#emc | Logs for 2011-05-19

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[00:00:06] <Tom_L> the 2313 has a uart
[00:00:18] <Tom_L> but it's probably more than you need
[00:00:30] <Tom_L> i'm not sure what others have hardware uart
[00:00:38] <Tom_L> i2c would be an option
[00:00:43] <Tom_L> or would it?
[00:00:57] <Jymmm> Tom_L: interface with a standard mobo
[00:01:03] <Jymmm> "somehow"
[00:01:11] <pfred1> to do what?
[00:01:17] <Tom_L> i got my temp sensors on the parport with i2c
[00:01:24] <Tom_L> using lmsensors
[00:01:29] <Jymmm> Tom_L: 2 pins?
[00:02:17] <Jymmm> Tom_L: I need to color calibrate it, blink at various rates, various colors, and other animations
[00:02:50] <Tom_L> could you set up a serial stream with packet info
[00:03:03] <Jymmm> Not really
[00:03:05] <pfred1> leds are current pigs you need something that can supply it enough
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[00:03:23] <Tom_L> drive them with signal transistors
[00:03:24] <Jymmm> pfred1: Not a problem , this is a single led
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[00:03:40] <Tom_L> brb this router is pissin me off
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[00:04:15] <pfred1> Jymmm a single LED can draw 20 ma
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[00:04:33] <Jymmm> pfred1: I have 20A available.
[00:04:43] <pfred1> out of am otherboard?
[00:04:51] <Jymmm> y
[00:05:07] <pfred1> you mean your power supply can deliver 20 amps
[00:05:13] -!- Tom_L [Tom_L!~Tl@unaffiliated/toml/x-013812] has joined #emc
[00:05:17] <Jymmm> Yeeeeeeeees
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[00:05:30] <pfred1> power supplies are not motherboards
[00:05:46] <Tom_L> http://tom-itx.dyndns.org:81/~webpage/temp/LM75/PPort_Brd_bottom.jpg
[00:05:47] <Jymmm> pfred1: The mobo is not powering the LED, only controlling it via a uC
[00:06:04] <Tom_L> that's the interface board for my temp sensors
[00:06:05] <pfred1> well something has to give it the juice it needs
[00:06:14] <Jymmm> anyhow...
[00:06:16] <pfred1> transistor driver IC
[00:06:29] <Jymmm> Tom_L: How many of thos PCB's do you have?
[00:06:29] <Tom_L> i pulled 5v off one of the floppy connectors
[00:06:35] <Tom_L> dunno
[00:06:38] <Tom_L> maybe a couple more
[00:06:57] <Jymmm> Tom_L:what's the extra 4 pads for?
[00:07:46] <Tom_L> mmm i thought i had a pic of it but i guess not
[00:07:52] <pfred1> the driver ICs on my breakout board can just barely supply 2 LEDs with current
[00:08:00] <Tom_L> power and i2c
[00:08:05] <pfred1> and it is designed to deliver current
[00:08:45] <Jymmm> pfred1: I have LED drives that can deal with 64 LEDS
[00:08:53] <Jymmm> drivers
[00:09:00] <Tom_L> http://tom-itx.dyndns.org:81/~webpage/temp/LM75/temp/lm75_1.jpg
[00:09:06] <Tom_L> there's the sensors
[00:09:17] <pfred1> Jymmm half an amp huh?
[00:09:30] <Jymmm> Tom_L: Isn't there AVR's that size?
[00:09:36] <Jymmm> as those sensors
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[00:09:53] <Tom_L> http://tom-itx.dyndns.org:81/~webpage/temp/tiny/tinyTPI1.jpg
[00:09:58] <Tom_L> you mean like that?
[00:09:58] <pfred1> 3 watts is pretty good
[00:10:07] <Jymmm> yeah
[00:10:11] <Tom_L> that's an attiny10
[00:10:20] <Jymmm> Tom_L: how many I/O?
[00:10:24] <Tom_L> 2
[00:10:26] <Tom_L> 4
[00:10:27] <Jymmm> dman
[00:10:28] <Tom_L> wrong button
[00:10:30] <Tom_L> :D
[00:10:30] <Jymmm> 4???
[00:10:32] <Tom_L> yeah
[00:10:40] <Jymmm> 4 works.
[00:10:43] <Tom_L> 16bit timer
[00:10:46] <Tom_L> adc
[00:10:50] <Tom_L> you pick what you want
[00:10:52] <Tom_L> pwm
[00:10:54] <Jymmm> lol
[00:11:15] <Tom_L> you can program reset as an io but you need 12v to get it back
[00:11:15] <Jymmm> I might have todo the DIP just for the PCB factor
[00:11:37] <Tom_L> http://tom-itx.dyndns.org:81/~webpage/commerce/12v_TPI_Prog_top.jpg
[00:11:41] <Tom_L> that's what that does
[00:12:22] <Tom_L> http://tom-itx.dyndns.org:81/~webpage/commerce/12v_TPI_Prog_connect.jpg
[00:12:31] <Tom_L> hook it between the programmer as a 12v recovery board
[00:12:40] <Jymmm> ah
[00:14:17] <Tom_L> http://tom-itx.dyndns.org:81/~webpage/pdf/atmel/PARAMETRIC_TABLE.pdf
[00:14:18] <bzzzz> holy crap, is that your jtag?
[00:14:21] <Tom_L> big file
[00:14:23] <Tom_L> no
[00:14:31] <Tom_L> that's an avr programmer
[00:14:35] <bzzzz> max562a
[00:14:45] <bzzzz> i suck at reading upside-down
[00:14:46] <Jymmm> Play the video... http://www.harborfreight.com/power-tools/circular-saws-1/5-doublecut-saw-68316.html?utm_source=double_cut051811&utm_medium=email&utm_campaign=2011
[00:15:22] <bzzzz> Tom_L: were you looking to program ucs with jtag? or fpgas?
[00:15:22] <pfred1> sears made one of those
[00:15:35] <pfred1> cept their is bigger
[00:15:37] <Tom_L> 48 and 88 have twi
[00:15:43] <Tom_L> 2313 has uart
[00:15:50] <Tom_L> twi = i2c
[00:16:18] <Jymmm> Tom_L: I might have to pic your AVR some time down the road.
[00:16:29] <Jymmm> ^brain
[00:16:34] <Tom_L> actually quite a few have twi
[00:16:48] <Tom_L> you won't get much from it
[00:16:53] <AC-130H> heh
[00:17:09] <AC-130H> have people built their own controller boards?
[00:17:11] <Tom_L> P.15 of the pdf
[00:17:21] <Tom_L> what type of controller boards?
[00:17:29] <Tom_L> i've done a few
[00:17:33] <pfred1> you mean stepper drivers?
[00:17:45] <AC-130H> stepper/servo drivers, yes
[00:17:50] <pfred1> sure i have
[00:17:55] <AC-130H> i have some stepper driver chips, in storage
[00:18:03] <Tom_L> http://tom-itx.dyndns.org:81/~webpage/motors/hb1.jpg
[00:18:10] <AC-130H> i believe UC1770bn's
[00:18:12] <Tom_L> those are good for about 3A
[00:18:21] <pfred1> this is mine http://www.youtube.com/watch?v=cgbeyNNBZ68&feature=channel_video_title
[00:18:31] <pfred1> mine is only good to 2.5 amps
[00:19:06] <Tom_L> i wouldn't buy any, those were samples
[00:19:13] <Tom_L> go price an LM18200
[00:19:17] <AC-130H> yeah dont think my driver chips would see 2A, unless i ran the output to some high power switching transistors... i dunno though, the ICs i have were intended for a small cnc project
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[00:19:55] <pfred1> AC-130H TB6560AHQs are easy to work with
[00:20:19] <Tom_L> http://tom-itx.dyndns.org:81/~webpage/motors/hbridges2.jpg
[00:20:25] <Tom_L> those are good for about an amp
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[00:21:26] <pfred1> AC-130H this is the schematic to my driver http://img695.imageshack.us/img695/5841/tb6560ahqa.png
[00:21:59] <AC-130H> crap, i really need to get my electronics shit out of storage in IL.
[00:22:29] <pfred1> this is the actual board http://i.imgur.com/jnbx6.jpg
[00:22:36] <pfred1> pretty simple
[00:23:03] <AC-130H> just to left of the motor?
[00:23:10] <Tom_L> those are about 3A right?
[00:23:14] <pfred1> yes
[00:23:19] <Tom_L> cheap
[00:23:29] <AC-130H> hmmm
[00:23:35] <pfred1> I paid $4.76 for a TB6560AHQ
[00:23:36] <Tom_L> http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=TB6560AHQO-ND
[00:23:37] <AC-130H> wonder how easy it is to make servo controller boards
[00:23:49] <pfred1> the whole driver cost me about $10 to make but i had some parts
[00:23:55] <Tom_L> just sit down and draw one up
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[00:24:41] <pfred1> no etching point to point http://img709.imageshack.us/img709/9816/tb6560boardb.jpg
[00:24:56] <AC-130H> i'd have to know at least what chips to use for a servo driver
[00:25:05] <Tom_L> lol at phenolic
[00:25:20] <AC-130H> fuck phenolic. FR-4 all the way. :)
[00:25:37] <pfred1> worksd here
[00:25:37] <Tom_L> you use what you got
[00:26:13] <AC-130H> yeah, i work at an electronics fabhouse, i can get stuff pretty cheap
[00:26:31] <pfred1> I used to assemble PCBs a long time ago
[00:26:38] <Tom_L> i got a little FR-4
[00:26:39] <Tom_L> http://tom-itx.dyndns.org:81/~webpage/etching/Copper1.jpg
[00:27:00] <AC-130H> mmmm, sweeet sweet FR-4...
[00:27:15] <AC-130H> little cnc project i had in mind was for pcb etching and drilling. :)
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[00:27:28] <AC-130H> i know copper is hard as hell on tools though
[00:27:36] <pfred1> this is another driver I made http://img338.imageshack.us/img338/1538/pict0783o.jpg
[00:27:54] <AC-130H> yeah i was looking at THAT driver in the first place
[00:27:56] <pfred1> it is based on an old SLA7026
[00:27:58] <AC-130H> not the one in th eback
[00:28:56] <pfred1> you can get stepper motor drivers pretty cheap today though
[00:29:07] <pfred1> not really worth putting them together
[00:29:42] <pfred1> I just do it because i enjoy it
[00:29:54] <AC-130H> unless you wanted them custom fit to your situation... again, may be impractical
[00:30:01] <Tom_L> http://tom-itx.dyndns.org:81/~webpage/3995_hbridge/A3995_Hbridge_top_pour.jpg
[00:30:03] <AC-130H> because they come in pretty compact packages these days
[00:30:10] <Tom_L> that one's good for about 3A i think
[00:30:14] <Tom_L> allegro chip
[00:30:40] <Tom_L> 2.5 maybe
[00:30:44] <pfred1> http://www.pololu.com/catalog/product/1201
[00:30:48] <pfred1> $13 bucks
[00:30:50] <AC-130H> allegro! yeah, i was looking for that manufacturer's name
[00:31:26] <AC-130H> bbiaf
[00:31:38] <pfred1> it is hard well it was last i looked to buy allegro stuffs lately
[00:31:55] <pfred1> no one was stocking it
[00:32:10] <pfred1> cept a few shady hobbyiests gouging them
[00:34:38] <Valen> Tom_L: kicad?
