#linuxcnc | Logs for 2012-11-02

[00:00:36] <andypugh> You only need to edit one file. Why not just do it?
[00:05:18] <Aero-Tec> I did
[00:05:23] <Aero-Tec> and it fixed it
[00:05:27] <Aero-Tec> thanks a mill
[00:05:40] <Aero-Tec> 12044
[00:05:48] <Aero-Tec> not 250K plus
[00:05:52] <andypugh> That's pretty good.
[00:06:09] <Aero-Tec> now I need to fix the ini to set the timeing
[00:06:35] <Aero-Tec> will to a fack ini setup and copy the number over
[00:06:48] <Aero-Tec> unless there is a better way to go
[00:06:52] <andypugh> JT-Shop: It seems to struggle to find a tapping drill for M12x1.75
[00:07:42] <andypugh> I have no idea what you were trying to say there.
[00:08:02] <Aero-Tec> thought for metric taps you just subtracted
[00:08:09] <andypugh> Aye.
[00:08:30] <andypugh> M6x1 = 5. M12x1.75 = 10.25
[00:08:34] <Aero-Tec> should be 10.25
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[00:09:03] <andypugh> Probably a 10.2 drill though.
[00:10:11] <Aero-Tec> the hole it drills should be close to 10.25
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[00:11:21] <Aero-Tec> so use the wiz and setup a temp comfig and use it to find the numbers for my jitter
[00:11:51] <Aero-Tec> edit the real config to the new numbers
[00:11:57] <Aero-Tec> that is the plan
[00:12:15] <JT-Shop> andypugh: did you check off all the drill types?
[00:12:22] <andypugh> Yes
[00:12:28] <andypugh> Try it...
[00:12:41] <JT-Shop> ok
[00:14:25] <andypugh> I have a special drill box with the correct sizes for M2 to M12 in it.
[00:14:55] <andypugh> M2 x 0.4 6g recommended tapping size 0.35mm for 313% engagement...
[00:14:58] <JT-Shop> for steel or aluminum?
[00:15:11] <JT-Shop> that's tight
[00:16:36] <andypugh> I think your drill picker needs work :-) M3 lists every drill up to 1/16. From 400% to 200% engagment.
[00:16:52] <andypugh> Is it being confused by the inverse pitch of metric?
[00:17:55] <JT-Shop> I did some work on the metric today guess I'm not done yet.. it locked up on me for M12
[00:19:51] <JT-Shop> does it work for < M10 for you?
[00:20:43] <andypugh> It works, but come up with poor dril size choices.
[00:21:35] <JT-Shop> it should show >50% to <100% thread
[00:21:41] <andypugh> It gets M6 OK. Smaller ones get increasingly undersized, and larger ones increasingly oversized.
[00:22:00] <JT-Shop> must be a formula problem then
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[00:23:31] <Aero-Tec> now I get joint following error
[00:23:56] <Aero-Tec> whats up with that?
[00:24:03] <Aero-Tec> did not get that before
[00:24:12] <andypugh> That tends to be when the base period is too long. But there are other possible causes.
[00:24:43] <Aero-Tec> that was one of the weird parts
[00:24:55] <Aero-Tec> is was around 24K
[00:25:08] <Aero-Tec> but the new number came out as 100K
[00:25:24] <andypugh> Stepconf does that. (I don't think it should)
[00:25:24] <Aero-Tec> thought that add
[00:25:37] -!- factor has quit [Read error: Connection reset by peer]
[00:25:52] <Aero-Tec> so what should I set it at?
[00:25:55] <andypugh> I probably decided that your peak velocity could be handled at 100k
[00:26:11] <andypugh> 25k maybe?
[00:26:24] <andypugh> 100k is probably fine if you put in the correct max velocity
[00:26:27] <Aero-Tec> so change it to 25K?
[00:26:40] <andypugh> I would.
[00:26:56] <andypugh> I think Stepconf misses the thread granularity issue.
[00:27:12] <Aero-Tec> the wiz said something about the litter being 27K
[00:27:27] <Aero-Tec> but mine was 12.044
[00:27:32] <Aero-Tec> 12044
[00:27:47] <andypugh> What is your step scale? What is your max velocity?
[00:27:49] <Aero-Tec> less then 1/2
[00:28:12] <Aero-Tec> will have to look that up
[00:28:40] <Aero-Tec> guess I will link that dir by net so I can do it from here instead of running all the time
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[00:32:27] <Aero-Tec> changed to 25K and that fixed the problem
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[00:37:26] <Aero-Tec> it is not allowing me to open the file in my windows computer
[00:37:37] <Aero-Tec> I can see it but not open it
[00:38:21] <Aero-Tec> there should not be anything accesssing that file on the emc computer
[00:38:45] <andypugh> Maybe a share rights problem?
[00:39:05] <Aero-Tec> so it should be available
[00:39:12] <Aero-Tec> how do I change that?
[00:39:14] <andypugh> You aren't logged in as guest are you?
[00:39:28] <Aero-Tec> not on the emc computer
[00:39:37] <Aero-Tec> I am a user
[00:39:44] <Aero-Tec> not guest
[00:39:46] <andypugh> How dod you log into the EMC comp from Windows?
[00:40:05] <Aero-Tec> the windows computer I am not sure what it is telling the emc computer
[00:40:11] <Aero-Tec> no
[00:40:17] <Aero-Tec> shared the dir
[00:40:28] <Aero-Tec> so the win comp can see the emc dir
[00:40:48] <andypugh> I am a Mac guy. Can't help you with Win/Linux issues.
[00:40:55] <Aero-Tec> I did the same with the mill and can play with the files there
[00:41:24] <Aero-Tec> your running emc on a mac?
