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[00:01:18] <JT-Shop> I should clean my desk but that would evict my desk spider
[00:01:39] <Connor> JT-Shop: Is he paying you rent? :)
[00:01:44] <JT-Shop> it has a web so it's not a brown recluse
[00:01:58] <JT-Shop> eating bugs I suppose so yea
[00:02:18] <JT-Shop> he lives right behind this keyboard
[00:06:51] <JT-Shop> http://gnipsel.com/images/misc/spyder.jpg
[00:07:55] * JT-Shop gives up and wanders inside so Mr. Spider can work
[00:14:02] <Tom_itx> starting on 30
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[00:27:42] * jthornton thinks about a new building for the equipment
[00:28:28] <enleth> https://owncloud.hackerspace.pl/index.php/s/qyPZXwWWwXP7OOl - a friend of mine made this on the Bridgeport, it's a nozzle holder for an alcohol mixing robot
[00:29:22] <enleth> The '81 Heidenhain control could be a little more convenient to use, but it's still surprisingly usable for layouting holes
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[00:31:24] <enleth> The general idea behind the MDI mill seems to make sense in actual use - switching quickly between fully manual operation and ad-hoc one-liners entered on the control panel does save time
[00:32:04] <enleth> And someone relatively new to machining can pick it up pretty fast.
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[00:38:05] <malcom2073> Nice
[00:38:10] <malcom2073> My dad almost exclusivly uses the MDI heh
[00:38:27] <malcom2073> He doesn't do much CAM except for more complicated parts, most of the stuff he does can easily be done in one liners
[00:39:05] <CaptHindsight> enleth: only 8 nozzles?
[00:39:39] <enleth> CaptHindsight: more of those can be ganged together
[00:40:47] <enleth> malcom2073: does he use an MDI-manual machine? To be honest I have no idea if it's typical for an MDI mill to have handwheels.
[00:41:20] <malcom2073> enleth: It's linuxcnc, and it has handwheels, but really he uses jog + MDI for everything
[00:41:32] <malcom2073> He uses jog as powerfeed heh
[00:41:37] <enleth> I'm getting the impression that such mills are extremely rare and they were popular/available for a short time in the 70s and 80s
[00:42:09] <malcom2073> Ah didn't realize that was a specialized type of machine
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[00:42:43] <CaptHindsight> enleth:
http://img.directindustry.com/images_di/photo-g/66526-6174391.jpg how about a nozzle array like this?
[00:43:41] <enleth> malcom2073: well the one I have is a dedicated MDI machine - the control is too primitive for full-fledged CNC milling and it does have factory-fitted handwheels, so it can be used for fully manual operation despite the ball screws
[00:43:57] <malcom2073> Oh that's pretty interesting
[00:44:04] <enleth> there are brakes that engage automatically when a handwheel is disengaged on an axis
[00:44:09] <enleth> so no backfeed
[00:44:14] <malcom2073> Slick
[00:44:28] <malcom2073> Yeah that's why my dad uses jog for powerfeed instead of manually using the wheels, no way to disengauge his steppers
[00:44:49] <enleth> also, the handwheels won't break your fingers - the servos won't run if there's a handwheel engaged
[00:44:56] <malcom2073> Smrt
[00:44:57] <malcom2073> Smart*
[00:45:05] <enleth> What's nice is that all the handwheel/brake logic is completely relay-based
[00:45:19] <enleth> So if I swap the control for linuxcnc, I get to keep that
[00:45:25] <malcom2073> Ah that's very cool
[00:45:34] <malcom2073> There's something to be said for having a manual mill
[00:45:40] <malcom2073> Especially for learning
[00:45:48] <CaptHindsight> I'd like to convert a giant VMC for handwheel operation
[00:45:52] <malcom2073> haha
[00:45:53] <enleth> My point exactly when I decided to buy this machine
[00:46:32] <enleth> Most manual/CNC hybrids are retrofits that compromise something to get some of the both worlds
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[00:46:45] <enleth> This mill was factory designed for that and it shows
[00:48:09] <CaptHindsight> I was thinking about an etch-a-sketch for XY and bike pedals for Z
[00:48:36] <CaptHindsight> or flight stick
[00:48:46] <enleth> malcom2073:
https://www.youtube.com/watch?v=tz0p-iJMsbo - unfortunately the wheels are not visible but you can hear the brakes open and close when I engage and disengage them, that's the loud KLANG every so often
[00:48:59] <enleth> *s/them/the handwheels/
[00:49:44] <malcom2073> Servo driven?