[00:34:53] <Tom_L> eagle 3d
[00:35:07] <Tom_L> i wouldn't waste my time doing another one
[00:35:09] <Valen> thats new
[00:35:10] <pfred1> i've tried some other stuff al lI can ever get to work is eagle
[00:35:42] <Tom_L> i've been using eagle since about ver 2.xx
[00:35:43] <pfred1> all the FOSS stuff I don't know
[00:35:52] <Valen> kicad works
[00:36:35] <pfred1> it didn't when I tried it it crashed like 3 steps into the tutorial
[00:38:15] <Valen> never crashed for me unlike eagle
[00:38:32] <pfred1> Valen well I've had the opposite experience
[00:38:41] <Valen> how did you get it?
[00:38:59] <pfred1> used my distro's package manager then built the latest from source
[00:39:12] <pfred1> how else should i get it?
[00:39:14] <Valen> it crashed in the package?
[00:39:23] <Valen> as in the packaged version crashed
[00:39:27] <pfred1> yes
[00:39:36] <Valen> when was this?
[00:39:50] <pfred1> or i wouldn't have bothered trying to get the latest source and build it to see if I could get it to work
[00:40:37] <Valen> pfred1: there are idiots out there yaknow ;->
[00:41:06] <pfred1> maybe but we're having a good time
[00:42:44] <pfred1> anyhow eagle works for my purposes
[00:43:01] <pfred1> I even figured out a way round their board size limitation
[00:44:11] <Tom_L> paid for it?
[00:44:12] <Tom_L> :D
[00:44:25] <pfred1> Tom_L don't be goofy
[00:44:44] <Valen> 's why i use kicad, no limits
[00:44:58] <pfred1> it was only an issue once
[00:45:10] <pfred1> and even then I redesigned the board and it fit
[00:46:00] <Valen> my desire is layers
[00:46:15] <pfred1> learn how to route traces
[00:46:37] <Valen> pfred1: learn how to suck eggs
[00:46:48] <Tom_L> mine does 16 layers i think
[00:46:50] <pfred1> Valen who told you I couldn't?
[00:47:04] <Valen> Tom_L: thats the $1500 package isnt it?
[00:47:07] <pfred1> its one or I'm not doing it
[00:47:22] <pfred1> http://img534.imageshack.us/img534/3946/hsoptofc.png
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[00:49:55] <Aero-Tec> are the drivers chopper type drivers?
[00:50:02] <pfred1> eagle's size limitation always forces me to design a better board than I might
[00:50:26] <pfred1> Aero-Tec all of mine are
[00:50:45] <Aero-Tec> where they limit the current to the coils
[00:50:54] <pfred1> huh?
[00:51:15] <pfred1> well yes that is what chopper ICs do
[00:51:23] <Aero-Tec> what about the ones that look a linear amp power tab?
[00:51:51] <Tom_L> package doesn't define the chip inside
[00:51:58] <pfred1> Tom_L thank you
[00:52:24] <Aero-Tec> I know that
[00:52:34] <pfred1> that is one thing I will say against the TB6560 it is a pain how you have to set it
[00:52:47] <pfred1> the allegro's are a lot nicer in that respect
[00:53:22] <pfred1> then again I guess it is a lot easier to blow a motor using an allegro and mis setting it
[00:54:06] <pfred1> wow i just keep on turning this trimmer and more powah! Poof!
[00:54:46] <Aero-Tec> so the 6560 is also a chopper type driver IC? or is that the chip pfred1 is using on his board?
[00:55:09] <pfred1> yeah google tb6560 datasheet it should get you the pdf
[00:55:23] <pfred1> its a pretty cool chip for the price
[00:55:45] <Tom_L> http://www.toshiba.com/taec/components2/Datasheet_Sync//382/27885.pdf
[00:55:48] <pfred1> I bought a half a tube I thought it was so neat
[00:56:09] <pfred1> plus I figured I'd blow some up messing around with it
[00:56:15] <AC-130H> i know the difference between stepper and servo is you have to have some way of sensing position with the servos... with steppers its just counting steps, right?
[00:56:25] <pfred1> the prototype i put a scatter shield on it :)
[00:56:44] <pfred1> I don't know anything about servos
[00:56:51] <pfred1> never did one yet
[00:57:31] <Tom_L> let emc do the pid stuff for them
[00:57:37] <Tom_L> just an hbridge
[00:57:42] <Tom_L> with encoder feedback
[00:57:50] <pfred1> check out the copper scatter shield on the breadboard http://img580.imageshack.us/img580/8305/tb6560ahqnoflash1.jpg
[00:58:00] <pfred1> just in case
[00:58:23] <AC-130H> er, yeah, i meant encoder feedback, thankyou, couldnt think of the term at the moment
[00:59:21] <pfred1> servos seem a lot more complicated to me lots have trouble just setting them up
[00:59:38] <pfred1> the whole "tuning" part of it
[00:59:40] <Tom_L> pid can be tricky to tune
[00:59:47] <pfred1> jynx!
[01:00:16] <AC-130H> yah
[01:00:17] <Tom_L> you just need a bacic understanding what each term does
[01:00:24] <pfred1> though steppers are annoying in that the faster you go the less torque you have
[01:00:37] <AC-130H> and if you overload em you miss steps
[01:01:09] <pfred1> AC-130H that is why I'm going to run 2 on each axis
[01:01:26] <AC-130H> hm
[01:01:32] <pfred1> well each axis but the Z
[01:01:39] <pfred1> but X and Y will both be doubled
[01:01:47] <AC-130H> i think on a cnc pcb etcher it is not that much of a concern since loads are light
[01:01:57] <AC-130H> but if its on like a bridgeport, careful :)
[01:02:01] <pfred1> I'm making a wood router
[01:02:10] <AC-130H> 2 per axis except Z is good for stuff like that methinks
[01:04:13] <pfred1> ha ha here is an eagle cheater board http://img404.imageshack.us/img404/6325/stitched.png
[01:04:43] <pfred1> I just needed the holes for drilling
[01:05:35] <pfred1> my funny BOB http://img690.imageshack.us/img690/9582/ppbbr4brd.png
[01:07:40] <pfred1> here's a board I couldn't manage to get to trace too well single sided http://img545.imageshack.us/img545/2833/tb6560ahqacr.png
[01:07:46] <pfred1> that is the TB6560
[01:08:00] <bzzzz> pfred1: two per axis? so you'll need twice the power supplies, right?
[01:08:24] <pfred1> bzzzz just one power supply that can put out the current
[01:08:34] <bzzzz> pfred1: how much current?
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[01:08:39] <pfred1> bzzzz this one http://img196.imageshack.us/img196/6414/pict0576h.jpg
[01:09:03] <pfred1> bzzzz if each motor draws 2 amps then 10 amps max
[01:09:37] <pfred1> you could have 3 bit stepper drivers and consume even more current
[01:09:41] <pfred1> big even
[01:09:41] <bzzzz> but isn't 2 amps kinda small for a cnc?
[01:10:17] <pfred1> yes but it is all I am interested in investing in it is still 200 oz/in
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[01:10:28] <pfred1> so I'll be running 400 oz/in an axis
[01:10:30] <bzzzz> ah, i see
[01:10:42] <bzzzz> why don't you just get a normal 400 oz?
[01:10:46] <pfred1> which I hope does the job
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[01:11:20] <pfred1> because 2 200s is like a quarter the price and I can more easily keep the machine from racking if i put a motor on each side as opposed to one in the middle
[01:11:37] <pfred1> motor and driver cost me $25
[01:11:52] <pfred1> tell me what one 400 oz/in motor costs let alone the driver it needs
[01:12:05] <bzzzz> clever
[01:12:17] <bzzzz> well, it keeps everything in one unit
[01:12:29] <bzzzz> with two per axis, you have twice the chance for break downs
[01:12:38] <pfred1> yup
[01:12:57] <AC-130H> oh that reminds me. whats the difference between ballscrews and acme leadscrews?
[01:12:58] <pfred1> got to hope things don't break but lots have problems with racking and their solutions get pretty complicated
[01:13:12] <pfred1> 10 times the power for 10 times the price
[01:13:42] <pfred1> if you really want cnc performance ballscrews are where its at
[01:13:57] <pfred1> but they're also where you can break the bank
[01:14:01] <AC-130H> so acme leadscrews on a manual machine?
[01:14:12] <pfred1> well you can't manual a ballscrew
[01:14:18] <pfred1> it needs to be held
[01:14:19] <AC-130H> (try to remove as much backlash as possible)
[01:14:36] <pfred1> ballscrews are so little friction they just move if they're not held
[01:14:48] <AC-130H> ahh
[01:15:00] <AC-130H> so your cnc motors will do the holding?
[01:15:05] <pfred1> yes
[01:15:17] <AC-130H> gotcha.
[01:15:19] <pfred1> well I'm using acme leads
[01:15:29] <pfred1> I'm not shelling out for no ballscrews
[01:15:43] <pfred1> least not now
[01:16:21] <AC-130H> not long ago i came across a hurco cnc mill, was in fugly shape, never was maintained, and i figured: ok.... gonna need new leadscrews... and later went, oop, not leadscrews, *ball*screws.
[01:16:30] <AC-130H> said nope, not gonna go for it, itll cost too much
[01:17:01] <pfred1> you can spend huge money on ground ballscrews
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[01:17:19] <AC-130H> yah
[01:17:20] <pfred1> the jonk most amateurs use is rolled
[01:17:27] <pfred1> and even it costs
[01:17:29] <AC-130H> especially recirc ground ballscrews
[01:17:52] <Tom_L> logger[psha]
[01:18:01] <pfred1> me I bought half 10 acme single start and I'm going to make HDPE nuts for it
[01:18:35] <pfred1> the worse my nuts come out the less backlash I'll have ;)
[01:18:58] <AC-130H> hahaha
[01:19:07] <pfred1> I think I got the acme for like $3.50 a length
[01:19:36] <pfred1> and I'm going to even try to make my own tap out of a cut off piece because I'll only be threading plastic
[01:19:47] <pfred1> you don't want to know what acme taps cost
[01:19:58] <pfred1> least i don't well I do and I don't
[01:20:44] <pfred1> they want over $50 for one tap and they're goofy
[01:21:23] <pfred1> turning down the end of a lead screw http://img199.imageshack.us/img199/6379/lead2b.jpg
[01:21:38] <pfred1> I'll use rubber hose to couple it to the motor shaft
[01:22:01] <pfred1> that'll be my coupler rubber hose and hose clamps
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[01:25:43] <Tom_L> http://eds.dyndns.org/~ircjunk/projects/cnc2/p1020692.jpg
[01:25:52] <Tom_L> one dude's effort
[01:26:33] <pfred1> chain looks greazy
[01:26:37] <Jymmm> whats the batteries for?
