#emc | Logs for 2011-12-12

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[00:03:49] <JT-Shop> http://www.gnipsel.com/video/ballista/ballista-5.mov
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[00:39:41] <andypugh> https://picasaweb.google.com/lh/photo/LnN2AatetvQGg4F9v6ha5NMTjNZETYmyPJy0liipFm0?feat=directlink
[00:40:10] <andypugh> I _think_ it's a motor. Time to hook it up to a drive to find out.
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[00:48:12] <skunkworks_> andypugh: Cool - one you made?
[00:51:17] <skunkworks_> andypugh: WTH? https://picasaweb.google.com/108164504656404380542/Gibbs#5664239854277436994
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[01:04:09] <andypugh> skunkworks_: That's a friend of mine, he had a brain tumour.
[01:04:27] <andypugh> He seems to be OK now, but with quite a scar
[01:04:42] <skunkworks_> yikes
[01:04:59] <skunkworks_> Glad to hear he is getting better
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[01:06:08] <andypugh> And the motor is built from scratch, including the laminations.
[01:07:12] <skunkworks_> cool - looked at some of your pictures - cool
[01:07:43] <danimal_laptop> andypugh: when are you going to try it?
[01:11:53] <andypugh> tomorrow, hopefully.
[01:12:23] <andypugh> Though that will have to be a lash-up using a 7i39 open-loop.
[01:12:26] <danimal_laptop> cool
[01:12:45] <danimal_laptop> no bearings?
[01:13:35] <Tom_itx> andypugh too bad you couldn't get contoured magnets to fit the ring
[01:14:15] <andypugh> It doesn't make an enormous difference with 14 magnets
[01:14:37] <Tom_itx> no probably not
[01:15:06] <Tom_itx> what's it gonna be in the end?
[01:15:27] <andypugh> danimal_laptop: There is a 6709 bearing in the bottom.
[01:15:34] <danimal_laptop> ah
[01:17:22] <skunkworks_> That is going to be neat to see
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[01:24:42] <A2Sheds> http://wiki.linuxcnc.org/emcinfo.pl?Simple_Remote_Pendant is this current?
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[01:27:53] <andypugh> danimal_laptop: Here's a picture with the bearing. It's a really thin one. https://picasaweb.google.com/lh/photo/kj_M8wpdQj-KTY5eH0Vjr9MTjNZETYmyPJy0liipFm0?feat=directlink
[01:28:17] <danimal_laptop> ah cool
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[01:28:48] <danimal_laptop> i hope you get enough torque out of it
[01:29:07] <andypugh> Well, it seems a bit feeble at 3A.
[01:29:44] <andypugh> But then it is running 3A 1V, so very little power.
[01:29:51] <skunkworks_> heh
[01:29:53] <danimal_laptop> ah
[01:30:51] <danimal_laptop> i got everything i need to test the knee as an axis with the vfd
[01:31:19] <andypugh> I can try it with a 10A 7i39, or maybe even throw 30A of 8i20 at it.
[01:31:22] <danimal_laptop> i just need to finish a few things
[01:31:37] <danimal_laptop> 30A??
[01:31:41] <danimal_laptop> wowsers
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[01:36:37] <danimal_laptop> i might need to get a new drive for the 5th axis
[01:36:46] <danimal_laptop> drive(s)
[01:37:04] <danimal_laptop> the one it came with is rather weird and i cant find any manuals for it
[01:47:09] <andypugh> Only problem with the 8i20 is that it needs 50V.
[01:47:14] <andypugh> (minimum)
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[01:51:33] <Danimal_garage> its 3 phase, i need dc anyways
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[01:58:40] <andypugh> Night all
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[02:02:30] <Danimal_garage> ah, the joys of helping someone try and figure out EMC over the phone.....
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[02:03:03] <Danimal_garage> especially when they are convinced something is right when it isnt
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[02:05:22] <Tom_itx> heh
[02:06:14] <Danimal_garage> at least it's working now. waiting for the next phone call once he attempts the jog wheel...
[02:06:37] <Tom_itx> any updated pics of your mill?
[02:06:45] <skunkworks_> Danimal_garage: how is he liking it?
[02:07:44] <Danimal_garage> http://www.flickr.com/photos/66828621@N02/6495720213/in/photostream
[02:08:12] <Danimal_garage> skunkworks: i think he likes it, he's just little suprised by how hard it is to configure
[02:08:20] <Danimal_garage> i did warn him though
[02:09:00] <Danimal_garage> he gave me a glass scale and a couple vfd's for helping him out though
[02:10:32] <Tom_itx> meh, that may be worth a couple phone calls
[02:10:52] <Danimal_garage> yea definitely
[02:11:13] <Danimal_garage> i spent most of the day with him yesterday setting it up though
[02:13:11] <Danimal_garage> i think he was impressed by the ability of the software though
[02:16:55] <Danimal_garage> hard not to be though lol
[02:19:01] <Tom_itx> especially with good cards that go with it
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[02:19:40] <Danimal_garage> yea
[02:20:01] <Danimal_garage> i had him get the 5i20, 7i33, and 7i37
[02:20:17] <Tom_itx> what's the 33?
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[02:20:58] <Danimal_garage> 4 channel servo interface card
[02:21:24] <mikegg> would this be a good power supply for the 7i39H ? http://www.ebay.com/itm/250952566288?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2649#ht_500wt_1129
[02:21:57] <Tom_itx> if it works
[02:22:02] <mikegg> heh
[02:22:18] <mikegg> I just snagged one, I'll let you know
[02:23:21] <mikegg> I was reading the manual mesa manual. talks about using a capacitor when run near the voltage threshold (52v)
[02:23:41] <mikegg> would that be in series, or parallel? I wonder
[02:23:57] <Tom_itx> parallel i presume
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[02:24:02] <Tom_itx> how big?
[02:24:16] <Tom_itx> probably to level out spikes
[02:25:04] <mikegg> right now I've got a toroid and an 18,000 uf in parallel
[02:25:09] <A2Sheds> This capacitor is usually needed only if the
[02:25:09] <A2Sheds> power supply does not have a output capacitor.
[02:25:26] <A2Sheds> an external capacitor may be needed to prevent voltage surges
[02:25:27] <A2Sheds> from inadvertently tripping the protection circuit.
[02:25:34] <mikegg> yeah
[02:25:38] <Tom_itx> yup
[02:25:43] <mikegg> that blurb
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[02:26:31] <mikegg> the one on ebay is a regulated switcher I think
[02:26:35] <A2Sheds> you probably won't need the cap
[02:26:39] <mikegg> they don't normally have caps, do they?
