#linuxcnc | Logs for 2012-05-28

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[00:20:48] <robin_sz> mine is intolerant
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[01:30:22] <jymmm> wire coil wrapping machine http://www.youtube.com/watch?v=ferjLqbB0WE
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[01:32:38] <andypugh> How the heck does that work?
[01:33:06] <jymmm> andypugh: No idea, thought it was interesting though. It's like "How they do that?" =)
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[01:33:27] <jymmm> Cord winding machine http://www.youtube.com/watch?v=E23RdxPhsf8
[01:33:45] <andypugh> I wonder if it wraps with cut lengths?
[01:34:13] <jymmm> I see it being feed from the inside, then the big wheel wraps it.
[01:34:37] <Valen> it must prewind a section onto itself
[01:34:45] <jymmm> OH, the "wheel" isn't not solid, more like crescent shaped
[01:34:47] <Valen> onto the big wheel
[01:35:01] <jymmm> watch when the load the coil
[01:35:25] <r00t4rd3d> hook some fishing line to it and a lure
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[01:36:01] <Valen> why the hell would somebody make that second one lol
[01:36:29] <r00t4rd3d> i imagine large companies just pay sweat shop workers to do this
[01:36:32] <jymmm> Valen: you ever try coiling 2000 cables a day?
[01:37:09] <Valen> I presume the person who solders the end onto the cable would coil it up
[01:37:44] <jymmm> Valen: most connectors are molded on, nothing to solder
[01:38:21] <jymmm> http://www.youtube.com/watch?v=czk8abNEwIc&feature=relmfu
[01:38:26] <andypugh> Ah, I think I get the first one now. It winds half onto the wire coil, and stores the bight on the rollers, then at the half-way point the tape is cut, and it unloads the rollers..
[01:38:29] <Valen> oh the wire packing system I think they run it around the rollers for a while building up a length onto the crescent, then they cut it off from the loader, and let it unspool off the cresent
[01:38:57] <Valen> looks like they get less than a half of the coil done
[01:39:12] <Valen> I'm suprised they didn't just put the spool onto the crescent
[01:39:25] <andypugh> Yeah, I guess that it comes down to the ratio of big-loop size to wire coil size.
[01:40:10] <jymmm> http://www.youtube.com/watch?v=CSMLmIjnnGc&NR=1&feature=endscreen
[01:40:34] <jymmm> http://www.youtube.com/watch?v=FaDCRaJpEto&feature=endscreen&NR=1
[01:42:27] <andypugh> Now I know how they make that sort of thing so incredibly difficult to _un_wrap.
[01:42:39] <andypugh> Night all
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[01:42:49] <jymmm> andypugh: Nothing a razor blade can't resolve =)
[01:44:25] <jymmm> Ok, this is kinda impressive http://www.youtube.com/watch?v=UKly_N1bH-s&feature=related
[01:44:58] <jymmm> how the hell they START the coils and START the wrap, I have no idea
[01:46:09] <jymmm> coil it, wrap it, shrink wrap it, stack it, and band it. eeeeesh
[01:52:06] <r00t4rd3d> i do that before sex
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[02:01:24] <Tom_itx> aarg
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[02:16:30] <tom3p> dgarr? dewey garret? was looking for some adjustable eccentrics and came across this chuck http://www.vicmarc.com/downloads/Vicmarc%20Escoulen%20Manual.pdf
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[02:55:55] <puff> Evening.
[02:56:51] <puff> I'm looking at the fireball v90, so far reviews have been very positive, which makes me wonder what I'm missing :-)
[03:00:22] <ReadError> guy here recently did one
[03:00:27] <ReadError> havnt seen him in a bit tho
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[03:03:38] <joe9> ReadError: which edge finder did you end up buying?
[03:09:04] <FinboySlick> Well, time for me to go watch Smokey and the Bandit.
[03:09:10] <FinboySlick> I don't think I ever have.
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[03:10:49] <puff> Hm, I wonder how well the v90 would cut oak.
[03:27:33] <r00t4rd3d> you could do aluminum on it
[03:27:49] <r00t4rd3d> slowly
[03:29:00] <r00t4rd3d> with the right spindle/router and bit
[03:31:59] <jymmm> $1300 for that?! I could easily sell mine for much more then, cool!
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[03:38:37] <r00t4rd3d> the v90 is only 599
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[03:39:08] <r00t4rd3d> unless you get all the extras
[03:41:56] <r00t4rd3d> https://www.inventables.com/technologies/cnc-mill-kits-shapeoko
[03:42:04] <r00t4rd3d> puff have you seen that?
[03:48:14] <ScribbleJ> So... linuxcnc... I start it up, turn off the estop, turn on the power button thing, I can jog the motors immediately... but no matter what I've done, hitting the spindle clockwise button has no effect and my spindle never goes.
[03:53:22] <ScribbleJ> I guess that's not a very good question, huh.
[03:54:00] <ScribbleJ> How do I make sure that LinuxCNC is PWMing the pin I've requested short of dragging out a scope? There doesn't seem to be any indicator of supposed spindle speed, unlike the XYZ location
[03:59:37] <jdhNC> you can see it in halmeter, or with a pyvcp panel (requested spindle speed)
[04:00:47] <jdhNC> but, that doesn't mean it is on the pin you expect. A digital meter should read 0-5v based on duty cycle
[04:02:40] <ScribbleJ> Allr ight. I'll play with it more tomorrow.
[04:03:13] <ScribbleJ> That sounds like just the answer I wanted though, thanks - halmeter and pyvcp panel.
[04:03:53] <ScribbleJ> I just want to make sure LinuxCNC is doing what I ask, then it's narrows the problem to being what I'm asking it to do vs. what it's supposed to do to drive my spindle.
[04:04:12] <ScribbleJ> I bought some cheap chinese stuff and the extra price I'm paying is the time involved in figuring it out. :)
[04:05:53] <jdhNC> everything is a trade off
[04:06:37] <jdhNC> I've been grinding on a ballscrew nut with a 4" angle grinder. I'd feel worse about it if it were an expensive non-chinese nut
[04:06:52] <ScribbleJ> Why? Why? Why?!
[04:07:24] <Tom_itx> ppl use chainsaws to make art
[04:07:36] <Tom_itx> it's all in the hands of the operator
[04:08:03] <jdhNC> art! yeah, I"m making ballscrew nut art!
[04:14:10] <ScribbleJ> Hahaha
[04:14:18] <ScribbleJ> I'm skeptical of this claim.
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[04:15:18] <ScribbleJ> I'm thinking, you don't change the speed of the spindle too often while you're running atool really. If I can't solve it in the immediate future I can set the spindle speed manually on the controller.
[04:15:45] <ScribbleJ> That's two different thoughts, for the record. The claim I'm skeptical of is the ballscrew nut art. :P
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[04:41:30] <jdhNC> does it turn on and off automatically?
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[05:01:07] <ScribbleJ> jdhNC, my spindle? Nope.... I can control it from the controller board's attached control panel, but nothing I've done in LinuxCNC effects it - I'd think at least some settings would easily get it to turn on at full speed, but so far I got nothing.
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[05:03:10] <jdhNC> is the controller a single db25 input? Any breakouts in there or all just wired the way they wanted?
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[05:35:50] <ScribbleJ> jdhNC, I probably missed you by now... but the controller is a big box with at least three boards in it. One of them is the VFD for the spindle... it all connects to the PC through a single parallel port and I have the docs and some photos that came with it if it's a mystery you feel like trying to solve. :)
[05:36:34] <ScribbleJ> the mach3 setup shows that you setup pins 16+17 for the spindle 'step' and 'dir' and then in the spindle config you choose pwm mode.
[05:37:44] <archivist> do you have a real scope to see what is coming out of those pins
[05:37:51] <ScribbleJ> I have a real scope!
[05:38:09] <ScribbleJ> But tomorrow will be the soonest I have the energy to go apply it to the problem. :)
[05:38:12] <jdhNC> does mach do pwm for that, or just step freq?
