#emc | Logs for 2011-07-10

[00:00:07] <JT-Shop> ok
[00:00:25] <robin_> yeah, brembos too, on cast iron discs, real stopping power
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[00:02:24] <robin_> I don't understand modern bikes ... why do you need 6 pot, twin disks when bikes where able to brake hard enough to lift the back wheel off the floor 30 years ago ... I mean, just how much braking power do you need?
[00:02:38] <robin_> my GSXR600 is WAY overbraked
[00:03:34] -!- theorbtwo [theorbtwo!~theorb@] has joined #emc
[00:05:04] <robin_> im thinking of selling the GSXR and getting another old ducati
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[00:06:44] <JT-Shop> I kinda favor the old Honda style like the CB450
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[00:11:09] <robin_> ah yeah
[00:11:14] <robin_> the "black bomber"
[00:11:22] <robin_> out of my price range
[00:13:12] <robin_> hmm, actually, not as bad as I expected .. i though they would be more expensive
[00:14:13] <andypugh> Because it is good to be able to stand the bike on the front wheel with only two fingers?
[00:14:37] <andypugh> JT-Shop: I think I bottomed the problem the guy has.
[00:15:05] <andypugh> I blame cmorley
[00:15:31] <robin_> not something I ever needed to do, the RGV i had was over braked too, number of crashes I had from a little over-enthusiastic braking .. I wondered if a bit more lever pressure might have helped
[00:16:09] <robin_> JT-Shop, looks like you can pick up a decent CB450 for around $8000
[00:16:20] <andypugh> But, also, it seems to me to be a bug that you can use the "names=" parameter to create a function with no name. The minimum name length ought to be one character, I feel.
[00:23:26] <danimal_garage> cb450 for 8k? ha!
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[00:24:53] <danimal_garage> my dog got attacked last night by another dog. spent half the night in the emergency room with him
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[00:25:14] <danimal_garage> ripped his ear up good :(
[00:25:19] <Tom_itx> JT-Shop,
[00:25:21] Eartaker-AFK is now known as Eartaker
[00:25:22] <Tom_L> http://tom-itx.dyndns.org:81/~webpage/temp/cnc/probe3.jpg
[00:26:28] <danimal_garage> luckly the guy was willing to pay
[00:28:16] <danimal_garage> and he's got a welding shop so he's gunna help weld up my motorcycle frame in exchange for part of the bill
[00:28:56] <robin_> yeah, I was surprised you could pick up a CB450 that cheap
[00:30:14] <l0st1nsp4c3> any good pages or calculator for feed speed and etc etc for wood and aluminum
[00:31:57] <Tom_itx> http://www.cncexpo.com/SpeedsFeeds.aspx
[00:32:18] <danimal_garage> cheap?
[00:32:48] <l0st1nsp4c3> nice thxs tom
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[00:52:15] <l0st1nsp4c3> any of you routed plywood before?
[00:53:06] <andypugh> A bit. But only on a mill.
[00:58:00] <l0st1nsp4c3> u know what feeds and rpms ur were using?
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[01:01:57] <nicko> Ello all
[01:02:15] <nicko> I finally have one servo wired up to the Mesa 5i22
[01:02:44] <nicko> I am using pncconf to set up my 'machine'
[01:03:14] <nicko> but where can I play with PID params to tune the servo ? pncconf only has an 'open loop' test
[01:03:24] <nicko> where in EMC can I tune ?
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[01:06:39] <danimal_garage> when you start emc, click the machine tab, and then the callibration tab
[01:07:07] <danimal_garage> from there you can test and save the settings for your pid loop
[01:07:19] <andypugh> l0st1nsp4c3: The wrong ones. Sorry, but the spindle speed was way too low, and the feeds were way off.
[01:07:36] <nicko> cheers
[01:08:07] <nicko> I dont know why I dont see this stuff - I'm a mac user, we dont read manual nor *look*
[01:08:12] <nicko> *rolleyes*
[01:08:48] <danimal_garage> it's all good, i never see that stuff either
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[01:23:34] <nicko> where is the section in the manuals that explains the servo calibration screens in EMC ?
[01:23:53] <nicko> I have 4 tabs - tune0 through to tune3
[01:24:02] <nicko> I assume (?) 0 is X ??
[01:24:14] <nicko> (for a XYZA setup)
[01:24:20] <andypugh> That depends on how you configured the machine. But normally, yes. ]
[01:24:37] <nicko> I thought I set up the spindle to be servo also
[01:24:46] <nicko> in which case I could expect 5 tabs ...
[01:25:46] <andypugh> I think that the "Caibrate" screens pick up clues from the INI file.
[01:26:11] <andypugh> And I can't remember what it looks for to decide.
[01:29:22] <nicko> I'm having a nightmare at the moment
[01:29:30] <nicko> too many variables to cut through ...
[01:29:52] <andypugh> Start with everything zero, and just adjust P.
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[01:30:17] <nicko> The servos are going 'loose' when I plug in the Mesa card inputs to drive encoder *outputs*
[01:31:11] <andypugh> The encoders drive the card, surely?
[01:31:19] <nicko> when I unplug them the servos are stiff (in position mode) and are 'loose but under power' in velocity mode
[01:31:41] <nicko> as soon as I plug the drive encoder outputs into the mesa card they go floppy
[01:31:49] <nicko> yes! now you understand my frustration
[01:32:21] <andypugh> What sort of servo?