[02:26:46] <mikegg> ok
[02:26:51] <A2Sheds> they do, it's a regulated supply
[02:26:56] <Tom_itx> i've got one nearly opposite specs: 12v 48A
[02:27:03] <A2Sheds> keep the leads sort
[02:27:14] <mikegg> from PS to mesa card?
[02:27:19] <A2Sheds> yes
[02:27:24] <mikegg> and twist them right?
[02:27:41] <A2Sheds> and use a 12-14ga wire
[02:27:59] <mikegg> check, I got some left over speaker wire heh
[02:28:02] <A2Sheds> don't try and use some left over twisted pair for ethernet
[02:28:08] <mikegg> hah
[02:28:23] <Tom_itx> make a good fuse
[02:28:45] <mikegg> make? like use steel wool?
[02:28:54] <Tom_itx> no
[02:29:03] <Tom_itx> if you used the ether for that
[02:29:11] <mikegg> ahhh
[02:29:16] <mikegg> gotcha, hah
[02:29:21] <Jymmm> mikegg: That would be stupid you idiot, use aluminum foil and a 22LR shell
[02:29:30] <Tom_itx> yeah
[02:29:37] <Tom_itx> steel wool is just a fire hazard
[02:29:38] <mikegg> i've got some spare 30-06 blanks
[02:29:44] <mikegg> they'll do the trick I think
[02:29:50] <Tom_itx> you'd know if the fuse blew
[02:29:52] <Jymmm> mikegg: They WILL fire at 10A btw
[02:30:53] <Jymmm> http://dsc.discovery.com/videos/mythbusters-gun-cartridge-fuse-minimyth.html
[02:31:18] <A2Sheds> how much ether should he evaporate into the closed room before he blows the fuse?
[02:31:28] <Tom_itx> Jymmm did you see where they shot a cannon ball into someone's house?
[02:31:40] <Jymmm> Tom_itx: I saw the aftermath =)
[02:31:53] <Tom_itx> i haven't seen it yet but heard
[02:32:09] <Jymmm> Tom_itx: bowling ball sized hole in wall
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[02:32:14] <Tom_itx> oops
[02:32:44] <Jymmm> Tom_itx: =)
[02:34:59] <Tom_itx> did adam come rolling up on his segway with his measuring stick?
[02:35:48] <Jymmm> lol, I have no idea, but they both wen to each person's home directly and apologized profusely
[02:36:00] <Jymmm> they really were very sorry that it happened.
[02:36:06] <A2Sheds> heh, I like all the ebay listings for stepper servo motors
[02:36:37] <A2Sheds> "the best of both worlds"
[02:40:07] <Danimal_garage> Jymmm: what are you guys talking amout?
[02:40:16] <Danimal_garage> i'm guessing mythbusters?
[02:40:19] <Danimal_garage> about*
[02:40:36] <Tom_itx> they shot a cannon thru somebody's house by accident
[02:40:55] <Danimal_garage> LMAO
[02:40:59] <Tom_itx> heh
[02:41:11] <Danimal_garage> lawsuit!
[02:41:30] <Tom_itx> obama will pardon em
[02:41:57] <A2Sheds> http://www.ebay.com/itm/400-Escap-stepper-motors-/130614766395?pt=LH_DefaultDomain_0&hash=item1e693f2b3b only $2 ea
[02:43:42] <mikegg> a nice pair of nema 34 servos went the other day for like $50 incl shipping
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[03:38:20] <danimal_laptop> anyone have any experience with one of these?: http://www.flickr.com/photos/66828621@N02/6496909117/in/photostream
[03:38:36] <danimal_laptop> http://www.flickr.com/photos/66828621@N02/6496910569/in/photostream/
[03:39:56] <danimal_laptop> it's for the jog wheel
[03:40:08] <danimal_laptop> not sure the specs on it
[03:40:12] <Tom_itx> encoder?
[03:40:17] <danimal_laptop> of some sort
[03:40:26] <Tom_itx> big sucker
[03:40:54] <danimal_laptop> the encoder thing says rapid-syn
[03:40:57] <Tom_itx> are the chips marked?
[03:41:28] <danimal_laptop> yea
[03:42:17] <Tom_itx> what are they?
[03:42:42] <danimal_laptop> 74Ls74AN 80 50
[03:43:10] <pcw_home> week 50 of 1980..
[03:43:22] <danimal_laptop> m8204 LM339n
[03:43:27] <danimal_laptop> lol
[03:43:37] <Tom_itx> edge triggered flip flop
[03:43:58] <pcw_home> And dual comparator
[03:44:16] <Tom_itx> used to build the pulse
[03:44:16] <danimal_laptop> im guessing a resolver of sorts and the board converts it into quadrature counts?
[03:44:36] <danimal_laptop> i cant read the third chip, i need to get a light
[03:44:51] <Tom_itx> probably all the same
[03:45:44] <danimal_laptop> 7404 qr 8101 maybe
[03:46:42] <Tom_itx> hex inverter
[03:46:55] <danimal_laptop> there's 6 wires that went to the controller, taped in pairs of 3
[03:47:17] <danimal_laptop> i'm guessing a,b, and power?