[00:49:54] <enleth> Yes, brushed servos
[00:50:16] <enleth> Rotary encoders with glass scales are mounted on the back of each servo
[00:51:27] <enleth> Oh, and the X axis handwheel is actually on the saddle - torque is transmitted by a toothed belt to a rotating ball nut, while the screw is stationary inside the table
[00:51:45] <enleth> The X axis servo is also mounted to the saddle, of course
[00:52:24] <enleth> Now find a retrofitted machine that doesn't suffer from a heavy servo and transmission hanging off the end of the table, pulling it down
[00:53:12] <enleth> Not to mention the fact that both X and Y handwheels are always within reach
[00:54:05] <malcom2073> I'm seriously giving though to moving back to servos at some point, just for the jog speeds heh
[00:54:27] <malcom2073> Yeah the clutch thing is really nice
[00:54:49] <irontree9> gah my machine can't corner with the speed needed
[00:55:12] <irontree9> if I crank of the acceleration on the x and y would that help?
[00:56:39] <Sync_> malcom2073: what did I say ;)
[00:56:53] <enleth> malcom2073: call me spoiled, but I just don't consider open-loop control to be up to any serious job, so I'm really happy I did not get a BOSS version of this mill
[00:57:05] <malcom2073> Sync_: Shhh, I've not done anything except blow a drive, I can still convert back later :P
[00:57:13] <enleth> Those were stepper-based
[00:57:24] <malcom2073> enleth: I totally agree, I don't do any serious jobs :)
[00:57:53] <enleth> Neither do I to be honest
[00:58:03] <enleth> Just messing around with heavy machines for fun
[00:58:21] <malcom2073> I went steppers because they were easier, and *way* cheaper, and this is in my garage as a hobby so... meh.
[00:58:34] <malcom2073> I'm limited to 15IPM though
[00:58:59] <enleth> I just happen to share the garage with 50 other people so I could get something a bit tougher
[00:59:07] <malcom2073> heh
[00:59:09] <enleth> We've got space for that
[00:59:42] <malcom2073> I'd love to be part of a space like that
[01:00:01] <enleth> Where are you located?
[01:00:18] <malcom2073> The closest one is about and hour away, and like $60 a month to join
[01:00:26] <malcom2073> east coast USA, Pennsylvania
[01:00:43] <enleth> Ah, I see
[01:01:51] <enleth> Funny thing is, we sterted out as a bunch of IT guys who dabbled in electronics and wanted a place to hang out and solder stuff
[01:02:38] <malcom2073> Heh, yeah I have a very large space, if I ever get it concreted and insulated, I wanna get some people together to try and get some machines running, but being in the middle of nowhere doesn't help
[01:02:46] <enleth> Now more and more people with IT background are taking interest in machining and building mechanical stuff
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[01:04:32] <duc> Evening
[01:04:46] <irontree9> ah my tool path was too complex :)
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[01:10:37] <malcom2073> Evening duc
[01:11:28] <duc> How's everything going
[01:13:46] <enleth> malcom2073: but seriously, I bought this mill without any expectation of having it pay itself off, it's there just to learn and make parts for other projects
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[01:17:09] <malcom2073> You really can't expect the stuff to pay off unless you turn it into a fulltime job, and are nuts
[01:17:41] <malcom2073> I got my machine ultra cheap, but I still don't see myself ever actually selling anything I make
[01:18:06] <duc> Anyone see a issue with a .280 long 6mm keystock piece for a 760 watt motor
[01:18:10] <enleth> I gues it's possible that I'd get some odd job from time to time, I know people who need weird things cut in a chunk of metal
[01:18:18] <duc> 750watt I mean
[01:19:34] <enleth> duc: is "key stock" a polite way to say "hardened as fuck"?