[01:32:33] <andypugh> And drive?
[01:32:53] <nicko> Again, too many variables and at this stage apparently intermittent behaviour for me as a beginner to sort it out
[01:33:11] <nicko> Servo BLDC running on Granite Devices VSD-XE
[01:33:12] <andypugh> It might be that the interface card isn't getting enough power to run the logic and power the encoders.
[01:33:55] <nicko> assumed the encoders are powered via the drive ... they can close their own loop (step/dir)
[01:34:02] <andypugh> If that is the problem, you should be able to plug in the encoders, as long as you don't connect the encoder +5V lead.
[01:34:34] <nicko> http://www.granitedevices.fi/index.php?q=servo-drive-vsd-e
[01:34:40] <danimal_garage> i had an issue where i had to run a seperate enable wire to each drive because a single enable pin on the mesa card wasn't enough to turn them all on
[01:34:43] <andypugh> Ah. I can see that plugging the encoder into both at the same time might be trouble.
[01:35:20] <nicko> the drive enables have been set to on all the time - for the time being
[01:35:40] <nicko> both at the same time ?
[01:36:38] <nicko> I am taking the encoder signal from the 'EXT' connector - so yes the encoders are going to the drive then being passed through (hard directly I think, but it could be soft)
[01:37:04] <nicko> I am correct in assuming that I run the drive in velocity mode ?
[01:37:31] <nicko> and you're saying that the encoders should go to EMC *only* ?
[01:39:24] <andypugh> Just reading the manuals. Yes, it ought to be OK to plug the encoders into the EXT connector.
[01:40:53] <andypugh> And yes, velocity mode ought to work well.
[01:40:53] <andypugh> (but the drives need the encoders to do that)
[01:41:06] <andypugh> The EXT connector is a ribbon cable header. Which of the wires are you connecting to the Mesa board?
[01:42:24] <nicko> Oh hang on!!
[01:42:27] <nicko> ok damn
[01:42:34] <nicko> I see at least one error I have made
[01:44:47] <andypugh> Well, good luck with it, I really need to sleep (it's very late saturday for me, conceptually if not chronometrically)
[01:46:51] <nicko> you inadvertently made me look at something that I see is wrong (a differential signalling thing)
[01:47:13] <nicko> about 5mins from now I might *LETS HOPE* be making some sense
[01:47:24] <nicko> g'night!
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[01:48:02] <andypugh> Check that you are not pulling anything down to mesa gnd that shouldn't be.
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[01:58:31] <danimal_garage> i wish i had something other than hard chromoly to make these exhaust sleeves. Hard as hell to cut.
[01:59:03] <nicko> I was... I was pulling the negative differential encoder signal to Mesa GND
[01:59:45] <nicko> Now the drives are staying energized - and encoders are passinginfo to EMC without causing weird motor carry on
[02:00:00] <nicko> but they still aren't repsonding to PWM from EMC
[02:00:05] <nicko> small steps I guess
[02:02:06] <danimal_garage> are the motors holding?
[02:05:26] <nicko> holding? as in staying put but offer resistance to attempts at moving them with my hand ?
[02:05:28] <nicko> YES
[02:05:35] <danimal_garage> thats good
[02:05:48] <nicko> yup, solved that issue
[02:06:04] <nicko> but nada to PWM input, not even a squeak
[02:06:05] <danimal_garage> so it isn't moving if you try jogging?
[02:06:31] <nicko> I'll try it in EMC rather than pncconf - ang on !
[02:06:33] <danimal_garage> the servo drives use a pwm input, not +-10v analog?
[02:07:46] <nicko> PWM at the moment (I can choose, but PWM will be the final set up)
[02:08:06] <nicko> Ok, no movement from a jog - I get 'joint2 following error'
[02:08:21] <nicko> its currently set up to be the Z axis on a XYZA set up
[02:09:08] <danimal_garage> hmm i don't know much about pwm
[02:09:25] <danimal_garage> what are you using as an output for the pwm?
[02:09:27] <danimal_garage> 5i20?
[02:09:39] <nicko> well, I figure its just a control signal like any other
[02:09:42] <nicko> 5i22
[02:09:53] <nicko> like any other in that you plug it in
[02:10:00] <nicko> and it should/might 'go'
[02:10:42] <danimal_garage> you set up the hal to output a pwm signal?
[02:10:58] <danimal_garage> it's likely a hal issue i would guess
[02:13:28] <nicko> I'm doing it via pncconf - a UI for HAL set up of Mesa cards
[02:13:42] <nicko> so 'yes' I guess ;)
[02:15:23] <danimal_garage> never used that
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[02:22:19] <nicko> EMC aint outputting PWM - none that I can find
[02:22:22] <nicko> hmmmmmm
[02:22:30] <nicko> this is frustrating
[02:26:16] <danimal_garage> i bet
[02:26:35] <danimal_garage> are you sure you're using the right outputs on the 5i22?
[02:26:47] <danimal_garage> stupid question, but i've done it before
[02:29:07] <nicko> I'm just scoping them now
[02:29:10] <nicko> yes I was
[02:29:25] <nicko> I'm getting PWM on the same pin but this time I;m in pncconf
[02:29:35] <nicko> it will output PWM - about to plug it in to the drive
[02:29:49] <nicko> but what concerns me is that I get no DIR signal change
[02:30:21] <nicko> it just sits on 0v if I invert the motor direction setting or toggle between + and -
[02:30:56] <nicko> it shouldnt matter in getting some motion on the drive - but it will eventually matter
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[02:35:48] <danimal_garage> yea you'll need it
[02:35:57] <danimal_garage> is there a direction pin?
