#emc | Logs for 2011-02-11

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[00:01:31] <UnderSampled> I just received my tb6560 3axis board today, and am setting it up
[00:01:49] <JT-Shop> cool, what's that?
[00:01:50] <UnderSampled> but I don't quite understand how I'm supposed to set the dip-switches for my motors
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[00:02:41] <UnderSampled> JT-Shop: the chinese board
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[00:03:20] <JT-Shop> ah, I don't speak chinese :P sorry I couldn't resist... do you have a link to the manual?
[00:03:32] <UnderSampled> I'm trying to find it
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[00:09:28] <UnderSampled> JT-Shop: http://fozztexx.com/CNC/HY-TB3DV-M_3Axis_Driver.pdf
[00:13:13] <UnderSampled> my motors: http://fozztexx.com/CNC/HY-TB3DV-M_3Axis_Driver.pdf
[00:18:23] <JT-Shop> LOL new install of winblows 7 here and no pdf viewer
[00:23:52] <PCW> not invented by uSoft...
[00:24:48] <JT-Shop> cali weather here tomorrow sunny and 33F
[00:25:18] <JT-Shop> 55F Sunday and Monday :)
[00:26:02] <JT-Shop> pcw do you make goat cheese?
[00:26:04] <PCW> Its about 60 here now (4:38 PM) but a little frost in the morning
[00:26:21] <Tom_itx> record low here this morning
[00:26:23] <PCW> Nope no goats
[00:26:44] <JT-Shop> I thought you had some... must be sometimers
[00:27:15] <PCW> No Have sheep but their really just lawnmowers
[00:27:54] <JT-Shop> ah, close maybe LOL
[00:27:55] <JT-Shop> you have to shear them once a year or does it fall out by it self
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[00:29:22] <PCW> I suppose they could be milked but then we would need a Ram (which my SO has forbidden)
[00:29:24] <PCW> We have hair sheep (American blackbelly) so the wool falls of in spring/ early summer
[00:30:08] <PCW> the rams are really pretty with big horns
[00:30:24] <JT-Shop> cool
[00:31:34] <Tom_itx> Temp: -14.0 F (-25.6 C)
[00:31:40] <Tom_itx> this AM
[00:31:47] <JT-Shop> UnderSampled: just to start I would set my current to 25% and microstep to 1 and I don't have a clue what "decay mode" is
[00:34:40] <JT-Shop> UnderSampled: some good stepper info here http://wiki.linuxcnc.org/cgi-bin/emcinfo.pl?Stepper_Formulas
[00:35:02] <JT-Shop> guys, time for me to head inside goodnight
[00:35:15] <PCW> nite
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[01:42:05] <acklenx_> anyone familiar with why a new setup (just steppers controller and emc - not attached to a table) would sound terrible, spin slowly with a lot of stuttering?
[01:44:34] <acklenx_> maybe a good link to follow (i've been doing a bit of reading, but I'm just not finding much...
[01:46:28] <archivist> badly set acceleration, incorrect current to the steppers, using full step change to half step
[01:50:32] <PCW> Also if your latency is OK I would suspect hardware (bad or weak parallel port, electrical noise etc)
[01:51:14] <acklenx_> k setting acceleration really low
[01:51:53] <acklenx_> is there a way do make changes inside emc or just exit and run the wizard and select modify?
[01:52:04] <PCW> Aren't you the one that said the same external hardware worked OK on another CPU?
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[01:53:52] <acklenx_> yes
[01:54:49] <acklenx_> setting 1 in/s and 1in/s^2 doens't help (but it spins for a while after i stop the jog (accel))
[01:54:59] <Valen> acklenx you could also be getting resonances and such
[01:55:13] <PCW> If latency is ok on the new CPU I really suspect the parallel port/breakout
[01:55:55] <acklenx_> latency is a bit high (i think, but not in the bad range)
[01:56:14] <acklenx_> i'm inclined to think parallel port (no bobs)
[01:56:45] <PCW> Well you can try a add0in PCI parallel card
[01:56:46] <acklenx_> is there a computer/bios setting i should try or something? i tired changing the parallel port mode
[01:57:26] <PCW> how are your step drivere connected to the port?
[01:57:32] <PCW> drivers
[01:58:54] <acklenx_> screw in terminals
[01:59:02] <acklenx_> oh, sorry
[01:59:19] <acklenx_> the parallel port is soldered onto the driver board
[01:59:26] <acklenx_> is that what you're asking?
[02:00:16] <PCW> are they opto isolated? whats the actual connections?
[02:00:17] <PCW> is it possible you have optos returned to +5V but only 3.3V parallel port signals?
[02:02:26] <acklenx_> no opto isolation
[02:02:32] <acklenx_> i have a before and after...