[01:20:46] <duc> enleth: most keystock is just normal metal not tool steel
[01:22:11] <enleth> sounds reasonable then
[01:22:22] <enleth> actually I don't see where the problem might be
[01:23:46] <duc> So many thing I wish I would have done different on this project
[01:24:01] <duc> And most of it probably wouldn't change a dam thing
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[07:52:18] <Deejay> moin
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[11:01:50] <mops_> Hello everybody Does anyone have experience with
[11:02:23] <mops_> rack toolchange
[11:06:26] <mops_> I need help about rack toolchange
[11:06:55] <XXCoder> unfortunatly I dont knoq much bout that
[11:07:11] <XXCoder> but ask anyway maybe someone will speak up
[11:07:36] <mops_> ok
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[11:14:23] <jthornton> we don't ask for qualifications just ask your question
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[11:27:13] <archivist> jthornton, one balanced power circuit not two
[11:27:40] <archivist> I hate the american 2 phase 220
[11:28:07] <archivist> or 110 balanced to get 220
[11:29:52] <Jymmm> I thought it was 220 split to get 110
[11:30:10] <archivist> same difference
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[11:34:57] <gonzo_> isn't the 220V US feed, two phases off a 3phase cct?
[11:35:17] <archivist> probably off a 3 phase
[11:35:18] <XXCoder> 1100 10 phase
[11:38:21] <gonzo_> a quick calc, 2phases at 110v per phase would be 190V
[11:39:17] <gonzo_> so I'm interested to know how the 220V comes about
[11:39:30] <archivist> gonzo_, its 180 degrees :)
[11:39:38] <archivist> direct double
[11:40:08] <archivist> it is strange stuff to use over this side of the pond
[11:40:16] <archivist> use/us
[11:40:27] <gonzo_> ah, ok. So they have a separate step up transformer, or is there some clever tapped 3ph windings at the substation?
[11:40:52] <archivist> dunno,
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[11:42:03] <gonzo_> I know lots of US people are shocked (pun?) that we have 240v here. And the 415v cayses brain overload
[11:42:31] <archivist> but I bet the house fire percentage is way higher per capita than here
[11:42:37] <gonzo_> (that's non-engineers that is)
[11:43:11] <gonzo_> I think the wining/connector standards have been hilher here for a long time
[11:43:44] <gonzo_> though pair 220V in EU with some of the nasty connectors/wiring they have......
[11:46:44] <archivist> 13% usa and 37600 in uk,
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[11:47:52] <archivist> 1.4%
[11:48:07] <archivist> slam dunk in our favour
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[11:52:36] <gonzo_> the good old british 13A plug is a brute of a think.