[02:37:20] <danimal_garage> well that wouldnt matter i guess...
[02:37:25] <danimal_garage> you'd still need the pwm
[02:37:48] <danimal_garage> i forgot how to get it to go in the negatives, you'll have to ask one of the pros
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[02:49:53] <theos> hi! does emc support pcmcia-to-parallel port adapter on a linux laptop?
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[02:50:32] <l0st1nsp4c3> theos yes
[02:50:47] <l0st1nsp4c3> as long as your pcmcia to parallel assigns a IRQ then should work
[02:50:57] <theos> ah thanks :)
[02:51:04] <l0st1nsp4c3> but
[02:51:14] <l0st1nsp4c3> laptops are notorious to have issues with RTOS
[02:51:26] <theos> my laptop passes the latency test
[02:51:39] <l0st1nsp4c3> so did mine
[02:51:42] <theos> :(
[02:52:03] <theos> so what can be the problem?
[02:52:33] <l0st1nsp4c3> exactly that lol
[02:53:18] <l0st1nsp4c3> http://wiki.linuxcnc.org/cgi-bin/emcinfo.pl?Hardware_Requirements
[02:53:22] <l0st1nsp4c3> go check out laptop section
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[02:53:59] <l0st1nsp4c3> doesn't mean you'll have issues
[02:54:04] <l0st1nsp4c3> just means you should run many tests =)
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[03:20:05] <theos> ah ok thanks :)
[03:21:11] <theos> l0st1nsp4c3, i have a dual core 3Ghz laptop, if that changes anything :)
[03:24:23] <l0st1nsp4c3> should be good
[03:24:30] <l0st1nsp4c3> but like i said only testing will let u know
[03:24:32] <Jymmm> Hey SWPadnos
[03:24:40] <SWPadnos> hi
[03:24:46] <theos> how to test?
[03:25:01] <Jymmm> SWPadnos: See you have lost you pasport (at least temporarily)
[03:25:05] <l0st1nsp4c3> i ran a 12hour latency test on laptop
[03:25:09] <SWPadnos> laptops are usually no good, due to power management features
[03:25:13] <l0st1nsp4c3> was very suprised when I came back
[03:25:17] <SWPadnos> Jymmm, ?
[03:25:26] <l0st1nsp4c3> when the cpu heatsink fan kicked it it was software controlled
[03:25:28] <Jymmm> SWPadnos: you've been homw for more than 24h
[03:25:43] <l0st1nsp4c3> huge latency because of interrupts going on to toggle pwm to kick up a notch
[03:25:47] <SWPadnos> yeah. I was here (in the state anyway) for almost 2 months
[03:26:03] <Jymmm> SWPadnos: wow, I'm surprised =)
[03:26:31] <SWPadnos> well, that was until the end of last month - I was in New Orleans from June 29th to July 3rd :)
[03:26:39] <Jymmm> lol
[03:28:01] <l0st1nsp4c3> emc2 defaults to tool 0?
[03:28:18] <theos> hmm
[03:28:39] <SWPadnos> 0 means no tool, which seems a reasonable default
[03:29:11] <l0st1nsp4c3> agreed just wanted to be sure
[03:29:34] <Jymmm> SWPadnos: Have you come across a RELIABLE usb2serial adapter?
[03:29:42] <SWPadnos> reliable for what?
[03:29:48] <Jymmm> SWPadnos: UPS
[03:30:02] <SWPadnos> I have used the ones from Radio Shack for generic serial applications, and they're fine
[03:30:14] <Jymmm> really?
[03:30:33] <SWPadnos> only under Linux though. I know there are issues with some of them under Win7 or XP64 or something
[03:30:34] <SWPadnos> yep
[03:30:50] <l0st1nsp4c3> i like ftdi ft232rl
[03:30:53] <Jymmm> lol, well will be used under FreeeBSD
[03:31:14] <l0st1nsp4c3> linux compatible and come in very small form factors usualy in the usb connector
[03:31:17] <SWPadnos> I don't recall who makes the RS one I have
[03:31:26] <theos> :)
[03:31:37] <l0st1nsp4c3> http://www.adafruit.com/products/70
[03:31:51] <l0st1nsp4c3> if you need above ttl (more then 5volt) then that is not the product for u
[03:33:05] <theos> if it says "No IRQ, DMA, I/O Address resources required. " then it wont work?
[03:33:10] <SWPadnos> it doesn't exactly have a DB9 on it either ...
[03:33:35] <l0st1nsp4c3> theos for your parallel port?
[03:33:51] <l0st1nsp4c3> SWPadnos???
[03:33:51] <theos> yes pcmcia to parallel port adapter
[03:34:06] <l0st1nsp4c3> Theos you need I/O and irq assigned
[03:34:10] <SWPadnos> the adafruit adapter - it only has a pin header for the serial side
[03:34:11] <theos> :(
[03:34:16] <l0st1nsp4c3> if you don't...then you have a usb to parallel port
[03:34:30] <l0st1nsp4c3> SWPadnos yes and the other and is to your direction depending on what you are doing
[03:35:04] <l0st1nsp4c3> discretion sorry lol
[03:35:50] <SWPadnos> something like this is more useful when you have an actual serial device to attach to the other end: http://www.radioshack.com/product/index.jsp?productId=3584699
[03:36:03] <SWPadnos> Jymmm, that is not the one I have, FYI
[03:36:11] <l0st1nsp4c3> theos the way the parallel port is assigned is 0x378
[03:36:35] <SWPadnos> theos, is that a PCMCIA card or an ExpressCard?