[01:26:49] <pfred1> they couldn't ifgure out how to build a power supply
[01:26:49] <Jymmm> motors look like ufos
[01:26:59] <Tom_L> hard to tell knowin rue
[01:27:25] <Tom_L> he's usually got at least 6 projects goin at once
[01:27:27] <pfred1> this thing can put out some juice! http://img713.imageshack.us/img713/2244/pict0579s.jpg
[01:27:55] <Jymmm> pfred1: wheres the magnetics?
[01:28:28] <pfred1> Jymmm they're in another box I am using a transformer out of a PDP 11/34 and I ganged up the windings that supplied the 5 volt rail
[01:28:38] <pfred1> Jymmm thing looks like it came out of a welder
[01:28:45] <Jymmm> ah
[01:29:00] <pfred1> this supply can weld when I touch the leads they stick together
[01:29:25] <Jymmm> QUESITON... Wuld you guys like to have a 1000VA xfmr that can have any secondary voltage you wanted?
[01:29:26] <pfred1> its kind of cute like a mini welder
[01:29:35] <pfred1> at one pount i was going to tap out of my MIG welder
[01:29:58] <Jymmm> in one volt increments
[01:30:04] <pfred1> but I finally hit uppon the idea of ganging up the windings in this other transformer
[01:30:53] <pfred1> I think each winding was 13.6 so together they're 27 volts and I can only run 24 into the TB6560s
[01:31:00] <pfred1> so it works out
[01:31:31] <Jymmm> PRI 110/220, SEC 1-220, 1000VA
[01:32:08] <Tom_L> you saw my supply parts for the new stepper setup didn't you?
[01:32:13] <pfred1> you can see the case the transformer is in in this picture http://img196.imageshack.us/img196/6414/pict0576h.jpg
[01:32:57] <Jymmm> pfred1: you been going to HF too much!
[01:33:09] <pfred1> I love thosel ittle meters
[01:33:19] <pfred1> i have a pile of them
[01:33:46] <Jymmm> pfred1: I bought four when they were on sale for $2, but you can't take them apart and make panel meters out of them =(
[01:33:56] <pfred1> why not?
[01:34:13] <Jymmm> pfred1: The LCD won't go 90 deg
[01:34:31] <Jymmm> it's those "PAD" types
[01:34:45] <Tom_L> zebra strips?
[01:34:50] <pfred1> yeah like the gray and black block connector junk
[01:34:51] <Jymmm> conductive foam pad
[01:34:56] <Tom_L> zebra strips
[01:35:07] <Jymmm> Tom_L: yeah, close to those
[01:35:21] <Jymmm> less zecra, more mule though
[01:35:25] <Jymmm> zebra
[01:35:47] <Tom_L> i gotta find a box for all my junk
[01:36:16] <Jymmm> big green one marked "dumpter"
[01:36:20] <Tom_L> then i'll start mounting stuff
[01:36:28] <pfred1> this is my junk box http://i.imgur.com/jPjY1.jpg
[01:36:30] <Tom_L> http://tom-itx.dyndns.org:81/~webpage/temp/cnc/psu1.jpg
[01:36:32] <Tom_L> psu parts
[01:36:56] <Jymmm> pfred1: I thought that was jthornton's
[01:37:11] <pfred1> Jymmm the other side looks even worse
[01:37:14] <Jymmm> Tom_L: whats the VA on those?
[01:37:19] <Jymmm> pfred1: heh
[01:37:27] <Tom_L> it'll give me ~50v 12A
[01:37:29] <Tom_L> dc
[01:37:58] <Jymmm> each?
[01:38:03] <Tom_L> both
[01:38:11] <Tom_L> 6a ea approx
[01:38:14] <Jymmm> 300va each ok
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[01:38:52] <pfred1> the front of my guest house when it was looking better than it does today http://img263.imageshack.us/img263/3218/p1010018sx.jpg
[01:39:05] * pfred1 doesn't want his guests to get too comfortable
[01:39:07] <Jymmm> That's the only thing I'm missing, the magnetics.
[01:39:26] <pfred1> Jymmm I even tried rewinding a microwave transformer
[01:39:39] <pfred1> it worked good until i had the bright idea of grounding the thing
[01:39:47] <Jymmm> pfred1: I'm thinking of having some made, if ppl are interested
[01:40:00] <pfred1> toroids?
[01:40:07] <Jymmm> pfred1: maybe
[01:40:19] <pfred1> they're really the only way to go if you can afford them
[01:40:54] <Jymmm> but I'm not going to if nobody wants them
[01:40:56] <pfred1> but i happened to have this boat anchor of a transformer out of that one computer
[01:40:58] <Tom_L> http://info.ee.surrey.ac.uk/Workshop/advice/coils/
[01:41:06] <Tom_L> there's all you need to know
[01:41:27] <Jymmm> Tom_L: fuck that, there's a place here that makes them
[01:41:40] <pfred1> I had such issues with noise I don't know about going switching supply
[01:41:44] <Tom_L> oh i'm sure you got a place out there that makes anything
[01:41:53] <Tom_L> damn west coasters
[01:41:54] <Tom_L> :D
[01:42:03] <Jymmm> Tom_L: Not anymore
[01:42:18] <Jymmm> they used to, now it's all imported from LA
[01:42:25] <pfred1> they're calling this state the california of the east coast anymore
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[01:45:50] <Tom_L> kelinginc has quite a few
[01:47:23] <pfred1> microwave transformers are doable just don't ground the things
[01:47:32] <pfred1> you can get mad power out of them
[01:48:05] <pfred1> you figure a microwave is rated for at least 1000 watts
[01:48:36] <ve7it> but they get very hot after an hour or 2... minimum iron,,, would be better if run off 90 or 100vac
[01:48:44] <pfred1> I just took out one winding and got some 12 gauge solid in there
[01:53:58] <pfred1> this transformer is 36 VAC step down but I've no idea what its VA is http://i.imgur.com/OZrOJ.jpg
[01:54:02] <pfred1> its an oddball
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[02:03:06] <l0st1nsp4c3> hey guys how's it going
[02:04:33] <l0st1nsp4c3> anybody in here alive?
[02:04:40] <pfred1> yes
[02:04:50] <pfred1> but I'm about to go get a bite to eat
[02:05:24] <l0st1nsp4c3> i just finished setting up my g540 and have one axis that once it's done spinning and holding torque goes on
[02:05:56] <l0st1nsp4c3> chirps once in a while...no other axis seems todo that so I'm wondering If i should swap motors see if it's the motor or the axis controler (g250 in the g540 for that axis)
[02:06:44] <l0st1nsp4c3> or should I not worry about the occasional chirping when holding torque is applied?
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[02:15:01] <l0st1nsp4c3> mmm
[02:20:52] <l0st1nsp4c3> anybody got any feedback on that?
[02:21:55] <Tom_shop> i'd swap em out to see if it made a difference
[02:22:08] <Tom_shop> might ease concern
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[02:22:19] <l0st1nsp4c3> i'll swap with an another axis
[02:22:28] <l0st1nsp4c3> see if the same motor makes the noise of it changes to an axis
[02:22:57] <Tom_itx> see which one the noise follows
[02:23:06] <l0st1nsp4c3> i'd rather it follow the motor
[02:23:14] <l0st1nsp4c3> then the invidual g250 in the g540
[02:23:28] <Tom_itx> is it new?
[02:26:40] <l0st1nsp4c3> yes
[02:26:44] <l0st1nsp4c3> and it doesn't follow the motor
[02:26:47] <l0st1nsp4c3> it follows the axis
[02:26:48] <l0st1nsp4c3> great
[02:27:10] <Tom_itx> guess you know what to do next
[02:28:32] <l0st1nsp4c3> this sucks
[02:29:02] <l0st1nsp4c3> i'm gonna contact gecko first before see what they say
[02:29:10] <l0st1nsp4c3> instead of contacting kelinginc
[02:29:17] <Tom_itx> bingo
[02:29:33] <Tom_itx> i've heard kelinginc is pretty decent to deal with too
[02:30:21] <Tom_itx> yet another reason not to get chinese crap
[02:30:53] <l0st1nsp4c3> lol
[02:31:05] <l0st1nsp4c3> gecko is usa so that's something not too bad
[02:31:12] <l0st1nsp4c3> altho i'm sure it's made in china lol
[02:31:16] <Tom_itx> they will stand behind it
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[02:32:23] <Tom_itx> i however am not their spokesperson
[02:33:16] <Tom_itx> you should have swapped those earlier today when you asked instead of waiting til now :D
[02:35:50] <l0st1nsp4c3> lol true true
[02:36:57] <l0st1nsp4c3> oh well this is discouraging
[02:37:09] <l0st1nsp4c3> cost of shipping arghh!
[02:40:44] <Tom_itx> ok, what is "PARK" signal for?
[02:41:01] <Tom_itx> it's listed on this driver pinout
[02:45:28] <l0st1nsp4c3> hum
[02:45:32] <l0st1nsp4c3> maybe for tool changing?
[02:55:06] <l0st1nsp4c3> this is craptacular
[02:57:28] <Tom_itx> not the answer you wanted?
[03:01:44] <l0st1nsp4c3> no
[03:01:48] <l0st1nsp4c3> motors where cheap
[03:01:56] <l0st1nsp4c3> i had a 4th axis I could've temp swapped
[03:02:06] <l0st1nsp4c3> the g540 isn't cheap
[03:02:20] <l0st1nsp4c3> can't do without one lol (vs the extra motor i could've done without for now)
[03:02:33] <l0st1nsp4c3> then I need to ship the controller board see what they say
[03:02:46] <l0st1nsp4c3> i've recorded a small video with my android phone will put on pc
[03:02:53] <l0st1nsp4c3> and try to get the sounds to them if need be
[03:03:14] <l0st1nsp4c3> I had a similar issue not to long ago with an Asus Rampage II extreme
[03:03:50] <Tom_itx> i doubt they'd want an over the phone sound diagnosis
[03:04:01] <l0st1nsp4c3> oh i know that
[03:04:09] <l0st1nsp4c3> I meant over the internet video via email
[03:04:22] <l0st1nsp4c3> for help to understand what I'm trying to describ as a chirp
[03:04:39] <l0st1nsp4c3> They might tell me it's normal (altho I doubt it since no other of the 2 axis i tried do it)
[03:04:44] <l0st1nsp4c3> haven't tried the A axis
[03:05:03] <Tom_itx> you swapped both axis and motors?