[03:47:21] <Tom_itx> probably for a b
[03:47:37] <danimal_laptop> not sure what is what though
[03:47:45] <Tom_itx> a +v gnd
[03:47:49] <Tom_itx> b +v gnd
[03:47:51] <Tom_itx> maybe
[03:48:19] <pcw_home> pin 14 of the 7474 will be +5 , 7 gnd
[03:48:37] <Tom_itx> yeah i was gonna suggest you trace it back to the power pins
[03:48:43] <danimal_laptop> ah
[03:48:50] <danimal_laptop> good call, thanks
[03:49:01] <Tom_itx> then you can isolate the signal
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[03:49:51] <Tom_itx> use a meter, it's quicker than following the traces
[03:51:23] <pcw_home> 14 13 12 11 10 9 8
[03:51:25] <pcw_home> o
[03:51:27] <pcw_home> 1 2 3 4 5 6 7
[03:52:10] <pcw_home> (top view)
[03:52:29] <Tom_itx> http://www.ti.com/lit/ds/symlink/sn74ls74a.pdf
[03:52:32] <Tom_itx> io
[03:52:36] <danimal_laptop> brown is ground
[03:53:35] <danimal_laptop> hmm 14 goes to another chip
[03:53:48] <Tom_itx> it would
[03:53:52] <Tom_itx> they all need power
[03:53:57] <danimal_laptop> the 7404
[03:54:49] <pcw_home> yep it has the same power pins as the 7474
[03:55:35] <danimal_laptop> 1, 4, 8, 9, and 12 are all in the same circuit
[03:55:44] <danimal_laptop> on the 7474
[03:55:54] <Tom_itx> http://www.ti.com/lit/ds/symlink/sn74ls04.pdf
[03:56:00] <Tom_itx> there's the data sheets for both
[03:56:11] <Tom_itx> and the one ^^
[03:56:25] <Tom_itx> so you can find the in and out
[03:57:15] <danimal_laptop> sweet, thanks, trying to make sense of it (i'm not very good at this stuff if you couldnt tell)
[03:57:58] <Tom_itx> here to help
[03:58:14] <danimal_laptop> thanks
[03:58:26] <Tom_itx> you probably don't have a scope
[03:58:45] <danimal_laptop> ha, you'd laugh if you saw what i'm using for a meter
[03:59:01] <danimal_laptop> so yea, no scope lol
[03:59:04] <Tom_itx> you could use an led to find the signal probably
[03:59:12] <pcw_home> Once you have the power figured out the rest is just checking the outputs (a LED is good enough and better than a meter)
[03:59:13] <Tom_itx> and a 330 ohm r
[03:59:15] <Tom_itx> approx
[03:59:38] <danimal_laptop> yea i figured i couldnt hurt much once the power was figured out
[03:59:56] <danimal_laptop> still trying to figure out +
[04:00:08] <pcw_home> backwards power is rarely a good thing
[04:00:08] <Tom_itx> follow pin 14 out
[04:00:22] <Tom_itx> or use a meter to find it
[04:00:24] <danimal_laptop> 1,4,8,9, and 12 go to the other wire in the pair with gnd
[04:00:38] <Tom_itx> probably not used
[04:00:50] <pcw_home> Of the 7474?
[04:00:52] <Tom_itx> see if you don't use an input you should tie it to gnd or +
[04:00:53] <danimal_laptop> yes
[04:01:30] <Tom_itx> 8 and 9 are inputs
[04:01:37] <Tom_itx> the other 2 just enable the chip
[04:01:39] <danimal_laptop> clear and preset
[04:01:43] <Tom_itx> yeah
[04:02:49] <pcw_home> 8 and 9 are outputs an a 7474
[04:03:22] <Tom_itx> i forgot if Q or D was
[04:03:23] <pcw_home> on a
[04:03:35] <pcw_home> D in Q out
[04:03:42] <Tom_itx> k
[04:05:33] <danimal_laptop> doh, i was wrong
[04:05:45] <pcw_home> 8 and 9 should not be connected together
[04:06:11] <danimal_laptop> yea
[04:06:42] <danimal_laptop> 1, 4, 10, 13, and 14 are
[04:07:36] <danimal_laptop> so that must be +, right?
[04:07:46] <Tom_itx> /clr and /pre of each side
[04:07:51] <Tom_itx> yes
[04:07:55] <Tom_itx> 14 is
[04:08:26] <danimal_laptop> so i got + amd - figured out
[04:08:42] <Tom_itx> you're nearly done then
[04:08:44] <Tom_itx> :)
[04:09:13] <danimal_laptop> the other two are likely paired in the way they are taped together on the wire
[04:09:21] <danimal_laptop> cable i should say
[04:09:28] <Tom_itx> probably so
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[04:12:12] <danimal_laptop> the other 4 wires are connected to 1y, 2y, 3y, and 4y of the 7404
[04:12:41] <Tom_itx> Y is output from that
[04:12:43] <Tom_itx> chip
[04:13:27] <danimal_laptop> it's paired as 1y, 2y and 3y, 4y
[04:13:29] <Tom_itx> all it does is invert the signal
[04:13:32] <danimal_laptop> +
[04:13:38] <danimal_laptop> that was my dog
[04:13:54] <Tom_itx> tryin to help?
[04:14:52] <Tom_itx> it might output A B and /A /B
[04:14:58] <danimal_laptop> she'd like to think
[04:15:17] <Tom_itx> mine does
[04:15:25] <Tom_itx> as a differential pair
[04:15:38] <Tom_itx> i'm only using A B on mine
[04:16:47] <Tom_itx> http://www.pmdx.com/MPG-01
[04:16:49] <Tom_itx> like that
[04:17:46] <danimal_laptop> the wire colors are 1y white, 2y black, 3y white, 4y red
[04:18:32] <Tom_itx> those are very likely your signals out
[04:18:39] <Tom_itx> as differential pairs
[04:19:06] <danimal_laptop> do you think the 1 and 2 are a pair, as are 3 and 4?
[04:20:02] <Tom_itx> would seem reasonable based on the colors
[04:20:14] <danimal_laptop> yea
[04:20:20] <Tom_itx> 1A 2A would be one channel
[04:20:29] <danimal_laptop> well cool, thanks for the help
[04:20:30] <Tom_itx> you can follow it back to the 7447
[04:20:36] <Tom_itx> if you really wanted to
[04:20:40] <danimal_laptop> ah
[04:20:44] <danimal_laptop> ok
[04:20:46] <Tom_itx> no real reason to
[04:20:55] <Tom_itx> i'd put an led on them
[04:21:03] <Tom_itx> see if one is on, the other will be off
[04:21:08] <Tom_itx> if they are differential
[04:21:12] <Tom_itx> but
[04:21:21] <Tom_itx> the other pair will be switching too
[04:21:39] <danimal_laptop> so why the need for all of that stuff?
[04:22:23] <Tom_itx> pcw could probably tell you better than i
[04:22:36] <danimal_laptop> is the piece that turns a resolver or something?
[04:22:50] <Tom_itx> it's either translating the signal from the wheel or making the quadrature signal
[04:22:59] <Tom_itx> probably
[04:23:25] <danimal_laptop> do all encoders have that stuff, just done a little more efficiently?
[04:23:26] <Tom_itx> ideally you could hook up 4 leds
[04:23:29] <Tom_itx> or at least 2
[04:23:41] <Tom_itx> and see when they toggle
[04:24:05] <Tom_itx> the differential pair WILL be opposite
[04:24:10] <danimal_laptop> yea
[04:25:30] <Tom_itx> http://en.wikipedia.org/wiki/Quadrature_encoder#Single-track_Gray_encoding
[04:25:41] <Tom_itx> the other signals should overlap
[04:25:49] <Tom_itx> A B should overlap iirc
[04:25:54] <Tom_itx> and /A /B
[04:26:12] <Tom_itx> 90deg phase shift
[04:26:45] <Tom_itx> once you find the opposites, you can find the AB pairs
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[04:36:32] <Tom_itx> gnite
[04:36:51] <danimal_laptop> nite!