[00:41:38] <andypugh> No.
[00:42:12] <andypugh> But I sit in front of a Mac most of the time when working on LinuxCNC stuff.
[00:42:26] <Aero-Tec> ok will figger this out and get back to you on what you asked
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[00:42:40] <Aero-Tec> right now the X is working good
[00:42:50] <Aero-Tec> the Z is set wrong
[00:42:59] <Aero-Tec> it trips the drive error
[00:43:09] <Aero-Tec> to much acc or speed
[00:43:18] <andypugh> PCW: Getting bored of this Arduino resolver thing now. I am sure it was working previously, now all my channels cross-talk to each other.
[00:43:19] <Aero-Tec> opr both
[00:43:57] <andypugh> Aero-Tec: Check that the stepgen accs are bigger than the axis accs
[00:44:15] <Aero-Tec> ok
[00:44:17] <Aero-Tec> will do
[00:44:23] <andypugh> Hang on. "Drive error" not "Following Error"?
[00:44:31] <Aero-Tec> yes
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[00:44:43] <Aero-Tec> the driver is tripping
[00:44:45] <Aero-Tec> not emc
[00:44:52] <andypugh> Stepper drive?
[00:45:00] <andypugh> Or step-servo?
[00:45:06] <Aero-Tec> it was following error till I set the 100K to 25K
[00:45:17] <Aero-Tec> servo
[00:45:24] <Aero-Tec> gecko
[00:45:39] <Aero-Tec> just upgraded to 320X
[00:46:01] <Aero-Tec> so now x works fine
[00:46:13] <andypugh> You probably need to reduce the axis accelleration limits. You can probably leave the stepgen ones where they ae.
[00:46:14] <Aero-Tec> the Z is the one tripping the drive
[00:46:35] <Aero-Tec> I also setup backlash on it
[00:47:19] <Aero-Tec> so did what they said about setting something 2 times faster for the back lash
[00:47:26] <andypugh> I think Mesa should put a couple of all their cards on an eBay shoppe.
[00:47:53] <Aero-Tec> I plan to get some Mesa cards soon
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[00:47:56] <Aero-Tec> $$$
[00:47:57] <Aero-Tec> lol
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[00:48:33] <andypugh> Aero-Tec: 5i25 + 7i76 is $200 and will make your life so much easier.
[00:49:10] <andypugh> But $200 is $200
[00:49:39] <Aero-Tec> I am in start up mode still
[00:49:45] <Aero-Tec> so buys stock
[00:49:48] <Aero-Tec> tooling
[00:50:12] <Aero-Tec> and fighting with mach and doing this conversion has made things tight
[00:50:36] <Aero-Tec> 7i76, what is it used for?
[00:50:45] <Aero-Tec> I know the 5i25
[00:50:49] <andypugh> It's a BoB
[00:51:03] <Aero-Tec> ok
[00:51:10] <Aero-Tec> so one or 2 of them?
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[00:51:18] <andypugh> Well, it is far more than that, but it goes where a BoB would be
[00:51:36] <Aero-Tec> the 5i25 out puts 2 P ports does it not?
[00:52:04] <andypugh> They look like p-ports. They aren't
[00:52:37] <Aero-Tec> so one 7i76 is all I need for the one 5i25?
[00:53:03] <Aero-Tec> what will that give me for IO and what ever else?
[00:53:47] <Aero-Tec> would like to connect spindle control some time soon
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[00:54:25] <andypugh> Yes. A 7i76 has 5 (or 6 I forget) places to hook up stepper drives (and can step at MHz) plus 32 inputs and 16 outputs. Plus a VFD potentiometer-emulator
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[00:56:27] <andypugh> If you run out of stepper terminals then the rather cheaper 7i78 can connect to the same 5i25 and add another 4 step drives.
[00:56:29] <roh> hm. any place to get those in europe you can recommend?
[00:57:10] <andypugh> roh: Try www.mesanet.eu
[00:57:38] <andypugh> But if you are in .de then I think there is somewhere there too
[00:59:04] <andypugh> Hmm, duzi.cz is not looking great right now
[01:01:12] <andypugh> pcw_home: Is there a Mesa distributor in .de at the moment? There was one that appeared to think it was sound business sense to double the imported-from-the-US price a while ago
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[01:02:18] <Aero-Tec> [AXIS_0]
[01:02:20] <Aero-Tec> TYPE = LINEAR
[01:02:22] <Aero-Tec> HOME = 0.0
[01:02:23] <Aero-Tec> MAX_VELOCITY = 1.97916666667
[01:02:25] <Aero-Tec> MAX_ACCELERATION = 10.0
[01:02:26] <Aero-Tec> STEPGEN_MAXACCEL = 20
[01:02:28] <Aero-Tec> SCALE = 19875.0
[01:02:29] <Aero-Tec> FERROR = 0.05
[01:02:31] <Aero-Tec> MIN_FERROR = 0.01
[01:02:33] <Aero-Tec> MIN_LIMIT = -8.0
[01:02:34] <Aero-Tec> MAX_LIMIT = 8.0
[01:02:36] <Aero-Tec> HOME_OFFSET = 0.0
[01:02:38] <Aero-Tec> BACKLASH = 0.0083
[01:02:39] <Aero-Tec> [AXIS_2]
[01:02:40] <Aero-Tec> TYPE = LINEAR
[01:02:42] <Aero-Tec> HOME = 0.0
[01:02:43] <Aero-Tec> MAX_VELOCITY = 1.0
[01:02:45] <Aero-Tec> MAX_ACCELERATION = 6.0
[01:02:46] <Aero-Tec> STEPGEN_MAXACCEL = 18
[01:02:48] <Aero-Tec> SCALE = 11165
[01:02:50] <Aero-Tec> FERROR = 0.05
[01:02:51] <Aero-Tec> MIN_FERROR = 0.01
[01:02:52] <Aero-Tec> MIN_LIMIT = -50.0
[01:02:54] <Aero-Tec> MAX_LIMIT = 50.0
[01:02:54] <andypugh> Please don't
[01:02:56] <Aero-Tec> HOME_OFFSET = 0.0
[01:02:58] <Aero-Tec> BACKLASH = 0.0126
[01:03:14] <andypugh> pastebin?
