#linuxcnc | Logs for 2012-01-25

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[00:05:23] <Jymmm> Is DUAL CPU fully supported in LinuxCNC yet?
[00:05:44] <cradek> what do you mean by fully supported
[00:06:07] <cradek> and what do you mean by LinuxCNC - do you mean the kernel on our cd?
[00:06:12] <Jymmm> cradek: Like out of the box and can take advantage of the dual cpus?
[00:06:51] <cradek> guessing you mean our livecd. yes it is an smp kernel that uses both cpus.
[00:07:17] <Jymmm> cradek: (I'm not trying to be funny, just seeing if this mobo/cpu I have is worth it) http://www.supermicro.com/Aplus/motherboard/Opteron/nForce/H8DCE.cfm
[00:07:19] <cradek> you can also optionally reserve/isolate one cpu for exclusive use by the realtime tasks
[00:07:50] <Jymmm> cradek: It's two dual-core cpus actually, I don't know if that makes a difference.
[00:08:08] <cradek> dunno about nvidia chipset. if you're stuck using their video drivers, that can be problematic.
[00:09:04] <Jymmm> It's a server mobo, so not really expecting much performance video wise.
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[00:09:37] <cradek> that's not the point really, if you're wanting realtime performance
[00:09:45] <cradek> the nvidia binary drivers screw that up
[00:09:52] <Jymmm> Ah, ok.
[00:10:01] <cradek> but I don't know if you'd need to use them.
[00:10:14] <Jymmm> I wasn't sure if the nvidia issues were related to the high end nvidia chipsets or not.
[00:10:30] <Jymmm> s/related/isolated/
[00:10:59] <cradek> it's specifically their driver, I think
[00:11:12] <cradek> if you can use nv, noveau, or vesa, you're generally fine
[00:11:30] <Jymmm> Yeah, I think vesa is fine.
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[00:12:10] <Jymmm> Man it seems such a waste of a mobo like this.
[00:12:50] <Jymmm> 8 sata ports, great for a NAS box, but who wants a two cpu box idling around 24/7/365
[00:13:35] <Jymmm> cradek: Hey, hows the tape drive treating you?
[00:13:40] <cradek> it works great
[00:13:53] <cradek> backs up all my stuff and all of linuxcnc's stuff
[00:14:10] <cradek> also, sounds like a jet
[00:14:21] <Jymmm> cradek: Good to hear it, glad it wasn't a dud after all that freight and such.
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[00:14:37] <cradek> yeah, shipping was a pain, but worth it
[00:15:00] <Jymmm> cradek: Did all three drives work?
[00:15:26] <Jymmm> I wasn't sure about one of them.
[00:16:57] <cradek> I'm not sure I've ever done more than load and eject with all 3
[00:17:04] <cradek> I just use 1
[00:17:40] <Jymmm> Ah, heh.
[00:18:52] <Jymmm> I neither have nor want a clue about it - evil tape drives, YUCK! Just glad it's thousands of miles away from me ;)
[00:20:18] <Jymmm> cradek: Ok, do you think that mobo is worth running LCNC on?
[00:20:51] <cradek> are you trying to do something special or just run an everyday machine?
[00:21:08] <cradek> I'd probably never go looking to buy new hardware for use as a linuxcnc control
[00:21:09] <Jymmm> cradek: everyday stepper
[00:21:20] <cradek> meh just use whatever you've got in the basement then
[00:21:44] <cradek> I just updated mine from a p3-1000 to a p4-1xxx, both are perfectly adequate
[00:22:35] <andypugh> Bother! version 2 of my little PCB is wrong too, wrong pinout on the Hall sensors! This is getting annoying.
[00:22:44] <Jymmm> cradek: That's pert of the issue, I have too much HW here and trying to thin it all out. I have 3 or 4 1U servers, plus other mobo/cpu's etc and trying to figure out what to keep and what to toss.
[00:22:44] <cradek> arg!
[00:23:15] <andypugh> I have no-one to blame but myself, sadly.
[00:23:19] <Jymmm> Though 1U's are LOUDER THAN HELL ON RACE DAY!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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[00:24:20] <Jymmm> drag strip race day that is =)
[00:24:35] <andypugh> However I will probably use this as an excuse to design the Mk2 PCB to suit a much neater design.