[02:02:34] <acklenx_> http://www.flickr.com/photos/teddyacklen/5393028958/in/set-72157625791780847/
[02:02:55] <acklenx_> http://www.flickr.com/photos/teddyacklen/5392430587/in/set-72157625791780847/
[02:03:18] <acklenx_> all electrical
[02:04:22] <acklenx_> and for those new :) the driver and steppers work fine on emc running on another computer (it plays music - "Imperial March" just fine)
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[02:05:20] <cradek> is this computer a laptop by any chance?
[02:05:21] <acklenx_> is there anything special i should look for in a new parallel port board? any reason this one would be bad? http://www.amazon.com/IO-Crest-SY-PCI10004-1-Parallel-32-Bit/dp/B003AVN6AW/ref=sr_1_2?ie=UTF8&qid=1297389477&sr=8-2
[02:05:34] <cradek> guess not if you are talking about pci cards.
[02:05:43] <acklenx_> no, old desktop... but still faster than the computer that it works on
[02:06:14] <cradek> sure sounds like PCW might be right (3v vs 5v parport?)
[02:06:44] <cradek> do you have a schematic for your driver board? the photos really don't tell us much about what kind of signals it requires
[02:06:45] <acklenx_> PCW?
[02:07:06] <acklenx_> hard copy only
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[02:07:38] <acklenx_> actually no i don'g
[02:07:59] <cradek> some info about defective hobbycnc boards here: http://wiki.linuxcnc.org/cgi-bin/emcinfo.pl?HobbyCNC
[02:08:07] <cradek> I don't know if that's the one you have or not
[02:08:21] <cradek> um yep "PRO REV 1"
[02:08:22] <acklenx_> i think so
[02:08:36] <acklenx_> and the problems sounds close... except
[02:08:59] <acklenx_> my board behaves poorly from the get go, not just after idle and startup again
[02:09:39] <cradek> check your parport voltages - compare the working and nonworking machines
[02:10:19] <acklenx_> k
[02:10:40] <acklenx_> what is expected? now i'm only with the "bad" computer
[02:10:55] <acklenx_> (early today I was only with the "good" computer)
[02:13:01] <Valen> 5v
[02:13:05] <Valen> not 3.3
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[02:18:47] <acklenx_> sorry grabbinga meter
[02:22:13] <acklenx_> wait, are these pulses? (do i need a scope for this?)
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[02:28:15] <acklenx_> how do i measure the voltage on a parallel port?
[02:28:24] <PCW> you should be able to see both levels on the direction pin (move either way)
[02:28:36] <acklenx_> i know i can "debug" in dos, but this is linux
[02:28:56] <acklenx_> is the d shield grounded (i hope)
[02:29:12] <Tom_itx> no guarantee but i should be
[02:29:17] <PCW> bbl ttgh
[02:29:18] <Tom_itx> it*
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[02:34:39] <acklenx_> ~3 volts in my horrificly out of calibration multimeter
[02:34:48] <acklenx_> alrighty then
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[02:38:06] <acklenx_> -is the parallel port voltage tied to the card (if its external pci) or the motherboard?
[02:39:11] <acklenx_> OR - since my mobo is apparently throwing out 3.3 can I expect something different from pci parallel card? Maybe the wrong forum for that question...
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[02:47:51] <skunkworks> http://cnczone.com/forums/emc_linux_enhanced_machine_control/121811-emc2_2_4_4_paraport.html
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[03:16:23] <pcw_home> http://www.youtube.com/watch?v=dmoDLyiQYKw
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[04:01:58] <UnderSampled> ok, I was able to power my driver up, with all the motors connected, and I have emc installed
[04:02:17] <UnderSampled> now I need to set up the pins
[04:02:56] <UnderSampled> my driver board has "X enable" as one of the pins, but I don't see that as one of the options in emc
[04:03:08] <UnderSampled> what am I supposed to to with that?
[04:03:24] <cradek> emc calls it amp-enable-out
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[04:03:51] <UnderSampled> cradek: ok, and what is it for Y and Z?
[04:04:24] <cradek> emc enables/disables all axes at the same time, so you just use amp-enable for whatever enables your board needs
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[04:04:39] <UnderSampled> ok
[04:04:43] <UnderSampled> thanks
[04:04:54] <UnderSampled> how about "expand output"?
[04:05:05] <cradek> I don't know what that means
[04:05:22] <cradek> do you mean that's a signal your board wants?
[04:05:34] <UnderSampled> it's in the pin-in
[04:05:36] <UnderSampled> yes
[04:05:42] <cradek> sounds like a bad translation - hard to guess what they mean
[04:05:47] <UnderSampled> I think it's probably just an extra pin
[04:06:00] <UnderSampled> "expansion port"
[04:06:23] <UnderSampled> also, am I right in guessing that "spindle motor" probably is "spindle on"?