[03:36:43] <Jymmm> SWPadnos: bah "web only"
[03:36:52] <theos> http://www.ambery.com/expcpaprpoad.html
[03:37:02] <l0st1nsp4c3> i think he means expresscard
[03:37:10] <theos> it says both :P
[03:37:12] <SWPadnos> the one I have is black, about 6 feet long, and has a lump in the middle IIRC
[03:37:19] <l0st1nsp4c3> since he said it's a 3ghz dual core
[03:37:25] <theos> :D High Speed ExpressCard PCMCIA Parallel Printer Port Adapter For Laptop
[03:37:31] <SWPadnos> that's expresscard, I think
[03:37:34] <l0st1nsp4c3> it's express card
[03:37:36] <SWPadnos> doesn't look wide enough for PCMCIA
[03:37:36] <theos> ok
[03:38:03] <theos> i need help to buy the right card :)
[03:38:04] <SWPadnos> since ExpressCard can connect either via USB or PCI Express, it can be confusing to get the right thing
[03:38:09] <SWPadnos> which is not A USB one :)
[03:38:14] <l0st1nsp4c3> theos be carefull my old laptop was expresscard34
[03:38:20] <theos> oh
[03:38:25] <l0st1nsp4c3> normal expresscard are bigger then the slot i had
[03:38:54] <theos> the port isnt too small. the ir remote fits in it
[03:39:02] <l0st1nsp4c3> then you have full size
[03:39:14] <l0st1nsp4c3> expresscard/54
[03:39:47] <l0st1nsp4c3> is there any tool selection gui python script for emc2?
[03:39:49] <theos> i should be careful when buying the right card
[03:39:56] <l0st1nsp4c3> Theos indeed
[03:40:04] <l0st1nsp4c3> but you need to have an assigned IRQ etc etc
[03:40:21] <l0st1nsp4c3> otherwise you're buying a glorified USB to Parallel port for printers that was bundled in expresscard format
[03:40:28] <l0st1nsp4c3> and those are totaly useless for what you want todo
[03:40:55] <l0st1nsp4c3> just like JTAG'ing you need an assigned IRQ for 99.99% of all software out there
[03:41:29] <theos> hmm
[03:42:05] <l0st1nsp4c3> theos like SWPadnos was trying to explain
[03:42:23] <l0st1nsp4c3> expresscards can use the PCI express bus directly OR they can be USB
[03:42:24] <theos> i understand thanks :)
[03:43:48] <l0st1nsp4c3> =)
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[03:44:55] <theos> i am checking my laptop specifications
[03:45:11] <SWPadnos> it's not the laptop that matters
[03:45:14] <SWPadnos> it's the card
[03:45:29] <SWPadnos> well, plus the fact that most laptops aren't useful for CNC control
[03:45:34] <theos> :(
[03:45:48] <theos> what is the main problem with laptop?
[03:45:56] <theos> speed?
[03:46:17] <Jymmm> APM
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[03:46:33] <SWPadnos> the power and thermal management systems, which are needed to extend battery life and/or prevent the thing from catching on fire, will cause extremely high latencies from time to time
[03:46:53] <SWPadnos> and there isn't much that can be done about it
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[03:47:01] <theos> hmm
[03:47:20] <theos> what about laptops that come with a parallel port?
[03:47:20] <SWPadnos> you can try disabling SMI (check the EMC wiki for info on that), but then your computer literally could go up in smoke
[03:47:30] <SWPadnos> still crap, most of the time
[03:47:35] <theos> :(
[03:47:47] <Jymmm> Got Marshmellows?
[03:47:51] <theos> i need a desktop in any case
[03:47:54] <SWPadnos> I think there might have been some dell or IBM Thinkpad that was actually OK, but I don't remember the model number
[03:48:17] <nicko> Use a pin from EMC to set up cooling for your laptop ??
[03:48:29] <SWPadnos> a lot of mini ITX boards are great, and you can put together a complete system, including monitor, for $400-$500 or so
[03:48:30] <Jymmm> lol
[03:48:42] <SWPadnos> probably less these days
[03:48:47] <nicko> yup
[03:48:54] <nicko> less - I have done this recently...
[03:49:41] <l0st1nsp4c3> theos basicly if you want to use a laptop disable SMI and any PWM management for fan and thermal controls and buy one hell of a huge laptop cooler and pray to god
[03:49:56] <theos> :)
[03:49:58] <l0st1nsp4c3> theos not to mention you could have a cheap onboard video card that could cause latency issues
[03:50:00] <SWPadnos> yeah - it was a couple of years ago that I put together a bunch, but those had SSD and no monitor
[03:50:14] <l0st1nsp4c3> if it's taking ram instead of having it's own
[03:50:18] <theos> ati radeon :D
[03:50:48] <l0st1nsp4c3> SWPadnos you wouldn't happen to know if there is a gui addon for tool selection?
[03:50:55] <l0st1nsp4c3> theos sorry nvidia fan here =P
[03:51:00] <theos> :P
[03:51:04] <SWPadnos> no, what would you want it to do?