[01:03:24] <Aero-Tec> are you talking to me?
[01:03:28] <andypugh> yes
[01:04:02] <Aero-Tec> sorry
[01:04:24] <Aero-Tec> you were asking about the settings
[01:04:37] <Aero-Tec> I finaly got win seeing the files
[01:04:45] <Aero-Tec> well accessing them
[01:05:22] <andypugh> The Z looks more conservative. I wonder if that drive has been configured with a lower current limit?
[01:06:39] <Aero-Tec> the Z has a planetary
[01:06:47] <Aero-Tec> the x does not
[01:07:16] <andypugh> Based on the scales and velocities that shouldn't matter
[01:07:55] <Aero-Tec> how can one tell what one is X and what one is Z?
[01:08:07] <andypugh> 0 is X, 2 is Z
[01:08:20] <andypugh> XYZABCUVW is 012345678
[01:08:59] <Aero-Tec> guess I should set set max to 12
[01:09:01] <Aero-Tec> not 18
[01:09:03] <andypugh> (But that exact correspondence is bad, and due to be removed eventually)
[01:09:54] <Aero-Tec> so for a lathe setup
[01:10:01] <Aero-Tec> does it look good?
[01:10:22] <Aero-Tec> any recommendations?
[01:10:30] <andypugh> It doesn't look glaringly unreasonable.
[01:12:15] <Aero-Tec> the current is set to max
[01:12:26] <Aero-Tec> so that should not be the problem
[01:14:03] <Aero-Tec> max v is units per second
[01:14:11] <Aero-Tec> so inches per second
[01:14:13] <Aero-Tec> right?
[01:15:07] <Aero-Tec> 1 inch per sec is 60 per min, would that be to high?
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[01:16:29] <Tom_itx> i get around 80 or so from my mill
[01:16:47] <Aero-Tec> this is a lathe
[01:16:57] <Aero-Tec> the Z has a gear down on it
[01:17:04] <Aero-Tec> for more power
[01:17:15] <Aero-Tec> so speed will suffer
[01:17:49] <Aero-Tec> it is a servo system
[01:20:22] <Aero-Tec> got to be max v that is the problem
[01:20:52] <Aero-Tec> acc witht he gear drive should be able to have great acc
[01:21:14] <Aero-Tec> tima to play
[01:21:46] <Aero-Tec> the funny thing was it was working well
[01:22:01] <Aero-Tec> did all sorts of testing on it and it was good
[01:22:16] <Aero-Tec> not sure why it is now acting up
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[01:26:43] <andypugh> step-servos are evil :-)
[01:27:54] <andypugh> There is another way to configure the Gecko servo drive. It is a fair bit of work but might work better (or, alternatively, worse).
[01:28:40] <andypugh> The trick is to treat it as a conventional servo drive, but one that takes a step/dir pulse stream as input.
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[01:29:54] <andypugh> You configure the stepgens in velocity-mode, then drive them with a PID in HAL like you would with a servo system. Then the LinuxCNC sends step pulses to correct position errors in the encoder feedback.
[01:30:09] <andypugh> Probably not a real option with a parport system.
[01:32:58] <Nick001> Will LCNC interface directly to gecko stepper drives or what interface card.
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[01:34:57] <PCW> andypugh:I think willem whatever his name is runs parallel port stepgen with feedback
[01:37:02] <andypugh> He does all sorts of crazy stuff. :-)
[01:38:07] <andypugh> Nick001: Yes, you can basically plug them directly to the parport.
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[01:38:46] <Nick001> and linear scales also?
[01:38:52] <Tom_itx> you'll get better results with a mesa card though
[01:39:27] <andypugh> Probably not. I would imagine that a linear scale would overwhelm a parport
[01:40:02] <andypugh> Nick001: Quadrature scales? What pulse rate?
[01:40:26] <Nick001> which mesa card - ordered one and turns out LCNC didn't support it so I had to cancell it
[01:40:52] <andypugh> Which one did you order?
[01:41:19] <Nick001> says its quad but don't know about pulse rate - tied to stepper speed?
[01:41:54] <andypugh> What resolution is the scale, and how fast will you move?
[01:42:05] <PCW> resolution x velocity
[01:42:06] <Nick001> 7i32?
[01:42:51] <Nick001> about 30ipm - 200 steps/rev
[01:43:06] <andypugh> Ah, yes. it's almost the only card with no LinuxCNC support
[01:43:38] <Nick001> what one will work with 5i20?
[01:43:45] <andypugh> Nick001: 30ipm and what scale resolution?
[01:44:27] <Nick001> not sure of the resolution yet - still have to hook it up and see
[01:47:49] <andypugh> Assuming a 0.0001" scale then 30ipm needs 10kHz sampling, or a 100uS base thread. That might be OK (unless I have my maths wrong)
[01:49:40] <andypugh> <wierd> http://www.linkedin.com/profile/view?id=194984441&authType=name&authToken=-WQ8&invAcpt=&goback=%2Emid_I322585739*470_*1
[01:49:52] <andypugh> Just asked me to endorse her work.
[01:53:21] <Nick001> I'll have to see what base speed the comp is runnig at - I think it stayed at the default setting
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[02:10:03] <r00t4rd3d> wtf is the tap extension?