[03:05:20] <l0st1nsp4c3> i swapped X axis motor with the Y axis motor
[03:05:23] <l0st1nsp4c3> then moved both
[03:05:30] <l0st1nsp4c3> hopping it would stay in the same motor
[03:05:35] <Tom_itx> axis in question with a different motor and motor in question on a different axis
[03:05:43] <l0st1nsp4c3> yup
[03:05:56] <l0st1nsp4c3> motor that had the first issue was on X axis I put it on Y axis and tried it out
[03:06:01] <l0st1nsp4c3> never heard it chirp
[03:06:16] <l0st1nsp4c3> then when to the Y axis motor that never chirped that was now connected to X axis
[03:06:21] <l0st1nsp4c3> and it started chirping
[03:06:29] <l0st1nsp4c3> so definetly axis and not motor
[03:06:45] <Tom_itx> are there adjustments on the driver?
[03:06:48] <l0st1nsp4c3> yes
[03:06:52] <l0st1nsp4c3> trimpot
[03:06:58] <Tom_itx> what for?
[03:07:03] <Tom_itx> current limit?
[03:07:19] <l0st1nsp4c3> no
[03:07:24] <l0st1nsp4c3> current limit is set by current limit resistor
[03:07:55] <l0st1nsp4c3> it's to adjust low speed smoothness
[03:08:06] <Tom_itx> did you fiddle with it?
[03:08:14] <l0st1nsp4c3> yup
[03:08:28] <l0st1nsp4c3> in certain setting chirping seems to be hightened
[03:08:33] <l0st1nsp4c3> but I can't so far get it to go away
[03:09:10] <l0st1nsp4c3> i've decided to call it quits for today on the testing I unplugged everything
[03:10:27] <l0st1nsp4c3> i had fun looking up the power supply kelinginc sent me
[03:10:38] <l0st1nsp4c3> since his PDF for his model on the webpage has nothing todo with what he sent me
[03:10:43] <Tom_itx> which one did you get?
[03:10:50] <l0st1nsp4c3> kl-600-48
[03:11:00] <jdhNC> I cut three inside circles, they all ended up flat on one side (same place on each) is that indicative of backlash in one axis?
[03:11:10] <l0st1nsp4c3> which to my fiddling seems to be a meanwell se-600-48
[03:11:16] <Tom_itx> jdhNC, probably
[03:11:35] <l0st1nsp4c3> wouldn't backlash one one axis give you 2 flats
[03:11:39] <l0st1nsp4c3> not just 1?
[03:11:48] <l0st1nsp4c3> since it's a circle
[03:12:14] <jdhNC> uni-directional backlash?
[03:12:24] <l0st1nsp4c3> unlucky as no tomorrow?
[03:12:41] <l0st1nsp4c3> but even then
[03:12:47] <l0st1nsp4c3> how big of a flat is it?
[03:13:46] <jdhNC> supposed to be a .622" diameter circle, but it came out .642, the flat is around .2"
[03:13:54] <l0st1nsp4c3> you got a picture? would be fun to see
[03:14:38] <l0st1nsp4c3> could indeed be backlash...could also be timing issues and steps were missed + backlash
[03:15:20] <l0st1nsp4c3> are u using thread rod? ball screw? anti backlash nuts? or u have belts?
[03:15:29] <jdhNC> three identically bad circles
[03:15:59] <l0st1nsp4c3> is this a known working gcode or brand new?
[03:16:47] <l0st1nsp4c3> jdhNC maybe try the spiral gcode ? see how that works out?
[03:16:59] <Tom_itx> are you using square bearings on your lead screws?
[03:17:03] <jdhNC> new, but CAM'ed, no reason for it to be wrong... I'll check the code in a minute
[03:17:24] <l0st1nsp4c3> it's weird cause backlash in just one direction make no sense
[03:17:35] <l0st1nsp4c3> unless your anti backlash nut is doing something weird
[03:17:45] <l0st1nsp4c3> a normal nut will have backlash everytime you change direction
[03:18:40] <l0st1nsp4c3> and the way you are describing your issues is uni directional (not impossible) but your antibacklash mecanism if existant would have issues
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[03:19:12] <l0st1nsp4c3> or it's your gcode that has issues =)
[03:19:32] <l0st1nsp4c3> a simple test with the spiral function should tell u
[03:19:42] <jdhNC> http://www.artichoke.org/o2_plate.jpg
[03:19:46] <Tom_itx> G2, x,y,i,j is pretty basic code
[03:20:24] <jdhNC> the 4 inner circles have the flat at the top in that orientation. The outer circle seems round
[03:20:34] <Tom_itx> put a dial on your axis and see if they run true
[03:21:06] <l0st1nsp4c3> custom made or you on a retrofitted mill with motors?
[03:21:45] <jdhNC> router, steppers, acme
[03:22:12] <l0st1nsp4c3> do you have flexible shaft couplers?
[03:22:12] <jdhNC> the code is all G2
[03:22:26] <jdhNC> lovejoy type, but they seem rigid
[03:22:50] <jdhNC> the outside circle was G3
[03:22:57] <l0st1nsp4c3> keep in mind
[03:23:09] <l0st1nsp4c3> a circle is something that is a pain in gcode
[03:23:31] <l0st1nsp4c3> do you have dial indicators? something you could check if you're having issues on certain axis
[03:24:01] <jdhNC> yeah, I'll check them tomorrow. It's never been noticeable before
[03:24:09] <l0st1nsp4c3> so this is new?
[03:24:23] <jdhNC> the unroundness is
[03:24:50] <l0st1nsp4c3> if you have the time you can run the spiral examples in emc
[03:24:58] <l0st1nsp4c3> see how those fair
[03:25:10] <jdhNC> I did that when I first set it up, looked perfect with a pen
[03:26:00] <l0st1nsp4c3> weird weird
[03:26:41] <jdhNC> I have to recut it anyway, the holes came out too big even without the flat
[03:27:07] <l0st1nsp4c3> can you post the gcode?
[03:27:22] <l0st1nsp4c3> errr nvm
[03:27:27] <l0st1nsp4c3> i just shutdown my cnc pc
[03:27:27] <Tom_itx> reverse the g2 holes to g3 and see what happens
[03:27:38] <jdhNC> it's not very interesting, all the holes are 4 G2/G3
[03:27:45] <l0st1nsp4c3> to me if your machine is ok
[03:27:49] <Tom_itx> yeah, it's very basic code
[03:27:50] <l0st1nsp4c3> sounds like a gcode issue
[03:28:29] <l0st1nsp4c3> but then again only way to know is to measure backlash etc etc etc
[03:28:43] <Tom_itx> or your low end step rates are getting off
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[03:28:55] <l0st1nsp4c3> yup missing steps like I suggested before
[03:28:56] <Tom_itx> when it comes up on a quadrant change they change speed
[03:29:09] <Tom_itx> but it would show up in 4 places i would think
[03:29:15] <l0st1nsp4c3> indeed
[03:29:18] <l0st1nsp4c3> it should
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[03:29:26] <l0st1nsp4c3> thus why the spiral test is good
[03:29:33] <l0st1nsp4c3> on the outside it's all low speed
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[03:29:39] <l0st1nsp4c3> and inside it's getting faster and faster
[03:30:10] <l0st1nsp4c3> you can judge if the inside are good and outside bad you have issues at what speeds
[03:30:39] <Tom_itx> gnite
[03:30:45] <l0st1nsp4c3> gnite tom
[03:30:50] <l0st1nsp4c3> thanks for your time before
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[03:30:58] <l0st1nsp4c3> i need a push todo it lol but was afraid of results
[03:31:19] <jdhNC> I should have marked the piece so I knew what orientation it was in
[03:31:43] <Tom_itx> jdhNC, i'd just try reversing one of the holes
[03:31:48] <Tom_itx> leave the others g2
[03:32:03] <Tom_itx> see if it matters
[03:32:14] <Tom_itx> anyway, i'm outta here
[03:32:17] <jdhNC> yeah, I'll try that tomorrow
[03:32:31] <jdhNC> or re-CAM it and have it do one climb, one conventional
[03:36:41] <l0st1nsp4c3> yup
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[08:28:14] <Loetmichel> good morning
[08:54:59] <factor> Got my pic driver set to go forward backward and high and low speed for each stepper
[08:55:12] <factor> had to twist my brain around asm to get it done.
[08:55:26] <factor> now to make the other three axis drivers.
[09:06:00] <Loetmichel> *harhar* an appentice is a convenient thing... "Simon, go to the butcher and buy some Beef sausages in Bread roll"
[09:07:17] * Loetmichel feels a little bloated now, breakfeast done ;-)
[09:08:44] <factor> well with that done , going to sleep.
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[09:14:47] <Loetmichel> ;-)
[09:15:25] * Loetmichel wishes You good dreams
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[13:59:06] <FinboySlick> Anyone with recommendations for an edge-finder/touch probe. Main thing is that my minimal spindle speed of 8000rpm rules out mechanical edge finders, and I don't think I can put much bigger than 1/4" in the collet.
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[14:01:08] <cradek> minimum 8000 rpm!? you are right, that's not a good match for an edge finder...
[14:02:49] <jdhNC> will it go slower if you disconnect the power?
[14:04:08] <FinboySlick> jdhNC: Hehe. Yeah, but that sort of makes using an edge finder a tad complicated. Besides, I'd like to be able to feedback probe results to emc.
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[14:08:53] <cjdavis> hello. Does anybody have experience with using a wiimote as a pendant for EMC control? It looks like you can just map the wiimote to keyboard / mouse so this could be very easy.
[14:10:00] <cradek> FinboySlick: probes work great - there are lots of plans for homemade ones online if you have basic machining abilities
[14:10:46] <SWPadnos> cjdavis, if it's a USB input device, there are a couple of drivers you can use, and you can map buttons directly to certain EMC functions - you don't have to make it pretend to be a keyboard
[14:10:47] <cradek> cjdavis: that sounds cool but not at very practical for actual work
[14:11:22] <SWPadnos> possibly useful for some jogging and turning coolant on/off :)
[14:11:39] <cjdavis> swpadnos - thats the exact use - really only for testing / jogging
[14:11:48] <cradek> I didn't think about buttons - those could be useful
[14:12:15] <SWPadnos> there are two drivers (at least) hal_input and another one I don't remember exactly (hidinput?)
[14:12:35] <cjdavis> right - we're staying away from the idea of using the accelerometers to move anything, that sounds like a disaster-in-waiting
[14:12:52] <SWPadnos> you wouldn't have to wait long
[14:13:03] <cjdavis> lol exactly!