[03:51:26] <Jymmm> Gawd I love rsync =)
[03:51:32] <l0st1nsp4c3> just tool selection
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[03:51:39] <SWPadnos> considering that you can easily type e.g. T10M6 in MDI, I'm not sure what a GUI would need
[03:52:00] <SWPadnos> well, that's not really a specific problem statement ;)
[03:52:37] <l0st1nsp4c3> never said I had a problem just wanted to know if there was one =)
[03:52:49] <SWPadnos> yeah, the MDI tab ;)
[03:52:54] <l0st1nsp4c3> Jymmm altho rsync is amazing.... it can also be a nightmare
[03:53:14] <Jymmm> NEVER!
[03:53:23] <l0st1nsp4c3> never let the new guy rsync all your machines thinking that's a good thing
[03:53:26] <SWPadnos> I was wondering what purpose such a GUI would serve
[03:53:50] <l0st1nsp4c3> SWPadnos wanted to know if one was out there with homing positions for an automatic tool changer
[03:54:03] <SWPadnos> ?
[03:54:14] <SWPadnos> an array of pockets kind of thing?
[03:55:06] <SWPadnos> this is why I wanted to know what you want - EMC can change tools and check tool length just fine, once you set it up to do so. At that point, you don't need a GUI to do it
[03:55:18] <l0st1nsp4c3> http://www.youtube.com/watch?v=ZuyRq23wQcU
[03:56:02] <SWPadnos> so, what would the GUI do?
[03:56:26] <SWPadnos> EMC can do that stuff, but there is no (need for a) GUI to make it look pretty
[03:56:34] <l0st1nsp4c3> i understand you don't need a gui was just wondering if one was out there showing you what tool is in use the usage hours the tools has accumulated etc etc
[03:56:52] <l0st1nsp4c3> total traveled distance etc etc
[03:56:53] <SWPadnos> and the basic functionality will work with any of the EMC GUIs, since it's not a GUI function at all
[03:57:21] <SWPadnos> no total hours, no distance traveled (or more importantly, actual cutting distance traveled)
[03:57:27] <l0st1nsp4c3> i think you misunderstood me I was just asking if such a thing was out there =)
[03:57:41] <SWPadnos> the GUIs should show the active tool - usually in the list of active G codes, as Txx
[03:58:08] <SWPadnos> heh. can't answer whether something exists until I know what you're asking about :)
[03:58:19] <l0st1nsp4c3> agreed my bad lol
[03:58:34] <Jymmm> SWPadnos: My long lost virginty
[03:58:53] <Jymmm> Reward if found
[03:58:59] <SWPadnos> I mean, tool selection could be something like "scrape the web to find the appropriate tool for cutting this particular material" :)
[03:59:21] <SWPadnos> on that note, I think I'll go to bed
[03:59:28] <Jymmm> lol
[03:59:29] <SWPadnos> no relation to Jymm's lost virginity
[03:59:31] <l0st1nsp4c3> would be nice yes to have feeds and rpm per tool and material u are cutting
[03:59:35] <SWPadnos> +m
[03:59:36] <Jymmm> SWPadnos: G'night!
[03:59:40] <l0st1nsp4c3> take care
[03:59:42] <l0st1nsp4c3> sleep well
[03:59:43] <SWPadnos> see you
[03:59:50] <SWPadnos> I hope so
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[05:07:08] <mazafaka_> Looking Red Dwarf from the beginning, downloaded it :)
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[08:08:43] <anonimasu> theos: there are cards by a company called quatech, they are real paralell ports
[08:09:52] <anonimasu> i have no idea if they are linux compatible though
[08:10:51] <anonimasu> but they cost more then a ini itx computer :)
[08:14:14] <theos> thanks anonimasu i will look for those :)
[08:15:53] <Eartaker> theos lol
[08:16:02] <theos> ??
[08:16:15] <theos> =]
[08:16:44] <Eartaker> 1 sec
[08:16:59] <Eartaker> look for MosChip 9865
[08:17:06] <Eartaker> or http://www.cnc4pc.com/Store/osc/product_info.php?products_id=250
[08:18:49] <theos> Eartaker, i need an expresscard parallelport
[08:18:55] <Eartaker> http://shop.ebay.com/i.html?_nkw=parallel+port+pci&_sacat=0&_odkw=moschip+9865&_osacat=0&_trksid=p3286.c0.m270.l1313
[08:19:08] <Jymmm> ExpressCard 54?
[08:19:22] <Eartaker> ahh
[08:19:29] <Eartaker> here is a search for PCI-E http://shop.ebay.com/i.html?_nkw=parallel+port+pci-e&_sacat=0&_odkw=parallel+port+pci&_osacat=0&_trksid=p3286.c0.m270.l1313
[08:19:47] <Jymmm> Which size expresscard?
[08:19:49] <theos> :)
[08:19:59] <Eartaker> =]
[08:20:05] <theos> 54 i think. less than that will be smaller
[08:21:01] <anonimasu> smaller
[08:22:35] <theos> looks like 28
[08:22:39] <theos> =D
[08:26:04] <scanf> sup
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[08:28:35] <theos> i counted them. the pins are deep inside. so roughly its 28 on one side. if it has 2 sides
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[10:43:20] <DJ9DJ> hi folks
[10:47:22] <DJ9DJ> I am experiencing high latency values when there is access to the IDE drives (esp. hard drive)
[10:48:17] <DJ9DJ> the computer is a older Athlon Thunderbird on Epox 8KTA+ (VIA KT133 chipset). ACPI/APM is switched of in bios
[10:49:15] <DJ9DJ> I also tried to disable DMA, but no change. if I run the latency-test and start a copy of a large file, i got values above 100.000us
[10:49:32] <DJ9DJ> without copying, the values for max. jitter are about 25.000
[10:50:15] <DJ9DJ> has anyone an idea what causes this problem and how to solve it?