[05:38:45] <ScribbleJ> hang on -- if ya'll are interested, here's the documentation I have: http://scribblej.com/setup-help-u.pdf
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[05:39:49] <ScribbleJ> Relevant data is page2, it shows pinout, but the pinouts for 16, 17 make little sense, and pg 17-18 shows mach3 config
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[05:40:27] <archivist> have you setup pwmgen yet?
[05:41:27] <archivist> http://linuxcnc.org/docs/html/examples/spindle.html
[05:42:10] <archivist> paragraphs 2 and 3
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[05:42:22] <ScribbleJ> I haven't seen that page at all... that looks helpful...
[05:42:48] <ScribbleJ> I've only used stepconf to do anything so far. Thanks for that link.
[05:44:17] <archivist> step conf should have produced something like that except for pins 15,17 so you can review it etc
[05:44:27] <archivist> 16,17
[05:44:31] <ScribbleJ> Yeah.... I was wondering how to dig deeper. This is helpful.
[05:58:47] <alex4nder-> hhey
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[06:14:35] <jymmm> ScribbleJ: With LinuxCNC, you can dig all the way to china!
[06:15:54] <ScribbleJ> My Z axis is only 5"
[06:16:03] <ScribbleJ> :P
[06:16:11] <jymmm> that's what she said
[06:16:15] <ScribbleJ> Doh!
[06:18:51] <ScribbleJ> I've written my own firmware for 3D printing which I use exclusively so hacking on linuxcnc is probably right up my alley.
[06:18:59] <ScribbleJ> But... I'm stillnew to this community. :)
[06:19:19] <jymmm> Eh, you'll fit in just fine =)
[06:20:08] <jymmm> 3D printing hot glue type stuff?
[06:20:48] <ScribbleJ> I'm backwards learning like you. :)
[06:21:02] <ScribbleJ> Well, you /could/ think of it like a little hot glue gun on a 3axis machine.
[06:21:20] <ScribbleJ> I pretty much have exclusively printed withPLA for the last year though.
[06:22:16] <jymmm> Peoples Liberation Army or the powder shit?
[06:22:31] <ScribbleJ> Hahaha, PLA = corn-based plastic. Nicer than ABS
[06:23:06] <jymmm> brittle isn't it?
[06:23:27] <ScribbleJ> Well, I think it's pretty strong, but PLA is more brittle than ABS, yes.
[06:24:18] <ScribbleJ> I've also been working ona light-curable resin-based 3D printer, like with a DLP projector, but I need to work on it more to have good results.
[06:24:39] <jymmm> I'm not too fond of brittle polymers.
[06:25:07] <jymmm> Uh DLP? Due to it's intensity?
[06:25:30] <ScribbleJ> DLp because it's a nice way to project an entire layer at once rather than using a laser and having to move it in X/Y
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[06:26:08] <ScribbleJ> also because a slightly modified standard DLP puts out enough UV to cure UV resin, but I think UV resin is a botch and visible-light frequencies are the way to go.
[06:26:38] <jymmm> Heh, you havne't played with UV stuff then, it's DA BOMB!
[06:26:47] <ScribbleJ> I have played with UV stuff...
[06:27:21] <ScribbleJ> I'm sure it's fun overall but when you're trying to make a good 3D printer out of commodity parts, using 405nm instead of 380 makes things much easier.
[06:28:13] <jymmm> 405nm, that'a tad low
[06:28:36] <jymmm> is that blueray modeule?
[06:29:30] <ScribbleJ> yeah, 405 woudl be blueray, but you can hit it well with an unmodded DLP
[06:29:49] <ScribbleJ> You can hit 380 with a DLp if you remove all the filters.
[06:30:08] <ScribbleJ> Well if it has a xenon bulb... not so much with the new LED ones.
[06:30:26] <jymmm> I'll stick with my 30W CO2 tyvm =)
[06:30:36] <ScribbleJ> That's a whole different type of machine.
[06:30:52] <jymmm> Yes, yes it is =)
[06:30:56] <ScribbleJ> I've got a 50W CO2... it's nice, but I hope it doesn't get neglected now that I have a CNC'd router
[06:31:27] <jymmm> heh
[06:31:42] <jymmm> what 50W do you have?
[06:31:44] <ScribbleJ> What laser do you have?
[06:31:45] <ScribbleJ> Hahah
[06:32:00] <jymmm> i asked first biotch!
[06:32:22] <ScribbleJ> Mine's a cheapass chinese import. I think it really works well, set me back $3k but beats the $10k epilog at our local hackerspace. Hang on, I'll give you alink.
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[06:32:47] <ScribbleJ> http://www.ebay.com/itm/CO2-LASER-ENGRAVING-MACHINE-ENGRAVER-CUTTER-AUXILIARY-ROTARY-DEVICE-50W-NEW-w-/260919607158?pt=LH_DefaultDomain_0&hash=item3cc0053f76
[06:32:51] <jymmm> ULS M-300
[06:32:58] <ScribbleJ> That one, ignore the shipping, it's about $2800 regardless.
[06:33:33] <ScribbleJ> 24x12: nice!
[06:33:50] <ScribbleJ> Your shas auto focus?
[06:34:05] <jymmm> yes
[06:34:11] <ScribbleJ> that's nice!
[06:34:29] <ScribbleJ> Yours looks really sweet.
[06:35:29] <jymmm> I enjoy it. Didn't come with air assist, so I'm working on adding that
[06:36:15] <ScribbleJ> Mine has the air assist, it's a nice thing to have I guess but I still managed to set the workpeice on fire once pretty good.
[06:36:54] <jymmm> air isn't for fire supression, it's to displace material
[06:37:37] <ScribbleJ> Oh? Hrm.
[06:37:51] <jymmm> I also have a 40lb nitrogen tank that I'm working on for fire supression in the cabinet
[06:37:52] <ScribbleJ> I've never worked without it so I don't really appreciate I suppose.
[06:37:58] <ScribbleJ> Oh, now that's fancy.
[06:38:16] <ScribbleJ> How would you make that work? Like a trigger that detects a fire and just opens the valve on the thing?
[06:38:52] <jymmm> could use a plain old fire sprikler, or a heat sensor
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[06:41:27] <jymmm> ScribbleJ: Have you not seen the results of a laser fire? http://i37.tinypic.com/sqh6r7.jpg
[06:41:37] <ScribbleJ> YIKES
[06:41:43] <jymmm> http://i36.tinypic.com/119nhbp.jpg
[06:41:50] <ScribbleJ> I have a friend who said he had to replace most of his laser after a fire.
[06:42:01] <jymmm> http://i36.tinypic.com/27y5n2d.jpg
[06:42:12] <ScribbleJ> I always watch mine while it's going so when it started flaming I cuahgt it fast enought o avoid damage.
[06:42:18] <jymmm> http://i34.tinypic.com/eldwly.jpg
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[06:42:30] <ScribbleJ> DANG
[06:42:35] <ScribbleJ> That's horrible
[06:43:02] <jymmm> She just went to the door to sign for a UPS package after she had ran 17 jobs exactly the same before. Was gone no more than 2 minutes.
[06:43:05] <ScribbleJ> Amazing and horrible
[06:43:09] <ScribbleJ> What
[06:43:12] <ScribbleJ> No fucking way 2 minutes.
[06:43:18] <jymmm> MAybe 4
[06:43:34] <ScribbleJ> Skeptical!
[06:43:54] <ScribbleJ> there's two fire extinguishers INT HE PHOTO
[06:43:57] <jymmm> And becasue she ran this out of her home, it was not covered under her home insurance, $34,000 to replace it.
[06:44:00] <ScribbleJ> The only way this happens is gross negligence
[06:44:20] <jymmm> She was cutting/engraving plastics.
[06:44:21] <ScribbleJ> What?
[06:44:33] <ScribbleJ> I sure hope if my laser burns down my home insurance will cover it.
[06:44:39] <ScribbleJ> I guess I'd better call and ask them.
[06:45:05] <Connor> If you run it out of your home and you have a business, better make sure you have business insurance..