[00:24:58] <PCW> fixable with X-acto /30 gauge wire editing?
[00:25:09] <andypugh> After all, nobody ever wants to finish a project if you can come up with a better idea :-)
[00:25:31] <andypugh> PCW yes, maybe even just with solder bridges.
[00:26:17] <andypugh> But I am slightly bugged by a couple of other issues too.
[00:26:43] <PCW> not a total loss, look on the bright side if you patch it you may find more errors to fix on Mk2
[00:27:11] <Jymmm> andypugh: sell them as patched cheap knockoffs =)
[00:27:44] <andypugh> I wonder if I can find sensors with the right pinout?
[00:28:41] <PCW> sometimes reverse bending the leads helps
[00:29:19] <PCW> (assuming they have leads)
[00:29:32] <andypugh> Not here, I have 0.2mm clearances between the sensors and moving parts.
[00:30:52] <andypugh> Why do they put the pin numbers on page 7 and functions on page 2?
[00:33:43] <PCW> Xilinx supplies pinouts as spreadsheets which are a nice starting point nice to massage into schematic library objects
[00:34:57] <PCW> I always get someone else to check my work, even then we screw up PCBs with fair regularity
[00:38:05] <PCW> probably getting too old for this...
[00:49:50] <MattyMatt> Jymmm I changed the cpu fan on this machine, wish I had 5 years ago
[00:50:37] <MattyMatt> maybe they used noisy ones on purpose, to make a statement
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[00:51:24] <MattyMatt> best £2 I've spent in ages
[00:52:57] <MattyMatt> don't forget Sod's Law. the thing you tossed yesterday is the thing you need today :) hoard it all
[00:53:13] <MattyMatt> do the 1U have wake on lan?
[00:57:47] <MattyMatt> microservers are catching on. I'd rather have 4 (quiet) 1U than VM's for a web server
[00:58:57] <Jymmm> There is no such thing as a QUIET 1U =)
[00:59:30] <alex4nder-> tag
[00:59:37] <alex4nder-> er yah,.. my 1Us all sound like they're going to take off.
[01:00:07] <Jymmm> one of mine has *SIX* 15,000 RPM fans in it... hostname == BANCHEE
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[01:10:14] <andypugh> Well, I have managed to mod one board, so it looks like I an get it working this week. I need more components though.
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[01:21:49] <skunkworks> andypugh: yay
[01:22:33] <andypugh> Well, I have mixed feelings, I had thought of a much neater way to do stuff, and I only have to change 3 of the main mechanical components...
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[01:26:17] <Jymmm> andypugh: How many boards did you get/order?
[01:26:45] <andypugh> 10
[01:27:06] <Jymmm> Oh, well thats not TOO many at least. Lot better than 20 or 50
[01:27:22] <andypugh> $14 all-in so I only care about the wasted time, not the money
[01:27:32] <Jymmm> andypugh: Oh, heh.
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[05:12:56] <Tecan> is there a torrent ?
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[06:30:25] <KimK> Tecan: There was at one time, not sure if it's still there, let me check.
[06:36:03] <KimK> Tecan: It says it's working, but I'm not sure what the torrent link is. Will the tracker URL do?
[06:39:22] <Jymmm> Hi KimK
[06:41:46] <KimK> Hi Jymmm, how are things?
[06:41:46] <Jymmm> KimK: Hanging in there as usual =) yourself?
[06:42:36] <KimK> Yes, same here, no big news.
[06:44:22] <Jymmm> Well, I guess that's a good thing (tm)
[06:48:29] <KimK> Tecan: OK, try this for the torrent link: http://linuxtracker.org/download.php?id=eebd5ddae35ed3f9a0438efd0afbea467f456af1&f=ubuntu-10.04-linuxcnc1-i386.iso.torrent
[06:49:14] <KimK> Jymmm: Working on any projects lately?
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[06:50:06] <Jymmm> KimK: Only cleaning up the chaos that is my garage. I can almost see bench top again =)
[06:51:22] <KimK> Jymmm: Ha, yes, I need to do something like that too.
[06:52:06] <Jymmm> KimK: Well, more of a necessity. Once cleaned up, then I can work finish a couple projects for the laser
[06:54:41] <KimK> Jymmm: That sounds interesting, maybe post some videos when you get it all sorted out?