[10:52:21] <jthornton> are you getting lots of disk swapping during the copy? maybe lack of memory... just guessing
[10:52:28] <DJ9DJ> unfortunately, the board seems not to be able to boot from an usb stick, otherwise I would have tested the system without any IDE drive...
[10:52:44] <DJ9DJ> nope, the is enough free ram
[10:52:46] <jthornton> boot from the CD
[10:52:56] <DJ9DJ> yeah, but the CD is also IDE ;)
[10:53:42] <jthornton> hmmm, get a D510MO
[10:54:08] <DJ9DJ> intel atom?
[10:54:49] <jthornton> yea
[10:54:51] <DJ9DJ> is this known to work well?
[10:55:17] <jthornton> yes, read the forum and wiki about them
[10:55:40] <jthornton> most have < 10,000 latency
[10:56:04] <DJ9DJ> hmm, that would be nice :)
[10:56:25] <jthornton> 525 does have the parallel port brought out though the 510 it is on a header
[11:00:28] <DJ9DJ> hmm oksx
[11:00:30] <DJ9DJ> okay
[11:02:16] <DJ9DJ> i will try booting from the CD again and check the latency results (without connected hard drive)
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[11:05:26] <jthornton> also for older hardware try the 8.04 LiveCD
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[11:27:50] <DJ9DJ> thanks, i will also try 8.04
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[11:32:37] <Loetmichel> hmmm... I am just thinking: is there a projevt to use a cheap 7" Tablet with android as a Pendant for EMC? Shloul be convenieant as it is easy made waterproof and can communicate via Wifi with the EMC-pc...
[11:32:43] <Loetmichel> project
[11:32:51] <Loetmichel> should
[11:33:24] <Loetmichel> conwenient
[11:33:29] <Loetmichel> grrr
[11:33:36] <Loetmichel> convenient
[11:33:53] <DJ9DJ> hi Loetmichel :)
[11:34:16] <Loetmichel> noin dj
[11:34:18] <Loetmichel> moin
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[11:54:34] <jthornton> whats the difference between deb and deb-src here http://buildbot.linuxcnc.org/
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[11:59:12] <mazafaka_> Postprocessor of CAM software creates weird codes with no decimal commas and adds weird H-words and so forth. Which Postprocessor (just machine name) to choose? E.g. of Fanuc?
[12:02:10] <jthornton> fanuc should be close
[12:04:21] <mazafaka_> oh...
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[12:06:51] <DJ9DJ> hmm, same high latency effects on 8.04 :(
[12:09:09] <jthornton> some motherboards are just not candidates for real time CNC control, have you checked the smi fixes on the wiki
[12:09:45] <DJ9DJ> yes, i checked that. the board seems not to use smi
[12:10:14] * jthornton hands DJ9DJ a .44 magnum then
[12:10:27] <DJ9DJ> the smi-kernel module does not load, it says there is no smi device or something like that
[12:13:42] <jthornton> YEA! I've used the buildbot 2.5 pre-release and ngcgui works great
[12:14:14] <jthornton> now to upgrade the plasma to D510MO land
[12:15:22] <DJ9DJ> jthornton, did you disable hyperthreading or one core? or is that no problem?
[12:15:54] <jthornton> I did disable HT... and something else
[12:16:24] <DJ9DJ> but you can use both cores?
[12:16:26] <jthornton> http://www.linuxcnc.org/component/option,com_kunena/Itemid,20/func,view/id,10389/catid,18/limit,6/limitstart,0/lang,english/
[12:17:15] <DJ9DJ> hmmm, that sounds pretty good :)
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[12:19:44] * DJ9DJ takes the .44 magnum and aims at his old athlon pc
[12:20:03] <jthornton> put your hearing protection on first :)
[12:20:06] <DJ9DJ> hrhr
[12:20:43] <jthornton> I fought for weeks trying to get an old motherboard to work on my Hardinge... finally gave up and got a newer board
[12:21:34] * archivist_emc opens a retirement home for old athlon boards
[12:23:13] <DJ9DJ> hihi
[12:24:21] <archivist_emc> its just a sign on the scrap yard door :)
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[13:10:02] <anonimasu> YAY THE SINCOS BOARD WORKS!
[13:10:02] <anonimasu> :D
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[13:33:49] <JT-Shop> yea, what is a sincos board?
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[13:51:52] <anonimasu> it's a board to convert sine/cosine encoders to trl
[13:51:53] <anonimasu> ttl
[13:52:00] <JT-Shop> neat
[13:52:00] <anonimasu> like the heidenhain endat ones
[13:52:14] <anonimasu> (I just ordered a demo board by iq-nc and hooked it up)
[13:52:35] <anonimasu> but im gonna build my own later on
[13:53:56] <anonimasu> time to get the final stuff for the rs 485 interface working :)
[13:54:51] <anonimasu> only a matter of re-coding the read value function to decipher the data it gives since I got checksum and stuff working
[13:55:06] <anonimasu> then hooking up to the mesa 2.2kw drive :]
[13:57:47] <jthornton> nice
[13:58:18] <anonimasu> so maybe during the week i'll have one axis running on the lathe
[13:58:45] <anonimasu> :] (small lathe 1.9kw servos
[13:59:02] <anonimasu> I have no clue how fast it'll run.
