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[00:22:26] <Aero-Tec> LOL
[00:22:30] <Aero-Tec> that is a good one
[00:22:51] <Aero-Tec> why all the messages?
[00:23:05] <Aero-Tec> guys coming and going
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[00:58:14] <jp__> aft
[00:58:41] <jp__> well guess more like evening
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[01:51:04] <nathanstenzel> hi
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[01:52:00] <nathanstenzel> anyone here ever make a CNC mill?
[01:52:14] <FinboySlick> nathanstenzel: Quite a few actually.
[01:52:25] <FinboySlick> Well, I didn't. I mean quite a few here.
[01:52:56] <Valen> we are making one from the rails up and have converted one
[01:52:57] <nathanstenzel> hmmmm....I wonder how many of them are awake
[01:54:29] <nathanstenzel> what is your opinion on 16 tpi threaded rod for a part for the linear movement parts?
[01:54:41] <Valen> depends what you want to do
[01:55:43] <nathanstenzel> milling of mainly wood and some 3d printing
[01:55:58] <Valen> everything is a trade off
[01:56:28] <skunkworks__> spring loaded plastic nuts...
[01:56:31] <Valen> you need to worry about straightness/wobble, backlash, variance in TPI
[01:56:36] <nathanstenzel> I know the two have totally different needs
[01:56:46] <jdh> and be pretty slow, or get some really speedy motor
[01:57:00] <Valen> how big?
[01:57:38] <nathanstenzel> the rods are 3 foot and 6 foot. 2 of each
[01:57:47] <Valen> that is very long
[01:57:51] <Valen> what dia?
[01:58:07] <nathanstenzel> one sec while I fetch a small one
[01:58:30] * jdh guesses.... 3/8
[01:58:40] <jdh> imagine that thing whipping at 6ft!
[01:58:43] <Valen> wow
[01:58:44] <nathanstenzel> yes, jdh
[01:58:47] <Valen> yeah lol stand back
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[01:59:09] <Valen> i mean it'd probably work, but your feed rate is going to be like 100mm/minute
[01:59:11] <Valen> or less
[01:59:31] <Valen> and the flex is going to be *massive*
[01:59:32] <nathanstenzel> mm vs inch?
[01:59:47] <Valen> /25.4 for inches
[02:00:21] <jdh> 3/8-16 might be ok for 1ft? maybe 2.
[02:03:15] <Valen> 6ft I'd look at either a 25mm (1") ball screw with the good end fixings or doing something else, rack and pinion or belt or something
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[02:04:03] <jp__> If seen people use 5/8 in a 6 foot length and it whips like a mother @#$$
[02:04:15] <jp__> I've
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[02:04:40] <Tom_garage> for what?
[02:04:45] <Tom_garage> damn irc
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[02:05:24] <nathanstenzel> hmmmm......100rpm for 16tpi is 6.25 in per minute...
[02:06:02] <jdh> you can get 3/4-6 acme rod pretty cheap
[02:06:15] <Valen> yeah use acme at least
[02:06:21] <nathanstenzel> 400 rpm for 16tpi is 25 in per minute
[02:06:43] <Valen> ballscrews aren't *that* expensive either, take a look at linearmotionbearings2008 on ebay
[02:07:11] <Valen> if the $ is putting you off, look at doing a chain drive or something
[02:08:21] <jp__> Check out Roton ithink they ave all different screws with pricing per/ft for reference.
[02:09:04] <jp__> http://www.roton.com/
[02:10:37] <Valen> http://www.roton.com/Mating_Components.aspx?family=7059305 is what (gut feel) i'd be using
[02:10:46] <Valen> i'd have to look up the speeds though
[02:11:02] <nathanstenzel> I think our definition of cheap is different
[02:11:16] <nathanstenzel> I got these for just $5 each
[02:11:33] <Valen> yeah, but they aren't going to work worth a damn
[02:12:08] <Valen> grab it in the middle and wiggle it in your hand, now imagine its doing that at 1000RPM
[02:13:02] <nathanstenzel> I don't expect them to bear weight. I just expect them to move the load. their ends would be held basically in place (while allowed to spin)
[02:13:31] <jp__> yeah but the middle is going to hump
[02:13:42] <jp__> with the nut at either end
[02:14:03] <nathanstenzel> they are straight
[02:14:07] <Valen> they arent
[02:14:18] <Valen> and it doesn't paticularly matter
[02:14:26] <jp__> not when they start spinning
[02:14:42] <Valen> as the slightest offset caused by the thing pushing on it will off center the center of mass and then you get 1000RPM of whip
[02:15:02] <jp__> and a long boomerang for the kids!!!