[02:10:27] <jdh> drill file
[02:10:47] -!- FinboySlick [FinboySlick!~shark@squal.net] has joined #linuxcnc
[02:11:48] <jdh> or some controls gcode files, or probably 10 other things
[02:12:00] <r00t4rd3d> seems to be just gcode
[02:15:38] <andypugh> short for "paper tape g-code"
[02:16:56] <r00t4rd3d> what do you make tap files in ?
[02:17:39] <r00t4rd3d> http://www.cnczone.com/forums/1190261-post2243.html
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[02:18:29] <jdh> vectric has a default extension based on post processor
[02:19:01] <r00t4rd3d> oh
[02:19:47] <r00t4rd3d> ahhhhhhh
[02:20:23] <r00t4rd3d> a ton of post processors in aspire have the tap extension :/
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[02:22:41] <jdh> elinuix.org seems to be missing
[02:22:56] <jdh> even spelled correctly (and in teh right window)
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[02:34:45] <r00t4rd3d> http://www.widgitmaster.com/midi.htm
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[03:33:51] <tjb1> r00t4rd3d: Here is wiring you can be proud of - http://sphotos-b.xx.fbcdn.net/hphotos-ash3/76264_4537414429403_967318421_n.jpg
[03:40:05] <r00t4rd3d> better
[03:40:12] <tjb1> better?
[03:40:57] <r00t4rd3d> :D
[03:42:24] <Jymmm> the bends on the DB9's are a lil tight; I'd add a bit of slack.
[03:43:12] <r00t4rd3d> the bottom one looks like its about to be ripped out.
[03:43:14] <tjb1> Alright, thats just a matter of pulling it out of the pipe monster up there
[03:43:26] <Jymmm> Only because pre-made cbale today just suck for quality anymore.
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[03:43:55] <tjb1> :) http://sphotos-b.xx.fbcdn.net/hphotos-ash4/403537_4537417029468_1523817831_n.jpg thats one of the fans for the g540, the other is on the bottom
[03:43:57] <Jymmm> actually the top db9 looks fine
[03:44:23] <r00t4rd3d> great picture
[03:44:27] <tjb1> The one in the picture blows out of the box, the one on the bottom sucks into the box
[03:44:38] <tjb1> I tried :(
[03:44:59] <tjb1> The cable storage - http://sphotos-a.xx.fbcdn.net/hphotos-prn1/22496_4537419709535_548710496_n.jpg
[03:44:59] <r00t4rd3d> crawling under it with your phone?
[03:45:06] <Jymmm> toss a cheap disposable filter in the intake fan
[03:45:45] <tjb1> I might take the whole box apart and paint it black, its pretty bad lookin
[03:45:57] <tjb1> I dont know how much farther I want to do with stuff yet
[03:46:04] <r00t4rd3d> is that green just primer?
[03:46:14] <tjb1> No
[03:46:19] <r00t4rd3d> :D
[03:46:55] <tjb1> Im working on laser crosshairs for rough zeroing of the plasma, tried to steal the two lasers off a drill press but broke one of them :(
[03:49:54] <r00t4rd3d> i got a shit ton of 5mw red ones
[03:50:07] <tjb1> Wanna sell 2-3?
[03:50:56] <r00t4rd3d> nah
[03:51:13] <r00t4rd3d> they took like 3 months to get here
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[03:51:17] <tjb1> dealextreme?
[03:51:21] <r00t4rd3d> yeah
[03:51:48] <tjb1> Damn…I need them like this month
[03:52:07] <r00t4rd3d> then 3 of them were doa and it took another few months to get the replacements
[03:52:29] <r00t4rd3d> then i lost interest in the what i was doing with them
[03:52:45] <tjb1> http://dx.com/p/red-laser-module-focused-line-3-5v-4-5v-16mm-5mw-5928 that one?
[03:54:11] <r00t4rd3d> http://dx.com/p/6mm-5mw-red-laser-module-3-5-4-5v-13378
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[03:54:22] <jdh> http://www.harborfreight.com/laser-marker-93242.html
[03:56:11] <tjb1> Thats a dot isnt it r00t4rd3d ?
[03:56:18] <r00t4rd3d> yeah
[03:56:28] <r00t4rd3d> but at an angle is a line
[03:56:29] <r00t4rd3d> http://www.aixiz.com/store/product_info.php/cPath/59/products_id/303/osCsid/57a09698d21408635cf1249fc496ed4b
[03:56:40] <tjb1> That doesnt work for finding a position
[03:56:47] <tjb1> Thanks jdh, that looks awesome
[03:57:06] <r00t4rd3d> you cross them
[03:57:24] <r00t4rd3d> http://hackaday.com/2011/06/12/crosshair-aiming-system-for-your-laser-cutter/
[03:57:26] <tjb1> dots?
[03:57:26] <jdh> better than waiting for dx
[03:57:47] <tjb1> You have to put that at a hell of an angle
[03:57:59] <tjb1> almost parallel to the surface your working with
[03:58:27] <r00t4rd3d> tjb1, http://www.aixiz.com/store/advanced_search_result.php?keywords=cross+hair&search_in_description=1&osCsid=57a09698d21408635cf1249fc496ed4b&x=0&y=0
[03:58:37] <r00t4rd3d> they have cross hair lens for their lasers
[03:59:42] <tjb1> Is there a way to see if local harbor freight has it besides calling?
[04:00:12] <jdh> no. Mine has them by the sawblades
[04:00:25] <toastyde1th> is there a way to find out if they have it even IF you call?