[06:56:03] <Jymmm> KimK: Heh, not THAT type projects. I need to plumb in air and create a cutting table for the laser potentially with vacuum holddown using the exhaust blower as sucking power
[06:58:16] <KimK> Jymmm: Hey, two birds with one stone, I like it. Wait, vacuum holddown = low/no flow and high vacuum, while exhaust = high flow and low vacuum. Problem?
[06:59:33] <Jymmm> KimK: Adjustable deflector.... to be able to have JSUT enough holddown while still having enough exhaust too
[07:00:14] <Jymmm> KimK: Most smoke/fumes will come from the underside
[07:01:51] <KimK> Jymmm: Yes, that might work, I forgot that with a laser your cutting forces are pretty low, lol.
[07:02:26] <Jymmm> Yeah, just need to keep the thin material from curling mostly.
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[12:41:28] <IchGucksLive> Hi all around the world
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[12:47:02] <Guest85744> was schaust du denn live?
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[12:54:15] <IchGucksLive> alles
[12:54:31] <IchGucksLive> Mount everest momentan die kraxeln schön
[12:54:42] <IchGucksLive> eng channel speking
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[16:05:21] <mrsun> hmm, T nuts etc, how do you measure them ? ... it says "T nut for 10mm T slot" ... is that the slot that the bolt goes throught, or the bottom of the slot width etc?
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[16:18:21] <cradek> the top skinny part
[16:19:06] <mrsun> so the place where the bolt goes throught then ? :)
[16:19:24] <mrsun> http://www.te-co.com/detail/tooling-components/t-slot-nuts-la.jpg <-- the B part there? :)
[16:21:39] <A2Sheds> yes the B
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[17:58:29] <mrsun> hmm, seems the sieg x1 has 8mm ...
[17:58:37] <mrsun> smalest set of hold downs i can buy have 10mm
[18:03:44] <jdhNC> http://littlemachineshop.com/products/product_view.php?ProductID=2039&category=1062702310
[18:05:55] <mrsun> http://www.miteebite.com/products/t-slot_toe_clamp_e.html oh nice =)
[18:06:16] <mrsun> jdhNC, thats from littlemachineshop, not there im buying stuff atm :P
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[18:32:59] <IchGucksLive> Hi all im loosless in finding a sketch to drive a DC brushed 24V 4A servo with A/B encoder to drive on parport of linuxcnc
[18:33:11] <IchGucksLive> someone can help me on this
[18:33:46] <jdhNC> do you have a servo drive?
[18:34:05] <IchGucksLive> no only the motor
[18:34:11] <IchGucksLive> no driver stage
[18:35:20] <IchGucksLive> http://www.youtube.com/watch?feature=endscreen jdhNC
[18:35:37] <IchGucksLive> Faulhaber same as in the viio
[18:35:43] <IchGucksLive> video
[18:48:20] <skunkworks> IchGucksLive: do you use eagle?
[18:48:58] <IchGucksLive> yes
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[18:51:33] <skunkworks> IchGucksLive: probably over-kill and only lightly tested... http://www.electronicsam.com/images/KandT/servostart/schem/latestcurrentlimit/
[18:53:35] <IchGucksLive> skunkworks: thanks
[18:56:14] <skunkworks> use at your own risk. :)
[18:58:23] <mrsun> skunkworks, that capacitor kinda steals the show doesnt it? :P
[18:58:31] <skunkworks> :)
[19:00:32] <mrsun> anyone more have trouble with youtube?
[19:06:04] <jdhNC> other than your link being incorrect?
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[19:10:06] <skunkworks> seems to work here.
[19:10:26] <skunkworks> (youtube - not IchGucksLive's link)
[19:13:47] <IchGucksLive> B)
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[20:58:58] <TRW_Aguascalient> Hi, some body with experience using the mesa 7i37COM isolation card?
[21:01:53] <cradek> I'm not sure what COM means, but I think the 7i37 is among the most commonly used mesa cards
[21:02:03] <cradek> so please ask your real question and I bet someone can help
[21:03:29] <TRW_Aguascalient> from the manual
[21:03:30] <TRW_Aguascalient> The 16 opto-isolated inputs have a common negative input and will
[21:03:31] <TRW_Aguascalient> operate with input voltages from 4 to 24 V.