[11:54:43] <gonzo_> we still have a high % of house fires are caused by electrics, but poss having brick built houses means they tend to be less destructive
[11:54:51] <archivist> hmm cant find my image of american wiring
[11:56:18] <gonzo_> I'd be interested to se ethe figures for electrical fires in the UK after the partP regs came in. I wonder if people not DIYing fixed wiring is countered by the use of adaptors and extension leads rather than paying for an extra socket to be fitted
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[11:56:59] <gonzo_> one of the guys has a place in the phillepines, and refers to their wiring as 'twist and shout'
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[11:59:43] <archivist> approved in north america
https://en.wikipedia.org/wiki/Twist-on_wire_connector
[11:59:48] <_methods> hahah
[11:59:55] <_methods> you should see the wiring in thailand
[11:59:59] <_methods> stuff is crazy
[12:00:08] <_methods> wires all over the place
[12:00:31] <_methods> i'm talkin about mains power too
[12:01:18] <enleth> archivist: higher voltage actually reduces the chance of fire
[12:01:34] <gonzo_> ah, this is actually twisting the wires together, not a screw on thing!. With power poles a rats nests of arcing mains and telecomms
[12:01:47] <archivist> enleth, makes installers more careful :)
[12:01:47] <enleth> archivist: less current for the same power, so less heating on shitty connections
[12:01:47] <_methods> yeah
[12:01:53] <jthornton> wire nuts as we call them are actually quite good and you can hang from a wire connected with them... you can also not put them on correctly and the wire will fall out
[12:02:00] <_methods> power poles look like a ball of spaghetti
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[12:02:37] <enleth> archivist: of course it makes arcing a little more likely but overheating is a more likely cause of fixed wiring fire than arcing
[12:03:09] <gonzo_> I think the fixed wiring here is gerenarlly pretty good. If it's been done in the last 40 yrs. But appliances are where we let the side down
[12:03:44] <enleth> archivist: I wouldn't say the higher voltage makes installers more careful, if you're doing live wiring fixes you've got insulating gloves anyway
[12:04:10] <archivist> enleth, pfft never used gloves :)
[12:04:54] <enleth> and 230V is still reasonably low - it doesn't do crazy high voltage stuff, it stays in the damn wire unless you specifically touch it with something decidedly conductive
[12:05:26] <Jymmm> LICK IT
[12:05:37] <archivist> getting a shock was always a workshop joke
[12:06:15] <enleth> archivist: once I replaced a cable head on a live 120kW 3ph/400V ground cable, no interruptions
[12:06:31] <archivist> keeping one hand in a pocket is the sensible trick
[12:07:46] <enleth> it was an antiquated armored type, insulated with 30 layers of oiled paper, a solid layer of lead for water tightness and tar soaked rope, with steel tape over that
[12:08:08] <archivist> regular test when fixing older TVs was draw an arc to an insulates screwdriver
[12:08:38] <enleth> you'd find that type of cable in active mining facilities, but some used that in the middle of a city in the 50s
[12:08:46] <Jymmm> medieval armor? Ye be jousting!!!
[12:09:11] <archivist> armoured cable is a bit of a fight :)
[12:09:54] <enleth> archivist: keeping one hand in the pocket doesn't do the trick when the wires are 75mm^2
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[12:10:24] <enleth> bending the fucker into position with both hands is hard enough
[12:10:32] <Jymmm> enleth: Wuss ;)
[12:10:52] <Jymmm> enleth: You should be able to do 10,000 pushups with ONE finger!!!
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[12:12:17] <enleth> anyways, I wouldn't consider higher voltages in EU to be any more dangerous while 2x lower currents are a huge safety bonus
[12:12:37] <Jymmm> enleth: like this
https://www.youtube.com/watch?v=n23jEbQXYtA
[12:12:40] <enleth> and it's much easier to design circuit protection
[12:13:21] <archivist> common mode noise will be lower which is JTs current problem
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[12:32:07] <gonzo_> have done live 240/415 as a student. We had to wire the tails for our sound/lighting rigs directlky to the 3ph. And it was not uncommon to have to switch phases live during a gig, if the rcd's were tripping out
[12:32:53] <gonzo_> really could not imagine them letting students do that now!
[12:34:16] <gonzo_> my house feed is lead and tarred paper. I exposed it recently when putting some drainage in. So need to get the electriciy board in to replace it
[12:36:37] <CaptHindsight> gonzo_: delta vs wye transformers, delta is 220 between legs and with a center tap of one winding 110V...neutral..110V
[12:37:50] <CaptHindsight> https://upload.wikimedia.org/wikipedia/commons/thumb/c/cf/High_leg_delta.svg/2000px-High_leg_delta.svg.png
[12:38:14] <CaptHindsight> older US power ^^
[12:39:05] <CaptHindsight> http://www.plctalk.net/qanda/uploads/a011608a.JPG delta vs wye
[12:40:55] <gonzo_> CaptHindsight, cheers. Sort of what I suspected
[12:41:47] <CaptHindsight> http://www.electrical-contractor.net/BCodes/ED's4Wdelta2_%282%29.JPG
[12:41:50] <gonzo_> though I imagined a Y/stat config, wuth centre taps
[12:42:13] <gonzo_> how do they get load balancing with the high-leg?
