:56] <Connor> I played with G92 too..
[18:28:03] <Tom_itx> i may just write such a test program as an exercise
[18:28:15] <Tom_itx> i always let my cad cam take care of it
[18:28:49] <Connor> I'm not using CAM. Using F-Engrave.. which I can run right from the machine. I have a fixture setup with the following..
[18:29:44] <Connor> X0 Y0 Tag 1, X0 Y1.5 Tag 2, X0 Y3 Tag 3, X1.75 Y3 Tag 4, X1.75 Y1.5 Tag 5, X1.75 Y0 Tag 6
[18:30:17] <Connor> Offset for tag 1 X and Y is something like X-1.5611, Y-.5640 or so..
[18:30:18] <Tom_itx> i'm not sure how linuxcnc does math on gcode yet for subs but i'm going to persue that at some point
[18:30:23] <jdh> make it a sub and do x/y offsets via args
[18:30:35] <Tom_itx> that's precisely what i'm suggesting
[18:30:46] <jdh> or set one for each g54/55/56
[18:30:54] <jdh> or shift g92 each one
[18:30:55] <Tom_itx> it would be alot easier than the fixture offsets i think
[18:31:15] <jdh> or stuff offsets in 5221/5222 and do it all as g54
[18:31:26] <Tom_itx> that may be the easiest
[18:31:39] <Tom_itx> just do the math on those memory locations each loop
[18:32:12] <Tom_itx> you could have your template ready then insert the gcode right in the middle of it
[18:32:30] <Connor> Well.. I think I have to use Touch off because the sub for each tag is based on X0,Y0
[18:32:56] <Tom_itx> 5221 5222 is where x and y are stored
[18:32:56] <Connor> I guess I just can manually adjust the offsets in the engrave..
[18:32:58] <jdh> g92 would do that, but setting g54 offsets via g10 l2 might be better
[18:33:44] <Connor> back in just a minute
[18:34:09] <Tom_itx> i just need to sit down and figure out how linuxcnc works on that stuff
[18:34:31] <Tom_itx> i will likely never use it though
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[19:28:24] <JT-Shop> have you seen the subroutine tutorials?
[19:28:34] <JT-Shop> http://gnipsel.com/linuxcnc/tutorial/index.html
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[19:39:06] <DrZimmerman> micges, Tom_itx: what's with the RI signal?
[19:40:11] <DrZimmerman> micges, Tom_itx: and i thought about the 5i21 because it's apparently specifically made for rs 422 and the bosch measuring system says also something about rs 422
[19:41:08] <micges> what is RI?
[19:43:29] <JT-Shop> Connor: if you have 8 or less fixtures just use the G54-59.3 coordinate systems
[19:45:34] <jdh> if you are going to set the fixture offsets programmatically, how does using g54/55/etc differ from just setting setting the g54 offsets for each one.
[19:45:35] <DrZimmerman> micges, it's a reference marking signal or so
[19:46:30] <DrZimmerman> micges, i search the pdf which shows the signals
[19:46:41] <JT-Shop> if the fixtures are somewhat permenament setting the G54-59.3 coordinate systems up makes sense
[19:47:39] <JT-Shop> if the locations are done on the fly then G92 makes sense to use
[19:48:59] <JT-Shop> G10 L2 offsets the origin of the axes in the coordinate system specified to the value of the axis word. The offset is from the machine origin established during homing.
[19:49:04] <jdh> can't you touch off to the first fixture, then add offsets programmatically for the others.
[19:49:15] <JT-Shop> nope
[19:49:28] <jdh> why not?
[19:49:29] <JT-Shop> unless you add to the variables
[19:49:32] <jdh> right
[19:49:52] <JT-Shop> do you know what the offset of the first one to machine origin is?
[19:50:00] <jdh> or g10 l2 p2 x[+ offset] etc
[19:50:06] <micges> DrZimmerman: it's can be done with 5i21 but you should ask PCW about it
[19:50:39] <jdh> if you did a g54 touchoff, the offset is in 5221/5222/5223
[19:50:52] <JT-Shop> yes
[19:50:56] <DrZimmerman> micges, this is the pdf with the information http://www.boschrexroth.com/business_units/brl/en/produkte/profilschienen_fuehrungen/IMS/redirect_media/index.jsp
[19:51:08] <DrZimmerman> micges, it describes on page 11 the signal
[19:52:00] <JT-Shop> you set the G55 coordinate system with P2
[19:52:22] <DrZimmerman> micges, on page 7 they also mention something about distance coded reference marks, maybe the RI signal is this?