[21:04:10] <cradek> aha, apparently COM means common
[21:04:15] <TRW_Aguascalient> this board has a connector labeled INC that is the common for all the inputs
[21:04:28] <cradek> this saves making a lot of little jumper wires
[21:06:49] <TRW_Aguascalient> if i connect the negative side of a 24Vcd source to INC and the positive side to IN0 nothing happens, no one of the surface mounted leds turn on and the value of the pin related with that input never changes from TRUE
[21:08:06] <cradek> my understanding is that the LEDs are not supposed to turn on in normal operation. They are indicators that you've hooked it up backward.
[21:08:15] <jdhNC> heh really?
[21:08:40] <andypugh> The onboard LEDs on at least some of the Mesa boards don't operate if the card isn't being polled.
[21:08:54] <jdhNC> what do you have the 7i37 hooked up to?
[21:09:02] <cradek> so if the related input never changes to true, perhaps you have a problem in your hal configuration, like not having added the card's read function to a thread, or you have an incorrect firmware, or are monitoring the wrong hal pin.
[21:09:29] <andypugh> Have you added hm2_5i23.0.read (or similar) to a thread. Has the watchdog bitten?
[21:09:31] <cradek> jdhNC: yes they are the reverse protection diodes that just happen to light up! :-)
[21:09:50] <jdhNC> that's kind of cool, nice side effect
[21:10:00] <TRW_Aguascalient> i can write the outputs with out trouble
[21:10:04] <jdhNC> I have a 7i37TA sitting here, but never hooked up
[21:10:20] <TRW_Aguascalient> is connected to a 5i20
[21:10:48] <mrsun> would the magnets of a magnet table suck throught thin paper? :)
[21:10:51] <mrsun> or tape
[21:10:59] <mrsun> or does it have to have real electrical connection ?
[21:11:57] <TRW_Aguascalient> no the watchdog has not bitten
[21:13:26] <mrsun> the table topside is off 0.02mm ... but it still needs work, so i was thinking of getting it ground now that ive measured it... so i was thinking of shimming the low side to match the high side while grinding, after that all surfaces should be flat to eachother :P
[21:13:33] <mrsun> atleast flat enough =)
[21:14:30] <andypugh> mrsun: Should be OK.
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[21:14:55] <andypugh> mrsun: But why not shim under the table?
[21:15:08] <mrsun> andypugh, eh ? :)
[21:15:30] <mrsun> its under the table while grinding it
[21:15:32] <andypugh> Shim to level the table, not to level the work on the table
[21:15:49] <mrsun> andypugh, well cant realy shim the table on the machine can i :P
[21:16:02] <andypugh> I don't know, I am confused now.
[21:16:26] <andypugh> Normally you would grind the top of the table on the machine.
[21:16:45] <mrsun> while grinding the table i need to shim one side of it to make the top side of the table flat to the ways of the table
[21:17:03] <andypugh> Of course, if that has been done too many times before, then you might not want to do that.
[21:17:19] <TRW_Aguascalient> thanks for the tip about the leds, is in the manual but for a not native speaker some times is hard to catch the details
[21:17:48] <cradek> TRW_Aguascalient: did you set the parameters related to making the pins inputs?
[21:17:49] <andypugh> mrsun: No, if you are truing the table in-situ then you want it bolted down in place as it will be used.
[21:18:10] <mrsun> "in-situ" ?
[21:18:39] <andypugh> TRW_Aguascalient: I think cradek probably has it.
[21:19:01] <andypugh> hm2_5i23.0.gpio.001.is-input = true?
[21:19:06] <TRW_Aguascalient> i just set the outputs with is_output
[21:19:38] <andypugh> Ah, yes, it's that way round isn't it?
[21:19:48] <TRW_Aguascalient> i will tray i didt see that part in the hm2 section of the integrators manual
[21:20:06] <andypugh> TRW_Aguascalient: No, ignore me, I am wrong.
[21:20:07] <cradek> oh right, they default to input
[21:20:09] <cradek> hmm
[21:20:22] <cradek> are you positive you have the right bits?
[21:20:39] <mrsun> andypugh, what does "in-situ" mean ?
[21:20:49] <andypugh> in place?