[06:45:13] <jymmm> Never walk away from a laser in operation. Hit PAUSE or whatever.
[06:45:45] <Connor> Lucky her house didn't burn down by the looks of that thing.
[06:45:53] <jymmm> Now you know why I'm looking at nitrigen supression.
[06:46:00] <jymmm> Connor: No shit.
[06:46:03] <ScribbleJ> yeah, but sheesh.
[06:46:16] <ScribbleJ> I'm not buying the 2-4 minute story.
[06:46:28] <ScribbleJ> half an hour seems like 4 minutes when you're busy.
[06:46:29] <Connor> plastic can burn, QUICK
[06:46:35] <jymmm> See all that black soot, that's a petrolium fire.
[06:46:57] <ScribbleJ> All right, well.
[06:47:11] <ScribbleJ> At least I'm even more detemined not leave my laser unattended.
[06:47:16] <jymmm> ScribbleJ: NEVER underestimate the speed of a fire. You have to realize there is an exhaust blower to fee that fire running too
[06:47:25] <ScribbleJ> True
[06:47:44] <jymmm> Which is usually a dust collector
[06:47:58] <jymmm> glorified leaf blower
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[06:48:22] <ScribbleJ> http://www.flickr.com/photos/13723140@N04/6903776150/in/photostream
[06:48:29] <ScribbleJ> Oh... hang on, you'll like this
[06:48:40] <ScribbleJ> http://www.flickr.com/photos/13723140@N04/7080853883/in/photostream
[06:48:42] <ScribbleJ> Heheheh
[06:49:18] <ScribbleJ> Glorified leaf blower! :P
[06:49:28] <jymmm> Uh... you should be running at least 400CFM @ 4" SP I'd suspect.
[06:49:42] <ScribbleJ> I dunno what CFM of SP are/
[06:49:55] <jymmm> CFM == cubic feet per minute
[06:50:09] <jymmm> SP = Static Pressure
[06:50:45] <jymmm> That fun might be 200CFM @ 0.5" SP
[06:50:47] <ScribbleJ> I know all those words, but 400CFM @4SP still means nothing to me. :(
[06:50:50] <jymmm> That fan might be 200CFM @ 0.5" SP
[06:51:29] <ScribbleJ> What I can tell you is this: there's about 25' of tube on that fan, before the laser and it's fan, and if the laser is off and I turn on that fan, the laser's fan starts spinning from the force.
[06:51:58] <ScribbleJ> So I figure it's cool.
[06:51:59] <ScribbleJ> heh
[06:52:11] <ScribbleJ> Hey....
[06:52:20] <jymmm> the purpose of the exhaust is to save the optics in the laser.
[06:52:44] <ScribbleJ> that reminds me, I bet you or one of the linuxcnc guys would know... my laser and my router are both water-cooled and the router's pump is completely useless so I'm using the laser's pump on both
[06:53:03] <jymmm> not at the sam etime I hope
[06:53:04] <ScribbleJ> where do I find a second pump that's suitable for this sort of application? Seems a lot heftier than a fishtank pump.
[06:53:10] <ScribbleJ> No, one at a time. :)
[06:53:39] <jymmm> all those china stuff just use fish pumps that I've ever seen
[06:54:06] <ScribbleJ> Hrm, both of these are submerged pumps, much bigger than fishtank pumps I have seen.
[06:54:10] <jymmm> if it's just cooling, you just need volume, not pressure
[06:54:28] <jymmm> sump pump
[06:54:53] <ScribbleJ> Where are you located, jymmm ? Not related to the current conversation.
[06:55:08] <jymmm> Calif
[06:55:18] <ScribbleJ> I guess I will do some searching, just thought someone might know some particular product. :)
[06:55:30] <ScribbleJ> Ah, I'm near Chicago.
[06:56:14] <jymmm> any hardware store has sump pumps. http://www.harborfreight.com/catalogsearch/result?q=sump+pump
[06:56:40] <jymmm> grainger, McMaster, home depot, lowes, etc
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[06:57:16] <ScribbleJ> Of course. That's a good link, and a good idea, I think. But how do I tell what size hose I can connect to that sump's water output?
[06:57:47] <ScribbleJ> And how would I tell wether 2800gph is similar to the pump I have, which is quite appropriate?
[06:57:58] <ScribbleJ> I guess I could do an experiment and time it... bother...
[06:58:28] <ScribbleJ> For the record, that looks like a LOT more than my pump, physically.
[06:58:49] <jymmm> 2800 GPH == 47GPM ~= 1GPS
[06:59:06] <ScribbleJ> http://www.flickr.com/photos/13723140@N04/7032972937/in/set-72157629705782797 You can kind of see the pump I'm suing here, in a 5gal bucket.
[06:59:21] <ScribbleJ> http://www.flickr.com/photos/13723140@N04/6949120280/in/set-72157629705782797
[06:59:41] <ScribbleJ> hrm, it's got a label on it.
[06:59:47] <jymmm> just a fish pump
[06:59:49] <ScribbleJ> Maybe I can just check that out in detail.
[07:02:00] <jymmm> Just time how long it take the pump to fill a 5 gallon bucket and divide by 5
[07:02:32] <jymmm> But, measure out 5 galons first so you know where the 5gal mark is on the bucket
[07:05:42] <ScribbleJ> Yeah, except I'd do 1gal.
[07:06:00] <ScribbleJ> Or ask my wife... she's the scientist and patient with experiment.
[07:06:03] <jymmm> No, do 5 gal so you get a avg rate
[07:07:29] <ScribbleJ> I get what you're saying, but that's a project for the wife, I'm the type to do 1gal and say close enough for these purposes. I doubt the 1gal timing could be too far off from some common types of pumps.
[07:07:56] <jymmm> It's your laser/spindle, not mine =)
[07:10:33] <jymmm> The better you can cool the laser, the better the results.
[07:11:11] <jymmm> or you can get a chiller
[07:11:14] <ScribbleJ> That's true - but I have a machinist friend who warned me about cooling the spindle too much.
[07:11:38] <ScribbleJ> I told him I'd been using a pump, in a 5gal bucket with water and a milk jug of ice
[07:11:57] <ScribbleJ> he said a spindle can get too cool and cause condensation which'll fuck my shit up.
[07:12:00] <ScribbleJ> do you concur?
[07:12:31] <jymmm> sounds right for the spindle
[07:13:53] <ScribbleJ> that's an interesting problem. :)
[07:15:34] <jymmm> speed/flow control
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[07:28:21] <DJ9DJ> moin
[07:28:36] <jymmm> hola
[07:30:22] <DJ9DJ> hi jymmm
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[09:47:06] <Loetmichel> mornin'
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[12:45:28] <jthornton> if I have a helix that is .5 in diameter how do you calculate the Z from an angle? Say I want to helix down at 5 degrees for my .5" diameter
[12:45:57] <jthornton> most cam programs allow you to set the angle of the helix iirc
[12:45:58] <joe9> would anyone recommend a cheap "edge finder"?
[12:48:07] <jthornton> most of them work but I prefer my Starrett 827a and they go for about $22
[12:48:16] <joe9> jthornton: thanks.
[12:49:07] <jthornton> for finding the X edge of material I prefer to use a dowel and only use the edge finder to find the Y0 on the vise
[12:50:29] <alex_joni> jthornton: imagine you're doing a straight line (.5" * 3.14 long) along the X axis
[12:50:34] <archivist> that would be the same as lead angle for a thread/helical gear
[12:50:37] <joe9> i have the instrument with a lot of thin blades, to measure the distance.
[12:50:40] <jthornton> ah ok
[12:50:51] <alex_joni> then it's easy to calculate Z at 5 degrees
[12:51:12] <jthornton> that makes sense alex_joni
[12:51:14] <jthornton> thanks
[12:51:17] <alex_joni> np
[12:51:26] <joe9> jthornton: I am thinking that an edge finder will be more accurate than using a dowel or gap measurement tool.
[12:53:51] <jthornton> your skill at using the edge finder is the determining factor on if the edge finder is as accurate as using a dowel in the spindle for X
[12:53:57] <joe9> jthornton: i have the feeler gauge.