[19:52:57] <jdh> or you could just add the offset to teh current location and continue in g54
[19:53:41] <DrZimmerman> micges, did PCW use the 5i21?
[19:53:43] <JT-Shop> does that work?
[19:53:58] <micges> DrZimmerman: he produce them
[19:54:05] <jdh> does in the sim.
[19:54:17] <JT-Shop> ok, should work in real too
[19:54:52] <JT-Shop> seems prone to errors if Connor can't make it work for him
[19:54:57] <jdh> writing to the 5xxx vars that hold the offsets does the same as g10 l2 p<whatever> or touching off to g5x
[19:55:14] <micges> DrZimmerman: so this are differential encoders signals A B and index
[19:55:23] <DrZimmerman> micges, ah ok, so he's from mesa :-)
[19:55:35] <JT-Shop> does writing to 5xxx reload it?
[19:55:36] <DrZimmerman> micges, yes, but for what is the index exactly?
[19:56:13] <micges> in rotational encoders there is one index per revolution
[19:56:29] <DrZimmerman> micges, i thought a cnc when first switched on goes into the limit switches to find it's position and then from there on it "just" counts the A+B signals?
[19:56:34] <micges> it's a position marker
[19:56:37] <DrZimmerman> ok
[19:56:56] <DrZimmerman> they say after going over two such index marks you know the position, but i don't see how this works?
[19:57:03] <jdh> I did a g54 each time after changing the vars. Dunno if that is required, but I woudl assume so
[19:57:15] <DrZimmerman> because Tr and Tr+1mm is always the same according to the pdf?
[19:57:23] <JT-Shop> I would assume so to jdh
[19:59:08] <micges> DrZimmerman: seems so
[20:00:11] <DrZimmerman> if it would be like Tr - Tr+1mm - Tr - Tr+2mm - Tr - Tr+3mm - Tr... i would see how it works but not if they're all the same?
[20:00:15] <DrZimmerman> maybe i'm missing something
[20:00:40] <DrZimmerman> but then on the other hand the system reading the RI signal (linuxcnc) would have to be aware of that
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[20:06:21] <mrsun> i could just use a transistor for switching on and off a higher voltage for a part of my card right? (5v pwm from the breakoutboard and need to switch 10.5V on and off for vfd control) =)
[20:08:33] <Tom_itx> JT-Shop what's the easiest approach to step and repeat code?
[20:08:52] <Tom_itx> using fixture offsets, a subroutine with math on x and y?
[20:09:59] <JT-Shop> Tom_itx: if I had fixed locations and not more than 8 I'd use G54-59.3 to set up the fixtures. If I needed to tweak a fixture location I do it only once...
[20:11:15] <JT-Shop> when I'm cutting plasma parts out I use G92 by moving to the next start point and in the begining of my code I set XY to 0
[20:12:03] <Tom_itx> so you don't do that in a subroutine?
[20:12:29] <mrsun> gah why is this breakout board made so that when theres no signal from parport i get +5V out on the output of the board, then when the parport pin goes high i get 0V
[20:12:35] <mrsun> is that the simplest to make for the makers ?
[20:12:42] <mrsun> i want 5V when partport pin goes high! :P
[20:12:54] <Tom_itx> JT-Shop did you see my silly little mill video?
[20:13:05] <mrsun> so all my outputs are enabled when i turn on the computer, that sucks balls :/
[20:13:33] <JT-Shop> on the plasma if I'm cutting out 4 of the same parts it is a long run so it's easier to just tack onto the end of the cut a move to the next start postion
[20:13:52] <Tom_itx> i suppose that makes sense
[20:13:55] <JT-Shop> what is best really depends on lots of factors as no one way is best
[20:14:12] <Tom_itx> i was just thinking of doing math on the fixture offset based on the next location
[20:14:24] <Tom_itx> say x+2 or something then storing that in G54
[20:15:05] <JT-Shop> that works, but if you find you want to tweek the location of fixture 5 you have to change a bunch of files...
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[20:15:47] <JT-Shop> no, I didn't see the video link?