[04:00:39] <toastyde1th> sometimes, they have it and you're there in person and someone is helping you and you may not find it
[04:01:14] <r00t4rd3d> hf sucks balls
[04:01:18] <jdh> they always look it up for me
[04:01:23] <toastyde1th> harbor freight truly is the 30-something's toys r us
[04:01:30] <toastyde1th> nobody knows where anything is and shit is just piled in the isles
[04:01:42] <toastyde1th> it's all crap but you want three of everything in the store anyway
[04:02:55] <r00t4rd3d> ill stop there for glue but thats about it
[04:03:30] <tjb1> ill go up there tuesday and grab 2 of them if I can. I also have Grizzly about 10 miles from school :)
[04:03:47] <r00t4rd3d> a bear?
[04:04:15] <toastyde1th> bears are all around us
[04:04:31] <toastyde1th> they're our family and friends
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[04:04:37] <toastyde1th> our fabulous, fabulous family and friends
[04:05:11] <tjb1> grizzly industrial
[04:05:43] <r00t4rd3d> my wish of new jersey getting wiped out came true
[04:06:14] <r00t4rd3d> to bad there wasnt more deaths there though
[04:06:23] <r00t4rd3d> shame
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[04:10:27] <tjb1> newark/element14 send me a 1gb flash drive to say thanks...
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[04:13:59] <jdh> thanks for what?
[04:14:16] <Jymmm> morning after gift
[04:15:46] <r00t4rd3d> lol
[04:16:17] <jdh> I can't seem to make my raspberry pi display composite out to either my teevee or this cheapass 7" car tv monitor I got for it
[04:16:52] <r00t4rd3d> #pi
[04:17:04] <tjb1> I placed a $20 order with them, they called me and gave me a 15% off coupon and sent me that flash drive
[04:18:27] <r00t4rd3d> #raspberrypi-internals
[04:18:39] <r00t4rd3d> #raspberrypi
[04:20:01] <tjb1> Really? http://www.grizzly.com/products/Laser-Guide-Stand-For-Rip-Saw/H5749
[04:22:07] <jdh> geez... different wallwart for the monitor fixed it
[04:22:56] <Jymmm> jdh: Yeah, using 100ma when it says 1000ma makes a difference =)
[04:23:24] <jdh> it said 12v, 3 watts
[04:24:13] <jdh> but, yeah... that's what that smell was too :)
[04:24:21] <Jymmm> lol
[04:24:40] <jdh> no idea why I have a 150mA 12v plug here
[04:25:02] <Jymmm> lol, especially when it wants 250ma =)
[04:25:15] <jdh> yep
[04:25:44] <jdh> I need to cut out a box for it.
[04:25:50] <Jymmm> I keep a crapful of em
[04:26:10] <Jymmm> damn expensive now @ ~$15/ea
[04:26:18] <jdh> I have a spline, any idea how to make it a polyline?
[04:26:36] <Jymmm> huh?
[04:26:46] <jdh> in a dxf.
[04:26:51] <Jymmm> oh
[04:28:37] <jdh> heh, save it as an r12 dxf and it converts to polylines... with billions of lines
[04:33:16] <r00t4rd3d> in aspire import it
[04:33:27] <r00t4rd3d> in the modeling tab, bottom left
[04:34:07] <r00t4rd3d> then under Modeling Tools , Import A Component or 3d Model
[04:38:49] <jdh> won't import via model, but does use the spline fine for a toolpath
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[05:18:55] <r00t4rd3d> http://www.variabletech.com/products/
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[05:28:32] <toner> lol: https://fbcdn-sphotos-h-a.akamaihd.net/hphotos-ak-ash4/318847_493810740639942_1936014597_n.jpg
[05:29:48] <Aero-Tec> great drawing
[05:30:02] <Aero-Tec> pretty much says it all
[05:30:42] <Aero-Tec> would be harder to have a better graphic of the ohms law
[05:31:10] <Aero-Tec> hard
[05:47:26] <Jymmm> Cover the one you want:
[05:47:26] <Jymmm> E
[05:47:26] <Jymmm> -----
[05:47:27] <Jymmm> I * R
[05:49:48] <Aero-Tec> I am aware of that one, it is great for a tec that uses the law
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[05:50:28] <Aero-Tec> put the pix is a layman's way of understanding how it works
[05:50:45] <Jymmm> amps get it in the ass?
[05:51:21] <Aero-Tec> helps someone who knows nothing learn a little
[05:51:24] <Aero-Tec> yes
[05:51:36] <Aero-Tec> volts pushes amps
[05:51:46] <Aero-Tec> or kick it down the wire
[05:51:57] <Jymmm> I'd say no. plumbing would be a better analogy
[05:52:13] <Aero-Tec> resistance hold thing back, slows things down
[05:52:18] <Jymmm> volume, pressure, valve.
[05:52:40] <Jymmm> but that pics dont say what amps are
[05:52:49] <Jymmm> pc
[05:52:56] <Aero-Tec> and heat is generated by the amps working to get down the wire
[05:53:14] <Jymmm> but heat would be Watts, not amps
[05:53:56] <Aero-Tec> I would agree that plumbing is better, if you know anything about plumbing
[05:54:17] <Jymmm> youdont have to. a cup and a straw can demo it
[05:54:29] <Aero-Tec> but not every one understands plumbing and the finer points that make it work
[05:54:53] <Jymmm> yes they can, it's somethign they can see/feel
[05:55:06] <Aero-Tec> amps gen heat
[05:55:20] <Jymmm> watts == power == heat
[05:55:33] <Aero-Tec> the pix shows amps working hard against resistance
[05:56:30] <Aero-Tec> I just said it was a good pix for the guy that is not going to use it to design something, just a quick and funny way to teach someone the basics
[05:56:45] <Aero-Tec> and for that it is very good
[05:57:04] <Jymmm> imnsho, I disagree. It's missing watts/power.