[14:13:43] <cjdavis> the wiimote is bluetooth, but there appear to be a number of drivers that will talk to it for mouse / keyboard event stuff
[14:15:28] <SWPadnos> if it hits the input event layer, and/or acts like a HID (which it probably does), then one of those HAL drivers will be what you want
[14:15:50] <cjdavis> but I'm note sure what ubuntu version are supported. heres one - https://launchpad.net/wiican/
[14:16:10] <cjdavis> ok, thanks SWPadnos - we'll plan on documenting it once it's working
[14:16:16] <SWPadnos> mapping it as keys means that you have to insure the proper window has focus. using HAL connections to halui means that the buttons act as though they were physically connected to certain functions
[14:16:51] <cjdavis> ahh, much better idea
[14:17:41] <SWPadnos> it looks like that program is based on something called cwiid, which is more likely what you would want to use
[14:17:51] <SWPadnos> err, I mean wminput
[14:18:11] <SWPadnos> http://abstrakraft.org/cwiid/wiki/wminput
[14:19:08] <cjdavis> ahh. wiican is just the pretty front end
[14:19:30] <SWPadnos> http://www.mattcutts.com/blog/linux-wiimote-via-bluetooth/
[14:19:51] <SWPadnos> google is your friend :)
[14:19:54] <SWPadnos> gotta run
[14:19:58] <SWPadnos> have fun with it
[14:20:03] <cjdavis> you are faster than me
[14:20:05] <cjdavis> thanks!
[14:26:49] <FinboySlick> cradek: Reading up on home-made probes. It's a lot easier than I expected.
[14:28:26] <jdhNC> anyone have webcam working for x/y probe?
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[14:39:57] <Connor> jdhNC: How would that work?
[14:40:36] <jdhNC> look for edges, find two along X, find two along Y
[14:40:55] <jdhNC> look for a circle, find the center
[14:41:29] <jdhNC> zoom and click for touch-off
[14:42:15] <Connor> would have to use OpenCV probably.
[14:42:48] <jdhNC> I had the cam/axis stuff working last winter, but that HD died and never got around to re-doing it
[14:42:59] <Connor> People doing pick-n-place machines would probably have more info on that.
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[14:44:09] <jdhNC> I did a system for a laser welder that did xyz positioning 10 years ago. I well-fixtured web-cam should be about as close
[14:45:32] <jdhNC> any word on your g0704?
[14:45:48] <Connor> Nothing yet, but they're not due till tommorrow.
[14:46:14] <jdhNC> has your CC been charged?
[14:46:16] <Connor> Then inspection, and then shipped.
[14:46:23] <Connor> Dunno yet.. I need to look.
[14:46:54] <jdhNC> they are supposed to give me last years price. I had another 5% coupon last year also
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[15:36:24] <Connor> jdhNC: Just checked... Credit Card not charged yet.. I suspect they want until the shipment has been received and the units have been inspected for QC
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[15:42:16] <Sansiba> hi @ll
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[16:24:12] <Connor> Interesting.. Grizzly lowered the price of the G0463 to match the G0704..
[16:26:46] <JT-Shop> FINALLY a single input Pause/Resume button that works and behaves as it should :)
[16:26:55] <Connor> Eh?
[16:26:58] <Connor> Where? :)
[16:28:02] <JT-Shop> I put it on the forum in Hal Examples
[16:28:19] <Connor> Link?
[16:28:38] <JT-Shop> http://www.linuxcnc.org/
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[16:29:48] <Connor> the 2nd one?
[16:29:50] <JT-Shop> dang that rooster tail of chips coming off that 0.50000" end mill is awesome
[16:29:59] <JT-Shop> first one
[16:30:44] <JT-Shop> the second one only works if your running or paused otherwise it gets out of sync
[16:31:17] <Connor> I made a few changes to the Axis python file a few days ago to expose units type, and cooridantes type to pins.. and added a input pin to toggle units back and forth as well.
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[16:32:18] <Connor> Cool, the pause/resume will be handle for the pendant project.
[16:32:23] <Connor> err. handy
[16:32:34] <Connor> I'll have a Play, Pause, and Stop.
[16:32:57] <Connor> Is pause suppose to turn off the spindle ?
[16:33:58] <JT-Shop> no
[16:34:10] <cpresser> Connor: afaik this is not intended
[16:34:35] <cpresser> i am still looking for a way to have the interpreter pause, stop the spindle and execute "G0 G53Z0"
[16:34:50] <Connor> I really want a better way to do tool changes.. I want the machine to pause and move the Z all the way up, and move the X/Y to a specific point so I can change easy.. then when I click the okay button, moves back to were it needs, turns spindle on, and continues.
[16:36:18] <cradek> Connor: you can do that with a TOOL_CHANGE location in addition to TOOL_CHANGE_QUILL_UP. documentation here: http://www.linuxcnc.org/docs/2.4/html/config_ini_config.html#sub:[EMCIO]-Section
[16:36:46] <cradek> er I meant TOOL_CHANGE_POSITION in addition to TOOL_CHANGE_QUILL_UP
[16:36:48] <Connor> okay. but no way to allow for manual jogging is there?
[16:37:17] <cradek> to jog you have to abort the program. after you are done you can restart it from the line after the tool change.
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[16:45:08] <ssi> how do you restart from a particular line?
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[16:46:20] <cradek> highlight it, right click, "run from here"
[16:46:24] <ssi> ooooo
[16:47:00] <cradek> it's particularly easy in the case you mention, because AXIS keeps the line highlighted where you aborted the program
[16:47:11] <cradek> so it's easy to find your restart point
[16:47:47] <Sansiba> is hear a germane EMC user?
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[16:49:56] <JT-Shop> Sansiba: there is a German section on the forum
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[16:50:31] <Sansiba> oh ok
[16:50:33] <cradek> Sansiba: we have a developer who speaks german but he is not currently here
[16:50:45] <Sansiba> sounds good
[16:50:51] <Sansiba> -o
[16:51:05] <cradek> or you could try english, you are doing fine
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[16:52:00] <IchGuckLive> Hi all from the sunny Germany
[16:52:10] <JT-Shop> there you go
[16:52:17] <ssi> that's convenient
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[17:04:46] <cpresser> Sansiba: any specific question?
[17:04:57] <Sansiba> yes
[17:05:14] * cpresser is a native german speaker. so is IchGuckLive
[17:05:31] <Sansiba> i have a linear scale with a 1 Vpp signal
[17:05:45] <IchGuckLive> cpresser: German here
[17:07:31] <jdhNC> If I had a mill, and a piece of aluminum 10x10 and I need a piece 2x3. How does one go about holding the large piece to cut out what is needed? Clamp it to the bed and hope it doesn't cut too deep? How do you keep the cut piece in place while the cut finishes?
[17:08:13] <JT-Shop> bandsaw
[17:08:29] <JT-Shop> how thick is it?
[17:08:58] <syyl_> put a piece of fibre board underneath the aluminum
[17:09:03] <cpresser> jdhNC: or clamp it down, mill two sides; move the clamps on the sides already done, mill the other sides
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[17:09:19] <syyl_> so you wont cut the table
[17:09:39] <cpresser> any sacrifice-layer will do :)
[17:09:44] <syyl_> yeah
[17:09:48] <syyl_> maybe a pizza :D
[17:10:25] <syyl_> but, for fast stock removal in aluminum, a bandsaw or even better a circular saw is perfect
[17:10:38] <Sansiba> can emc interpolate the 1Vss
[17:11:25] <jdhNC> it's a hypothetical cut... maybe I need to pocket something in the smaller piece also.
[17:11:42] <jdhNC> those all seem so un-CNC like things to do.
[17:12:06] <syyl_> then just clamp it down with something underneath it
[17:12:12] <syyl_> works :)
[17:12:19] <Loetmichel> re @ home
[17:13:47] <willburrrr2003> Good morning all :) , spent last night reading about the HAL. I think I am making progress understanding it... So I started looking int my lathe.hal file, noticing that there is a "wire" going from the output of axis for each stepper for amp enable, and landing on an input of the stepgen module for that stepper. Can I take and add another "wire" from the axis.0.ampenable pin straight to a paraport out pin, then put a classi
[17:14:55] <cpresser> jdhNC: you could also glue the aluminium to a sacrifice-surface. if the bond is strong enough, you can mill the complete outline without additional clamping. when the part is finished remove it from the sacrifice-layer and grind the residual glue away
[17:15:17] <syyl_> doublesided tape :)
[17:15:27] <syyl_> works fine
[17:15:36] <cpresser> depends on the force applied by the mill..
[17:15:39] <syyl_> yeah
[17:15:43] <syyl_> not for massive hogging :D
[17:16:30] <syyl_> but you will gain experience, how much cutting force you can apply, before the part goes *wush*
[17:16:32] <cpresser> the workpiece might 'creep' away. be carefull wil tape stuff, if accuracy is important
[17:16:55] <syyl_> jep, creeping is a problem with small parts :\
[17:20:56] <cpresser> i usually use double-sided-tape and clamps simualtaneously
[17:22:03] <syyl_> i do a lot work on polycarbonate, thin aluminum sheet etc at work, there i use tape only
[17:22:05] <Connor> cradek: Wouldn't you need to go back a few lines so it could move the machine back to where it was before the tool change ?
[17:22:33] * Loetmichel had made experiments with rosin and a heated plate
[17:22:45] <syyl_> but in steel, of course with additional clamps
[17:22:56] <syyl_> or glue it down with CA glue..
[17:23:23] <cpresser> syyl_: sounds like you are working in my shop :)
[17:23:46] <Loetmichel> IF you are not heating the workpiece much you can simple put the stock material on the plate, het it till melting point of the rosin, press the part in place an then let it coll
[17:23:49] <Loetmichel> cool
[17:24:04] <Loetmichel> mill it, heat again, remove the milled parts
[17:24:49] <Loetmichel> rosin is a surprisingly strong bond for metals/plastics, but can be washed off completly with Isopropanol alcohol ;-)
[17:25:00] <syyl_> just a prototyping shop, cpresser :D
[17:25:50] <Loetmichel> ca glue is also strong, but not easyly removed ;-)
[17:25:55] <Loetmichel> and very brittle
[17:26:06] <Sansiba> m
[17:26:10] <Loetmichel> rosin can take a hit or two without breaking off
[17:26:12] <Sansiba> bin ich hier im falschen forum
[17:26:44] <Loetmichel> Sansiba: du bist in keinem forum, du bist in einem irc-channel, und der is auf englisch!