[02:15:43] <nathanstenzel> wait....1000rpm?
[02:15:45] <Valen> watch/listen to this
http://www.youtube.com/watch?v=v6Gx4pmKLws
[02:16:22] <nathanstenzel> that is 5.2 feet per minute
[02:16:52] <Valen> thats half of what we rapid at
[02:17:04] <Valen> we cut timber at that speed
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[02:19:31] <nathanstenzel> Valen, you have really expensive cutting bits, don't you?
[02:19:49] <Valen> we got 200 carbides from china for like $250
[02:19:52] <Valen> 2-3mm
[02:20:21] <jdh> I'd start off smaller probably.
[02:20:32] <nathanstenzel> is that something you can use on a standard router or drill?
[02:21:08] <Valen> I did wind up sticking one in a dremel and using it to hack up steel when my clutch pedal shit itself
[02:21:25] <Valen> albiet rather slowly
[02:21:50] <jdh> you can get acme cheap.
[02:22:02] <jdh> then you still need some sort of bearings/slides
[02:22:10] <Valen> at least look at acme, or just ditch the whole screw idea
[02:22:25] <nathanstenzel> acme? cheap? define cheap?
[02:22:30] <jdh> $10
[02:23:25] <jdh> http://www.surpluscenter.com/sort.asp?catname=&byKeyword=yes&search=acme%20screw
[02:24:31] <jdh> or ebay, or other diy cnc vendors
[02:27:22] <nathanstenzel> so you mean like this one?
http://www.surpluscenter.com/item.asp?item=1-2983-50-3&catname=
[02:27:50] <jdh> sure, but I wouldn't do 6ft with that either.
[02:28:35] <nathanstenzel> well, I think I might downsize it to 2x4x3
[02:30:05] <nathanstenzel> I have 2 rods to use for the 4ft length
[02:31:27] <nathanstenzel> people have been telling me that I could use the stepper motors from some old scanners, but I think those might be a bit weak for a cnc
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[02:32:55] <jp__> skunkworks_: here's the vid
http://www.youtube.com/watch?v=zusAwiSAMEw
[02:33:38] <jp__> gotta figure out how to do a time lapse with the camcorder
[02:36:05] <nathanstenzel> errr....for a cnc miller
[02:36:59] <jp__> Huh?
[02:37:33] <nathanstenzel> I was clarifying my previous statement
[02:38:15] <jp__> ah!
[02:38:39] <nathanstenzel> stepper motors from an old scanner for cnc milling sounds slow
[02:39:01] <jp__> for small benchtop mills some nema23's are fine
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[02:39:40] <Tom_itx> i like my 282 in oz alot better than the original 135 in oz for sure
[02:39:48] <Tom_itx> as well as the drivers
[02:41:32] <jp__> really depends on the holding torque of the motor, load transfer ratio of the screw, gear reduction if any and the cutting forces you expect to overcome
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[02:47:18] <nathanstenzel> I am about thinking the only way I can do this is how I will do it and worry about how bad I suck later.
[02:48:04] <jp__> You mean learn by doing
[02:48:41] <nathanstenzel> yeah....and probably sucking badly along the way
[02:50:06] <jp__> Nothing wrong with that. I just found out i can go as fast as i want, cause my steppers just cant handle the loads. I tried and i learned from it.
[02:51:04] <nathanstenzel> I have severe doubts about the speed of the motors that I might get to use with this
[02:51:24] <jp__> What do you doubt?