[21:21:19] <cradek> TRW_Aguascalient: which 5i20 connector is it plugged into?
[21:21:58] <mrsun> andypugh, i dont see how much difference it would do ? :) as nothing realy presses on the table while its in place more then that very very small force from the gibs? :)
[21:21:58] <TRW_Aguascalient> p3, in p2 i have a 7i33 working nice with tow servos
[21:22:03] <andypugh> mrsun: Lets rewind... You have a magnetic table on a surface grinder, and the magnetic table isn't true to the ways?
[21:22:25] <mrsun> andypugh, no, the magnetic table is on the surface grinder and i want my table for the mill ground =)
[21:22:29] <mrsun> using that magnetic table :P
[21:22:34] <andypugh> Ah!
[21:22:48] <cradek> TRW_Aguascalient: check dmesg after loading the driver, to make sure you have the right pin numbers
[21:23:32] <andypugh> TRW_Aguascalient: Are you in Axis?
[21:23:33] <cradek> first one is hm2_5i20.0.gpio.025.in I think?
[21:23:44] <TRW_Aguascalient> ok i will thaks for the help guys, is so nice to have help like this
[21:24:21] <cradek> I think the inputs for 7i37 on P3 are hm2_5i20.0.gpio.025.in through hm2_5i20.0.gpio.039.in
[21:25:06] <cradek> also make sure hm2_5i20.0.read is in a running thread
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[21:33:05] <mrsun> andypugh, so you think putting something realy thin inder one side wouldnt do anything even if its not made of steel ? :)
[21:33:55] <dvmirc> last time i checked magnetism acted through paper
[21:34:38] <andypugh> mrsun: I reckon so. What's the worst that can happen?
[21:34:54] <mrsun> andypugh, that the table moves and ruins stuff? :P
[21:35:29] <mrsun> aluminiumfoil aparently is 0.01 - 0.015mm thick, i guess i could use that =)
[21:35:40] <andypugh> Better might be to support the table on the bearing surfaces (you would need precision magnet-blocks)
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[21:36:09] <andypugh> Shimming one end might bend the table, by the way.
[21:36:32] <mrsun> andypugh, its a whole side of the table that is 0.02 lower then the other side
[21:36:45] <mrsun> the bearing surfaces i cant get to without using something to offset it up like 1cm
[21:37:10] <andypugh> mrsun: Yes, but what do you know about the surface that you are going to have against the magentic table?
[21:37:44] <andypugh> It's no hood shimming the bottom face of the table if the ways are offset to that.
[21:37:48] <andypugh> (no good)
[21:37:55] <mrsun> andypugh, that its flat according to my measurments and its 0.02mm off :P
[21:38:24] <mrsun> andypugh, the surfaces are exactly the same amount off as the bearing surfaces according to my measurments
[21:38:30] <andypugh> mrsun: OK.
[21:38:32] <mrsun> so i guess the chinease has done something right atleast :P
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[21:38:41] <mrsun> gonna measure some more tomorrow just to be sure =)
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[21:51:09] <Jymmm> jepler: Just FYI... ~jepler@ ---> emc <--- /developer/pdpc.professional.jepler)
[21:51:29] <cradek> Jymmm: we're working on that... it's complicated
[21:51:29] <jepler> Jymmm: we're working on it.
[21:51:39] <cradek> thanks
[21:51:57] <Jymmm> It's all good, just so much crap thought it might have been an oversite.
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[21:52:39] <Jymmm> =)
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[22:22:02] <slime> finished
[22:22:05] <slime> http://amalas.eu/~slime/PROJECTS/CNC/vespa/
[22:22:40] <alex_joni> cool
[22:23:08] <bill20r3> Mmm vespa
[22:23:19] <bill20r3> I loves me some scooters.
[22:23:44] <pfred1> it doesn't look finished
[22:24:06] <slime> what?
[22:24:09] <slime> y?
[22:24:36] <bill20r3> I think that's a lambretta.