[13:59:06] <jthornton> cool, post some photos when you get a chance
[13:59:17] <anonimasu> denford easiturn 3 control retrofit
[13:59:32] <anonimasu> but i'll do that :)
[13:59:54] <anonimasu> turret is half ready too, just gotta make a encoder adapter plate
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[14:07:53] <Tom_itx> anonimasu did you get that lathe you bid on?
[14:10:18] <Tom_itx> JT-Shop, http://tom-itx.dyndns.org:81/~webpage/temp/cnc/probe_tip1.jpg
[14:10:44] <Tom_itx> the fixture is just for drilling the dowels and testing the ball locations
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[14:11:48] <mazafaka> that postprocessor created stupid code omitting G-words at some places
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[14:12:14] <Tom_itx> change it
[14:12:33] <mazafaka> weird, or maybe this problem originates in cracking of the software (this is not really demo version)
[14:12:44] <mazafaka> change what? Whole 300 lines?
[14:12:54] <Tom_itx> the post processor
[14:13:09] <mazafaka> Don't know which postprocessor to choose, need to reboot back to windows
[14:13:11] <Tom_itx> my cam lets me build my own machine define templates
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[14:24:09] <mazafaka_> G81 Z-12. R1. F200 M8 / N100 X120. / N110 G80 <-- Will EMC move it to x120 and repeat the drilling?
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[14:28:44] <mazafaka_> In some postprocessors Z-12 becomes Z12, or value '13' is used
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[14:35:58] <mazafaka_> "N20 G17 GG01 X40 Y20 S280 M3" <-- "GG" ??
[14:36:17] <mazafaka_> What's a F!@#?! Unbelievable!
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[14:42:01] <anonimasu> mazafaka_: it's common practice
[14:42:41] <anonimasu> Tom_itx: no, it went too high
[14:43:46] <mazafaka_> common practice?
[14:45:59] <anonimasu> it'll continue the last g code set
[14:46:11] <anonimasu> but not when it includes a m code like for drilling i beleive
[14:48:25] <mazafaka_> ok
[14:50:13] <mazafaka_> Some fanuc-6m has given me some g-code
[14:51:19] <anonimasu> mazafaka_: what are you using for posting your code?
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[14:59:40] <mazafaka_> gimme ten minutes and I'll show you the video captured from the screen
[15:10:39] <mazafaka_> it's already uploaded
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[15:14:13] <mazafaka_> http://video.yandex.ru/users/ilya-e-g/view/14/
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[15:16:08] <mazafaka_> (screen is being projected onto the window of my castle) :)
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[15:33:30] <mazafaka_> no one is looking the video (use button with letters 'HD')
[15:35:27] <mazafaka_> need to reboot
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[15:43:57] <anonimasu> mhm, spurt cam sorry cant help with that :/
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[15:46:50] <Jymmm> jthornton: http://www.youtube.com/watch?v=XKcChGsDqnU&feature=player_embedded
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[15:52:32] <mazafaka_> yeah, had to edit the beginning of file a bit, add g-words.
[15:53:43] <mazafaka_> Hey, how many decimal signs are needed in .ini files for ratio for tolerances to be adequate?
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[16:03:46] <mazafaka_> need to reboot
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[16:27:30] <mazafaka> "G81Z-12.R1.F200M8" <-- 'R less than z in cycle in XY plane' So, only way to ue g83 to use negative Z-heights ?
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[16:40:43] <mazafaka> feedrates on g00 and g01 are not defined, slow feedrate for both used
[16:43:26] <factor> CAD/CAM/CANDY http://goo.gl/5b0Cu
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[16:51:09] <mazafaka> Where's the file containing history of MDI Tab of Axis (simulation)?
[16:51:28] <mrsunshine__> hmm, how to grind tungsten carbide when you do not have a diamond wheel ?
[16:52:06] <mazafaka> let the time to grind it, become raw vegan to see it
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[16:52:31] <cradek> mazafaka: those files are ~/.axis_*
[16:52:44] <mazafaka> ok
[16:53:02] <cradek> mrsunshine__: a regular grinding wheel won't really work at all
[16:53:21] <mrsunshine__> just need to make the radius on the piece
[16:53:52] <cradek> you can get diamond-loaded file things made for sharpening by hand
[16:54:04] <cradek> you can make very small touch-ups to carbide with those
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[16:56:31] <mazafaka> what folder is "~/.axis_*" ?
[16:56:45] <mazafaka> oh, in home folder
[16:56:45] <cradek> ~ means your home directory
[16:57:16] <syyl_> mrsunshine__maybe a SiC disc
[16:57:37] <syyl_> they work not as good as a diamond one, but they work..
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[17:01:26] <mazafaka> Do i need to add something like standard line 'T99999 P99999 Z+0.100000 ;big tool number' after last tool in my custom tool table file?