[20:18:59] <mrsun> the intial state of the parport when the computer is turned on is all pins low right?
[20:19:16] <jdh> I would not count on them to be high or low
[20:20:10] <alex4nder> I wouldn't either.
[20:20:31] <alex4nder> also when the port is being initialized 'things happen'
[20:20:44] <mrsun> hehe :P
[20:20:56] <mrsun> that can be quite dangerous if the cnc machine controller is on before the computer then
[20:21:11] <alex4nder> that was the reason I started using charge pump
[20:21:23] <mrsun> alex4nder, hmm how does that work ?
[20:21:35] <alex4nder> mrsun: periodic signal acts as an enable line to the CNC drive hardware
[20:21:50] <alex4nder> if the periodic signal fails, a fault is triggered.
[20:21:57] <mrsun> alex4nder, hmm
[20:22:09] <jdh> my router spindle is controlled by an SSR hooked up to a pport pin. When linuxcnc starts up, it very briefly spins up if power is enabled
[20:23:24] <JT-Shop> my plasma used to fire off if it was on when emc started up
[20:25:21] <DrZimmerman> one of the reasons why i would like to use canopen servo drives :-)
[20:25:34] <alex4nder> my g540 triggers its outputs at power on for a split second, regardless of the chargepump being enabled
[20:25:36] <DrZimmerman> and because at my new employer i might get them cheap
[20:25:40] <alex4nder> I haven't figured out why
[20:27:56] <tjb1> Hello all
[20:28:02] <Connor> Interesting.... My sub file has a assignment like this.. #1 = 0.25
[20:28:12] <Connor> and then uses G1 Z#1
[20:28:38] <Connor> works stand alone, works in midi.. but when invoked from a call, it ignores it.. and treats it as 0
[20:28:53] <jdh> aren't 1-30 used for call args?
[20:29:19] <Connor> Dunno. That's what F-Engrave uses for the Z Safe hieght.
[20:29:40] <Connor> I had to go in and do a search replace to keep from engraving lines and stuff.
[20:31:47] <jdh> O- call takes up to 30 optional arguments, which are passed to the subroutine as #1, #2, ..., #N
[20:31:53] <JT-Shop> Connor: http://linuxcnc.org/docs/html/gcode/overview.html#_numbered_parameters_a_id_sub_numbered_parameters_a
[20:32:21] <JT-Shop> http://linuxcnc.org/docs/html/gcode/overview.html#sub:Named-Parameters
[20:32:42] <JT-Shop> http://gnipsel.com/linuxcnc/tutorial/gen03.html
[20:35:42] <jdh> connor: 6 #1's and 3 #2's in fengrave. Change them to <_safe_z> and <_engrave_depth>
[20:37:07] <jdh> or call the sub with safe & depth values
[20:41:37] <Tom_itx> JT-Shop, http://www.youtube.com/watch?v=XhU7S8kifJ4
[20:43:11] <jdh> do you cut steel with that?
[20:43:30] <Tom_itx> not usually
[20:43:52] <Tom_itx> it's pretty lightweight
[20:51:39] <Loetmichel> thats a nice little machine
[20:52:08] <Loetmichel> and sounds like it hase MUCH torque to spare... so smooth ;-)
[20:52:49] <DJ9DJ> gn8
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[20:57:49] <mrsun> hmm, the spindle pwm signal out from linuxcnc what frequency is that ?
[20:58:28] <jdh> whatever you set it to be
[20:58:34] <mrsun> by default, from stepconf :P
[20:58:54] <mrsun> ahh
[20:58:56] <jdh> look in your .hal file
[20:58:57] <mrsun> it has a setting? :P
[20:59:01] <mrsun> not at the cnc computer
[20:59:02] <mrsun> :/
[21:06:40] <JT-Shop> Tom_itx: looking good
[21:06:46] <JT-Shop> what are those oval marks
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[21:20:05] <Jymmm> boo boos
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[21:21:12] <Jymmm> JT-Shop: sorry, I meant to say undocumented features
[21:21:21] <JT-Shop> LOL
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[21:28:53] <Tom_itx> ok maybe i can sit down for a min now
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[21:29:37] <Tom_itx> JT-Shop, the undercuts on the table were DB25 and such in some plexi while i was testing all the stuff out
[21:30:24] <Tom_itx> instead of just letting them all hang all over the place
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[21:37:26] <Tom_itx> ok, i've got 4 or 5 extra wires on this pendant. surely i can use them for something
[21:38:44] <Tom_itx> Jymmm that's what the table is there for
[21:38:53] <Tom_itx> it's a work plate
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[21:41:41] <MrSunshine> 700ms to drop from 100% voltage to 50% voltage, is that acceptable for a spindle drive? :)
[21:42:05] <MrSunshine> i guess the motor wont even be able to spin down that fast? :P
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[21:45:22] <JT-Shop> Tom_itx: how about a G28
[21:46:48] <Tom_itx> that could work
[21:46:57] <Tom_itx> i don't use that much though
[21:47:32] <Tom_itx> can touchoff be set with the pendant?