[17:29:04] <cpresser> Loetmichel: sounds like a neat trick. i will try this with my smd-soldering-plate :)
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[17:32:19] <Loetmichel> cpresser: and the good old vacuum plate is alway an option for sheet material ;-)
[17:32:33] <cpresser> cant afford one :/
[17:32:43] <Loetmichel> build it yourself
[17:32:49] <Loetmichel> isnt complicated
[17:33:03] <IchGuckLive> Loetmichel: my Router is milliing the SMD bord right now 15000 lines
[17:33:20] <Loetmichel> http://www.cyrom.org/palbum/main.php?g2_itemId=4038
[17:33:24] <Loetmichel> http://www.cyrom.org/palbum/main.php?g2_itemId=4035
[17:33:38] <Loetmichel> just some scrap woof and a little bit of time
[17:34:01] <Loetmichel> and a vacuum cleaner with some tubes of course
[17:35:13] <cpresser> hmm.. doesnt sound to complicated.
[17:35:35] <cpresser> but i am already afraid of the noise the vaccum will generate
[17:36:31] <Loetmichel> http://www.pollin.de/shop/dt/NDg2OTg0OTk-/Werkstatt/Werkstattbedarf/Sonstiges/Gehoerschutz_Stoepsel.html
[17:36:42] <IchGuckLive> Loetmichel: the pic 218 is this L297 from Mechapro ?
[17:36:45] <Loetmichel> resolves THAT problem ;-)
[17:37:01] <Loetmichel> IchGuckLive: hmm?
[17:37:12] <IchGuckLive> your picture
[17:37:26] <IchGuckLive> http://www.cyrom.org/palbum/main.php?g2_itemId=4017
[17:38:23] <Loetmichel> ah!
[17:38:38] <Loetmichel> pic218?
[17:39:03] <Loetmichel> that is a complete 3 axis Stepper driver with Powersupply
[17:39:13] <tom3p> Sansiba, 1vpp sounds like heidenhain, an analog sinus output, not digital, requires an EXE box from Heid or some other clever electronics to interpolate microns from angle of wave.
[17:39:19] <Loetmichel> and yes, its the mEchapro 2dstep
[17:40:42] <Sansiba> tom3p: but the EXE box too slow and can not resolve high enough
[17:41:47] <tom3p> is it a heidenhain scale? is yes, then heidenhain has a solution that is as fast as heidenhain says is possible
[17:42:20] <tom3p> sorry that Heidenahin is expensive, but it is not good idea to exceed their engineers limits
[17:43:37] <Loetmichel> why?
[17:43:38] <Sansiba> it's not heidenhain it' sony
[17:43:51] <Loetmichel> limits are made to break!
[17:43:52] <Loetmichel> ;-)
[17:44:06] <IchGuckLive> Loetmichel: agree
[17:44:11] <tom3p> its sony? what does sony have as a solution?
[17:44:21] <IchGuckLive> so my pcb is finished got to change the tool by
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[17:45:30] <Sansiba> tom3p: I think it is similar
[17:46:48] <tom3p> "Renishaw’s TONiC™ Dual Output (DOP) encoder interface provides simultaneous digital quadrature and analogue 1 Vpp signals via a 26-way D-type connector"
[17:47:02] <tom3p> http://www.renishaw.com/en/new-dual-output-incremental-encoder-interface-simultaneously-provides-analogue-and-digital-signals--11457
[17:47:42] <tom3p> and jon elson's resolver interface is also similar ( sinus to angle to delta position )
[17:48:26] <tom3p> http://pico-systems.com/resolver.html
[17:48:42] <Sansiba> may bee is this hear posible: http://www.cnc-ready.at/index.php?page=shop.product_details&flypage=flypage.tpl&product_id=46&category_id=6&option=com_virtuemart&Itemid=171&lang=de&vmcchk=1&Itemid=171
[17:50:01] <tom3p> looks good, is 1 to 16x ok for you?
[17:50:32] <tom3p> and goog link ! thanks ( include 11uA converter too :)
[17:50:36] <tom3p> good
[17:52:27] <tom3p> wow the example is a Heidenhain LS306! thats what i needed :)))
[17:53:05] <Sansiba> then you must buy an DC 30 or 40 then you get 3
[17:53:23] <Sansiba> i think the problem is the 3,2 MHz
[17:53:32] <Sansiba> may bee the 16x too
[17:53:33] <anonimasu> the ls306 arent expensive if you buy used
[17:53:52] <anonimasu> tho the new endat scales are whta they recommend with converter for old machines
[17:53:58] <anonimasu> (they allow higher speed aldo)
[17:53:59] <anonimasu> also
[17:54:12] <anonimasu> (I will interface some encoders with a very similiar interface to emc
[17:54:25] <anonimasu> in the next few weeks(with the mesa hardware)
[17:54:41] <Sansiba> and the price 89.00 is expensive too
[17:54:48] <anonimasu> pff.
[17:54:51] <anonimasu> you are tripping
[17:54:56] <anonimasu> buy them
[17:55:25] <tom3p> hahha try buyingt the EXE box for 90E
[17:55:41] <anonimasu> well, that's not really extremely expensive either
[17:55:49] <anonimasu> tho, if you have endat the interface seems pretty simple
[17:56:30] <anonimasu> http://ah.io23.net/ul/files/servos01.jpg <- the things of mine with that kind of encoders
[17:57:06] <tom3p> what is endat? thats come up here the last month... (googlin...)
[17:57:38] <anonimasu> it's heidenhains rs485 protocol
[17:57:44] <anonimasu> http://www.heidenhain.se/fileadmin/pdb/media/img/383_942-24.pdf
[17:57:53] <syyl_> servo, coke and a mitutoyo caliper, nice picture :)
[17:58:35] <anonimasu> im in shock at the size of them
[17:58:37] <anonimasu> 1.9kw
[17:59:18] <anonimasu> I expected them to be like 300x300x400mm
[17:59:22] <syyl_> yeah
[17:59:41] <syyl_> the servos of our deckel fp2nc are double the size
[17:59:41] <tom3p> anonimasu, ok, like the encoder int he HR330 handwheel, outputs serial packets rather than ABZ, cool, thatd just be an interpretation problem
[18:00:02] <syyl_> but no 1,9kW :)
[18:00:08] <anonimasu> my big mill had 1.3kw servos and they are 3 times the size and alot less torque
[18:00:11] <anonimasu> has
[18:00:15] <anonimasu> or 1.5 i cant remember
[18:00:20] <anonimasu> anyway they are like houses compared
[18:00:39] <anonimasu> I got 9 of them off a auction
[18:00:42] <syyl_> a friend has a maho700, the x axis servos are 2kW
[18:00:54] <syyl_> and i think, i may have problems to handle them :D
[18:01:38] <anonimasu> (this is cont power) O_o
[18:01:42] <anonimasu> not peak
[18:01:51] <anonimasu> I dont understand how that's possible
[18:03:26] <anonimasu> like 2.9kw peak
[18:03:38] <anonimasu> and they are the size of my small dc servos..
[18:04:37] <anonimasu> at 200w....
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[18:05:31] <anonimasu> I dont know where they hide that power
[18:05:32] <anonimasu> :)
[18:05:57] <syyl_> black hole?
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[18:06:05] <anonimasu> anyway endat seems not so complex, im getting a rs485 adapter tomorrow so we will see if I manage to communicate with them
[18:06:22] <syyl_> or dark matter
[18:06:55] <tom3p> the closer the engineers get to becoming salesmen, the better the numbers appear :)
[18:06:55] <anonimasu> then a few weeks to see if the 7i43 can be made to talk with them :)
[18:07:33] <anonimasu> my small lathe with direct drive should be able to do 25m/min... -_-
[18:07:35] <anonimasu> scary fast
[18:07:46] <syyl_> if it crashes
[18:07:50] <syyl_> just dive away :D
[18:07:55] <tom3p> anonimasu, the endat looks great, is it fast enuf ( doh i spose so ) and is it realtime ( doh doh i spose so )
[18:08:28] <anonimasu> well, if it can be ran as encoder interface on the mesa board it should be fast enough
[18:09:05] <anonimasu> they claim 16mhz of clock
[18:09:24] <syyl_> still waiting for my 5i20 card :(
[18:10:06] <anonimasu> 0.2+0.01*(cable length in meters)s
[18:11:34] <anonimasu> (they also have sine/cos) outputs
[18:11:38] <anonimasu> for the endat encoders
[18:12:29] <jdhNC> I got my mesanet order... wonder wtf I ordered
[18:13:11] <anonimasu> I guess we'll see
[18:13:14] <anonimasu> :)
[18:13:22] <anonimasu> if the mesa stuff can handle that ^_^
[18:13:31] <anonimasu> (wether I can get that working)=
[18:15:21] <tom3p> anonimasu, great, gotta run
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[18:17:03] <anonimasu> heh, the sincos output of the endat stuff can be squared to give ttl...
[18:17:26] <jdhNC> can you use a resolver interface for it?
[18:18:15] <anonimasu> it looks like it cant
[18:18:18] <anonimasu> err you cant
[18:18:28] <anonimasu> simple squaring circuit seems enough
[18:18:53] <anonimasu> to get a/b channel ttl
[18:19:13] <Tom_itx> anonimasu, which mesa board are you hookin em to?
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[18:28:42] <FinboySlick> To less clueless people than I... 0.47" t-slots = M10 T nuts, right?
[18:30:10] <syyl_> yes
[18:30:24] <syyl_> but a metric t-nut will not fit
[18:32:25] <FinboySlick> The clamp set I'm looking at says 11.64 table slot width, 0.47" is 11.938mm.
[18:32:44] <syyl_> oh
[18:33:17] <syyl_> *runs away*
[18:33:34] <FinboySlick> I was more curious in terms of other factors I might have not considered for the clamp set.
[18:37:51] <FinboySlick> I'm planning to finishing setting up the mill this weekend so now I'm looking for tooling. Basics like a good vise, step block clamp set. I'll see if budget might also fit a decent dial indicator. I have a little Starret kit but I could probably use a good magnetic holder and rods, etc.
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[18:40:58] <FinboySlick> Well, not too good a vise... Noobness means I'll likely gouge it at some point ;)
[18:41:48] <syyl_> what kind of mill?
[18:42:02] <FinboySlick> http://www.syilamerica.com/machine_x5speed.php?view=ts
[18:42:21] <syyl_> uh, nice
[18:42:38] <syyl_> i would go for a screwless grinding vice
[18:42:49] <syyl_> the most precise vise for the least of money :D
[18:43:02] <FinboySlick> Actually, I have a little one of those that came with my Sherline.
[18:43:22] <syyl_> they are a bit of a pain in the ... to use
[18:43:26] <FinboySlick> I do that... Every decade I go and shell out a few grands on a mill and forget to play with it.
[18:43:28] <syyl_> but i like them :D
[18:44:06] <FinboySlick> One of the little projects is to use the big one to CNC my little sherline up.
[18:44:23] <FinboySlick> Make stepper motor holds, etc.