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[02:54:53] <jp__> I can tell you this. This is the first stepper machine i have built and i'm impressed with how well they work (given the whole open loop thing). Always used servos
[02:54:55] <nathanstenzel> well, a stepper motor from an old scanner may be slow and weak
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[02:55:38] <jp__> you can buy new for about $30 ea for nema 23's
[02:55:49] <Tom_itx> yup
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[02:55:58] <Tom_itx> for small machines they work fine
[02:56:29] <nathanstenzel> the motors may be so slow that I might not have to worry about the rod whipping around until I am ready to buy new motors and rods
[02:57:05] <jp__> i just bought 2 spares one 180oz/in and a 260oz/in for under a 100 shipped to canada with a driver
[02:57:56] <nathanstenzel> yeah.....I just wish I knew what I was doing.
[02:58:12] <jp__> thats what were all here for lol
[02:58:18] <nathanstenzel> I am a programmer. I was never all that mechanically inclined
[02:58:44] <jp__> you know how to spell google right?
[02:59:06] <jp__> google knows everything!!!
[02:59:11] <Tom_itx> askirc?
[02:59:18] <nathanstenzel> hehe. you have to be able to understand the stuff you find and not all of it is easy to find
[03:00:18] <nathanstenzel> btw, 1/2"-10 means 1/2" diameter with 10tpi, right?
[03:00:30] <jp__> you would be amazed what you will find and how well some sites are and articles for non-mechanical types. yes it does
[03:01:08] <nathanstenzel> heh. I am cornholio. I need 1/2-10 tpi for my borehole
[03:01:14] <nathanstenzel> ok. really bad joke
[03:01:23] <jp__> ok beavis lol
[03:02:02] <nathanstenzel> lame jokes are a specialty of mine. ;)
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[03:03:22] <jp__> Tom_itx: I'm impressed how well this has gone so far. slic3r is pretty good to get you goin.
[03:04:15] <nathanstenzel> hmmmmm.....if I modify some nuts or get one of those teethed wheels that can take a chain so that the nut/wheel moves instead of the rod, should I have to worry about the rod whipping at all?
[03:04:55] <jp__> If you want something you can use for a long time i would
[03:05:17] <jp__> if your going to build 6ft long
[03:06:06] <jp__> at 4ft you will still have to come up in size
[03:06:13] <nathanstenzel> I could mount the rod solid (perhaps weld it to the endpoints and then use a chain to paid up both sides and stick a motor inbetween
[03:06:30] <nathanstenzel> "come up in size"?
[03:08:04] <jp__> Well what size of screw i thought you were talking about 3/8 or something small like that?
[03:08:19] <jp__> originally
[03:08:29] <nathanstenzel> oh. yeah. that seems to be the size
[03:08:50] <jp__> well i would go bigger on a 4ft span
[03:08:54] <nathanstenzel> SWL 1700lb
[03:09:03] <nathanstenzel> does that mean anything to you?
[03:09:12] <jp__> safe working load?
[03:09:41] <jp__> BRB
[03:17:58] <jp__> hey
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[03:25:14] <nathanstenzel> so....1700lb for swl sounds strong to me
[03:27:20] <jp__> what size?
[03:28:20] <nathanstenzel> same rod I was talking about before
[03:32:26] <jp__> working load is just one part of the equation
[03:32:36] <jp__> what span?
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[03:35:21] <nathanstenzel> 3/8" 16tpi. I have 3ft and 6 ft lengths, but I may make it just 2ftx4ft for the work bed
[03:35:47] <nathanstenzel> those rods are 1700lb SWL
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[03:40:11] <jp__> It's just not the load rating the load ratings are just based on static tension and compression. there are also dynamics to consider. thats why valen was guiding you to go bigger. the larger the cross sectional area of the screw the less it will have the tendancy to resonate (shake) over long spans at speed
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[03:43:27] <nathanstenzel> I want to try having the thread stationary and spin a threaded sprocket around it to see if I can overcome the resonance thing
[03:44:06] <jp__> i would look at rack and pinion gear then
[03:44:12] <nathanstenzel> I think I would take some old bike parts to get that
[03:44:35] <Jymmm> archivist: JT-Shop easy Rust removal by Electrolysis -
http://www.youtube.com/watch?v=y4yYF8gSHdA&NR=1&feature=endscreen
[03:45:48] <nathanstenzel> wait. rack and pinion as an alternative or an addition?