[04:06:32] <cradek> probably so
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[04:09:04] <cradek> goodnight
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[04:22:51] <UnderSampled> http://pastebin.com/cVzmZpaa
[04:22:55] <UnderSampled> what's up with that?
[04:23:16] <UnderSampled> I get that when I load axis on my newly installed computer
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[04:29:59] <UnderSampled> does anyone here know?
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[08:14:37] <Jymmm> alex_joni: ping
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[09:45:43] <alex_joni> Jymmm: hi
[09:45:50] <alex_joni> looking at the video now
[09:46:03] <alex_joni> they're talking about the HDX Bone
[09:46:10] <alex_joni> which has 2 operating systems
[09:46:17] <alex_joni> they'll put up a review on their site
[09:46:44] <alex_joni> the 2 OS'es are Android, and some HDX Guard?
[09:47:00] <alex_joni> it's fanless
[09:47:18] <alex_joni> connectors: HDMI, miniUSB (for devices), LAN, and A/V
[09:47:55] <alex_joni> it has an internal HDD 2.3"
[09:47:59] <alex_joni> SATA
[09:48:58] <alex_joni> you can connect a keyboard using USB for Android
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[11:46:08] <MattyMatt> started up my lathe. not as much sound and fury as I expected from top speed
[11:46:27] <MattyMatt> oops wrong channel :)
[11:47:03] <MattyMatt> until I upgrade it :)
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[11:50:18] <MattyMatt> so what are the drawbacks of steppers on a minilathe? is it just the lack of encoders making the handwheels useless?
[11:52:52] <MattyMatt> and what 1/4hp in N-m or oz-in? I'm tempted to replace the spindle motor with a big 5 phase. they can go faster than this 1485rpm one
[11:54:01] <MattyMatt> I suppose lost steps = ruined work, that's a drawback
[11:55:10] <MattyMatt> I know what I'm doing with steppers, that's my real issue
[11:57:27] <MattyMatt> damn, my favourite torque converter doesn't do hp. http://www.numberfactory.com/nf_torque.html
[11:59:20] <archivist> static rpm has torque and no power!
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[12:15:21] <MattyMatt> eh? so how would I translate hp at 1485rpm into a torque value? or conversely how could I take a torque and estimate how many hp AC motor that's equivalent to?
[12:16:26] <archivist> hp=torque*rpm
[12:17:36] <MattyMatt> I suppose I'd have to try it and see, I may have to swap motors over depending on whether I'm turning or positioning (I plan to add milling to this lathe, or the lathe on the mill, it'll just fit if I move the motor))
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[12:22:39] <MattyMatt> "the average horse of the time could lift a 550 pound weight one foot in one second" right, I'm getting somewhere :)
[12:23:15] <MattyMatt> http://www.vettenet.org/torquehp.html
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[12:40:29] <MattyMatt> so I work out that if I can get a motor that can generate 170 oz-in at 1485rpm, it'll be just as powerful as this 0.25hp motor?
[12:41:48] <MattyMatt> that seems rather low to me. I think a phase nema23 can manage that
[12:41:58] <MattyMatt> ^5 phase
[12:43:33] <MattyMatt> if that's true then I think I'll do it, and enjoy the positional and fine speed control without needing a spindle encoder
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[12:45:58] <MattyMatt> I'll just have to put up with the noise of a 2.7A stepper driver running full pelt :p
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[12:47:15] <MattyMatt> I suspect 5phase aren't as noisy as 2phase tho
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[14:07:41] <danimal_garage> i litterally just worked 24 hous straight
[14:07:45] <danimal_garage> hours
[14:07:54] <danimal_garage> and i still got 3 to go
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[14:09:13] <kb8wmc> danimal_garage: that will make you old before your time
[14:10:00] <danimal_garage> i have to get some stuff done, there were no options
[14:10:15] <kb8wmc> aha
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[14:30:57] <MattyMatt> I can't decide how to fix this leadnut. I can either stuff the stripped one with delrin then tap it (new leadscrew is smaller) or saw off the nut part and replace with a delrin block
[14:31:18] <JT-Work> blow it up
[14:31:31] <MattyMatt> yeah, bronze shrapnel
[14:31:43] <JT-Work> make a delrin helicoil
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[14:32:42] <atmega> buy a ball screw/nut
[14:33:03] <MattyMatt> that might work but the old leadcrew was left handed and my new temporary one ir right handed. small pitch too
[14:33:29] <MattyMatt> yeah will get a ballscrew eventually, this is just a lashup
[14:33:52] <MattyMatt> so I may stuff it with body filler for now
[14:35:12] <MattyMatt> I've been saving my delrin dust for this sort of eventuallity
[14:35:58] <MattyMatt> it'll probably do better than body filler
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[14:40:28] <JT-Work> I thought I was onto something this morning... found a USB internal floppy + card reader... worked my way back to the manufacturers web site and discovered you still need a floppy header on your MB for it to work :/
[14:43:23] <cradek> the card reader part is just usb, I assume
[14:44:03] <MattyMatt> an LS-120 + usb->pata dongle might the easiest way to get a usb floppy
[14:44:29] <atmega> a usb floppy is the easiest way to get a usb floppy
[14:44:47] <MattyMatt> depends how hard coming by money is :)
[14:44:49] <cradek> I bet finding a way to not need floppies is another good way to solve this problem
[14:45:02] <MattyMatt> yeah that one works for me
[14:45:47] <cradek> I'm glad I generally have machines that are new enough to boot from cd now. there was a long dark age where that usually just didn't work.