[04:36:57] <danimal_laptop> thanks again
[04:37:06] <Tom_itx> np
[04:37:37] <Tom_itx> is this goin on the mill or for your friend?
[04:38:58] <danimal_laptop> na, my new mill
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[04:51:50] * Eartaker goes back to adjust PID on the mill...
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[05:17:09] <alex4nder-> hey
[05:17:16] <danimal_laptop> yo
[05:17:22] <alex4nder-> how's it?
[05:17:30] <danimal_laptop> cant complain
[05:17:32] <danimal_laptop> u?
[05:17:52] <alex4nder-> good, just had a 4 course meal down at the local hipster eatery, and now I'm rocking a food coma
[05:18:08] <danimal_laptop> nice
[05:19:01] <danimal_laptop> i had 2 pieces of leftover frozen pizza
[05:19:06] <alex4nder-> nice
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[05:20:31] <alex4nder-> the problem with having a mill is thinking about all the upgrades I could do...
[05:20:40] <danimal_laptop> haha
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[05:21:33] <danimal_laptop> yea i hear ya
[05:22:11] <alex4nder-> I need some home and limit switches .. so that'll probably come next
[05:22:24] <danimal_laptop> yea those are important
[05:22:36] <danimal_laptop> do you have servos or steppers?
[05:22:57] <alex4nder-> steppers
[05:23:53] <danimal_laptop> when i had steppers, it would still home out within .001" or so with a regular reed switch
[05:24:26] <alex4nder-> cool
[05:24:45] <danimal_laptop> not too bad
[05:24:59] <danimal_laptop> do you have scales or encoders on it?
[05:25:22] <alex4nder-> yah, my backlash is like .002.. no, just a couple 166 oz/in steppers an the stock taig couplers/mounting gear
[05:25:48] <danimal_laptop> lead screws or ball screws?
[05:26:16] <alex4nder-> 20 tpi acmes
[05:27:27] <danimal_laptop> not bad backlash then
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[05:30:35] <danimal_laptop> time for bed, adios!
[05:31:19] <alex4nder-> later!
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[09:22:22] <jtektool> good morning
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[10:17:06] <mrsun> ought how to convert 1 degree 25 minutes and 60 seconds to decimal form degrees? :P
[10:17:12] <mrsun> 50 seconds
[10:20:30] <alex_joni> 25 minutes = 25/60 degrees
[10:20:35] <mrsun> 1 + 1.4166 + 0.0138
[10:20:37] <mrsun> i guess =)
[10:20:42] <mrsun> 0.4166
[10:20:46] <mrsun> not 1.4166
[10:20:53] <mrsun> alex_joni, found a pdf on it :P
[10:20:56] <alex_joni> 50 seconds = 50/60 * 1/60 degrees
[10:21:13] <alex_joni> yup, sounds right
[10:21:21] <mrsun> pdf says to use 50/3600 =)
[10:21:59] <mrsun> 1.5546 degrees, on a mt2 does that sound right? :P
[10:22:29] <alex_joni> mt2 protein?
[10:22:38] <alex_joni> http://en.wikipedia.org/wiki/Melatonin_receptor_1B
[10:23:11] <mrsun> morse taper =)
[10:25:53] <mrsun> gah why cant they use decimal degrees insted :P
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[10:26:14] <archivist> there is a list of morse and other tapers on the web somewhere
[10:26:21] <Mjolinor> :o
[10:26:35] <Mjolinor> shocked, obviously a bit of deja view going on here
[10:26:57] <Mjolinor> http://www.ebay.co.uk/itm/ER11-10MM-STRAIGHT-SHANK-L100MM-CHUCK-CNC-MILLING-LATHE-TOOL-WORKHOLDING-L29-/110786511820?pt=LH_DefaultDomain_3&hash=item19cb6403cc
[10:27:20] <Mjolinor> if I buy that is the "er11" some standard or other so any er11 collets will fit that socket?
[10:27:52] <Mjolinor> google tells me it's a standard but standards can be variable thigns sometimes :)
[10:28:01] <mrsun> hehe =)
[10:28:14] <mrsun> ER11 shouldnt be a standard if im not mistaking as you can buy sets etc named ER11 =)
[10:28:32] <mrsun> and its from ctc tools =)
[10:28:34] <mrsun> :P
[10:28:45] <archivist> er series should be a better standard than morse was :)
[10:28:47] <Mjolinor> some of htem claim to have locking rings to lock the collet into the chuck nut
[10:29:08] <archivist> that is a feature of the nut
[10:29:13] <Mjolinor> ok
[10:29:22] <Mjolinor> question answered as usual :)
[10:29:27] <Mjolinor> cheers
[10:29:46] <mrsun> Mjolinor, you know of ctctools.biz right? :)
[10:29:49] <mrsun> their webshop
[10:29:56] <elmo40> er11 is only the tooling end, not the taper. what is the taper end?
[10:29:56] <Mjolinor> nope
[10:30:14] <elmo40> or is it a fixed holder?
[10:30:15] <mrsun> sell collets etc for prices that is very good =)
[10:30:31] <Mjolinor> i dont want a taper end, I only want a straight shank to mount in bearings
[10:30:33] <mrsun> http://www.ctctools.biz/servlet/the-673/ER11-SHANK-10MM-100MM/Detail
[10:30:34] <archivist> er11 is the taper/overall collet size
[10:31:19] <Mjolinor> a la http://www.cyrom.org/palbum/main.php?g2_itemId=10674
[10:31:53] <Mjolinor> er11 is the business end I hope and that link on ebay has a parallel shaft
[10:31:59] <Mjolinor> I hope :)
[10:32:00] <archivist> I dont thing the er series is the best collet design though, bit too much overhang
[10:32:30] <Mjolinor> hmm, ok what others are there?
[10:33:14] <mrsun> check under the tool & work holding at ctc tools, they got a range of different =)
[10:33:24] <mrsun> ok maybe not
[10:33:28] <mrsun> only 5C :P
[10:33:52] <Mjolinor> too much overhang <<< please explain
[10:33:54] <mrsun> i will shut up now =)
[10:33:55] <archivist> others cost a lot more though
[10:34:16] <Mjolinor> er11 it is then :)
[10:34:18] <Mjolinor> tight me
[10:34:25] <archivist> Mjolinor, from the taper to the collet outer
[10:34:51] <Mjolinor> the internal taper?