[03:46:53] <jp__> alternative
[03:49:08] <nathanstenzel> hmmmm..........so many people suggest that.
[03:51:57] <Valen> there is a reason for it nathanstenzel
[03:52:07] <Valen> or just do a chain or belt drive
[03:52:32] <nathanstenzel> I may end up making a few different types of linear actuators to play around with the stuff, but for some stupid reason, stores want to charge you out the arse for things that are made in china and refuse to buy American where it might actually be cheaper than the price they sell for. Damned traitors wanting the massive markup
[03:53:07] <jp__> got it done!!!
[03:53:09] <jp__> https://picasaweb.google.com/103502607515689372041/LinuxcncStuff#5786761211731101506
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[04:00:28] <jp__> night all
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[04:01:25] <nathanstenzel> what on earth is that?
[04:01:58] <jp__> just a test program i ran for my 3d printer
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[04:03:29] <Jymmm> archivist: JT-Shop
http://www.youtube.com/watch?v=AQNvhUYqCkw&feature=player_detailpage#t=629s
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[04:18:02] <nathanstenzel> ummmm....if you have a motor on the right and a motor on the left, how do you stop them from mismatching position?
[04:18:54] <nathanstenzel> and do chain drives get resonance too?
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[04:23:45] <skorket> has anyone else here got a CNC that etches PCBs?
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[05:31:25] <nathanstenzel> http://www.brusselsprout.org/cnc/stepper-motors.jpg that looks vaguely like what I am thinking of
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[07:40:31] <DJ9DJ> moin
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[08:17:33] <theos> o/
[08:17:45] <DJ9DJ> \o/
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[08:23:20] <psha[work]> _o/
[08:23:27] <psha[work]> \o_
[08:38:00] <archivist> _o_
[08:38:51] <Jymmm> (.) (.)
[08:38:55] <DJ9DJ> lol
[08:38:57] <DJ9DJ> Jymmm wins ;)
[08:40:44] <theos> U(O.O)U
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[13:42:40] <skunkworks> logger[psha],
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[16:09:28] <JT-Shop> BPeast runs under battery!
[16:11:15] <Connor> Hey guys, working on make a app that's international.. In the use, we use Zipcodes, and I've heard them called Post Codes.. those of you NOT in the US, how do you refer to it?
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[16:13:44] <skunkworks> JT-Shop, I think the estop_latch hal is what you want
[16:14:16] <skunkworks> *hal componant
[16:14:21] <JT-Shop> for the remote e-stop?
[16:15:00] <skunkworks> yes. I think iirc it emulates the classic ladder rung 4 example
[16:15:16] <skunkworks> http://wiki.linuxcnc.org/cgi-bin/wiki.pl?Sample_HAL_And_ClassicLadder
[16:15:16] <JT-Shop> ah ok
[16:17:23] <skunkworks> JT-Shop,
http://psha.org.ru/irc/%23emc/2012-05-23.html#18:19:13
[16:17:48] <JT-Shop> thanks
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[16:28:22] <JT-Shop> odd that it wants a false for estop-latch.0.fault-in I assumed it would require true for no fault and false for a fault
[16:28:59] <JT-Shop> I'll just knot it
[16:29:08] <jdh> double-knot it!
[16:29:16] <Jymmm> JT-Shop: Did you see the videos? If not ,scroll back
[16:29:46] <jdh> fault-in would make logical sense to be TRUE for fault.
[16:30:48] <skunkworks> if the estop ties to ground....
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[16:31:32] <JT-Shop> yep Jymmm
[16:31:47] <Jymmm> JT-Shop: Cool =)
[16:31:53] <JT-Shop> but the estop chain is always true for ok
[16:31:57] <tjb1> Might have motion this weekend :D
[16:32:16] <JT-Shop> if you cut a wire...
[16:32:27] <tjb1> make sure its blue...