[14:45:48] <MattyMatt> I find my usb->pata very handy now and then
[14:46:22] <MattyMatt> especially at it does both 3.5 & 2.5
[14:47:16] <atmega> or the ones that won't work with large disk drives.
[14:47:46] <cradek> well we've had that problem many times :-)
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[14:47:56] <MattyMatt> a driver can fix that one
[14:48:09] <cradek> it was usually bios
[14:48:31] <cradek> well the 32 MB limit in dos was dos - but the 340 MB ide limit was bios - etc etc
[14:48:49] <MattyMatt> pata lasted quite a long time all in all
[14:48:57] <cradek> yes definitely
[14:49:22] <cradek> ps2 keyboard/mouse too
[14:49:26] <cradek> analog vga
[14:49:38] <cradek> a lot of what we still see as normal is pretty old
[14:49:55] <MattyMatt> literally in the case of my model M :)
[14:50:09] <cradek> heh same
[14:51:12] <MattyMatt> I'll need a modern KVM one day tho. VGA is disappearing
[14:51:42] <cradek> analog vga + lcds sucks so bad. if CRTs are gone, good riddance to vga.
[14:52:28] <cradek> I still have CRTs on all my KVMs because lcds suck so bad at non-native resolution
[14:52:40] <MattyMatt> I find it works OK, but this LCD is in the hdmi, so I need to mess with the LCD controls to get the VGA machines through the KVM
[14:52:56] <cradek> AUTO ADJUSTING ... throb throb throb throb throb throb throb throb throb ... THERE! (totally unreadable screen)
[14:53:16] <MattyMatt> I'd still use CRT if mine hadn't all died in quick succession :(
[14:53:29] <cradek> there's approximately one billion of them around - just grab one
[14:54:00] <cradek> I actually saw one sitting in a stairway last week - it was 21", had a sign on it that said 'free! works great!'
[14:54:20] <MattyMatt> I think they all die quickly when you run them at 2048x1536
[14:54:21] <cradek> I think it outside a telemarketing office
[14:54:40] <cradek> yes the HOTs on those high res ones are fragile
[14:54:47] <MattyMatt> they all worked flawlessly at 1600x1200 for 10 years
[14:55:22] <MattyMatt> but I had to go and push it when I got this machine :)
[14:56:39] <MattyMatt> I'll probably fix a couple I have. field collapse is always the big transistor
[14:57:01] <cradek> yes (horizontal output transistor = HOT)
[14:57:34] <cradek> sometimes they take the flyback too, which means your $25 replacement transistor will last a very short time
[14:57:48] <MattyMatt> I learned that with my Atari ST mono screen
[14:58:22] <MattyMatt> yeah it's dumpster time I guess
[14:59:10] <MattyMatt> generic transitors won't do, they are always "extreme edition" to start with
[15:00:20] <cradek> fixing large crts is just a pain. best avoided if you can help it. just watch the curbs and grab another one :-)
[15:01:14] <MattyMatt> or watch for one of those 3200x2400 IBM ones on ebay
[15:01:49] <MattyMatt> or just buy a bunch of 17" lcd and stop worrying
[15:03:09] <MattyMatt> I can't understand why hi res LCD are so scarce. I don't think they're much more diffucult to make
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[15:06:03] <cradek> MattyMatt: any resolution > 1080 lines is wasted because computers are mainly used for consuming content, and content comes in DVD format or lower resolution
[15:06:23] <MattyMatt> yeah that's the only explanation I can think of
[15:06:38] <atmega> I'm not much on content consumption
[15:06:56] <MattyMatt> but then kindles are crap res too
[15:07:09] <atmega> but I like having lots of non-overlapping windows
[15:07:30] <atmega> kindles don't need high res, they have nice contrast though
[15:07:35] <cradek> it's sad to see resolutions going down
[15:07:59] <cradek> 1200 lines was the standard for so long - now it's a rare specialty thing
[15:08:30] <cradek> guess I'll keep my QXGA laptop forever - hope it lasts.