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[17:01:44] <cradek> no
[17:02:01] <mazafaka> ok
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[17:06:14] <mazafaka> oh, it couldn't do 'G28 T3 m6 S3183 M3' after M5, an error before this line
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[17:07:26] <mazafaka> no, something weird again
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[17:10:20] <mazafaka> Do I need to create .var file with the same as tool table name for custom tool table?
[17:10:49] <cradek> no, those two things are not related
[17:12:20] <mazafaka> Can something be wrong with .txt file created in windows then edited into tool table? Change to sim_mm.tbl resolved the problem.
[17:13:06] <cradek> yeah, don't use windows to edit text files, it screws them up
[17:13:30] <cradek> bbl.
[17:17:22] <mazafaka> How 'G61.1 Exact Stop Mode' differs from 'G61 Exact Path Mode' ??
[17:20:09] <mazafaka> Does feedrate must be specified at each line?
[17:20:29] <mazafaka> Oh, I see, for EMC, yes
[17:21:13] <mazafaka> So I have completely revised g-code from this proprietary software I used, and used g-code from HeeksCNC for hints.
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[17:23:57] <mazafaka> How to comment the line from the beginning? With '#' symbol? And there's a button to omit lines starting with '/' symbol?
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[17:40:28] <mazafaka> "Um... Eh... I'm just sitting and looking onto g-code visualized... -- How smart! Bravo!" <-- Mr. Bin in the U.S.
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[17:45:30] <mazafaka> What is the 'Jog Speed'?
[17:46:20] <Tom_itx> rapid
[17:48:03] <mazafaka> ok
[17:51:16] <IchGuckLive> mazafaka: link to the visualiz
[17:51:57] <anonimasu> jog speed is the speed of the jog buttons(arrow keys)
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[17:52:03] <mazafaka> what? i only starting to capture it with XvidCAP right now
[17:52:13] <anonimasu> for rapid you hold shift and it goes max what is allowed as rapid
[17:52:41] <mazafaka> i would use commands instead of arrow keys
[17:54:41] <IchGuckLive> http://mechmo.de/preagerad_low.mpg 8MB
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[17:58:17] <IchGuckLive> By al !
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[18:04:51] <Tom_itx> JT-Shop you around?
[18:05:13] <Tom_itx> http://tom-itx.dyndns.org:81/~webpage/emc/probe_index.php
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[18:08:13] <syyl> renishaw clone?
[18:08:14] <syyl> cool
[18:08:48] <syyl> how are you going to compensate eventual runout of the probeneedle?
[18:09:08] <Tom_itx> i may undercut the base and add setscrews to the side
[18:09:24] <syyl> thats how renishaw does it :)
[18:09:34] <syyl> http://dl.dropbox.com/u/24396704/renishaw1.jpg
[18:09:40] <syyl> simple and effective..
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[18:10:15] <syyl> 4 radial setscrews to align it, 2 radial setscrews to pull the probebody to the shank
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[18:25:43] <mazafaka> the video is at youtube already
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[18:28:18] <mazafaka> Oh-Oouh... That tonight is gonna be a good night, that tomorrow there is gonna be a goo' nigh'
[18:29:16] <mazafaka> http://www.youtube.com/watch?v=p0JjiTzHc-I
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[18:52:47] <mazafaka> http://www.youtube.com/watch?v=GGmYmzlQWtI
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[19:05:52] <mazafaka> Ha, imagine the creation of G-code for such a kinematic scheme.
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[21:01:11] <danimal_garage> hi
[21:04:57] <Tom_itx> ho
[21:09:15] <danimal_garage> how goes it
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[21:50:37] <danimal_garage> hi John
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[22:05:33] <anonimasu> is numpy installed on emc?
[22:10:55] -!- nullie [nullie!~nullie@nullie.telenet.ru] has joined #emc
[22:20:36] <psha> anonimasu: on emc? you meen on 'default installation which is cooked after installing ubuntu from emc livecd?'
[22:20:53] <psha> even if no you are free to install it
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[22:21:41] <anonimasu> psha: if im gonna write a tool to talk to some absolute encoders i'd like to release it as portable as possible
[22:22:21] <anonimasu> I have no idea how serial communication would work in python..
[22:22:30] <anonimasu> I did it before but, what's the default way
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[22:23:23] <andypugh> anonimasu: pyserial has been used in the past
[22:23:32] <andypugh> What sort of absolute encoder?
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[22:27:57] <Tom_itx> <anonimasu> sick stegmann srm
[22:27:57] <Tom_itx> <anonimasu> on a big servo i bought for cheap
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[22:34:50] <psha> python-serial is the standard way to communicate
[22:35:00] <psha> everything else will be less portable
[22:35:10] <psha> numpy is not hard req - just state that it's needed
[22:37:27] <andypugh> He's not there any more...
[22:38:10] <Tom_itx> yeah it's midnight thirty there
[22:38:10] <Tom_itx> likely won't be back
[22:38:37] <Jymmm> Did someone say Beer Thirty?
[22:38:54] <Tom_itx> it's always 5 oclock somewhere
[22:39:17] <Jymmm> , except where you want it to be!
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[22:40:11] <danimal_garage> i'm drinking
[22:40:20] <danimal_garage> but it doesn't have to be 5 for that to happen
[22:41:16] <danimal_garage> it doesn't even have to be noon
[22:41:35] <danimal_garage> actually i didn't even wait for noon today.
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[23:37:51] <jdhNC> connor?
[23:57:18] <danimal_garage> he was eaten by bears
[23:58:12] <danimal_garage> koala bears