[22:24:38] <pfred1> it is in pieces
[22:24:39] <bill20r3> :-)
[22:25:19] <alex_joni> pfred1: last pic ;)
[22:25:21] <slime> pfred1: take a look at the last picture
[22:25:52] <pfred1> oh OK I didn't notice it was a picture I thought it was some other kind of file
[22:26:15] <pfred1> slime yes finished in http://amalas.eu/~slime/PROJECTS/CNC/vespa/Holz-Laufrad_Vespa_Birke_gewachst_-_miokij_-_ueber_dawanda_com.03.jpg
[22:26:53] <pfred1> slime you make that seat yourself?
[22:27:16] <slime> my wife
[22:27:33] <pfred1> well she did a great job on it really caps it off
[22:27:35] <slime> she also made the design, cad, cam
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[22:29:46] <slime> and now, u can buy one here
[22:29:48] <slime> http://de.dawanda.com/product/23573021-Holz-Laufrad-Vespa-Birke-gewachst
[22:31:52] <pfred1> there is a lot of information about G Code in the User Manual but I'm still not feeling like I am learning how to write the stuff is there any other reference that can show me how to write a simple program?
[22:32:45] <slime> why dont use a cam program?
[22:33:24] <pfred1> not what I'm looking to do now just need a program to calibrate my machine with
[22:33:32] <sirHOAX> http://tinyurl.com/7m3e5hg
[22:34:09] <pfred1> basically I want to write a program that will move one axis a specific distance then measure it to see if it moved the correct distance
[22:34:54] <slime> use the MDI
[22:35:25] <slime> to make a single move it makes no sense to write a program
[22:35:27] <pfred1> I'm not loking for alternatives
[22:35:38] <alex_joni> slime: nice, but a bit pricey
[22:35:55] <pfred1> I am looking for a tutorial that shows me how to write a basic G Code program
[22:36:32] <slime> alex_joni: i cant do it much cheaper
[22:36:41] <pfred1> slime yes you can
[22:37:03] <slime> i´m not obama :D
[22:37:31] <pfred1> slime 49.99
[22:37:36] <slime> rofl
[22:38:02] <andypugh> Definitely a Vespa, no space in front of the rear wheel for an engine :-)
[22:38:31] <andypugh> pfred1: That's G0
[22:38:46] <andypugh> Or G1 to do it slowly
[22:39:05] <pfred1> andypugh I thought you wanted me to play a game of chinese checkers for a second there
[22:39:10] <slime> andypugh: he will write a programm
[22:39:16] <slime> u forget the header ;)
[22:39:31] * pfred1 knows 0 about G Code
[22:39:37] <andypugh> You don't need a header for G0
[22:39:47] <slime> i know
[22:40:10] <slime> but if u run a programm u should use a header
[22:40:44] <pfred1> OK so lets say I wanted to move my Z axis 1 inch I just specify the axis then G0 1.0 ?
[22:41:03] <slime> G0Z1
[22:41:15] <slime> pfred1: up or down?
[22:41:22] <pfred1> slime that is what Godzilla has on his license plate
[22:41:50] <slime> hrhr
[22:42:04] <pfred1> well right not technically it is side to side because i have it layin down but yeah lets pretend it is up and down
[22:42:57] <pfred1> well I'll fire it up and try it out thanks
[22:43:00] <slime> G0Z1 is up in most cases
[22:43:04] <pfred1> GOZ1
[22:43:05] <slime> G0Z-1 is down
[22:43:10] <pfred1> ah OK
[22:43:28] <pfred1> I'll try both
[22:43:36] <pfred1> bbiab
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[23:02:47] <pfred1> now I have to figure out why when I command my axis to move 1 it moves .233
[23:03:17] <pfred1> people say it is because of my scale value in my ini but as far as I can tell that is correct for my machine
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[23:03:45] <pfred1> unless these lead screws I am using are not 10 TPI
[23:04:51] <andypugh> pfred1: It could be that. Or perhaps they are two-start threads?
[23:05:56] <pfred1> I am counting 11 lands in 1 inch
[23:06:22] <pfred1> but even it they were 11 TPI that still wouldn't make it off by this much
[23:10:55] <pfred1> beats me i just looked at the ini file looks right to me
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[23:12:23] <pfred1> 400 steps per rev with a 10 TPI lead screw is a scale of 4000 right?
[23:12:50] <andypugh> Yes
[23:13:02] <pfred1> maybe my units is wrong?
[23:13:20] <pfred1> like what is .233 in metric?