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[15:08:51] <MattyMatt> in a few years, they'll be selling New! Tall Screen Tech
[15:08:53] <cradek> can't replace it with new for any amount of money
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[15:10:20] <MattyMatt> this 20" widescreen would be OK if I had 3 of them on their side
[15:10:31] <MattyMatt> I could see 3 pages of text OK then
[15:10:48] <atmega> there's a guy here with one horiz, one vert... I can't stand that.
[15:10:51] <MattyMatt> but blender would be a pain
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[16:16:50] <JT-Work> anyone use a linear position transducer before?
[16:18:09] <atmega> <-
[16:18:13] <atmega> not with emc though
[16:18:45] <JT-Work> this is for an automation project
[16:19:12] <JT-Work> to measure the height difference between the compression release tab and the cam
[16:21:01] <atmega> I don't now what that is, but it sounds like a de-sta-co clamp (which I despise)
[16:21:26] <JT-Work> no, it is a cam shaft for a lawn mower engine :)
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[16:22:13] <JT-Work> the tab holds the valve open a bit as you pull start the engine and as soon as it is running the tab moves out of the way
[16:22:22] <atmega> yeah
[16:23:50] <atmega> automation project?
[16:24:05] <JT-Work> yea
[16:24:17] <atmega> for your lawn mower.
[16:24:33] <JT-Work> no, tab grinder auto
[16:25:03] <atmega> how accurate do you need to be?
[16:25:06] <JT-Work> for the inspection station of an automatic dial
[16:25:42] <JT-Work> the spec is +-.0025 so 0.0001" should be good
[16:27:12] <JT-Work> Keyence makes one that looks good atm
[16:27:27] <atmega> contact?
[16:27:32] <atmega> or one of their laser ones?
[16:27:38] <pcw_home> Spring loaded quadrature probe?
[16:27:42] <JT-Work> contact linear
[16:28:31] <pcw_home> whats the full range of motion?
[16:28:44] <JT-Work> < 10mm
[16:29:47] <JT-Work> something like this http://www.transducersdirect.com/HeleoCart/ProductPage/TD592M.aspx
[16:29:58] <skunkworks> this is the spring loaded weighted tap that makes the motor easy to start by leaving the intake valve open a little longer?
[16:30:01] <skunkworks> tab
[16:30:14] <JT-Work> yep
[16:30:20] <skunkworks> neat
[16:30:48] <JT-Work> yea, the tolerance for the difference between the cam and the tab is tighter than the tolerance for the cam :/
[16:31:02] <JT-Work> so I have measure off of the cam
[16:31:45] <pcw_home> seems like someone would make a little linear encoder with that 1u gold tape insted of those ancient strain gauge/pot things
[16:32:35] <atmega> we use lots of lvdts, lately some of the keyence lasers, and a few digital dial indicators
[16:32:59] <JT-Work> http://www.keyence.com/products/positioning/contact/gt2/gt2.php
[16:33:27] <JT-Work> the GT2 is what I'm looking at with Keyence
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[16:40:08] <pcw_home> They dont seem to say what its interface is like (and you need to register to download manuals)
[16:40:37] <JT-Work> yea, that sucks but I did it
[16:40:55] <JT-Work> the amp has a low, good, high output as well as analog
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[16:41:39] <atmega> did you give them a real phone number?
[16:42:11] <JT-Work> yea, we have a Keyence guy that we use when we need their stuff
[16:42:31] <Jymmm> Did someone ping me?
[16:42:56] <JT-Work> no, go back to sleep :P
[16:43:51] <Jymmm> That's not hard to do
[16:45:41] <atmega> check out the IA laser sensors
[16:46:00] <pcw_home> Looks like they also have a quadrature output amp if relative measurements are OK
[16:46:15] <atmega> you can set them up in pairs to do auto-subtract or whatever you want
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[16:51:12] <Jymmm> They dont say resolution
[16:51:48] <JT-Work> if I use a laser I would use a Panasonic HL-G1 just because I get great service from the Panasonic rep
[16:54:31] <JT-Work> the target is only 1.5mm x 3mm and the cams are different color plastic :/ so I figured a mechanical would be better
[17:00:10] <JT-Work> Jymmm: the GT resolution is 0.039Mil
[17:00:29] <Jymmm> the IA laser
[17:01:11] <JT-Work> oh
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[17:02:02] <JT-Work> most I've looked at are <0.1Mil
[17:02:04] <Jymmm> cradek: New project for the bus... http://s3.hubimg.com/u/1279934_f520.jpg
[17:02:18] <JT-Work> the panasonic one is 0.02 mil
[17:02:41] <JT-Work> looks like fun
[17:03:16] <Jymmm> And about 5 gallons to the mile too.
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[17:17:35] <mrsunshine_> think it would be posible to just balance a V grove pulley that is off center by 0.05mm ?
[17:17:46] <mrsunshine_> or do i even need to bother? :)
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[17:30:15] <JT-Work> 1 RPM?