[21:47:35] <Tom_itx> for G54
[21:48:13] <Tom_itx> since the axis are selected with the switch for the MPG i wonder if that could be used along with a button to set the G54 offset values
[21:51:08] <JT-Shop> you can do anything that you can do in a subroutine with your pendant
[21:51:25] <JT-Shop> anything you can execute in the MDI tab is easy to do
[21:52:17] <Tom_itx> i'll have to see where the axis information comes from on the selector
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[22:00:54] <Tom_itx> it shouldn't be that hard as axis has a button for it already
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[22:02:23] <Tom_itx> haha, maybe a 'mode' switch to use the axis for the MPG and selecting the coordinate to set AND using the resolution switch for that in MPG mode and FIXTURE OFFSET for the other mode
[22:02:51] <Tom_itx> dual purpose both switches
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[22:49:41] <frallzor> ahoyhoy
[22:53:31] <JT-Shop> the other children working on a cannon frame http://imagebin.org/219126
[22:54:05] <Tom_itx> don't misdirect them
[22:54:26] <Tom_itx> uhh the one on the right needs a refill too
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[22:55:44] <JT-Shop> his beer is out of the photo
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[22:58:28] <JT-Shop> that's some concentration there
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[23:02:02] <Tom_itx> little too serious for Govt work
[23:08:11] <JT-Shop> the old fart on the left wants to join the cannon club by Saturdays shoot out
[23:10:09] <Tom_itx> one of your neighbors?
[23:10:20] <Tom_itx> i take it you need toys to join the club
[23:18:55] <JT-Shop> or we laugh at you for working on the same cannon for years and years
[23:19:02] <JT-Shop> no toys needed
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[23:20:31] <FinboySlick> JT-Shop: Does the government get upset if your cannon reloads itself automatically every 1/60th of a second?
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[23:28:24] <JT-Shop> only if they find out
[23:28:45] <JT-Shop> if you have to crank it there is no problem
[23:29:17] <FinboySlick> Ooooh, old cavalry gathling!
[23:30:30] <JT-Shop> yep that is ok
[23:30:47] <JT-Shop> I have plans for a .22 gatling somewhere
[23:31:11] <r00t4rd3d> i have a cannon
[23:31:49] <FinboySlick> I'm canadian, they'll be banning forks before long.
[23:31:57] <r00t4rd3d> http://www.pocketartillery.com/
[23:32:03] <FinboySlick> Though I hear britain is a bit ahead on that front.
[23:32:09] <r00t4rd3d> canadians can order one too
[23:32:18] <Tom_itx> can i crank it with a servo?
[23:32:44] <FinboySlick> Tom_itx: Stick with the period, dude. Crank it with a steam engine.
[23:33:00] <FinboySlick> All brass steampunk shiny too.
[23:33:36] <jdh> no knives with points
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[23:35:57] <FinboySlick> jdh: Is that the actual rule?
[23:36:16] <JT-Shop> Tom_itx: no
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[23:37:27] <jdh> proposed brit law
[23:40:07] <mozmck> next it'll be no rocks...
[23:53:09] <FinboySlick> jdh: They need spoonguard.
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[23:53:50] <FinboySlick> http://www.youtube.com/watch?v=t6Dp2OfIT_M
[23:54:26] <FinboySlick> (it's not a very intelligent video, for those with no time to waste)
[23:59:03] <r00t4rd3d> so if i want to see if my machine will run faster do I up the Maximum Velocity abd Acceleration of each axis?
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[23:59:59] <r00t4rd3d> right now my velocity is set to 0.2 and Acceleration at 30.0