[10:34:59] <archivist> yes
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[10:35:18] <Mjolinor> you mean the tool you need has to be too long?
[10:35:35] <archivist> has to be inserted fully
[10:35:55] <Mjolinor> the tool has?
[10:36:01] <archivist> full length of the engaged taper
[10:36:16] <Mjolinor> ok because if you dont insert fully it will go non concentric becasue the collet will squash at the top
[10:36:38] <archivist> squashes at the inner
[10:36:44] <Mjolinor> yup, understand
[10:37:11] <Mjolinor> do you know how long hte collet is or what diameter?
[10:37:25] <Mjolinor> I sort of thought it would be 11 mm diameter on the outside form the er11
[10:37:34] <Mjolinor> but that is probaly too logical for a standard
[10:37:59] <archivist> iirc it may be the max through hole
[10:38:49] <archivist> maybe not
[10:39:27] <Mjolinor> 0.71 X 0.45 inches apparently
[10:39:57] <Mjolinor> 18 X 11.5 ish
[10:39:59] <Mjolinor> mm
[10:40:18] <Mjolinor> hmm 18 is long if you have to insert your tool all the way
[10:40:38] <Mjolinor> my tools are not that long
[10:40:42] <Mjolinor> so the wife says anyway
[10:41:49] <Mjolinor> I htink I will go for it
[10:41:52] <archivist> cheap and good enough for most work, I also use morse taper collets with drawbars
[10:41:59] <Mjolinor> http://www.ebay.co.uk/itm/3pcs-ER11-CNC-Collet-Chucks-tool-bits-holder-1-8-6mm-/170746742803?pt=BI_Tool_Work_Holding&hash=item27c14c8813
[10:42:01] <Mjolinor> and those
[10:42:16] <Mjolinor> if it doesnt pan out then its £40 or so down the pan, I can live with that
[10:42:48] <Mjolinor> I will leave it a couple of hours in case soemone on here reads the history adn comes up with a good reason not ot
[10:46:24] <archivist> I sometimes work from solid so the boss on the rear fits a lathe or mill rotary
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[10:49:31] <Mjolinor> does one normally leave the collet in the nut
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[10:49:50] <Mjolinor> so I need to buy the sme number of nuts as I do collets or do the collets remove fomr the nuts easily?
[10:51:18] <awallin> normally you only need one nut, which goes with the chuck.
[10:51:40] <awallin> depends on the model, but the collects usually "click" into the nut
[10:52:49] <Mjolinor> I think generally I will only do PCBs on it so I will problay only use 1/8 cutters anyway
[10:53:12] <Mjolinor> so Ill stick with one nut and mostly one collet but will buy a 6mm collet too
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[10:53:16] <awallin> did you look at ctc tools also ?
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[10:53:23] <Mjolinor> I did
[10:53:34] <Mjolinor> well, I opened the URL then forgot about it
[10:53:36] <awallin> or maritool if you need better quality or quick delivery (at a price)
[10:53:37] <Mjolinor> I will look now
[10:54:21] <Mjolinor> I think right now as cheap as possible is the order of the day, maybe if it all works when I have built it I will improve things a bit at a time
[10:55:48] <Mjolinor> no er11 on ctctools
[10:56:50] <awallin> http://www.ctctools.biz/servlet/the-13/FULL-ER11-COLLET-SET/Detail
[10:57:26] <Mjolinor> ok, so they could do with doing soem work on their search engine methinks
[10:57:48] <Mjolinor> case sensitive search, not good that :)
[10:58:08] <Mjolinor> this is cheaper than ebay :o
[10:58:38] <awallin> I don't remember exactly, but it was at least 2 weeks delivery to europe... maybe more
[10:58:51] <Mjolinor> are they in denmark?
[10:59:07] <Mjolinor> wherever I order it now it will be middle of january before I get it
[10:59:14] <Mjolinor> unless I may 3 tiems as much that is
[11:00:26] <Mjolinor> not much info on their items, no runout figures for hte chucks and no clamp range for the collets
[11:00:54] <Mjolinor> do I need a 3mm or a 3.5 mm for 3.175 mm?
[11:05:33] <awallin> 3.5mm will most probably clamp down to 3.175mm
[11:05:44] <awallin> even a 4mm collect might (maybe?)
[11:05:59] <Mjolinor> I will emnail them I think
[11:06:06] <Mjolinor> then if it doesnt work they can sort it out :)
[11:07:20] <Mjolinor> probalem now is that I will spend hours on this site buying things to get hte % postage costs down
[11:07:30] <awallin> you want cheap prices AND support ? :)
[11:07:33] <Mjolinor> and it's your fault
[11:07:44] <Mjolinor> I want it all
[11:07:57] <Mjolinor> 15 years warranty even against my breaking them
[11:08:09] <Mjolinor> I am an english consumer, I expect gurantee for life
[11:13:09] <Mjolinor> perhaps this is why the English walk round looking grumpy, always disappointed in life
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[11:57:29] <Mjolinor> holy crap, I jsut spoke to SKF techincal about suitable bearings for this collet chuck, they want $45 each for a goddam roller bearing with a 10 mm ID
[11:57:34] <Mjolinor> £45
[11:57:49] <Mjolinor> that means these 2 bearings will cost more than the rest fo the machine put together
[11:58:04] <Mjolinor> almost :)
[12:15:19] <archivist> use some cheap chines bearings off ebay
[12:15:25] <archivist> chinese
[12:15:43] <Mjolinor> £3 each :)
[12:16:25] <archivist> as you are using cheap collets and chuck use the same quality for the bearings :)
[12:16:37] <Mjolinor> :) makes sense
[12:17:15] <archivist> you in UK?
[12:17:31] <Mjolinor> yup
[12:17:58] <archivist> you can get from uk retail quicker
[12:18:18] <Mjolinor> I just tried hte bearing factos that I have always used, they told me to ring SKF
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[12:18:29] <Mjolinor> and that options is TOOT MUCH MONEY
[12:18:31] <Mjolinor> TOO
[12:18:50] <Mjolinor> I iwll find some in my colleciton of crap proabbly
[12:19:04] <Mjolinor> it jsut gets easier to buy than it is to search as the pile gets bigger though
[12:19:58] <archivist> I know that only too well
[12:20:12] <archivist> http://www.ebay.co.uk/itm/TAPER-ROLLER-WHEEL-BEARING-METRIC-All-Sizes-/310354573663?pt=LH_DefaultDomain_3&var=&hash=item8e09601650
[12:20:20] <Mjolinor> it shoudl probably be a compulsory subject at school should that
[12:20:29] <Mjolinor> teching kids how not to collect crap and hoard things
[12:20:34] <Mjolinor> my house is overflowing
[12:21:26] <archivist> nah, collecting is normal!