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[17:32:17] <Jymmm> I hate to say this, but doens't this look like it's "Censored Spread Eagle" (no pun intended) http://upload.wikimedia.org/wikipedia/commons/thumb/5/5b/Greater_coat_of_arms_of_the_United_States.svg/500px-Greater_coat_of_arms_of_the_United_States.svg.png
[17:34:48] <atmega> you know, it's never occured to me to even wonder where the term 'spread eagle' came from
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[17:55:48] <alex_joni> Jymmm: howdy
[17:55:58] <Jymmm> hola
[17:56:10] <alex_joni> seen my messages earlier?
[17:56:17] <Jymmm> no
[17:57:34] <alex_joni> logger[psha]: .
[17:57:58] <alex_joni> Jymmm: http://psha.org.ru/irc/%23emc/2011-02-11.html#09:45:43
[17:58:49] <Jymmm> alex_joni: Thanks, I wished they gave mroe technical details
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[18:11:12] <IchGuckLive> Hi all in the USA
[18:11:26] <IchGuckLive> and all over the emc-World
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[18:15:37] <alex_joni> Jymmm: there are some on their website
[18:16:03] <Jymmm> alex_joni: I need to know if it can read/play ISO's directly
[18:16:50] <alex_joni> DVD (VOB . IFO . ISO)
[18:16:55] <IchGuckLive> VLC plays iso's direct
[18:17:13] <alex_joni> IchGuckLive: we're talking about a media player, not a PC
[18:17:23] <alex_joni> HDX Bone
[18:17:56] <IchGuckLive> i got a Dreambox and i can play iso from the NAS ,for instanse
[18:17:57] <Jymmm> alex_joni: Cool, if it could only do netflix now, it be almost perfect
[18:18:38] <Jymmm> alex_joni: But $185 is a bit much
[18:19:25] <IchGuckLive> HDX Bone also accpts the vlc plugin via android
[18:19:40] <alex_joni> it's around 99$ now
[18:19:59] <Jymmm> alex_joni: where do you see that?
[18:20:14] <alex_joni> local price 299RON ~ 100$
[18:20:49] <Jymmm> link?
[18:21:03] <alex_joni> hang on
[18:22:10] <alex_joni> hmm, I misremembered it's 399RON
[18:22:15] <alex_joni> http://www.hdland.ro/189_p_hdx-bone/
[18:23:00] <alex_joni> 1 ron ~ 0.32$
[18:23:15] <alex_joni> so it's more like 127$
[18:23:16] <Jymmm> 399 Romanian lei = 126.7352 US dollars
[18:23:46] <alex_joni> 129$ on ebay
[18:24:07] <alex_joni> http://cgi.ebay.com/HDX-Bone-2-5-Portable-multimedia-Network-Media-Player-/190497887013
[18:24:15] <alex_joni> plus 11$ shipping
[18:29:37] <Jymmm> DX has it for $183, so we'll see if they price match
[18:30:56] <IchGuckLive> i got a question about wirering a Servo motor the plug has 6 pins for the power and 8 for control
[18:31:23] <IchGuckLive> where can i find somthing about this
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[18:31:43] <IchGuckLive> i only wort with step systems for now
[18:32:40] <IchGuckLive> Motor is a Omron R7m series
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[18:33:58] <alex_joni> Jymmm: let me know how it goes, it looks like a nice little device
[18:34:50] <Jymmm> alex_joni: Still seems a bit pricy. If it did netflix and had VGA out might do for me
[18:35:17] <bill20r3> popcornhour ftw.
[18:35:29] <alex_joni> Jymmm: http://hdx.ro/descarcabone.php
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[18:36:27] <Jymmm> alex_joni: Yeah, I saw that
[18:37:05] <alex_joni> Jymmm: isn't there an android app for netflix?
[18:37:15] <Jymmm> alex_joni: no clue
[18:38:18] <alex_joni> http://www.droid-life.com/2011/01/27/netflix-android-app-headed-to-qualcomm-snapdragon-phones-first/
[18:38:23] <alex_joni> not yet it seems
[18:38:38] <L84Supper> I'm looking for a small positioner with <1 micron repeatability to hold some glass slides ~1"x 4", manual is ok
[18:39:29] <Jymmm> alex_joni: I also need to figure out how to control my net tuner from something like this as well.
[18:40:43] <skunkworks> stupid linux qestion... http://pastebin.com/wyWyuStF why is the used dev size twice what it should be?
[18:40:49] <IchGuckLive> L84Supper: ready made or self made ?
[18:40:59] <skunkworks> (I am also asking ubuntu forums)
[18:41:16] <L84Supper> IchGuckLive: off the shelf
[18:42:42] <Jymmm> skunkworks: why do you say twice?