[18:44:54] <jdhNC> you bought a syil X5?
[18:44:57] <FinboySlick> They're simple parts so great to learn, and I get another CNC once I'm done.
[18:44:58] <FinboySlick> Yeah.
[18:45:18] <jdhNC> cool, I always wondered what the target market was for those :)
[18:45:30] <FinboySlick> Idiots with too much money? ;)
[18:45:48] <syyl_> i could even see a small prototyping shop
[18:45:54] <jdhNC> no, that's what boats are for
[18:46:03] <syyl_> that has need for small cnc machines
[18:46:18] <FinboySlick> The X5 really has some great touches.
[18:46:31] <syyl_> and linear bearings
[18:46:42] <FinboySlick> I was impressed to find a continuous lubrication system for the bearings. Electric pump and all.
[18:46:48] <syyl_> so you can do long term 3d milling without worrying about the ways
[18:47:30] <FinboySlick> As I was saying a few weeks back though, it's a little bit heavier than my Sherline ;)
[18:47:53] <jdhNC> if I sold my boat, I couldget a Syil or a Tormach
[18:48:21] <anonimasu> Tom_itx: the same as you have for the encoder input
[18:48:25] <FinboySlick> Tormach really tempted me too but I'm glad I didn't get one. I'm struggling enough as it is to find a spot for the X5.
[18:48:28] <JT-Shop> wow that Syil cost more than my VMC
[18:49:07] <JT-Shop> how do you tap at 8000 rpm?
[18:49:16] <jdhNC> very quickly
[18:49:24] <JT-Shop> lol
[18:49:42] <jdhNC> anyone have a M16x1 tap I could borrow.
[18:49:57] <JT-Shop> yea I have one
[18:50:09] <FinboySlick> I have no clue either. I could imagine some sort of endmill with a taper and CNCing an helix in a pre-made bore.
[18:50:15] <JT-Shop> for proximity switches
[18:50:26] <jdhNC> not a 16x1.5?
[18:50:28] <anonimasu> hm..
[18:50:36] <anonimasu> servo controlled spindle
[18:50:39] <JT-Shop> heck that was from memory
[18:50:46] <anonimasu> or the other axes fast enough to sync
[18:50:55] <anonimasu> check out the brother cnc's on youtube
[18:55:22] <JT-Shop> lol it is a 12 and 18 mm tap for the proxes
[18:58:24] <anonimasu> PCW: are you there?
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[19:01:58] <anonimasu> anyone has a idea where to get a 400v 6.3A transformer?
[19:03:10] <cradek> what country?
[19:03:19] <anonimasu> sweden
[19:03:33] <cradek> not me
[19:03:41] <anonimasu> actually I need 12.6A
[19:03:51] <cradek> also, you're underspecified there
[19:04:12] <cradek> do you mean 400v out or in? what's the other? 1 phase or 3 phase?
[19:04:16] <anonimasu> out I mean
[19:04:28] <archivist> a lot of transformer winding companies have shut down
[19:04:28] <cradek> what's in?
[19:04:29] <anonimasu> I need 400V dc 12.6A
[19:05:04] <cradek> what's the input? 1 or 3 phase?
[19:05:10] <archivist> use a switchmode power supply
[19:05:13] <anonimasu> dosent matter
[19:05:21] <anonimasu> I have both
[19:05:41] <cradek> 5kVA at 3phase is not a huge transformer, at 1phase it is pretty big
[19:06:10] <cradek> what voltage is the 3phase power you have available?
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[19:10:12] <anonimasu> 400V
[19:10:43] <cradek> you've got 400v 3phase and you need 400v dc?
[19:10:54] <anonimasu> actually
[19:10:59] <anonimasu> 380V
[19:11:13] <anonimasu> mhm
[19:11:16] <anonimasu> so, diodes I need.
[19:11:20] <anonimasu> (being stupid)
[19:11:24] <cradek> er no
[19:11:36] <cradek> do you need isolation?
[19:11:50] <anonimasu> I dont know how that goes for servo drives
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[19:11:57] <cradek> diodes will give you 560vdc
[19:12:21] <anonimasu> then I do need a transformer
[19:12:42] <cradek> maybe you should be looking for 400->240v 3ph
[19:12:50] <cradek> at 5+ kVA
[19:13:20] <anonimasu> I seem to need one transformer per axis
[19:13:35] <archivist> legs are 240 to neutral are you sure of that 560?
[19:14:08] <cradek> what the hell machine has servo drives needing 400V at 5kVA each?
[19:14:14] <anonimasu> I need a supply to power the 5i20
[19:14:21] <anonimasu> my small lathe
[19:14:37] <anonimasu> I have 1.9kw servos that's tiny.. :)
[19:14:38] <archivist> peak and continuous are not the same
[19:14:41] <cradek> are you sure you don't have some numbers wrong?
[19:14:44] <anonimasu> that's continous
[19:14:47] <anonimasu> peak is 3kw
[19:15:04] <anonimasu> 460V @ 6.4A
[19:15:09] <anonimasu> 6.3
[19:15:28] * anonimasu sighs numbers mess
[19:15:51] <anonimasu> 460v * 6.4 peak
[19:16:17] <archivist> average will be FAR lower
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[19:16:30] <anonimasu> is it stupid to run unisolated and just use 220v and 5A per drive
[19:16:34] <anonimasu> and just rectify it
[19:16:44] <cradek> a certain 3ph 460->266v 7.5 kVA I found is > 100lb
[19:17:06] <anonimasu> top speed will be limited but that's probably not something that matters
[19:17:32] <anonimasu> since at 2000rpm i'll still have 10m/min rapids
[19:17:52] <cradek> a transformer based supply can be rated for the continuous, and will handle peak loads pretty well
[19:18:11] <cradek> I think you're wildly overestimating the power you need
[19:18:15] <anonimasu> 230v rectified will be 320v..
[19:18:24] <anonimasu> probably, my lathe had steppers before
[19:18:37] <anonimasu> it's just that I have the servos already alot, and with that I dont need to mess with gearing and stuff :)
[19:20:15] <anonimasu> seems like rectified normal power outlet will work fine
[19:20:33] <anonimasu> atleast the power rating and the components are cheap enough for that
[19:20:34] <ssi> I feel like switchmode will be more suited to what you're trying to do
[19:21:07] <anonimasu> that is to power a dc input servo drive...
[19:21:43] <anonimasu> the big question is this isolation and stuff
[19:21:51] <anonimasu> and who makes that kind of power supplies
[19:21:54] <anonimasu> here
[19:22:33] <ssi> http://sorosonic.en.made-in-china.com/product/DoVmuFalabrt/China-Switching-Power-Supply-4000W-400V-10A-Single-Output-.html
[19:22:41] <ssi> 380v in
[19:22:58] <anonimasu> and how many million euros each?
[19:23:06] <ssi> roughly "contact now"
[19:23:23] <ssi> point is, they exist
[19:23:35] <anonimasu> yeah, but what advantages do i gain?
[19:23:45] <archivist> isolation and smaller
[19:23:46] <ssi> it'll be a thousand times smaller and lighter
[19:23:59] <ssi> probably more efficient
[19:24:22] <anonimasu> well, if we say that is what I will do for the final setup..
[19:24:37] <anonimasu> will my drives die or something if I run off normal power and a rectifier to test them?
[19:25:20] <archivist> if you dont understand the wiring and grounding....
[19:25:21] <ssi> probably not, so long as you know what you're doing regarding ground references and smoothing
[19:25:45] <ssi> without isolation the grounds get pretty odd
[19:26:22] <anonimasu> for now spinning a motor on a bench would be good enough and then getting a power supply when I've confirmed it works properly
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[19:30:44] <anonimasu> like after testing out the drives and getting the encoders properly wired
[19:32:20] <anonimasu> :)
[19:32:26] <anonimasu> there's no way I need all the power of the motors
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[19:40:00] <jtektool> anybody got the code to add index channel to encoder??
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[19:47:59] <JT-Shop> how is this possible? http://www.linuxcnc.org/component/option,com_kunena/Itemid,20/func,view/catid,16/id,8033/limit,6/limitstart,18/lang,english/#9935
[19:49:34] <awallin> JT-Shop: nobody can say unless you show the INI and HAL files used
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[19:56:57] <JT-Shop> awallin: what could make the DRO show double the commanded move length?
[19:57:20] <JT-Shop> and the commanded move is correct???
[19:57:29] <JT-Shop> that doesn't make any sense to me
[19:59:06] <awallin> no, so pastebin the INI and HAL :)
[19:59:26] <JT-Shop> working on that
[20:01:12] <cradek> JT-Shop: do you mean dtg?
[20:05:38] <JT-Shop> I "assume" he means the DRO
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[20:11:15] <archivist> but he also said "except everything comes out half-size"
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[20:13:03] <JT-Shop> that part confuses me too
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[20:55:16] <JT-Shop> hmmm on my hardinge 2.5 I put a mdi command in the ini file but the pin does not show up
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[20:56:48] <Tom_itx> JT-Shop, how's it lookin for storms?
[20:56:56] <Tom_itx> movin in here
[20:58:22] <Tom_itx> i may reconsider an lcd on my pendant
[20:59:00] <Tom_itx> http://tom-itx.dyndns.org:81/~webpage/temp/led/7segtop.jpg
[20:59:05] <Tom_itx> i forgot i had a couple of those
[20:59:15] <Tom_itx> smaller than the lcd
[21:02:16] <JT-Shop> some rain but not bad I think
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[21:25:30] <JT-Shop> http://www.linuxcnc.org/component/option,com_kunena/Itemid,20/func,view/catid,16/id,8033/limit,6/limitstart,18/lang,english/#9937
[21:27:09] <JT-Shop> awallin: ^ the ini file
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[21:34:22] <JT-Shop> anyone have MDI_COMMAND in their ini with 2.5?
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[21:34:46] <Tom_itx> can i apt get 2.5?
[21:38:04] <JT-Shop> I don't know but you can get a deb, but I can't find the link
[21:40:46] <Tom_itx> any idea what 'X PARK' pin would be for?
[21:40:49] <Tom_itx> y z also
[21:41:00] <Tom_itx> i got step dir and park
[21:41:08] <Tom_itx> i may just ignore it
[21:41:46] <Tom_itx> gonna see if this box'll work with the mesa card
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[22:11:23] <Connor> Opinions Requested. I'm going to add a plug for my pendant to plug into.. and plan on using the same pendant with another machine and just move it as needed..
[22:11:44] <Connor> I'm trying to figure out placement of the jack on my Router. (which has a enclosure)..
[22:12:14] <Connor> I have a nice water proof RJ45 jack. but, when fully assembled.. it sticks out allot..
[22:13:01] <Connor> we're talking 2 1/4 inches.
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[22:13:41] <Connor> Now, I can use it just the bulkhead part of it without the waterproof stuff.. My question is.. were would be good placement on my enclosure...