[05:57:58] <Aero-Tec> not really amps is sweating and giving off heat
[05:58:12] <Aero-Tec> working hard
[05:58:24] <Aero-Tec> you over heat and sweat when working hard
[05:58:49] <Aero-Tec> a average guy can relate
[05:59:11] <Aero-Tec> it is not a tec manual
[05:59:30] <Aero-Tec> it is not something you would use for engineering
[06:00:10] <Aero-Tec> but for the average joe, it is funny, entertaining and informative
[06:00:41] <Aero-Tec> joe will learn something even if he is not realy wanting to
[06:01:03] <Aero-Tec> I thought it was brilliant
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[06:15:43] <Aero-Tec> any one here good with emc running a lathe?
[06:15:56] <Aero-Tec> will need some help with the tool table
[06:16:09] <Aero-Tec> few things I am unsure of
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[07:51:31] <DJ9DJ> moin
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[11:21:17] <alex_joni> whee.. http://www.youtube.com/watch?feature=player_embedded&v=LJ9iRy06_30
[11:24:31] <jthornton> I bet that left a divot
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[11:48:30] <alex_joni> jthornton: it came down over some houses
[11:49:05] <jthornton> was it supposed to fall straight down?
[11:49:56] <alex_joni> yup
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[12:54:30] <r00t4rd3d> during the winter, how cold should I let my controller and stuff get?
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[12:56:01] <jdh> I'd suggest livign someplace that doesn't get below 35F
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[12:56:47] <r00t4rd3d> its 37 out now
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[12:58:29] <archivist> hard disks do not like cold
[12:58:59] <r00t4rd3d> I have a kerosene heater in my shed but no 24/7 heat
[12:59:32] <r00t4rd3d> Not sure when I should start bringing my electronics inside
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[13:00:54] <jdh> leave it running
[13:01:40] <r00t4rd3d> for 4 months?
[13:02:09] <r00t4rd3d> thats not really a feasible idea.
[13:02:14] <jdh> my computers run all the time. I turn off my drives.
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[13:02:39] <r00t4rd3d> mine do to inside
[13:03:05] <jdh> mine are in the garage. It freezes in the winter :(
[13:04:42] <alex_joni> http://www.youtube.com/watch?v=P5j619mdesM&feature=etp-pd-nxx-60
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[16:51:11] <Loetmichel> re @ home
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[17:26:23] <IchGuckLive> hi all B)
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[18:08:04] <IchGuckLive> hi folks if my encoder is fiering all the time at 3 outputs is it broken
[18:08:13] <IchGuckLive> i got signals at A B Z
[18:08:40] <IchGuckLive> or are there encoder types with 3 signals per pulse
[18:09:08] <IchGuckLive> the datasheet gives me a index per Rev
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[18:12:07] <PCW> index should normally only happen once per rev buta mis-connect or low power might cause strange behavior
[18:15:09] <IchGuckLive> let me get a meter to see the volts
[18:16:52] <IchGuckLive> no 5.07V
[18:17:18] <archivist> check for shorts between leads
[18:17:18] <PCW> differential or TTL outputs?
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[18:18:23] <PCW> shorts or choosing wrong pairs on differential encoders can do this
[18:18:32] <andypugh> Especially those plaid shorts with belts that only Americans wear. Getting those in your encoder could cause all sortd of trouble.
[18:18:52] <tjb1> Is internet required to install the parallel port as shown in this thread? http://www.linuxcnc.org/index.php/english/forum/18-computer/18917-faq-pci-parallel-port-cards
[18:19:32] <andypugh> No.
[18:19:53] <PCW> too cold for shorts
[18:20:54] <IchGuckLive> shorts can be messure by meter between the lines
[18:21:03] <skunkworks> WI residents wear shorts when it gets above 45Deg F
[18:22:42] <archivist> never wear shorts and t shirts near a lave or milling machine throwing hot sharp chips
[18:22:50] <archivist> lathe
[18:23:14] <archivist> never try to type with cold fingers either
[18:23:24] <IchGuckLive> i found a signal short in my meter between the A and B
[18:23:42] <andypugh> Never braze together three bicycle frames to make a trandem using a carbon-arc brazing torch while wearing a T-shirt...
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[18:24:55] <archivist> did you get a tan
[18:26:21] <sliptonic> PCW: I have a Huanyang VFD I'd like to control from my 5i25/7i77. Do you know of a configuration I can reference so I don't have to start from scratch?
[18:26:49] <andypugh> I got a red, then a moult
[18:27:31] <PCW> HAL configuration?
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[18:27:57] <IchGuckLive> sliptonic: i got one on the 7i76
[18:28:05] <sliptonic> Yes. HAL config.
[18:28:17] <andypugh> 7i76 + VFD is trivial though?
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[18:28:35] <PCW> Not off hand, are you using a pncconf created hal file?
[18:28:52] <sliptonic> Yes.
[18:29:34] <PCW> doesnt pncconf have boilerplate for spindle control?
[18:30:16] <sliptonic> Hmm. Maybe so. I'll run through it again. Perhaps I just brain farted.
[18:30:39] <PCW> the basic idea on the 7I77 is that you use analog channel 5 for spindle control (since it has an independent enable)
[18:32:26] <sliptonic> Thanks. I'll be back as soon as I get confused :-)
[18:32:56] <Jymmm> 29...28...27...
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[18:39:21] <IchGuckLive> PCW QUADRUPLE DIFFERENTIAL LINE DRIVERS coudt this be broken
[18:39:26] <IchGuckLive> 26c31
[18:40:20] <sliptonic> Hurtful Jymmm. Hurtful. :-)
[18:40:58] <Jymmm> sliptonic: "I have no idea what you are speaking of... I KNOW NUT-TING!"