[12:55:01] <jthornton> ?
[12:55:29] <joe9> jthornton: thanks.
[12:56:01] <jthornton> do you know the method I'm referring to for X?
[12:56:38] <joe9> jthornton: yes, I think so. just roll the pin until it does not pass, correct?
[12:56:48] <jthornton> not for X
[12:57:28] <jthornton> http://gnipsel.com/linuxcnc/tutorial/mill02.html
[12:57:40] <joe9> jthornton: thanks.
[12:57:51] <jthornton> that method works very well for Z
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[13:19:44] <jthornton> joe9, new one http://gnipsel.com/linuxcnc/tutorial/taps.html
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[14:01:33] <jymmm> jthornton: You should add some flash banner ads =)
[14:01:53] <jymmm> jthornton: Very nice btw
[14:02:52] <jymmm> jthornton: and what about lard? bacon grease? frozen butter?
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[14:24:08] <jthornton> jymmm, thanks
[14:24:26] <jymmm> =)
[14:38:42] <r00t4rd3d> http://i.imgur.com/EA1BC.jpg
[14:38:50] <jymmm> I dont think I've ever seen in-line printing done before http://www.youtube.com/watch?v=dGrJb4zBQBU&feature=endscreen&NR=1
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[14:47:31] <jymmm> Modern Technology at it's finest http://www.youtube.com/watch?v=0EwaIQ-U6QQ&NR=1&feature=endscreen
[14:54:59] <r00t4rd3d> why you searching youtube for tampon videos?
[14:55:23] <r00t4rd3d> you got some kind of weird fetish?
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[14:56:29] <r00t4rd3d> think ill have a bloody mary
[15:06:38] <jymmm> Eeeeeesh, poor bastards... http://www.youtube.com/watch?v=hLuPtMvvwA0&feature=related
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[15:29:13] <ScribbleJ> uuugh
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[15:30:32] <ScribbleJ> That foxconn video is ridiculousl.
[15:31:04] <ScribbleJ> This guy has spent 9/10ths of the first 2 minutes telling me how sought-after and beloved Apple products are.
[15:31:08] <ScribbleJ> SPIN MUCH, MOTHERFUCKER?
[15:31:27] <ScribbleJ> He's not done yet!
[15:31:54] <ScribbleJ> "Not just dependable appliances... works of art.... lovingly sold in museum-like stores..."
[15:32:02] <ScribbleJ> I dont' think I can make it throught his entire video
[15:32:17] <ScribbleJ> This reporter is a COMPLETE TOOL
[15:32:52] <ScribbleJ> "The sleek machines that inspire, dazzle, and change lives are mostly made by hand."
[15:33:20] <ScribbleJ> MORE EXPOSITION ON HOW WONDERFULA PPLE IS PLEASE, I'M NOT GETTING ENOUGH WHEN IT'S ONLY HALF OF A SENTENCE...EVERY WORD MUST PRAISE APPLE
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[15:36:30] <jymmm> Realize that like he said in the beginning, Jobs was on the baord of directors
[15:36:50] <ScribbleJ> Yea, but ... c'mon man
[15:36:56] <ScribbleJ> This is not journalilsm, it's pandering.
[15:36:58] <jymmm> It's a PR thing
[15:37:14] <ScribbleJ> That's my point, yea.
[15:37:17] <ScribbleJ> This isn't news... it's PR.
[15:37:33] <jymmm> Apple has ben using Foxconn for decades, what they say goes.
[15:37:37] <jymmm> been
[15:38:06] <jymmm> And gawd help ya if you talk trash about apple and be assciated with apple
[15:38:17] <jymmm> bunch of drones
[15:39:02] <jymmm> I didnt know about the suicides, and would have thought that the mfg was doen by machine
[15:40:23] <jymmm> Heh, it's like those magazines that you can pay $500, write your own story and they'll publish it like they had reported it.
[15:42:19] <ScribbleJ> HAhaha
[15:42:31] <ScribbleJ> The auditor's primary metric is whether the people on the line will look at him?!
[15:42:35] <ScribbleJ> You must be fucking kidding me.
[15:42:48] <jymmm> no
[15:43:14] <jymmm> You literally write the story (in third person) and they publish it.
[15:43:54] <ScribbleJ> No, I'm talking about the auditor in this story. What a joke.
[15:44:17] <jymmm> http://www.superlawyers.com/about/attorney_faq.html
[15:44:38] <jymmm> http://www.superdoctors.com/about/physician_faq.html
[15:44:47] <ScribbleJ> If you already have a photo, you can change it any time. If your profile page does not contain your photograph, then you must first upgrade to an Expanded Online Profile. The cost is just $450 or $600 for 12 months and you can start any time
[15:44:50] <ScribbleJ> Hahahaha
[15:45:01] <ScribbleJ> Someone's bringing back the old who's-who scam!
[15:45:11] <ScribbleJ> All you have to do is pay us $600 and we'll list you as a SUPER Doctor.
[15:46:45] <ScribbleJ> That's some seriousbullshit there, jymmm
[15:47:04] <jymmm> the sad thing is we all buy it too.
[15:47:43] <jymmm> so, if you ever go into a doctor/dentist/attornay office and see a "Super Blah" artcile posted on the wall, run like bat out of hell
[15:47:45] <ScribbleJ> If I ever see a doctor with a SUPER DOCTOR plaque, I will walk out of that mofos office. Or run. Run probably.
[15:47:52] <ScribbleJ> ^5 jymmm
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[15:51:32] <jymmm> http://www.youtube.com/watch?v=V3YFGixp9Jw&NR=1&feature=endscreen
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[15:52:05] <ScribbleJ> Is this something else that'll make me mad?
[15:52:07] <ScribbleJ> Oh.
[15:52:09] <ScribbleJ> Heheh
[15:52:19] <jymmm> yes
[15:52:27] <jymmm> i hoope
[15:54:49] <ScribbleJ> Have you guys tried pycam? Seems pretty solid.
[15:56:44] <ScribbleJ> I dunno about this Chinese foxconn stuff.
[15:56:56] <ScribbleJ> On the one hand I'd like to feel outraged at their working conditions.
[15:57:48] <ScribbleJ> On the other hand, it's hard to tell what's lies and exaggeration on both sides...
[15:57:59] <ScribbleJ> On the other other hand, I buy a lot of cheap stuff from China myself. :/
[15:58:00] <ScribbleJ> Heh
[15:58:24] <ScribbleJ> Just because I don't use Apple stuff doesn't mean I'm not also responsible for shitty working conditions, I suppose.
[15:59:02] <jymmm> As do I, but I would expect a company like Apple to have integrity and higher standards
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[16:03:48] <jymmm> The thing is, almost all electronics are made overseas. I don't think there is one tv/lcd mfr left in the US at all.
[16:06:46] <ScribbleJ> Stupid short-sighted US manufacturers.
[16:07:11] <jymmm> No, just can't compete with overseas is all
[16:07:11] <ScribbleJ> I guess it's the fault of the consumers too, chasing the lowest price no matter how you get there.
[16:07:34] <jymmm> EPA regulations have a ot to do with it too
[16:07:59] <jymmm> we export our polution =)
[16:08:55] <jymmm> can you imagine the toxicity created to make an LCD panel?
[16:10:37] <jymmm> But, when you have a country with population in the billions, what ya gonna do?
[16:10:58] <jymmm> one city with a 13 MILLION population?!
[16:11:40] <Tom_itx> thin em out with nuclear fallout?
[16:12:29] <jymmm> They already have one baby per family "birth control" in place, and if you have a 2nd child, on the wya you get heavily fined, fired from your job, etc
[16:12:59] <Tom_itx> that's not so good either because if it's female it's doomed
[16:13:16] <Tom_itx> and there are a lack of them to go around
[16:13:38] <jymmm> Oh it's bad, the goverment pays/bribes ppl to nark off anyone that is pregnent
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[16:15:05] <jymmm> There are family planning "Couselers" that have gone as far as beat the crap out of the parents to the point of miscarriage and in the hospital for days
[16:15:25] <jymmm> The dad gets fired, and blackballed.