[12:42:47] <CaptHindsight> new residential and much new commercial (past 30 years) is wye 120/208V
[12:43:12] <CaptHindsight> older was almost always delta
[12:44:04] <gonzo_> that's quite a supprising setup. Seems overly complicated.
[12:44:38] <CaptHindsight> older homes didn't get 3 phase
[12:45:10] <gonzo_> I know that the first UK systems were often DC and a mix of voltages, feeding just local area. Till it was standardised for the national grid
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[12:46:49] <gonzo_> 3phase to the house is not common here iether. Sending out 3ph down the street and tapping off phases in turn to each house is usual. In my area they just send 2 phases down the street.
[12:47:20] <gonzo_> I did enquire about getting 3ph for machines. Till they said they would have to dig a new cable in for me
[12:47:31] <gonzo_> many 10k of £
[12:48:15] <enleth> that sucks
[12:49:15] <enleth> at least newly built blocks should be supplied with 3ph
[12:50:14] <enleth> a stupid electric stove can easily load 2 or 3 phases
[12:50:47] <CaptHindsight> electric stove, you should have gas :)
[12:51:15] <enleth> CaptHindsight: I'm taking induction any day instead of gas
[12:51:32] <enleth> I don't trust gas powered stuff of any kind
[12:51:54] <Tom_shop> even your car?
[12:51:58] <CaptHindsight> the construction costs are higher
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[12:52:32] <enleth> Tom_shop: the gasoline is not pressurized and there's only so much of it in there
[12:52:33] * jthornton wishes he understood
[12:52:46] <jthornton> JT's problem
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[12:52:59] <enleth> I mean gas as in natural gas and such
[12:53:01] <CaptHindsight> thats why you'll find high rise residential with all electric appliances to simplify construction
[12:53:32] <enleth> pressure lines or pressure vessels scare me, you can't just turn them off and be sure it's safe
[12:53:45] <Tom_itx> jthornton, still gettin errors?
[12:53:58] <Tom_itx> maybe you should revert back to 2.6
[12:54:18] <jthornton> yea
[12:54:52] <Tom_itx> at least until they get the error reporting sorted out
[12:55:00] <enleth> sure I'm paying more for the electricity consumed by the induction stove but it's safer, easier to use, heats things up way faster and looks better
[12:55:06] <jthornton> as soon as I plug the VFD in I get a butt load of sserial errors
[13:02:37] <archivist> filter the vfd
[13:04:04] <archivist> there are two parts to the equation, noise transmission and noise immunity
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[13:04:26] <jthornton> I have a line reactor in front of the VFD
[13:05:03] <archivist> line reactor does not mean filter I think
[13:05:28] <jthornton> I don't know what a filter is
[13:05:44] <archivist> reduces noise
[13:06:08] <archivist> reactor I think is power factor
[13:07:41] <archivist> seems the internet thinks it is an inductor to improve distortion
[13:07:41] <jthornton> http://www.automationdirect.com/adc/Shopping/Catalog/Drives/GS2_%28115_-z-_230_-z-_460_-z-_575_VAC_V-z-Hz_Control%29/AC_Line_Reactors/LR-23P0-1PH
[13:08:18] <archivist> not a filter for vfd noise
[13:08:23] <jthornton> Input line reactors protect the AC drive
[13:08:23] <jthornton> from transient overvoltage conditions
[13:08:23] <jthornton> typically caused by utility capacitor
[13:08:23] <jthornton> switching. Input line reactors also
[13:08:23] <jthornton> reduce the harmonics associated with
[13:08:24] <jthornton> AC drives, and are recommended for all
[13:08:25] <jthornton> installations.