[18:41:23] <Jymmm> ;)
[18:41:35] <PCW> Well it could be, one easy way to check is that the A, /A B,/B and Z,/Z are always logical inversions of each other
[18:42:43] <PCW> if you have a dead short between two pins, I would suspect wiring errors
[18:46:02] <PCW> that is if you put your voltmeter between A and /A you should get between 3V and 5V or -3 and -5V depending on encoder position
[18:46:03] <PCW> (and same for B, /B and Z, /Z though Z it trickier to check since its just one or a couple of counts wide)
[18:46:45] <IchGuckLive> ok
[18:47:19] <IchGuckLive> but there is a short between encoder not enable and B/ A
[18:47:41] <PCW> those bi-polar red/green LEDS are handy for testing differential encoders
[18:47:45] <IchGuckLive> the other pins give me no signa
[18:47:59] <PCW> pinout wrong?
[18:48:35] <IchGuckLive> im on a open encoder
[18:48:42] <IchGuckLive> no motor connected
[18:49:00] <IchGuckLive> the drive yascawa is at encoder not connected error
[18:49:21] <PCW> can you check that the 26C31 pin 14 is connected to 5V and pin 17 is connected to GND
[18:49:31] <PCW> pin 7
[18:49:55] <PCW> Oh Yaskawa encoders are wierd
[18:50:40] <PCW> they send absolute encoder data serially at startup and then revert to A/B/Z
[18:51:40] <IchGuckLive> i got a 26c31i 16 is 5V and 8 gnd
[18:53:05] <PCW> sorry forgot it was 16p
[18:54:29] <IchGuckLive> power is ok
[18:54:35] <PCW> can you verify that all differential signals are complementary? that would be a fair check of the 26C32
[18:54:48] <PCW> 26C31 that is
[18:55:18] <IchGuckLive> but there is also 13 12 connected to 5V and Gnd without a ohm on the meter
[18:56:45] <IchGuckLive> ok i check this tomorrow and also put a other encoder 2 the size of the motor on it
[18:57:15] <IchGuckLive> i shot this on ebay for less then 100USD
[18:57:54] <PCW> you _are_ measuring this with power off I hope...
[18:58:47] <IchGuckLive> yes
[18:59:42] <PCW> 12 is probably OK since thats a output enable, 13 should not be tied to 5V
[19:02:30] <PCW> so if you can verify that 13 is shorted to 5V and its not a cable issue, that would indicate a bad 26C31
[19:05:13] <IchGuckLive> 5k ohm is the value
[19:06:37] <PCW> 5K ohm is not what I would call a short
[19:06:59] <IchGuckLive> i also not
[19:07:20] <PCW> I would do the complementary signal test
[19:09:27] <IchGuckLive> ok
[19:12:01] <IchGuckLive> 13 is defentif GNDed and it shoud not
[19:13:37] <IchGuckLive> 3 is not 5 is also not so there is a bug
[19:18:10] <IchGuckLive> thanks by tomorrow we will know more
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[19:20:38] <PCW> well the output drivers are the most vulnerable parts since they are low impedance and connect to the outside world
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[19:45:07] <skunkworks> beta2 Jelly bean for the nook color.. Holy crap - what an improvement from gingerbread.
[19:45:37] <skunkworks> I think I can put up with it for another year
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[20:32:16] <archivist> andypugh, a "prototype" http://www.collection.archivist.info/archive/DJCPD/PD/2012/2012_11_02_Drive_gear/IMG_1399.JPG
[20:32:55] <andypugh> He went for it then?
[20:33:35] <archivist> keeps nagging on teh emails
[20:34:20] <archivist> the burr is a pain to deal with
[20:34:57] <archivist> I rebuilt the tool grinder as well to make a better job of the cutter
[20:35:01] <andypugh> Would it be rude to ask the price?
[20:35:58] <archivist> what I should charge and what I will....I need to separate out my learning for fun
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[20:37:51] <archivist> the diameter is a problem to measure while on the machine, so the first is over size a bit
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[20:38:32] <archivist> machine gets in the way http://www.collection.archivist.info/archive/DJCPD/PD/2012/2012_11_02_Drive_gear/IMG_1392.JPG
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[20:39:03] <jdh> is that steel?
[20:39:14] <archivist> yes
[20:39:21] <tjb1> Got my netmos 9865 parport :D
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[20:48:01] <andypugh> So, do I carry on with my Arduino resolver thing (which has stopped working, randomly) or do I just give up and buy a 7i49
[20:48:17] <PCW> buy or die
[20:49:31] <andypugh> I would need a very strange firmware, 7i44, 7i39, 7i59 on a 5i23.
[20:49:50] <jdh> I'm a big fan of things that 'just work' but I also don't mind spending 10x as much and 10x as much time playing/learning.
[20:50:36] <andypugh> Yeah, this has been fun, but I am not sure I would ever trust it fully to run my machine. Bear in mind that part of it's job is commutating the motors.
[20:51:37] <archivist> I would not be trusting an arduino to be fast enough for motors
[20:51:41] <PCW> I think one trick with resolvers is that you really need filtering of the analog signals
[20:51:59] <jdh> new arduino should be plenty fast enough
[20:52:50] <PCW> the 7I49 has both differential inputs and analog filtering and oversampling
[20:53:03] <PCW> > 1 Ms second
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[20:57:45] <andypugh> I see that duz.cz has one. Likely to be easier than importing from the US as the post office won't get to charge me £15 for handling the customs duty stuff.