[16:32:28] <JT-Shop> I had motion just a while ago
[16:32:41] <Jymmm> JT-Shop: The snippet of the 2nd video is pretty impressive; especially with two bolts rusted together like that.
[16:33:01] <JT-Shop> yea, but 12 hours at 10 amps...
[16:33:20] <Jymmm> JT-Shop: 12, or 36 hours. still impressive
[16:33:35] <JT-Shop> a little soak in caustic soda and rust be gone with no electricity
[16:34:13] <JT-Shop> skunkworks: thanks that works great
[16:34:24] <skunkworks> Great!
[16:34:25] <Jymmm> everyone has a battery charger, and 1 tbsp of washing soda per gallon of water. far simpler. KISS =)
[16:34:43] <JT-Shop> lol I even got you to post on the forum :)
[16:35:18] <skunkworks> JT-Shop, :)
[16:36:35] <skunkworks> I like that (and the ladder example) because both estops (external and software) work as expected
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[16:37:09] <JT-Shop> yea, I didn't even know about the estop-latch component
[16:39:33] <JT-Shop> PCW: my "enable" to ground is really a "disable" to ground. Should I use a relay from general I/O connected to motion.motion-enabled or something like that?
[16:39:59] <tjb1> Jymmm: Thats pretty cool, I got a battery charger that will do 60 amps :)
[16:40:24] <JT-Shop> or can the enable from the analog be made to work for that on the 7i77?
[16:40:30] <Jymmm> tjb1: just do it in a well ventilated area outdoors
[16:40:40] <tjb1> I was going to try the citric acid method first
[16:41:29] <jdh> my estop has two relays, one of which is energized by linuxcnc. Its output is part of the coil power for the other relay (along with both e-stop switches, and latched through itself).
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[16:42:12] <skunkworks> jdh, that sound similar to how we did the k&t
[16:42:36] <skunkworks> some day I should draw up a schematic
[16:42:55] <jdh> I thought about drawing up one too, but I kept confusing myself.
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[16:44:03] <jdh> I have to keep the start button pushed for longer than I feel it should be pushed for linuxcnc to close its part of the chain.
[16:44:40] <skunkworks> hmm.
[16:45:24] <jdh> if I tap it quickly, linuxcnc sees it and turns power on, but the power-on output doesn't instantly come on and let the main relay latch in.
[16:45:39] <skunkworks> I don't have that issue.. )I don't have a 'star'button. when I pull the stop out in the gui - the hydraulic pumps and such start (the estop loop is energized)
[16:46:13] <skunkworks> *estop
[16:46:35] <jdh> my start button is double-pole. One side tells linuxcnc to start, the other side 'bypasses' the latch to allow the relay to energize
[16:46:47] <skunkworks> huh
[16:46:55] <skunkworks> neat
[16:48:05] <skunkworks> I know I had issues with otherthings - like the pyvcp button pushes - they seem to requre some one shots so they are seen...
[16:48:32] <skunkworks> I only have a vauge recolection of it - so I may be thinking of something eles.
[16:49:44] <pcw_home> JT thats a kinda backwards enable. so its enabled if unconnected?
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[16:50:12] <jthornton> yes
[16:50:33] <pcw_home> yuck
[16:50:44] <jthornton> it's like Gecko's they have disable pins instead of enable pins
[16:51:15] <pcw_home> dumb
[16:51:21] <jdh> makes it easier for the masses... do nothing and it works.
[16:51:28] <jthornton> right now the power supply for the drives is driven by motion.motion-enabled
[16:51:42] <pcw_home> so a broken wire enable the drives, good thinking
[16:51:43] * Jymmm read that as "disposable pins".
[16:51:50] <jthornton> LOL yea
[16:52:07] <jdh> my spindle speed controller is like that too.
[16:52:37] <pcw_home> If it not too much current maybe a stiff pulldown resistor at the drive would be advisable
[16:53:29] <pcw_home> do you know the voltage/current required?