[16:18:21] <jymmm> Eeeeeah Shanghai has a population density of 6845 per sq km
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[16:19:07] <jymmm> If I did the math right, that's 17,000 per square mile!
[16:19:10] <IchGuckLive> hi all around the Earth
[16:19:30] <jymmm> The US average density is 1500 per sq mile
[16:19:54] <IchGuckLive> chonqing has the most in the world
[16:19:57] <jymmm> In the SF Bay area it's 9000 per sq mile
[16:21:31] <jymmm> IchGuckLive: Chongqing is 910/sq mi
[16:22:00] <jymmm> http://en.wikipedia.org/wiki/Chongqing
[16:22:15] <IchGuckLive> i misunderstud the numbers
[16:22:27] <jymmm> IchGuckLive: it's all good =)
[16:23:34] <jymmm> IchGuckLive: It does have a large population, but I suspect they base the density on the sq mileage and not that includes the countryside not just city areas
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[16:24:42] <IchGuckLive> 7,7Mio on 1470sq/Km
[16:24:56] <jymmm> So they have 31K sq miles, but if the city is only 3K sq mile, it's huge!
[16:25:00] <IchGuckLive> 1mil is 1.6 km ?
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[16:25:41] <IchGuckLive> the "town" area spreds to 83k sq/km
[16:25:59] <jymmm> Shit, tha'ts a HUGE difference
[16:26:36] <IchGuckLive> thats calculated on town distance
[16:26:58] <IchGuckLive> so for the USA NY and PIL even Wash DC is one town
[16:27:16] <IchGuckLive> as there is no space betweeb
[16:27:54] <jymmm> heh
[16:29:02] <IchGuckLive> if you travel on 95 South there is town on town
[16:30:13] <IchGuckLive> ok the numbers are only as you calculate there is no international rule for this
[16:31:16] <jymmm> just take the ratio of the city area vs total area, then use that ratio on the density to get a city denisty that's more realistic
[16:31:33] <Tom_itx> useable area
[16:31:40] <Tom_itx> wanna live off a cliff?
[16:33:07] <IchGuckLive> Macao is the town with the highest i guess
[16:33:09] <jymmm> There actually some that do in a sorta cave. It looked really cool, and expensive as hell too
[16:33:24] <Tom_itx> saw that
[16:33:56] <jymmm> Kinda makes sense, constant temperature all year long
[16:34:10] <jymmm> And those Solar light tubes are frickin awesome
[16:34:28] <jymmm> they even have a light in them for night time
[16:34:52] <IchGuckLive> and the district within Freguesia de Santo Antonio is the highest 185.000people per square mile
[16:35:04] <jymmm> a 12" solar tube had more light than a 4ft sq skylight
[16:35:15] <jymmm> I was impressed.
[16:35:48] <IchGuckLive> jymmm: on frday germany where on record with 20 GWH of solar power generated
[16:36:13] <jymmm> cool
[16:36:40] <IchGuckLive> thats 20 Nuc powerstations
[16:36:57] <jymmm> Yeah? what about at 3am? lol
[16:37:07] <IchGuckLive> or 25 Niagra fals
[16:38:36] <IchGuckLive> jymmm: only calculations on white paper
[16:38:43] <jymmm> ah
[16:39:02] <IchGuckLive> power comes always out of your next Plug
[16:39:08] <IchGuckLive> B)
[16:39:30] <jymmm> Except in greenland =)
[16:39:37] <IchGuckLive> if your naigbour has a solarpanell aray you are on green power 2
[16:39:42] <jymmm> then it comes out of the ground =)
[16:39:58] <IchGuckLive> Iceland
[16:41:01] <IchGuckLive> i worked there for 6month at a milling company for hydraulik parts no fosil in use 15feet deep hole with 300DegC hot water
[16:41:28] <IchGuckLive> And homemade snow on the frontyard
[16:41:42] <IchGuckLive> steam alover
[16:44:43] <IchGuckLive> is one block in the USA 0.5sm
[16:46:04] <IchGuckLive> sorry need to go BY
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[17:10:08] <puff> I'm looking at the fireball v90, so far reviews have been very positive, which makes me wonder what I'm missing :-).
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[17:16:01] <jymmm> puff: You literally said the EXACT same thing yesterday, why are you repeating yourself? 2012-05-27 19:56:52 puff: I'm looking at the fireball v90, so far reviews have been very positive, which makes me wonder what I'm missing :-)
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[17:32:12] <puff> jymmm: Because I didn't see any answers for quite a while. If somebody did answer, it's scrolled out of my buffer.
[17:32:52] <jymmm> puff: Um, you never actually asked a question.
[17:33:39] <puff> jymmm: It's an implied question: what am I missing.
[17:33:54] <puff> jymmm: Do you know anything about the v90?
[17:34:13] <jymmm> nope
[17:34:19] <puff> Okay then.
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[17:51:10] <mrsun> http://www.machinetoolhelp.com/Preventativemaintenance/Ballbaranalysis.html one of those would be neat
[17:52:10] <mrsun> could a crude one be made from an ordenary sliding potentiometer? :)
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[18:01:20] <andypugh> LVDTs aren't horribly expensive
[18:02:37] <andypugh> <checks eBay>
[18:02:51] <andypugh> My! Aren't LVDTs horribly expensive!
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[18:10:06] <pcw_home> instead of a LVDT the analog Avago version of your encoder should get you to a few uinch resolution
[18:10:41] <pcw_home> (with a Arduino or some such interpolator)
[18:11:42] <pcw_home> (Ive see a 4 million count/rev encoder made with that couple buck device)
[18:12:41] * fragalot loves his reprap
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[18:17:50] <alex4nder-> hey
[18:38:21] <FinboySlick> Woah, JohnGrimsmo got tormach :P
[18:38:40] <FinboySlick> Actualyl, Tormach sponsorship.
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[18:41:33] <jdhNC> http://www.ebay.com/itm/CO2-LASER-ENGRAVING-MACHINE-ENGRAVER-CUTTER
[18:42:31] <andypugh> FinboySlick: ?
[18:43:05] <FinboySlick> andypugh: The knifemaking tuesdays guy. Fellow Canadian.
[18:43:29] <andypugh> Kinife guys scare me. Slightly more than gun nuts.
[18:43:37] <FinboySlick> Pretty cool videos for beginers like me. Sort of learning along with him.
[18:45:15] <andypugh> Oooh! Pretty knives!
[18:45:22] <alex4nder-> I could see picking up a Tormach at some point.
[18:45:28] <alex4nder-> pretty nice looking machine.
[18:45:44] <andypugh> (I like knoves myself, and I quite like guns, I just don't really like the guys who like them..)
[18:45:56] <FinboySlick> I was strongly considering it, but it really was just too big for me.
[18:46:18] <andypugh> Don't they do a little one?
[18:46:19] <FinboySlick> andypugh: Isn't that sort of hypocritical?
[18:46:28] <andypugh> And your point is?
[18:46:39] <FinboySlick> andypugh: No point, just amused.
[18:46:57] <alex4nder-> andypugh: you just have to find gun people that are the same as you
[18:47:04] <alex4nder-> which is difficult
[18:47:21] <andypugh> Anyway, not really. I quite like wine and beer, but look strangely at anyone who likes either to the exclusion of other stuff.
[18:47:30] <FinboySlick> alex4nder-: Gun people who hate gun people hate eachother... And they have guns.
[18:47:56] <alex4nder-> well gun people tend to be douches
[18:48:08] <Loetmichel> FinboySlick: no, it isnt hypocritical. nobody is FORCED to love his own kind ;-)
[18:48:08] <FinboySlick> Nah, I know some pretty cool ones.
[18:48:15] <alex4nder-> my particular favorites being gun people who are anti personal liberties
[18:48:21] <alex4nder-> like drug use, and gay marriage.
[18:48:29] <FinboySlick> Loetmichel: Good point.