[20:58:56] <tjb1> FOr the parallel port card, do I just put it in the computer and then run "lspci -vv" or do I need to use the driver disk too?
[20:59:04] <tjb1> Its a netmos 9865 chip
[20:59:10] <andypugh> Just plug it in.
[21:01:14] <tjb1> Thanks andypugh
[21:03:15] <andypugh> Right, that's that done. Now to figure out how to do my jogwheel. I guess I _could_ use another resolver, but the 7i73 is more likely.
[21:04:44] <andypugh> I wonder if it would be fun to make a resolver?
[21:09:50] <PCW> the newer ones uses rotary transformer to power the rotor (a pot core)
[21:10:07] <PCW> (instead of slip rings)
[21:12:07] <PCW> the rotor is just a 2 pole "bar magnet"
[21:14:20] <PCW> getting the shapes right to make it linear is probably rather fussy
[21:15:23] <PCW> (and by linear I mean accurate sine/cosine amplitudes)
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[21:31:25] <andypugh> This would just be for a jogwheel
[21:32:37] <PCW> a normal 100 count MPG with detents might be nicer
[21:33:24] <andypugh> Yes, but I am not sure where to plug it in.
[21:33:36] <PCW> 7I73
[21:33:37] <ReadError> any of yall done gear cutting before?
[21:33:40] <ReadError> looks fun ;)
[21:34:23] <andypugh> I am also a bit worried that I might have to be a bit clever with the VFD control, though I will have many more analogue outputs than I need.
[21:35:04] <andypugh> ReadError: http://www.youtube.com/watch?v=ZhICrb0Tbn4&feature=share&list=UUexvgsGz_QFvOublovDYoTQ
[21:37:20] <tjb1> Here is what lspci -vv gives me, is the address at ddb0-8?
[21:37:21] <tjb1> http://pastebin.com/eSwsGWB8
[21:38:43] <andypugh> I find the output of cat /proc/ioports clearer.
[21:39:14] <tjb1> Alright, brb.
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[21:42:42] <andypugh> Hmm. Now I have abandoned my Resolver thing, I am not sure what to do with the evening!
[21:43:01] <tjb1> http://pastebin.com/LVWwPwN0
[21:43:03] <andypugh> LinuxCNC on RaspPi?
[21:43:07] <tjb1> Looks like 0778 is the new one?
[21:43:37] <tjb1> 378 is already loaded in my hal file
[21:43:55] <andypugh> Looks like it. I am curious why they are both parport0 though.
[21:45:36] <tjb1> So I could place this "loadrt hal_parport cfg="0x778 out 0xddb0 in 0xddb8 in"
[21:45:38] <andypugh> You don't necessarily need the base address anyway, LinuxCNC can handle you calling them 0 and 1
[21:46:32] <tjb1> That would set all pins as input then correct?
[21:46:40] <andypugh> No, loadrt hal_parport cfg="0x738 out 0x778 out" is probably the correct new line in the HAL
[21:47:12] <tjb1> 738?
[21:47:18] <andypugh> Then you will have a bunch of pins called parport.0 and parport.1
[21:47:32] <andypugh> I am assuming you want to use both parports?
[21:47:35] <tjb1> Yes
[21:47:40] <tjb1> Did you mean 378?
[21:47:41] <andypugh> But I can't read.
[21:47:44] <andypugh> Yes
[21:48:20] <tjb1> the 778 one is just going to be for more I/O
[21:48:23] <tjb1> Not stepper control
[21:48:44] <andypugh> Maybe configure it as "in" then?
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[21:51:00] <tjb1> The 0xddb0 and 0xddb8 would allow me control the 16 pins right?
[21:51:19] <tjb1> Then I could break them up as needed like 0xddb0 out and 0xddb8 in would give me 8 in and 8 out?
[21:52:03] <andypugh> Not as far as I know
[21:52:28] <andypugh> I think you can only set up a parport in either of the two parport styles.
[21:52:31] <tjb1> Im just reading this - http://www.linuxcnc.org/index.php/english/forum/18-computer/18917-faq-pci-parallel-port-cards
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[21:52:41] <tjb1> 0xc000 and 0xb800 are set as input, which sets pins 2-9 as input, allowing many sensors, encoders, switches etc to be attached
[21:52:51] <tjb1> but mine are ddb0 and ddb8
[21:54:01] <andypugh> Those are 2 extra parports, I only saw one extra in your config, and that is the 0x778 one
[21:55:02] <andypugh> Is your new one a double-headed one?
[21:55:22] <tjb1> No I think I got it now
[21:55:48] <tjb1> Setting it as out gives 2-9 output and 10-16 as in?
[21:55:55] <andypugh> Pictures here of the two possibilities: http://linuxcnc.org/docs/2.5/html/hal/parallel_port.html
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[21:58:46] <tjb1> That helps a lot, thanks
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[22:07:43] <DJ9DJ> gn8
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[23:02:26] <sliptonic> PCW: Still trying to control this VFD. I've set up analogout5 for pwm spindle but my vfd only takes 0-10v for a speed reference. I've got one of the other digital output pins set for spindleCW and wired through a relay to turn the spindle on/off. It works but I'm wondering how I get speed control and reverse.
[23:06:14] <jdh> make your own freq/analog filter or buy one (cnc4pc.com c41 perhaps) ?
[23:11:10] <skunkworks> he has analog outs...
[23:11:18] <skunkworks> If I am remembering correctly
[23:11:43] <jdh> <nevermind :>
[23:12:30] <jdh> I assumed otherwise from the PWM spindle and the vfd wanting 0-10v
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[23:49:21] <andypugh> sliptonic: Can you tie logic 0V to the COM on the VFD?
[23:49:29] <andypugh> Or would you prefer not to?
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