[12:22:08] <Mjolinor> problem is you jsut get used to the fact that you shoudl go through it and throw it away when some small part becomes useful
[12:22:18] <Mjolinor> and you have to start persuding yoursefl all over again
[12:22:38] <archivist> you get to the barcode and database stage eventually :)
[12:22:45] <Mjolinor> like these quadrature shaft encoders I ahve jsut emplyed in this lathe, they ahve been in a box in my loft for over 20 years
[12:23:35] <Mjolinor> I am not using taper bearings, too much work to fit them. I am goin gto use plain ball roller bearings
[12:23:50] <Mjolinor> the end thrust for a PCB mill willbe finfe with balls I think
[12:25:10] <archivist> http://www.ebay.co.uk/itm/6001-ZZ-2Z-Ball-Bearing-12X28X8mm-HIGH-QUALITY-ABEC-3-/350244142530?pt=UK_BOI_Metalworking_Milling_Welding_Metalworking_Supplies_ET&hash=item518c2d7dc2
[12:26:43] <archivist> 8mm for your er11 http://www.ebay.co.uk/itm/628ZZ-MINIATURE-BALL-BEARING-628-ZZ-8-X-24-X-8MM-/220288973492?pt=LH_DefaultDomain_3&hash=item334a3efab4
[12:27:18] <awallin> for pcb-milling, are you going to spin that at 20krp or something similar?
[12:27:22] <awallin> krpm
[12:27:29] <Mjolinor> about there i reckon
[12:27:39] <Mjolinor> I was going to go with 8 mm internal
[12:27:47] <Mjolinor> that gives me around a 22 mm external
[12:27:55] <awallin> better be all balanced and good bearings then..
[12:27:59] <Mjolinor> sothe mass of themoving bit will be low so it stops adn starts faster
[12:28:20] <Mjolinor> I have seom 8mm internal, I found one and kjnbow there are more soemwehre so I will use those#
[12:31:11] <Mjolinor> maybe it owuld be prudent to fire it up the first itme in a beer barrel buried in the garden
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[14:21:51] <Gast254> alex_joni: hello?
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[15:35:37] <ej> hello
[15:35:51] <ej> any chance of getting g-coding help?
[15:36:42] <ej> I'm trying to write a generic hole milling subroutine, but I keep getting "trying to divide by zero" and can't find the logic why
[15:37:15] <ej> the error comes in a line: "#11 = fix [#3 / #5] (repeats)"
[15:38:19] <ej> and if I change the #5 to a number, the line works ok
[15:39:32] <ej> also, "F[#6]" doesn't work. I get "cannot do g1 with zero feed rate"
[15:39:46] <ej> I'm starting to assume that #5 -> doesn't work properly
[15:50:37] <cradek> are the values of #5 and #6 nonzero?
[15:52:50] <ej> (MAIN)
[15:52:50] <ej> G90
[15:52:50] <ej> G21
[15:52:50] <ej> o02 call [0][0][-10][100][1][200]
[15:52:50] <ej> M2
[15:53:24] <ej> if you wan't I can copy-paste the whole routine
[15:53:32] <cradek> put it in pastebin, not here
[15:53:35] <cradek> put the url here
[15:53:49] <ej> how? :) never used it
[15:54:14] <cradek> go to pastebin.com, paste there, hit submit, copy the resulting url here
[15:55:54] <ej> http://pastebin.com/4FGP5VDS
[15:58:28] <ej> the code worked some time ago, and I'm assuming it broke after an update
[15:58:58] <cradek> what version do you have?
[16:01:01] <ej> 2.4.6
[16:01:48] <ej> I didn't note the version when the code worked
[16:05:48] <cradek> simplified: http://pastebin.com/BU7i7fp3
[16:06:03] <cradek> now, what are we missing!?
[16:08:44] <ej> I don't quite follow you
[16:10:43] <ej> what do you mean?
[16:10:56] <ej> (sorry, dinner now)
[16:24:51] <ej> back
[16:25:32] <ej> Any ideas?
[16:27:05] <Loetmichel> FEIERABEND
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[16:28:01] <Loetmichel> oh, sorry, amsg. i meant: "end of work, on my way home"
[16:33:30] <ej> cradek?
[16:36:57] <jdhNC> did you try adding (debug) lines to your sub to see if 5 and 6 values are being passed correctly?
[16:38:36] <jdhNC> http://linuxcnc.org/docs/html/gcode_main.html#G%20Code%20Debugging%20Messages
[16:39:48] <ej> not yet, I'll try that one
[16:43:16] <cradek> jdhNC: http://pastebin.com/BU7i7fp3
[16:43:45] <cradek> either I'm missing something and doing something obviously wrong, or subroutine argument passing is broken
[16:44:33] <jdhNC> I can't run it from here.
[16:48:53] <ej> do I understand correctly, that with the debug messages, axis should write the value of #3 in the gcode list at the bottom of the window?
[16:49:06] <ej> ..in the (debug, message #3 whatnot)
[16:51:09] <jdhNC> yes
[16:52:05] <ej> ..and because I only see "#3" as such, the debug function doesn't work properly?
[16:53:28] <jdhNC> (debug, param 5:#5)
[16:55:27] <ej> do I have to set emc2 to some debug mode for this?
[16:55:54] <Mjolinor> What CAD programmes do you people use under Linux
[16:56:09] <Mjolinor> I installed Freecad and tried to go through the tutorials but they make little sense
[16:56:42] <Mjolinor> I am very intolerant of tutorials wher ehte outcome of an instruciton is not what the tutoirial says it is
[16:58:47] <syyl> i use qcad on my emc machine...