[18:43:05] <IchGuckLive> 2 linear guide with a ballscrew to drife woudt do the yob
[18:43:23] <Jymmm> skunkworks: You dont have 2TB of data on the array?
[18:43:29] <skunkworks> I may not understand what it is.. but in raid 5 - shouldn't the used udev be equal to 1 drive in the array?
[18:43:36] <skunkworks> 8 1tb drives on this one.
[18:43:57] <Jymmm> skunkworks: You dont have 2TB of data on the array already??
[18:44:07] <skunkworks> no. Just created.
[18:45:05] <Jymmm> I wonder if thats parity (RAID5)
[18:45:16] <IchGuckLive> L84Supper: thewre are tiny 8mm ballscrews aon the market that can do this with a 200step motor in a 1/16mode
[18:47:20] <L84Supper> IchGuckLive: yeah, I'm just looking for a part number out of a catalog for the whole thing .... no budget for my time :)
[18:47:51] <IchGuckLive> L84Supper: USA ot Europe
[18:47:56] <Jymmm> skunkworks: http://www.spinics.net/lists/raid/msg25514.html
[18:47:58] <L84Supper> USA
[18:48:25] <L84Supper> http://www.physikinstrumente.com/en/products/prdetail.php?sortnr=201525 for example
[18:49:06] <IchGuckLive> woudt be better for Airmodel scale builders this ist used in the wings
[18:49:23] <skunkworks> Jymmm: Thanks! (I had not had any luck finding anything on it)
[18:49:43] <Jymmm> skunkworks: I even found YOUR posts too
[18:49:49] <skunkworks> ehe
[18:49:49] <IchGuckLive> does Bosch REXroth sell in the USA ?
[18:49:50] <skunkworks> heh
[18:50:14] <L84Supper> IchGuckLive: I'm just working on a proof of concept before building a full machine
[18:50:36] <L84Supper> heh.... yeah Bosch, my wallet knows them well :)
[18:50:51] <IchGuckLive> for low costs go with this 4to 6 components
[18:51:31] <IchGuckLive> its made around here in saarbrücken Germany about 20min to drive
[18:54:10] <L84Supper> heh PI has an office in Lederhose, I though you only wear them, not live there ;)
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[18:57:36] <L84Supper> IchGuckLive: for some reason my local Bosch distributor never has anything in stock I need except for T-slot
[18:57:45] <IchGuckLive> so isent there anywhere a shematic how servo motors work in general not Steppers
[18:57:56] <atmega> probably lots of them
[18:58:03] <L84Supper> it's always 8-12 weeks for something
[18:58:05] <IchGuckLive> L84Supper: agree here is the same
[18:58:17] <IchGuckLive> oh no 3days
[18:58:28] <L84Supper> huh, i thought it was maybe just slow sales in the US
[18:59:45] <IchGuckLive> L84Supper: http://www.gtenusa.com/
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[19:03:22] <IchGuckLive> L84Supper: http://www.thkstore.com
[19:06:37] <Jymmm> skunkworks: using mdadm 2.6.8?
[19:06:42] <IchGuckLive> L84Supper: ready made system 225Dollars here http://www.motiontek.ca/ballscrew.html
[19:07:00] <Jymmm> skunkworks: they fixed a bug in 2.6.9 related to sector/byte math
[19:12:45] <IchGuckLive> by for me today
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[19:15:02] <Jymmm> skunkworks: A friend is suggesting that value is the parity in a RAID5 setup
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[19:36:20] <Connor> /msg nickserv identify tif0930
[19:36:28] <bill20r3> d'oh
[19:36:43] <Connor> yup. guess I'll be changing that password... huh ?
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[20:15:33] <Connor> anyone know what to call wire management used on draws and racks were it's a multi pivot arm that the wire attaches too so you can slide a draw, rack-mount case etc.. in and out without unplugging cables?
[20:17:51] <archivist> hmm I have had them...cant remember the name either
[20:18:08] <Connor> I guess it's just a Cable Arm
[20:19:55] <Connor> making one out of paint stir sticks and hinges for my mini PC and draw.. it's got 4 joins vs 2 or 3.. much tighter space...
[20:20:04] <archivist> cable management arm seems to be popular on google
[20:21:31] <archivist> http://iblparts.co.uk/cablemanagement.html
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[20:40:17] <Connor> Hmm, the wire makes it work better... make the joints a bit more stiff.. nice..
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[21:33:06] <mrsunshine_> any good software for cutting gears and timing pulleys etc using mill with 4th axis?
[21:34:44] <cradek> I'd hand code it...
[21:35:03] <cradek> if you use a gear cutter or other form tool, it's a very simple motion
[21:35:23] <mrsunshine_> well i was thinking endmill =)
[21:35:37] <mrsunshine_> and i want to try and make timing pulleys someday :P
[21:35:50] <cradek> heh, I'd still hand code it...