[16:54:14] <jthornton> no, all I know is when grounded the fault light comes on and the drives quit working
[16:54:58] <jthornton> I was thinking of using the N/C contacts of a small relay to keep it grounded until the power button is pressed
[16:55:11] <pcw_home> can you measure the current? (ground through a DVM set for current)
[16:55:33] <jthornton> yes, give me a minute or three to get back to the shop
[16:56:16] <pcw_home> yeah a relay would work but seems slighty rube-goldberg
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[16:57:13] <IchGuckLive> Hi all
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[16:57:55] <tjb1> Jymmm: have you ever tried the cirtic acid?
[16:58:00] <tjb1> citric.
[16:58:21] <Jymmm> nope
[16:58:40] <Jymmm> too expensive, would try vinegar first
[16:58:43] <skunkworks> jp__, Cool!
[17:02:40] <JT-Shop> PCW: when I plug into 300ma I get 0.52
[17:05:25] <syyl> citiric acid is expensive?
[17:05:31] <syyl> where?
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[17:13:11] <pcw_home> .52 mA?
[17:15:05] <pcw_home> if so I'd put a 1K pulldown across the disable pins to disable. What voltage?
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[17:26:52] <JT-Shop> I assume it is .52mA, I've never measured current with a DVM. I plugged into the 300mA plug and common on my Fluke
[17:27:37] <JT-Shop> then selected DC amps
[17:30:26] <pcw_home> You can always try a 1K pulldown and see it it disables the drives
[17:31:39] <JT-Shop> I can't figure out where to get the + reference to measure voltage all the drive gets is 170vdc
[17:32:47] <pcw_home> just measure from the disable pin to ground (with DVM set for volts)
[17:33:10] <JT-Shop> I got 0 when I tried that
[17:33:46] <pcw_home> um thats odd, it needs some voltage to sense when the pin is grounded
[17:34:20] <JT-Shop> let me try again
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[17:35:20] <JT-Shop> ah it gets pulled to 0, it is 15vdc when not connected to ground
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[17:36:04] <pcw_home> is there a +15V terminal available?
[17:36:23] <JT-Shop> let me see
[17:38:52] <JT-Shop> nothing is labeled on the connector
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[17:40:46] <pcw_home> If +15 is not available your NC relay idea is probably the best bet
[17:40:48] <pcw_home> Is there a manual around for the drive?
[17:41:25] <JT-Shop> let me see if I can find one, it is part of an Anilam 1100M converstion system for the BP
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[17:49:47] <IchGuckLive> pcw_home: is there a workaround for the 7i76 with the Huanyang spindel VFD
[17:50:21] <IchGuckLive> i fond a plugin for this for mach3 so i guess its also working on the Linuxcnc
[17:51:05] <IchGuckLive> spindel on off CW CCW can be done by relay
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[17:53:03] <pcw_home> workaround?
[17:54:27] <jdh> I want/need a smallish booster, like an AGT15/30
[17:54:28] <JT-Shop> here is the drive board
http://www.csldirect.com/product_info.php?product_id=31421
[17:54:30] <jdh> <urk>
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[17:56:33] <IchGuckLive> pcw_home: to get the spindel speed modified from Axis via Hal
[17:56:55] <JT-Shop> pcw_home: no luck finding a manual for it
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[17:58:14] <pcw_home> on the 7I76 the spindle speed is set via a PWM gen
[17:59:37] <pcw_home> Oop thats wrong its part of the field I/O
[18:01:57] <pcw_home> spindle analog out pin is "spinout"
[18:02:14] <pcw_home> in addition there are spinena and spindir
[18:02:34] <pcw_home> (which are bits)
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[18:03:55] <IchGuckLive> Thanks the VFD has only FOR REV
[18:04:14] <IchGuckLive> that needs to bee shorten to the DCM comen terminal
[18:05:29] <pcw_home> is there a separate enable?