[23:13:28] <JT-Shop> .233
[23:13:35] <pfred1> no .233 of an inch
[23:13:45] <andypugh> Are you editing the INI file directly?
[23:13:51] <pfred1> I am now
[23:14:53] <andypugh> 1mm is 0.0393"
[23:15:13] <andypugh> So I think you would notice if it was in metric
[23:15:55] <andypugh> You are moving approx 6mm.
[23:16:09] <andypugh> It may be that the accell/velocity are too high.
[23:16:41] <andypugh> Divide both numbers by 20 in the iNI and see what happens.
[23:16:51] <JT-Shop> .233" = 5.9182mm
[23:21:29] <archivist> any belt/gears between stepper and leadscrew
[23:21:57] <pfred1> archivist no just a piece of rubber hose
[23:22:18] <andypugh> Is it slipping?
[23:22:22] <pfred1> andypugh I have that set low
[23:22:26] <archivist> does the hose slip (common problem)
[23:22:31] <pfred1> well if it is it is one precision slip
[23:22:49] <pfred1> ah no it is accurate to 0.001 of an inch
[23:22:56] <slime> maybe the wron gcode active?
[23:22:59] <slime> G20/G21
[23:23:16] <pfred1> well on the display i can see the numbers
[23:23:34] <andypugh> I guess you would notice 0.767" of backlash.
[23:24:02] <pfred1> here is a question how come when I home my Z axis it goes to 0.085 and not just 0 ?
[23:24:18] <pfred1> all my other axises homed are just 0
[23:24:22] <pfred1> but X is this 0.085
[23:24:22] <andypugh> You have hoe switches?
[23:24:25] <pfred1> Z I mean
[23:24:29] <pfred1> no
[23:24:34] <pfred1> no home switches
[23:24:44] <slime> make a touch off
[23:24:53] <pfred1> ah OK
[23:24:54] <andypugh> Are you showing machine or relative coordinates (#)
[23:24:58] <pfred1> touch off will zero it?
[23:25:10] <pfred1> andypugh that is a good question
[23:25:18] <pfred1> let go try to figure out the answer
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[23:26:03] <pfred1> relative actual and world are ah on?
[23:26:13] <pfred1> depressed what would I call it?
[23:26:32] <pfred1> what is the proper term?
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[23:30:50] <andypugh> "#" ?
[23:31:01] <andypugh> A. "selected"
[23:31:29] <pfred1> I can't find touch off in tkemc
[23:31:34] <andypugh> You have "world" as an option?
[23:31:44] <pfred1> andypugh I appear to
[23:31:57] <pfred1> don't ask me what it is or means
[23:32:04] <pfred1> its all new to me here
[23:32:14] <pfred1> is that bad?
[23:32:27] <pfred1> how do I fix it?
[23:32:29] <andypugh> It's a surprise. Is this a gantry?
[23:32:38] <pfred1> it is supposed to be
[23:32:47] <andypugh> Ah, OK then.
[23:32:59] <pfred1> right now all I have is the Z axis laying sideways on my workbench
[23:33:19] <jdhNC> don't we all
[23:33:19] <pfred1> but just you and me know that I don't think the computer is wise to the fact
[23:34:00] <pfred1> I'd like to get this axis working how I think it should before I proceed
[23:34:07] <andypugh> If you are using a gantry config you probably have gantrykins in use, so you get World and Joint modes.
[23:34:18] <andypugh> Do you see numbers or letters for joint positions?
[23:34:21] <pfred1> well roll me a fatty
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[23:34:42] <pfred1> just X Y and Z
[23:35:18] <pfred1> I don't know let me go look at it again for different numbers
[23:35:53] <pfred1> I found my -0.085 it is in work offsets
[23:36:20] <pfred1> I'll have to look into how to zero that out
[23:36:34] <andypugh> G92.1 I think
[23:38:35] <andypugh> in Python is "1" == 1 ?
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[23:56:33] <Somethingelse> man freenode is hosed tonight
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[23:58:09] <pfred1> if my machine was missing steps because it is set too fast would I be getting exactly the same movements all the time?
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[23:58:47] <pfred1> slime wb
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[23:59:16] <andypugh> pfred1: Oddly enough, maybe
[23:59:48] <andypugh> It will reach the same speed in very much the same place each time.
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