[21:36:18] <cradek> cut each with three passes, one for the root, one for each side
[21:36:23] <cradek> very simple trig
[21:36:23] <mrsunshine_> i guess, back and forth, move A, do #1 again :P
[21:40:15] <mrsunshine_> i need to have full metal access to a machine shop so i can build my machine shop :P
[21:43:22] <cpresser_> just a simple question to help me enhance my english: what is the difference between a pulley and a timing-pulley?
[21:43:50] <mrsunshine_> can you program emc to do locking on a rotational axis before it moves on ?
[21:44:14] <mrsunshine_> cpresser_, well a pulley as i see it is for a V grove belt, while a timing pulley is for a toothed belt
[21:44:34] <Tom_itx> you could even put it in a subroutine
[21:44:37] <cradek> cpresser_: a 'timing belt' is one that has teeth - a timing pulley is the same
[21:44:41] <Tom_itx> good time to learn about those
[21:44:46] <cpresser_> okay. the tooth. ty :)
[21:45:04] <mrsunshine_> Tom_itx, never programmed a line of G code by hand still =)
[21:45:20] <Tom_itx> good time to learn about that too :D
[21:45:22] <cpresser_> when i read 'timing pulley' i was thinking about the german word 'kurvenscheibe' which is something entirely different :)
[21:46:25] <mrsunshine_> something like, release clutch, move A axis, lock clutch, mill ... to make sure that nothing is moving while milling
[21:46:40] <mrsunshine_> shouldnt be to hard? :)
[21:46:41] <skunkworks> mrsunshine_ yes
[21:46:57] <cradek> yes emc2 has support for locking rotary axes
[21:46:59] <skunkworks> that is how my rotory axis works..
[21:47:12] <mrsunshine_> skunkworks, ah ok =)
[21:47:13] <skunkworks> kinda
[21:47:17] <skunkworks> :0
[21:48:45] <skunkworks> mrsunshine_: http://www.youtube.com/watch?v=vLE4lzPcEo8
[21:49:21] <skunkworks> it actually has to lift - to rotate.
[21:49:31] <Tom_itx> emc supports subroutines doesn't it?
[21:49:35] <cpresser_> cutting real gears will be a little bit more difficult. since the tooths are more than simple shapes
[21:50:09] <Tom_itx> start out coding a helical pinion :D
[21:50:24] <skunkworks> cpresser_: then you do it the 'real' way.. (with emc of course) http://www.youtube.com/watch?v=ZhICrb0Tbn4
[21:50:29] <skunkworks> :)
[21:50:47] <cradek> to cut involutes you could make a rack cutter and use a hobbing type motion (or use a real hob of course)
[21:51:18] <cpresser_> i see, a gear hob.
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[21:51:55] <cpresser_> similar like this: http://www.youtube.com/watch?v=vyg0Emz4Vx4&feature=related
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[21:54:32] <cpresser_> btw: stuff i made with emc recently: http://ca.rstenpresser.de/~cpresser/tmp/pictures/unsorted/fluegel/
[21:57:15] <cradek> funky
[21:57:48] <cradek> the light from the legs is interesting
[21:58:18] <cradek> did you use truetype-tracer to do the text?
[21:59:07] <cpresser_> kind of. most gcode was created with vcarve-pro
[21:59:18] <cradek> aha
[21:59:39] <cpresser_> there are 3 High-Power-LEDs in each leg.
[21:59:59] <cpresser_> since they are mounted without a diffusor the light doesnt mix
[22:01:35] <skunkworks> that is cool - sort of a sudo grand piano :)
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[22:16:45] <JT-Shop> I like the blue one :)
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[22:45:32] <Guest623> hi there
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[22:48:16] <Guest623> i got a question after installing ubuntu 10.04... anybody there who can help me?
[22:49:06] <Guest623> after installation, the loader pops up, i choose ubuntu and after a while the loading screen hangs up
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[22:54:56] <JT-Shop> did you put the LiveCD in the drive and boot up the computer?
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[23:00:01] <JT-Shop> Guest623: ^^^
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[23:12:04] <Emcrules_Laptop> JT-Shop any luck finding you pokeys?
[23:13:27] <JT-Shop> no, but it is here somewhere... I've really been concentrating on getting the roof on the shop blacked in. I looked out here and it must be down in the beer cave... I'll resume the search in the morning
[23:18:27] <Emcrules_Laptop> Thanks. Have a good one!!
[23:18:48] <JT-Shop> ok you too
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[23:52:19] <jthornton> Emcrules_Laptop: Found it!
[23:52:56] <Emcrules_Laptop> Cool You must of found the beer too!!!
[23:53:00] * jthornton head out for some dinner with the wife now
[23:53:34] <jthornton> yea I have an 8 keg kegerator but it is full of frozen meat atm
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