[18:06:37] <IchGuckLive> i dont see one but i fond in the datasheet Analog Voltage Frequency Reference 0~+10V corresponding Input highest operating frequency
[18:07:21] <IchGuckLive> http://www.2shared.com/document/tvddak-F/HuanYang_VFD_user_manual.html
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[18:12:41] <mrsun> gah i never seem to get the mill operational :/
[18:13:15] <mrsun> now i got the enclosure for the vfd almost done ... but now i need somewhere to put the vfd control card ... hell i might just put it outside in a plastic box to get rid of the problems :P
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[18:29:58] <pcw_home> IchGuckLive: Theres an example in the manual for a connection using ENA and DIR (They call them RUN and FOR/REV)
[18:32:13] <pcw_home> JT I cant find any manual on the Anilam drive either so a relay is safest if you dont know the specs/connections
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[18:33:32] <pcw_home> IchGuckLive: second wiring example page 36 of the pdf
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[18:40:34] <pcw_home> so
[18:40:36] <pcw_home> ENA- --> DCM
[18:40:37] <pcw_home> DIR- --> DCM
[18:40:39] <pcw_home> ENA+ --> FOR
[18:40:40] <pcw_home> DIR+ - -> REV
[18:40:42] <pcw_home> SPINDLE- --> ACM
[18:40:43] <pcw_home> SPINDLEOUT --> V1
[18:40:45] <pcw_home> SPINDLE+ --> +10
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[18:58:06] <JT-Shop> Peter thanks for looking
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[18:59:29] <pcw_home> It might be in a system wiring diagram somewhere, since just the connector pinout is needed
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[19:03:46] <JT-Shop> the only info I have on the control is how to tune the drives and programming
[19:04:13] <pcw_home> and of course IchGuckLive left when my dsl modem flaked out :-)
[19:04:15] <JT-Shop> on that connector only the velocity and disable pins are used
[19:06:46] <pcw_home> well a relay is guaranteed to work
[19:08:05] <pcw_home> I guess you could poke around and check for other +15V signals
[19:11:27] <JT-Shop> I'll go with the relay and pull it in with motion.motion-enabled
[19:11:33] <JT-Shop> thanks for the help
[19:12:02] <JT-Shop> I'm taking bets on if I found the last hole in the bike tube or not...
[19:12:36] <Jymmm> did you pull the rim off the bike?
[19:13:46] <JT-Shop> yea
[19:13:55] <JT-Shop> 2 seconds
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[19:14:29] <Jymmm> then it's easy.... tiny bubbles in the water tank... =)
[19:14:36] <Jymmm> so no wont take that bet =)
[19:14:41] <Jymmm> ^I
[19:15:24] <JT-Shop> I thought I didn't see any tiny bubbles the other day but I guess I missed them
[19:16:04] <Jymmm> or the patch/tube was bad
[19:17:13] <JT-Shop> dunno
[19:17:29] <JT-Shop> about the tube but the patch is good
[19:17:43] <Jymmm> ah
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[20:14:00] <tjb1> r00t4rd3d: 2 more holes per carriage and im done
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[20:34:37] <JT-Shop> hmm no pwmgens show up in my 5i25...
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[20:41:57] <Gabe_W> where is the linux source tree? im trying to configure rtai 3.8.1 and it can't find it. Im using the ubuntu 10.04 cd
[20:45:06] <JT-Shop> pcw_home: does this look correct for the 5i25/7i77? loadrt hm2_pci config="num_encoders=6 num_pwmgens=6 sserial_port_0=002xxx"
[20:45:21] <JT-Shop> I'm not getting any pwmgens
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[20:52:41] <JT-Shop> Gabe_W: whatcha doing?
[20:53:38] <PCW> 7i77 has no pwmgens :-(
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[20:53:59] <JT-Shop> no wonder they don't show up LOL
[20:54:04] <Tom_itx> woops
[20:54:17] <JT-Shop> I was following the 5i20 config
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[20:56:09] <PCW> they are something like this: hm2_5i25.0.7i77.0.1.analogout0
[20:56:13] <JT-Shop> do you use analogout
[20:56:57] <JT-Shop> ok, dumb question do I need a pwmgen from linuxcnc to drive analogout?
[20:57:09] <PCW> no
[20:57:12] <JT-Shop> or the pid
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[20:57:27] <skunkworks> Gabe_W, git.linuxcnc.org?