[22:13:52] <Connor> I don't want to run into and break it...
[22:14:00] <Connor> but, I want it to be easy to undo.
[22:14:50] <Connor> http://www.ivdc.com/cnc/cnc8.jpg good picture of the machine front on view.
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[22:18:19] <michaeldexter> Any developers home?
[22:19:03] <JT-Shop> I'd bet most of them are home
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[22:22:43] <michaeldexter> Perhaps you can identify which POSIX realtime extensions must be supported when porting EMC2?
[22:23:03] <JT-Shop> not me :)
[22:23:58] <JT-Shop> Sweet! my tool change buttons work :)
[22:24:02] <michaeldexter> Anyone else? :)
[22:25:53] <JT-Shop> you might try the mailing list, it's luck of the draw if you catch someone here that can answer questions like that
[22:26:13] <michaeldexter> Congrats on the buttons! :)
[22:26:23] <Tom_itx> where's a good source for those 'industrial' momentary buttons?
[22:26:30] <JT-Shop> thanks, now I can change tools with one button
[22:26:39] <JT-Shop> Allen Bradley 800's
[22:27:06] <JT-Shop> or come by my shop and pick some out of the scavenge box
[22:27:13] <Tom_itx> ok
[22:27:17] <Tom_itx> i'm making my list
[22:27:43] <JT-Shop> automation direct has some good buttons a lot cheaper than AB800's
[22:28:35] <Tom_itx> do they have small estops as well?
[22:28:48] <JT-Shop> yes 22mm ones
[22:28:59] <Jymmm> look on ebay too
[22:29:16] <Jymmm> I found some good pricing, especially for 24V LED based stuff
[22:29:28] <JT-Shop> the AB 800's are 30mm
[22:29:57] <Tom_itx> i found a 16mm estop
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[22:30:09] * JT-Shop goes to attack the OSB
[22:30:18] <Tom_itx> but he's out of em
[22:30:31] <Jymmm> Tom_itx: http://shop.ebay.com/i.html?_nkw=emergency+stop&_armrs=1&_from=&_ipg=
[22:30:45] <Jymmm> Tom_itx: they spell it out, instead of 'estop'
[22:31:51] <Jymmm> Five pieces for $7????????????????? http://cgi.ebay.com/5PCS-10A-CNC-Emergency-Stop-Mushroom-Pushbutton-Switch-/270624909841?pt=LH_DefaultDomain_0&hash=item3f02806a11
[22:33:14] <Tom_itx> sell the other 4 on ebay for $6.95
[22:33:27] <Jymmm> no kidding
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[22:48:57] <Connor> JT-Shop: Share the knowledge on the tool change button! :)
[22:53:12] <JT-Shop> it's just a MDI command added to the ini file and ran with a pyvcp button
[22:54:23] <JT-Shop> http://www.linuxcnc.org/docview/html/gui_halui.html#sub:MDI
[23:03:10] <Connor> what's the G-Code your using ?
[23:03:32] <Connor> and is this for manual change, or tool changer ?
[23:03:35] -!- Tom_L [Tom_L!~Tl@unaffiliated/toml/x-013812] has joined #emc
[23:07:09] <JT-Shop> my turret
[23:07:30] <JT-Shop> normal g code for tool change Tn M6 G43
[23:08:16] <Tom_L> does emc read T 'n' as the current selected tool?
[23:19:47] <JT-Shop> no
[23:20:02] <JT-Shop> n for the tool number
[23:20:05] <Tom_itx> i guess you would want the next one in the queue
[23:20:13] <JT-Shop> T1 M6 G43 for tool 1
[23:20:18] <Tom_itx> i know
[23:20:32] <Tom_itx> but with your button how do you know what tool you want?
[23:20:57] <JT-Shop> they are marked T1, T2 etc
[23:21:06] <JT-Shop> it's an 8 station turret
[23:21:21] <Tom_itx> so what happens when you push the button?
[23:21:35] <JT-Shop> EMC changes the tool
[23:21:40] <Tom_itx> right
[23:21:48] <Tom_itx> how does it know what tool you want?
[23:22:15] <JT-Shop> I have 8 MDI commands in my ini one for each tool
[23:22:24] <JT-Shop> http://www.linuxcnc.org/docview/html/gui_halui.html#sub:MDI
[23:22:40] <Tom_itx> i looked at that
[23:22:55] <Tom_itx> does it execute all 8 or is there a dropdown menu selection or what?
[23:23:05] <JT-Shop> read the link
[23:23:25] <JT-Shop> When halui starts it will read the MDI_COMMAND fields in the ini, and export pins from 00 to the number of MDI_COMMAND's found in the ini up to a maximum of 64 commands.
[23:23:44] <Tom_itx> i saw that too
[23:24:15] <JT-Shop> I don't know what part your not understanding atm
[23:24:30] <Tom_itx> you have 8 tool commands
[23:24:37] <Tom_itx> do all 8 execute?
[23:24:46] <JT-Shop> I have 8 buttons one for each tool and each on executes a different mdi command
[23:24:52] <Tom_itx> ok
[23:25:05] <Tom_itx> that's alot of buttons to keep track of
[23:25:20] <Tom_itx> that's the part i didn't get at first
[23:25:24] <JT-Shop> sorry I'm thinking about the last piece of OSB I fsked up
[23:25:25] <Tom_itx> i thought you just had one button
[23:25:28] <JT-Shop> not really
[23:25:38] <JT-Shop> they line up nice and neat
[23:25:52] <Tom_itx> better a rotary switch and one button
[23:25:58] <JT-Shop> nope
[23:26:13] <JT-Shop> much easier with 8 pyvcp buttons on my screen
[23:26:31] <Tom_itx> no physical buttons?
[23:26:53] <Tom_itx> so you have a touch pannel on your screen then
[23:26:54] <JT-Shop> nope
[23:26:55] <Tom_itx> gocha
[23:26:57] <JT-Shop> nope
[23:27:03] <Tom_itx> mices
[23:27:12] <JT-Shop> yep mices
[23:27:21] <JT-Shop> well just the one
[23:27:22] <Tom_itx> touch pannel would be much cooler
[23:27:39] <JT-Shop> nobody sees it anyway
[23:28:19] <Tom_itx> i got one but the lcd is cracked
[23:28:28] <Tom_itx> touch part is new
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[23:30:49] <john__> Tom_itx: http://imagebin.org/154123
[23:31:04] <JT-Shop> ^^ screenshot
[23:31:18] john__ is now known as JT-Hardinge
[23:31:19] <Tom_itx> well it makes more sense now
[23:31:29] <Tom_itx> i thought you had one physical button
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[23:32:25] <JT-Shop> I was setting up for a job and it hit me like a bolt of lightening that I needed that to twiddle the turret
[23:33:12] <Tom_itx> mostly for setting your tool length offsets?
[23:33:53] <Tom_itx> rotary changer?
[23:34:05] <Tom_itx> does it take the shortest path?
[23:36:40] <JT-Shop> it's an air motor on the turret
[23:37:13] <JT-Shop> I think I have a bluetube vid
[23:38:07] <Tom_itx> those little fadal changers are gawd awful slow
[23:38:40] <JT-Shop> http://www.youtube.com/watch?v=isTD6bDF_LI
[23:39:05] <JT-Shop> my BP Discovery 308 is measured in minutes to change
[23:39:19] <Tom_itx> heh
[23:39:27] <Tom_itx> that's pretty respectable on the lathe
[23:39:31] <JT-Shop> this vid I'm making parts to restore the Hardinge
[23:41:26] <Tom_itx> why did the collet open on the cutoff?
[23:42:08] <Tom_itx> you used the cutoff to pull the rod out for the next part?
[23:42:15] <Tom_itx> pfft
[23:47:50] <Jymmm> GAWD THAT WAS GOOD!!!
[23:48:44] <Jymmm> You just can't beat a rack of baby backs!
[23:50:03] <Tom_itx> is sprinkler system wire solid or stranded?
[23:50:18] <Tom_itx> i need to find some 6 or 8 cond
[23:50:18] <Jymmm> 24ga solid
[23:50:23] <Tom_itx> crap
[23:50:36] <Jymmm> wait, fire or lawn?
[23:50:51] <Tom_itx> something available
[23:51:06] <Jymmm> HD has some
[23:51:14] <Tom_itx> pretty sure lawn is solid
[23:51:35] <Tom_itx> ok, thermostat wire
[23:51:37] <Jymmm> HD has shielded pairs even
[23:52:13] <Jymmm> No, thermostat is solid too
[23:52:30] <Jymmm> look for audio
[23:53:59] <JT-Shop> what did I miss
[23:54:07] <Tom_itx> all of it
[23:54:12] <JT-Shop> crap
[23:54:12] <Jymmm> baby backs!
[23:54:25] <Tom_itx> rounds of beer and baby backs
[23:54:38] <JT-Shop> no, homemade pizza
[23:54:44] <Jymmm> Tom_itx: http://www.homedepot.com/h_d1/N-5yc1v/R-202316269/h_d2/ProductDisplay?langId=-1&storeId=10051&catalogId=10053
[23:54:44] <JT-Shop> and vino
[23:54:54] <Jymmm> 22/4 stranded
[23:55:07] <JT-Shop> Tom_itx: you liked the bar feeder?
[23:55:22] <Tom_itx> try that with 1.5" steel bar
[23:55:48] <JT-Shop> ah no
[23:56:06] <Tom_itx> good trick though for delrin
[23:56:21] <JT-Shop> max is 1 3/8 on the CHNC
[23:56:54] <Tom_itx> i ran a row of old new brittan gridleys years ago
[23:57:00] <Tom_itx> 6 and 8 spindle
[23:57:31] <Tom_itx> you've probably seen some of the parts too
[23:58:08] <Tom_itx> made all the larger lantern fittings for coleman for ~5 yrs
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[23:58:12] <JT-Shop> on a plane?
[23:58:20] <Tom_itx> brass filler cap etc
[23:58:23] <JT-Shop> oh cool
[23:58:24] <Tom_itx> by the ton
[23:58:30] <JT-Shop> the real stuff
[23:58:40] <Tom_itx> the pump base
[23:58:47] <Tom_itx> the check valve for the pump
[23:59:04] <JT-Shop> live tooling?
[23:59:10] <Tom_itx> the smaller stuff was run on brown & sharp and some other smaller machines
[23:59:14] <Tom_itx> live?
[23:59:17] <Tom_itx> form tools?
[23:59:18] <Tom_itx> yes
[23:59:27] <JT-Shop> http://www.machinesales.com/advert/aWQ9MjY3NA==
[23:59:50] <JT-Shop> can't see much there
[23:59:52] <Tom_itx> that looks like a newer one
[23:59:58] <Tom_itx> maybe a 51