[16:58:57] * Mjolinor goes off to search
[16:59:01] <syyl> but not for anything complicated
[17:00:12] <Mjolinor> freecad does seem to be quite capable but if I can't find instruciotns I can't learn it :)
[17:01:01] <syyl> for engineeringtasks i use Solid Edge/proEngineer
[17:01:12] <syyl> but both are windows only
[17:01:22] <Mjolinor> I have used solidworks for years
[17:01:38] <Mjolinor> but no way will it run under linux and I have an XP machine and that is all it does
[17:01:59] <Mjolinor> but using windos is (for me) more like a tourrettes syndrome personality test
[17:02:13] <Mjolinor> it stresses me adn makes me extremely crabby
[17:02:26] <Mjolinor> and it teaches my children words they shoudl not know
[17:04:06] <syyl> for me, it works fine
[17:04:07] <syyl> ;)
[17:04:20] <Mjolinor> solidworks does
[17:04:21] <syyl> at work i have to deal with xp/proE too
[17:04:26] <Mjolinor> but windows
[17:04:29] <syyl> no problems... :D
[17:04:58] <Mjolinor> I have to turnt he machine on 3 days before I want to use it so that it can update adn reboot lots fo times before I can actually get it to run solidworks
[17:05:54] <syyl> here its more like
[17:06:00] <syyl> turn on and start to work ;)
[17:08:21] <jdhNC> this computer (windows) has been asking me to reboot for 2 weeks. Someday I'll give in and click ok
[17:10:40] <syyl> hrhr
[17:10:53] <syyl> in my mind xp is a pretty robust system to use..
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[17:15:41] <maximilian_h> Hello
[17:16:19] <maximilian_h> is there a way to tell with 2.5 if the machine is in the acceleration or deacceleration phase of the move ?
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[17:18:34] <jdhNC> wonder if anyone mines pastebin
[17:21:16] <danimal_laptop> you just need a better computer, i have soliworks open right now and the computer is working fine
[17:21:26] <danimal_laptop> forgot it was open actually
[17:21:53] <Mjolinor> It does work fine, it's windwos that is the probnlem
[17:21:56] <danimal_laptop> and this is a cheap laptop i got like 4 years ago
[17:21:56] <Mjolinor> I dont use it enough
[17:22:12] <Mjolinor> so when I do turn it on it spends daya installing updates
[17:22:29] <danimal_laptop> turn off automatic updates?
[17:22:36] <Mjolinor> and windwos is generally bloody awful to use
[17:22:54] <danimal_laptop> easier than linux
[17:22:59] <Mjolinor> it's very easy to learn but terrible to actually do things with
[17:23:01] <syyl> opinion against opinion ;)
[17:23:09] <Mjolinor> not easier than linux by a long long way
[17:23:23] <danimal_laptop> for basic tasks, it definitely is
[17:23:54] <danimal_laptop> installing programs, running programs, installing hardware, etc
[17:24:33] <Mjolinor> try openeing a texzt file with 200,000 lines of text in and delete from line 147,342 to line 166,778 in windows and hten try it in linux
[17:24:39] <Mjolinor> then tell me which one is easier
[17:25:09] <Mjolinor> I dont even think you can do that in windows :)
[17:25:09] <jdhNC> does linux have and editor?
[17:25:14] <Mjolinor> yup
[17:25:20] <Mjolinor> it has lots of editors
[17:25:30] <danimal_laptop> normal people dont do that, but i'm sure you can find a program for windows that would do that just fine
[17:25:36] <jdhNC> sed for windows
[17:25:45] <jdhNC> or just install cygwin
[17:25:45] <Tom_itx> pn should
[17:25:49] <Mjolinor> to do that particular task you woudl use Vi and it takes maybe 10 key presses to do that
[17:27:06] <syyl> thats no windows problem
[17:27:12] <syyl> its the software delivered with windows
[17:27:19] <syyl> little difference...
[17:27:28] <danimal_laptop> ok, you can have your text editor, i'll have my computer that installs drivers automatically for most hardware, and runs solidworks, mastercam, and any other program i can think of, properly.
[17:27:30] <danimal_laptop> :)
[17:27:34] <Mjolinor> I dont think anythign for windwos will open a text file that big
[17:27:39] <Mjolinor> ultraedit may
[17:27:56] <Mjolinor> anyway, I am not going to persuade anyone here, Ill stick with what I like :)
[17:28:01] <jdhNC> I'll just continue ot use both.
[17:28:19] <danimal_laptop> jdhNC: same here, i use it for emc2
[17:28:21] <Mjolinor> I think you have to use both, Linux will not do everyting
[17:28:44] <Tom_itx> yup PN does it just fine
[17:28:56] <Tom_itx> with 2 mouse clicks
[17:28:59] <syyl> same here, linux only for emc2 ;)
[17:29:08] <jdhNC> if you are going to be that fanatic about it, you should call it GNU/Linux
[17:29:18] <syyl> cad/cam/everything else windows :D
[17:30:23] <danimal_laptop> not that i dont appreciate or respect the open source world, but for what i do (which is very little), windows is just easier
[17:30:45] <Tom_itx> i use both where needed
[17:30:53] <Tom_itx> i don't care what gets the job done
[17:31:54] <danimal_laptop> i'm the 99% that just reads emails and surfs the web.
[17:32:07] <Mjolinor> :)
[17:32:17] <danimal_laptop> plus the occasional cad/cam work
[17:32:31] <Mjolinor> I earn my living on embedded systems and nothing Micro$haft do will work there
[17:32:49] <Tom_itx> danimal_laptop did you get any further on the pendant?
[17:32:52] <jdhNC> wince/xp-embedded!
[17:33:22] <Tom_itx> jog wheel.. whatever
[17:33:37] <danimal_laptop> Tom_itx: nope, went to bed
[17:34:09] <Tom_itx> does the power go out to the DB9 connector?
[17:34:11] <Mjolinor> I got my manual controls working :)
[17:34:16] <Mjolinor> it took a while
[17:34:37] <danimal_laptop> Tom_itx: yea, i identified the power connections
[17:34:50] <Tom_itx> you're 98% done then
[17:34:52] <danimal_laptop> i think it's figured out
[17:34:54] <danimal_laptop> yea
[17:35:29] <danimal_laptop> i just need to get a new db15 connector so i can solder the new cable on
[17:35:41] <Tom_itx> oh was it a 15 pin?
[17:35:48] <Tom_itx> game connector...