[18:48:40] <andypugh> I was in the shooting club at college, but the other guys were a bit strange. It didn't help when I turned up on target rifle days which prevented them shooting their handguns.
[18:48:56] <alex4nder-> but they get angry when the Federal government won't let them own destructive devices
[18:49:37] <alex4nder-> I always duck the other gun people whenever I'm at the range.
[18:49:42] <mrsun> turning wth is it called ? "rust free" material in the lathe, something to think off when doing it? :)
[18:49:56] <andypugh> Ah, but homsexuality is an abomination in the eyes of the Lord. Like lobster thermidor and polycotton.
[18:50:06] <Loetmichel> mrsun: stainless
[18:50:10] <mrsun> stainless, yes =)
[18:50:14] <mrsun> hate those blackouts =)
[18:50:46] <alex4nder-> andypugh: exactly.. leviticus told me so
[18:51:28] <jdhNC> did it also tell you how much you could sell your daughters for?
[18:51:48] <Loetmichel> alex4nder- / andypugh: hrhr, i would LOVE to talk to you ppl in rl... down some beers and look at all the "normal" ppl out there ;-)
[18:51:48] <cradek> andypugh: ... but not slavery
[18:52:20] <alex4nder-> haha
[18:52:37] <andypugh> Well, you can own slaves from Canada and Mexico, but living on an island, I am not sure I can.
[18:52:49] <jdhNC> hmm, I could buy a canadian!
[18:53:35] <jdhNC> or wait a year or two and get two greeks
[18:53:35] <andypugh> If anyone is puzzled: http://www.physicsforums.com/archive/index.php/t-2945.html
[18:53:59] <alex4nder-> jdhNC: I'm pretty sure you'll have to buy the Greeks off of the Germans.
[18:54:04] <alex4nder-> but odds are they'll sell cheap.
[18:54:20] <Loetmichel> jdhNC: right, will be cheap then, sopnsored with my money ;-)
[18:54:24] <Loetmichel> sponsored
[18:54:31] <alex4nder-> Loetmichel: did you get a vacation home out of the deal?
[18:54:37] <Loetmichel> ?
[18:54:45] <alex4nder-> when Germany bought Greece
[18:54:55] <alex4nder-> I'd figure you'd get part of a beach at minimum.
[18:55:20] <andypugh> Hmm, I wonder where a good place would be for a Euro LinuxCNC-fest?
[18:55:38] <jdhNC> ebay refunded my money from my lameass deadbeat motor speed controller seller
[18:55:43] <Loetmichel> that would be nice, but no, just pay taxes in excess and get nothing in return, as usaual
[18:56:10] <alex4nder-> lame.
[18:57:05] * Loetmichel has a salary of 2800 eur each month... and gets payed out 1428 eur... rest is taxes/insurances
[18:57:48] <jdhNC> I need to remove a pocket 0.200" of cast iron from my mill's saddle, any suggestions?
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[19:01:43] <andypugh> Mill it?
[19:02:10] <cradek> must be a trick question.
[19:02:23] <andypugh> I think it is a catch-22
[19:02:33] <jdhNC> it wouldn't be if I really knew anything about milling.
[19:02:35] * FinboySlick would demand Smugglers Island.
[19:02:48] <FinboySlick> It's got to be the most awesome little bit of Greece that I know.
[19:02:50] <jdhNC> will HSS work? Can I do the whole .2 in one cut?
[19:03:13] <andypugh> Ah, the problem isn't that you can't mill the saddle because your mill has no saddle fitted?
[19:03:30] <jdhNC> that's one of the problems. I have an X2 I could attempt to use.
[19:03:46] <jdhNC> can you cut cast iron ok with HSS?
[19:03:50] <andypugh> Yes
[19:04:11] <andypugh> You don't even need HSS, carbon steel is fine. What do you think the Victorians used?
[19:04:25] <jdhNC> I don't know any Victorians
[19:04:35] <alex4nder-> do you know any Victoria's Secret modles?
[19:04:38] <alex4nder-> they might know.
[19:05:01] <mrsun> victoria secret models are so bony they could be used as cutters
[19:05:08] <mrsun> and quite effective ones also :P
[19:06:15] <alex4nder-> chuck them up by their feet?
[19:06:42] <andypugh> jdhNC: You could probably use a cold chisel. http://www.cnczone.com/forums/mini_lathe/63621-mini_lathe_cross_slide_ballscrew-2.html
[19:07:13] <andypugh> (post 18, 20)
[19:07:37] <JT-Shop> andypugh: tuning the 10hp rotary phase converter is going well
[19:07:42] <jdhNC> that might actually be fun
[19:08:08] <syyl> most parts of a chinese mill are "machined" with a chisel anyway, andypugh :D
[19:08:10] <jdhNC> I could plunge most out on the drill press and then chisel.
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[19:21:56] <pcw_home> andypugh how do you reverse a analog output? (to correct a reverse feedback situation)
[19:22:43] <pcw_home> (the hm2 manual needs a section on sserial data types)
[19:24:00] <pcw_home> theres minlimit, maxlimit and maxoutput but I'm not sure how these work together
[19:30:02] <andypugh> I am not sure you can.
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[19:30:45] <andypugh> What's the application? I would be expecting to use negative PID gains or encoder scale.
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[19:32:03] <pcw_home> feedback is reverse (and I think encoder direction is correct)
[19:33:30] <pcw_home> Ok maxvdh solved his problem by reversing the output leads
[19:34:05] <pcw_home> note that the PID comp has a bug so negative tuning parameter are not safe
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[19:35:05] <SWPadnos> pcw_home, there should be a scale parameter for analog outputs, just negate that
[19:35:15] <SWPadnos> dac_scale or some such
[19:36:20] <pcw_home> this is for sserial outpust and i dont think they have that option (would changing the sign of maxoutput do andy?)
[19:37:01] <pcw_home> let me look at the code...
[19:37:12] <SWPadnos> if it's something that acts like analog, there ought to be some sort of scale factor
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[19:41:40] <andypugh> well, you could add a "scale" function in HAL, in-extremis
[19:43:01] <pcw_home> it looks like reversing the sign of fullscale should do it
[19:44:23] <andypugh> Good. Perhaps that needs to go int he docs.
[19:45:31] <pcw_home> looks like thats "scalemax"
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[20:19:59] <ScribbleJ> Well, I spent some time this morning tracing the wires around my vfd and drivers and it seems like there is no connection to control the vfd from the parport.
[20:20:14] <ScribbleJ> so I'm guessing that's why I can't control the spindle form linuxcnc.! haa
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[20:25:36] <andypugh> That won't help
[20:26:50] <andypugh> I didn't see any mention of anything in the docs. But the docs were eccentric at best
[20:32:14] <DJ9DJ> gn8
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[20:46:40] <andypugh> ScribbleJ: Do you have any unused Parport pins to use for spindle control?
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[20:51:46] <ScribbleJ> I'd imagine there's a way it's meant to be wired up and just someone forgot to make some connections - but figuring out which will be tricky.
[20:52:22] <jdhNC> the docs say 16 & 17,did you setup pwmgen and check the pins?
[20:57:13] <ScribbleJ> Well, no, not yet... I might, but seriously, there's no way for a signal to get from the parallel port -> the driver board -> the vfd. That second -> is completely absent, so I'm skeptical that there's any way for it to work as is.
[20:58:23] <andypugh> Your scepticism seems well founded.
[20:58:51] <andypugh> Do you have a manual for the VFD?
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[20:59:05] <andypugh> I think it is probably worth googling the part number to find one.
[20:59:06] <ScribbleJ> No, and half the pin labels are chinese characters.!
[20:59:23] <ScribbleJ> I looked all over for a part number on the baord this morning - if there is one it's on the bottom, and I'll have to unmount it.
[20:59:37] <andypugh> No, I am talking about the VFD
[21:00:06] <ScribbleJ> I am too, I think.
[21:00:15] <ScribbleJ> I took some photos, I'll post them up in a bit.