[20:58:18] <PCW> yes you need PID only difference is that PID out goes to a analogoutn instead of a pwm-value.n
[20:59:19] <JT-Shop> ok, thanks PCW
[21:00:31] <DJ9DJ> gn8
[21:00:37] <PCW> freeby.mesanet.com/7i77.zip has the 5i25/7i77 version of the hm2-servo sample files
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[21:03:43] <JT-Shop> thanks
[21:05:24] <tjb1> Im having a problem with something I have with drill bushings…very tight
[21:05:27] <tjb1> How can I loosen it up
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[21:08:36] <JT-Shop> what is very tight?
[21:09:01] <tjb1> The drill bit in the bushing
[21:09:19] <JT-Shop> carbide bushing?
[21:09:28] <tjb1> yes
[21:09:42] <tjb1> sandpaper on something that fits inside?
[21:09:45] <JT-Shop> yikes! diamond lapping compond
[21:10:15] <tjb1> Yeah…let me go pull that out of the drawer :P
[21:10:34] <JT-Shop> only thing I know will cut carbide is diamond lapping compound
[21:10:45] <Jymmm> it's on the bottom shelf, left side, behind your pr0n collection
[21:10:46] <JT-Shop> did that for a few years
[21:11:01] <tjb1> I assume it is carbide
[21:11:06] <Jymmm> tjb1: it's on the bottom shelf, left side, behind your pr0n collection
[21:11:07] <tjb1> The drill doesnt even scratch it
[21:11:51] <tjb1> Drill barely fits cold but when it gets hot it almost locks up
[21:12:03] <tjb1> So I just drill the holes enough to keep the drill centered then pull the jig off and do them
[21:12:10] <JT-Shop> could be hardened steel bushing
[21:12:44] <JT-Shop> try some 600 grit on a stick and see if it polishes it any
[21:13:15] <tjb1> ill get back to you on that friday
[21:13:25] <tjb1> or saturday…I have to drill like 50-60 holes with it
[21:13:59] <JT-Shop> put a relief on the flutes so it donsen't bind
[21:14:05] <JT-Shop> doesn't
[21:14:41] <tjb1> The bushing is 3/8"-1/2" thick and sets right on top of the material which is 1/4" thicl
[21:14:56] <tjb1> I wouldnt be able to relief until about 3/8"-1/2" up the drill
[21:15:00] <tjb1> and its locking up before then
[21:16:09] <JT-Shop> if your pecking then removing the jig whats the difference if only the first 1/8" of the bit fits tight in the bushing?
[21:16:52] <tjb1> I dont want to peck
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[21:21:44] <tjb1> Drive it home ya know
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[21:29:32] <JT-Shop> sure seems you have three choices, make the hole bigger, the bit smaller, nothing
[21:29:48] <JT-Shop> PCW: I just jogged the X axis! THANKS
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[21:34:21] <PCW> JT-Shop: thats a good sign
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[21:34:38] <JT-Shop> a very good sign
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[21:57:35] <JT-Shop> all the axes jog :)
[22:10:19] <micges> that's great
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[22:14:58] <JT-Shop> yea, now I need to relearn how to use halscope
[22:15:21] <JT-Shop> can't remember what to trigger on to check following error
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[22:37:44] <JT-Shop> I'm starting to get a wave form but my trigger is not correct it keeps firing :(
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[23:27:49] <jp__> evening
[23:30:19] <JT-Shop> yes it is
[23:32:12] <jp__> ha ha
[23:32:31] <JT-Shop> tuning the BP servos just now after the conversion
[23:32:51] <jp__> cool how's it goin
[23:32:57] <jp__> what drives?
[23:34:05] <JT-Shop> the original Anilam DC servo drives... about the only thing left from the Anilam are the servos and drives
[23:34:46] <jp__> Ah those are brush DC correct
[23:35:23] <r00t4rd3d> http://www.liveleak.com/view?i=6f7_1347368336
[23:35:26] <r00t4rd3d> headshot!
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[23:45:52] <JT-Shop> yes
[23:51:20] <JT-Shop> limit switches work :)
[23:53:15] <Tom_itx> JT-Shop is on it now
[23:53:17] <Tom_itx> !
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