[17:35:52] <danimal_laptop> just a little more work to go before i can button up the control
[17:36:06] <danimal_laptop> Tom_itx: i thought it was more than 9
[17:36:20] <danimal_laptop> there were 6 wires with a fair amount of empty pins
[17:36:28] <Tom_itx> 9 is serial, 15 is the old game port iirc
[17:36:34] <danimal_laptop> vga
[17:36:40] <Tom_itx> mm
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[17:37:05] <danimal_laptop> ah you were right
[17:37:08] <danimal_laptop> its 9
[17:37:14] <Tom_itx> those are easy to find
[17:37:29] <danimal_laptop> yea, radio crack down the street
[17:38:03] <Tom_itx> my local guy keeps bins of most commons sizes with hoods etc
[17:38:24] <Tom_itx> doesn't have much else nowdays
[17:38:47] <danimal_laptop> we have a super huge mega warehouse store for electronics, they have a pretty vast supply of components
[17:39:01] <danimal_laptop> i get most stuff there
[17:39:26] <jdhNC> we have a radio shack that only wants to sell you cell phones
[17:39:41] <danimal_laptop> they're all like that jdhNC
[17:39:50] <danimal_laptop> sadly, i fell for it and got mine there
[17:40:12] <Tom_itx> yup kindof a shame
[17:40:30] <danimal_laptop> i did get a cheap plan though, cheaper than i found online
[17:40:57] <danimal_laptop> yea, radio shack used to have a ton of electrical components
[17:41:14] <danimal_laptop> mosfets, caps, resistors, diodes, rectifiers, etc
[17:41:32] <jdhNC> the ones here have 4 sets of drawers of semi-useful stuff, that's it.
[17:41:48] <danimal_laptop> thats more than here\
[17:41:57] <syyl> happy guys..
[17:42:04] <syyl> i have to get everything by mail order
[17:42:23] <danimal_laptop> that sucks
[17:43:34] <danimal_laptop> i even get 25 conductor stranded sheilded 24ga cable at the super mega store down the road
[17:43:52] <danimal_laptop> or 24 conductor, i forgot
[17:44:54] <danimal_laptop> do you guys ever wire all your limit switches to the same input pin?
[17:45:41] <danimal_laptop> i may be low on inputs, wondering if i should just do that
[17:46:15] <jdhNC> I don't, but don't really see a big downside
[17:46:21] <danimal_laptop> the only thing is it wouldnt tell me which limit it hit, but it should be fairly obvious
[17:46:36] <Mjolinor> all of hte parallel ports I have looked at over the last few weeks have worked with 1 14 16 17 as inputs
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[17:54:35] <IchGucksLive> Hi all
[17:55:55] <danimal_laptop> i guess my little cnc router cuts wood ok, i just went 3/4" DOC with a 1/8 endmill at 30ipm and it cut great
[17:56:08] <danimal_laptop> 1/4" endmill*
[17:57:27] <IchGucksLive> so no chees router anymore
[17:58:54] <alex4nder-> hey
[17:59:11] <jdhNC> I thought you were selling it to your disciple.
[18:00:18] <IchGucksLive> disciple dont need this they shousdt build there own
[18:01:50] <danimal_laptop> jdhNC: i have it on craigslist, someone emailed me and asked if it would cut wood
[18:02:04] <danimal_laptop> so i tried it
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[18:23:35] <alex4nder-> I want an all singing, all dancing, delta robot.
[18:23:59] <syyl_> i want a robot that brings me my beer...
[18:24:57] <alex4nder-> so you want a Bender unit
[18:25:02] <alex4nder-> unfortunately it will also drink your beer
[18:25:25] <syyl_> hmm
[18:26:00] <danimal_laptop> ha
[18:26:06] <syyl_> good but not perfect :D
[18:27:41] <Mjolinor> http://www.youtube.com/watch?v=9vwZ5FQEUFg
[18:27:47] <Mjolinor> get one of those if you are rich enough
[18:29:05] <syyl_> to useless for me :D
[18:29:23] <syyl_> thats how it works
[18:29:24] <syyl_> http://www.youtube.com/watch?v=SP4LG64lUeA
[18:29:26] <syyl_> ;)
[18:29:26] <Mjolinor> also of use but too expensive, get a wife
[18:29:41] <syyl_> been there, done that ;)
[18:29:55] <Mjolinor> I'll take that as a NO then
[18:30:16] <syyl_> two industrial robots may be cheaper on a long term basis ;)
[18:32:46] <Mjolinor> one could die of thirst waititng for those robots to serve you in a bar
[18:33:14] <syyl_> we bavarians are patient ;)
[18:34:42] <danimal_laptop> who keeps letting in all these germans :)
[18:35:06] <syyl_> there was no sign at the door...
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[19:28:39] <IchGucksLive> syyl_: kuka robot for beer serving
[19:29:04] <IchGucksLive> i think this is gone bee the projekt for the next open day on my university
[19:29:16] <IchGucksLive> but wit 3 kukas
[19:29:30] <IchGucksLive> Gn8 late here
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[20:05:05] <Danimal_garage> sweet, i think i found someone to buy my desktop mill
[20:05:46] <Tom_itx> the on on cl?
[20:07:43] <Danimal_garage> yea
[20:08:05] <Danimal_garage> couple people interested in it, one guy is supposed to come get it in 2 days
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[21:33:13] <Loetmichel> *hrm*... got a bad z axis driver yesterday... no i have borrowd a complete 4 axis driver from a friend...
[21:33:47] <Loetmichel> so i dismantled the CNC, to rewire the z-limit-switch (with has killed the axis driver)
[21:34:28] <Mjolinor> hmm, not having much luck there
[21:34:31] <Loetmichel> ... done... ( and got about 5cm high swaf and oil mix out of the colum... -> http://www.cyrom.org/palbum/main.php?g2_itemId=12539
[21:34:59] <Loetmichel> swarf
[21:35:31] <Loetmichel> column backplate back on: http://www.cyrom.org/palbum/main.php?g2_itemId=12542&g2_imageViewsIndex=1
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[21:36:28] <Loetmichel> new back plate for the mill made of 9mm "siebdruckplatte" ( the kind of plywood you find on Truck beds) -> http://www.cyrom.org/palbum/main.php?g2_itemId=12545
[21:37:26] <Loetmichel> ... sometimes useful, such a level-app for Smartphones... -> http://www.cyrom.org/palbum/main.php?g2_itemId=12548
[21:37:55] <Loetmichel> rewireing at the moment.... -> http://www.cyrom.org/palbum/main.php?g2_itemId=12551
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[23:53:11] <Loetmichel> anyone here who knows the "China" TB6560 stepper drivers? i have a little problem: where does that noise com from? with L297/L298 and the same 24VPSU it runs perfectly smooth ... -> http://www.cyrom.org/pce/Knurren.avi (8.2MB)
[23:58:36] <jdhNC> pulse with set right? current set jumpers right? full-stepping? they sound underdriven?
[23:58:51] <jdhNC> your's looks getter than mine
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