[21:00:22] <andypugh> The box that the spindle connects to
[21:00:57] <joe9> http://www.mcmaster.com/#edge-finders/=hqgvd9 -- the "economy" edge finders are less than 1/2 the cost of the starrett ones.
[21:01:49] <joe9> i like the "audible" edge finders. anyone like such?
[21:02:03] <jdhNC> that's a pretty good crap/starrett ratio
[21:02:04] <joe9> http://www.mcmaster.com/#20995A65 http://www.mcmaster.com/#20995A66
[21:02:24] * JT-Shop guesses it is time to hook the VMC back up to see what all this tuning has done to the RPC
[21:03:01] <ScribbleJ> Yeah, the board that the spindle connects to has a big bank of pins that are all empty, which presumably would be where I'd hook up some connection to control the spindle.
[21:03:15] <jdhNC> joe9: a cheap one is $6 including shipping
[21:03:32] <joe9> jdhNC: in amazon?
[21:03:52] <joe9> or, are you being sarcastic? (a dowel pin)
[21:04:00] <jdhNC> ebay/china
[21:04:07] <joe9> http://www.mcmaster.com/#20535A651 seems to be the cheapest one in mcmastercarr
[21:04:23] <andypugh> Hmm, $10 for a cheapy or $23 for Starret? Starret for me.
[21:04:39] <joe9> andypugh: thanks, that is what I was looking for.
[21:04:47] <andypugh> I would pay that for 2 bottles of wine, after all.
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[21:05:32] <andypugh> ScribbleJ: There are iPhone apps to translate chines characters.
[21:05:37] <joe9> andypugh: btw, would you recommend "single end" http://www.mcmaster.com/#20535A681 or "double end" http://www.mcmaster.com/#20535A654
[21:07:33] <andypugh> It won't let me browse without logging in. But you would have to be sure that the double-ended would work in your chuck. And I am not clear what the second end is for.
[21:08:27] <joe9> andypugh: oh, sorry, I did not realise that it was asking you to log in.
[21:08:41] <andypugh> It let me see the page first time round.
[21:08:53] <JT-Shop> single end for me
[21:09:56] <joe9> andypugh: http://images2.mcmaster.com/Contents/gfx/large/20535a656p1l.png?ver=9117252
[21:10:01] <joe9> is the double end one
[21:10:54] <JT-Shop> 827A is the one I use
[21:10:56] <andypugh> I guess that the point is for centre-punches and scribed lines, but I don't know how you use them for that.
[21:11:30] <JT-Shop> I have one but never figured out what it is for so it sits in the tool box all lonely like that
[21:13:24] <joe9> i think i have to go with the 827A too. I do not have the collet for the metric one, though I prefer metric.
[21:13:59] <JT-Shop> joe9: did you read how to use one?
[21:14:02] <joe9> do you think I can squeeze the 10cm one into a 3/8inch collet?
[21:14:11] <andypugh> http://youtu.be/CXMl7KyH8yc
[21:14:16] <joe9> JT-Shop: http://www.chaski.com/homemachinist/viewtopic.php?f=4&t=92462
[21:14:21] <andypugh> ER collet?
[21:14:36] <JT-Shop> tubacain is cool
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[21:15:38] <joe9> andypugh: yes.
[21:15:48] <joe9> andypugh: yes, ER-16 collet.
[21:16:04] <joe9> 3/8 = 0.3750 inches = 9.5250 mm
[21:16:06] <andypugh> Buy a 10mm collet? It is likely to come in handy.
[21:16:18] <joe9> andypugh: ok, thanks. let me check on that.
[21:17:00] <andypugh> The metric ER sets are actually a little better than the imperial ones, as metric covers every size, but there are small gaps between the ranges of imperial ons.
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[21:18:15] <joe9> andypugh: is there a special name for the ER metric collets? http://www.mcmaster.com/#er-collets/=hqh6dj only has imperial stuff. maybe mc carries only imperial stuff.
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[21:18:24] <andypugh> $23 for the full metric set.. http://www.ebay.com/itm/280869650624
[21:19:14] <joe9> andypugh: thanks a lot. that seems to be a good buy
[21:19:18] <syyl> dabdabda
[21:19:19] <syyl> http://dl.dropbox.com/u/24396704/IMG_0516.jpg
[21:19:22] <syyl> almost done :D
[21:19:26] <syyl> including the tailstock
[21:19:30] <andypugh> I might go with http://www.ctctools.biz/servlet/the-14/FULL-ER16-COLLET-SET/Detail instead
[21:19:48] <andypugh> I have had stuff from CTC before and the quality is good.
[21:20:23] <andypugh> Or look for a US source to reduce the shipping.
[21:20:33] <joe9> andypugh: thanks. i will check them out.
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[21:22:57] <andypugh> syyl: Unusual tailstock
[21:23:04] <syyl> jip :D
[21:23:14] <syyl> i was tired of the cranking
[21:23:15] <andypugh> rack drive?
[21:23:18] <syyl> yeah
[21:23:33] <syyl> extended the tailstockram with a round rack
[21:23:42] <andypugh> Do you still have an ejector pin?
[21:24:18] <syyl> i have a long "screw" that goes all the way trough it
[21:24:28] <syyl> with a handle on it
[21:24:40] <syyl> so its just a quick flick on the handle to eject the tool
[21:24:50] <andypugh> OK, just wanted to check before you got something stuck in there :-)
[21:25:12] <syyl> that would be embarrassing :D
[21:25:46] <andypugh> Yes. Don't ask me how I know.
[21:25:54] <syyl> ops ;)
[21:35:14] <r00t4rd3d> 4 more wires to solder
[21:35:56] <JT-Shop> syyl: looking good!
[21:36:04] <r00t4rd3d> then onto the next step, which I am not sure is atm.
[21:36:18] <syyl> thanks :)
[21:36:24] <syyl> now its almost a lathe
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[21:38:05] <joe9> andypugh: quick question, with the "double ended" edge finder, is it easier to use? As, I can use a hole to find the edges on both axes?
[21:38:55] <joe9> don't bother. i do not have a 1/2inch ER collet to fit it anyway.
[21:38:57] <andypugh> I don't know how the point works. It can't do the flip that is critical to using the cylindrical end.
[21:39:19] <joe9> andypugh: ok, thanks.
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[21:41:10] <JT-Shop> hmm S3000 M3 worked
[21:41:40] <andypugh> http://www.practicalmachinist.com/vb/general/using-center-finder-227695/
[21:42:01] <andypugh> That seems to explain a few ways, though they all seem to suggest that not being spring-loaded would be easier..
[21:43:08] <andypugh> Ah, well, it seems that if the point is in the hole then you can use a micrometer to measure how far off the hole gentre you are.. That makes sense.
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[22:10:58] <ScribbleJ> Sweet jeebus
[22:11:11] <ScribbleJ> pycam looks good at first but takes literal days to gen gcode on relatively simple models.
[22:11:29] <joe9> is this with freecad?
[22:11:37] <joe9> pycam in freecad?
[22:11:41] <ScribbleJ> No, just alone.
[22:11:45] <ScribbleJ> Does freecad include it?
[22:11:53] <ScribbleJ> Is that a better version than the one that's pycam, just?
[22:12:13] <joe9> don't know. I use heekscnc to generate gcode.
[22:12:23] <ScribbleJ> That is next on my list to try.
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[22:12:30] <archivist> andypugh, I have had some ER collets from onlineseller
[22:12:49] <joe9> i use freecad to generate the .step file. then, use heekscnc to convert the .step file to gcode.
[22:12:52] <andypugh> Any good?
[22:13:55] <archivist> depends on ones definition of good :) , not perfect, some error detectable
[22:16:33] <archivist> but my test was machine a 10mm stub on the lathe then mount an er16 holder on the bit while still in the lathe, hard to tighten without bending in any way
[22:17:58] <JT-Shop> while laying on the floor and changing taps on the step up transformer on the VMC I noticed the input is 60Hz WYE could this be the problem?
[22:18:10] <JT-Shop> does the RPC put out delta?
[22:18:12] <archivist> I learnt about making the stub long enough to get to the full extent of the collet at the time else the grip is not parallel
[22:19:16] <archivist> JT-Shop, another thin about the phase, the drive likely is trying to power factor correct, it cannot do this with two lines at 180
[22:20:21] <JT-Shop> I wondered about the phase timing after you get done with all the caps
[22:20:37] <andypugh> JT-Shop: If the star point is connected to earth, then that does seem like it might cause a bit of bother.
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[22:21:51] <JT-Shop> I'm still trying to digest the different "earthing" methods in the manual you linked to
[22:27:10] <archivist> the capacitor phase timing only sets the middle leg, unless you can find a real motor driving a generator, when I was googling it looks like some proper rotary converters have a motor generator as one item, not seen any pictures though
[22:28:00] <jymmm> JT-Shop: http://www.youtube.com/watch?v=pDiojAm3hy8&feature=relmfu
[22:28:22] <JT-Shop> I wonder how phase perfect does it without a generator and they don't touch L1 or L2
[22:28:30] <JT-Shop> http://www.phaseperfect.com/files/op_inst_pt.pdf
[22:28:48] <jymmm> JT-Shop: I always find it in funny that the end of every bottling line it's some poor schmuck that has to box them manually.
[22:29:07] <JT-Shop> If the connected load has a neutral connection and requires wye configured power, the output
[22:29:07] <JT-Shop> of the phase converter must be passed through a delta-to-wye isolation transformer before connection to
[22:29:08] <JT-Shop> the load.
[22:29:47] <JT-Shop> page 6
[22:30:49] <andypugh> I am pretty sure that PhasePerfect are effectively a VFD, but one using the incoming mains as a reference signal to keep mains synch.
[22:31:10] * archivist agrees
[22:31:23] <JT-Shop> http://www.transformeronline.com/prices/threephasetransformer.htm#bm2
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[22:32:38] <andypugh> JT-Shop: Any possibility of disconnecting the input-side star-point and connecting the output-side star-point instead?
[22:32:45] <JT-Shop> so the block diagram on page 6 the T1 and T2 are still at 180 from each other
[22:33:02] <JT-Shop> andypugh: I'm not sure I understand what you mean
[22:33:14] <JT-Shop> at the stepup transformer?
[22:33:20] <andypugh> Yes.
[22:33:27] <JT-Shop> let me look at it
[22:33:37] <andypugh> You say it is Y input, what is the output?
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[22:34:58] <archivist> phase perfect do not connect both lines to the output, only 1 so they can make real 120 deg 3 phase
[22:35:24] <andypugh> JT-Shop: The block diagram in the phaseperfect manual? only T2 is connected direct to the mains
[22:35:41] <archivist> they generate 2 phases unlike the idler motor method which only generates 1
[22:37:38] <JT-Shop> T1 and T2 go straight through
[22:38:07] <JT-Shop> andypugh: the stepup transformer ground is only to the frame
[22:38:33] <JT-Shop> L2 goes to T1 and the AC DC switching converter
[22:39:15] <andypugh> On your machine? Or are we talking about PhasePerfect?
[22:39:26] <ScribbleJ> Am I missing the right place or is the last update to heekscnc like 7 months ago?
[22:39:30] <JT-Shop> phase perfect block diagram on page 6
[22:40:14] <andypugh> Which page 6?
[22:40:27] <JT-Shop> http://www.phaseperfect.com/files/op_inst_pt.pdf
[22:40:47] <JT-Shop> Figure 1 Phase Perfect Block Diagram.
[22:41:28] <JT-Shop> "L1 and L2 of the single-phase input pass directly through the phase converter to provide two legs of the threephase
[22:41:29] <JT-Shop> output. A manufactured phase is combined with the two input legs to produce three-phase output power."
[22:41:47] <andypugh> Page 1?
[22:41:54] <JT-Shop> 6
[22:42:10] <atex57> Just installed Linuxcnc and PicoSystems PWM setup and have a lot of questions.
[22:42:12] <atex57> First thing though is to get an IRC setup on that machine so I copy the errors out for review.
[22:42:13] <atex57> What is a good IRC client for Ubuntu? Remember, simple is good in my case. TIA. Ed.
[22:42:15] <andypugh> The page 6 with a 1 at the bottom?
[22:42:24] <JT-Shop> aye
[22:42:34] <JT-Shop> didn't scroll down that far
[22:42:42] <JT-Shop> sorry
[22:42:42] <archivist> terrible drawing read the text
[22:43:31] <JT-Shop> atex57: satellite or normal internet?
[22:44:23] <andypugh> JT-Shop: I think it ties in with what Kent(?) was saying on the mailing list, that what matters is the voltage between the legs, not what they do relative to ground.
[22:44:26] <JT-Shop> funny thing the stepup transformer says WYE input but only has connections for the three phases
[22:45:02] <archivist> hmm text agrees with the drawing, how can it possible have correct phase!
[22:45:14] <andypugh> atex57: I think the stock Ubuntu installation has Pidgin pre-installed?
[22:45:16] <JT-Shop> in that case I'm at 243 ab 252 ac 252 bc
[22:45:32] <atex57> JT-shop: DSl over phone lines
[22:45:54] <JT-Shop> chatzilla is a nice plugin for firefox
[22:46:14] <archivist> atex57, I use xchat
[22:46:34] <andypugh> archivist: L1-L2 is one phase. L1-L3 is another, as is L3-L2. You can choose an L3 to make L2-L3 and L3-L1 = 120 degrees
[22:46:50] * JT-Shop does too but only because of my crappy satellite connection
[22:47:34] <andypugh> atex57: Ah, no. Not in 2.5. Pidgin is OK and available from the Ubuntu software centre
[22:47:51] * Tom_itx is gonna bring the mill inside to sort out the switches
[22:48:05] <Tom_itx> garage is just too warm
[22:48:15] <atex57> Andy: I tried Pidgin and it outsmarted me. Couldn't get it to accept freenode.
[22:48:37] <andypugh> Well, it can. But I agree it is a bit unexpected in how it works.
[22:48:38] <JT-Shop> atex57: try chatzilla it is easy to configure
[22:48:49] <JT-Shop> I like that
[22:49:03] <atex57> JT: I am using Chatzilla here on OS/2, trying to make the upgrade.
[22:49:29] <andypugh> OS/2 ? You mist be the last user in the world?
[22:50:03] <atex57> Andy: No, I know of at least 3 others.
[22:50:54] <andypugh> You know both the others?
[22:51:01] <andypugh> :-)
[22:51:21] <atex57> Off to find Chatzilla . Can I have both machines connected at the same time?
[22:51:37] <andypugh> Yes, though I think you need different nicks
[22:51:57] <atex57> BBL
[22:56:41] * JT-Shop wanders off to fire up the barbie to feed the women, they look hungry
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[22:58:46] <archivist> coal is heavy, lifted 2 ton into boat, took it a few hundred yards down the canal and unloaded it tonight
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[23:01:03] <ed_> Am I back on line?
[23:01:21] <andypugh> ed_: Yes
[23:01:37] <andypugh> archivist: Was that easier than just carrying it?
[23:01:58] <Thetawaves> a 5 gallon bucket of coal is HEAVY
[23:01:59] <ed_> Ya and I screwed that up, it was supposed to come up as atex57
[23:02:15] <Thetawaves> it really isn't possible to move quantities of coal by hand
[23:02:26] <archivist> andypugh, there is no quicker route, no vehicle access
[23:02:46] <archivist> except for canal barge
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[23:03:38] <archivist> muggins was in the barge for loading and unloading
[23:05:34] <archivist> we no longer use this boat but the pump is left middle behind the trees http://www.collection.archivist.info/archive/DJCPD/PD/2001/2001_04_31_Leawood/P4300030.JPG
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[23:07:13] <Thetawaves> how much does one of those bags weigh?
[23:07:34] <atex57> Did I get it right yhis time?\
[23:07:38] <archivist> current bags are 25kg
[23:08:00] <archivist> atex57, that would be telling
[23:08:30] <atex57> Almost. spelling ain't the best
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