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[13:09:28] <archivist> hard to explain a resonant thing v a low pass filter
[13:09:54] <jthornton> http://www.transcoil.com/Public/Documents/Brochures/KRF-Brochure.pdf
[13:10:27] <jthornton> http://www.automationdirect.com/adc/Shopping/Catalog/Power_Products_%28Electrical%29/Power_Line_Filters/Eaton_1-Phase_Power_Line_EMI_-z-_RF_Filters_w-z-Surge_Protection/ADPV12003
[13:11:34] <archivist> that transcoil thing is a filter
[13:11:55] <jthornton> ok, now I know what to look for
[13:12:52] <archivist> the transcoil shows the wiring and grounding needed
[13:13:45] <archivist> the brochure mentions line reactors as well for distortion reduction if you get tripping
[13:14:20] <zeeshan|2> good choice on the filter
[13:14:22] <zeeshan|2> EATON !! :D
[13:18:05] <jthornton> so the Eaton powerline filter is what I need?
[13:18:13] <zeeshan|2> i dont know
[13:18:19] <zeeshan|2> ill come online in a few min from work comp
[13:18:25] <zeeshan|2> like 30 min and tell you :P
[13:18:26] <jthornton> ok
[13:18:29] <zeeshan|2> i have a big ass broschure at work
[13:18:50] <zeeshan|2> VFD filter right
[13:24:36] <archivist> jthornton, in that thread I mentioned the thin green wire, at a high frequency that becomes inductive so can become significant
[13:25:23] <archivist> 19" is 1/4 wave at 144 mhz
[13:26:38] <archivist> scope either end with vfd on
[13:28:41] <jthornton> the thin green wire is gone
[13:28:57] <jthornton> all grounds go to a common point and are heavy gauge wire
[13:29:18] <archivist> is the wire longer/shorter now
[13:31:21] <jthornton> that wire is gone, the VFD and cabinet ground go to the right hand cabinet so they are 3' or so long
[13:31:49] <archivist> three feet is very inductive
[13:32:32] <archivist> try that scope thing I mentioned
[13:35:21] <jthornton> in the mailing list?
[13:43:04] <archivist> scope either end of the ground with vfd on
[13:43:24] <archivist> so across that 3'
[13:44:02] <gonzo_> archivist, knowing the wavelength at 144MHz has let the cat out of the bag a bit
[13:45:10] <archivist> hard to explain that a wire is open circuit at certain frequencies to a non RF person
[13:46:04] <archivist> electrical noise is a rather large subject
[13:46:44] <gonzo_> I was thinking that you are now marked as a licenced ham
[13:47:05] <archivist> I was, didnt keep the licence
[13:47:24] <gonzo_> they have made them free now
[13:47:49] <gonzo_> and the classA/B differentiatiuoin was dropped
[13:48:07] <archivist> I should get it back but... how many nerds playing cnc are there near me :)
[13:48:55] <gonzo_> what, talking to people on a radio... Well suppose you could!
[13:49:29] <gonzo_> for me it's just about playing with kit.
[13:49:50] <archivist> I can do the playing without transmission mostly
[13:52:26] <archivist> the "play station"
http://www.collection.archivist.info/searchv13.php?searchstr=lounge+bench
[13:57:52] <gonzo_> a nicely stocked bench.
[13:58:27] <archivist> some of it is getting rather old
[13:59:30] <archivist> struggle on saturday get enough of a sweep to set up an fm tuner
[13:59:47] <gonzo_> I get the usual reaction from the lads at the local club, when I say that I built this or that. They ask how many contact/dx worked. I have ho explain that it's just been on the test bench. Don't have any nateenas up
[14:00:20] <gonzo_> I do recognise most of it. Between my workshop and the club kit
[14:01:06] <gonzo_> The vector analyser we have. Was trying to find all the bits only the other week
[14:02:02] <archivist> I have the lf one as well as microwave, should have fire it up saturday
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[14:12:44] <_methods> that is quite the "play station"
[14:13:43] <archivist> :)
[14:14:11] <archivist> part hobby and part tools for earning
[14:15:42] * JT-Shop gets the scope out and tries to figure out how to hook it up
[14:27:41] <JT-Shop> it's pretty
[14:28:51] <zeeshan|2> jt
[14:29:04] <zeeshan|2> it seems like all the eaton drives come with RFI/EMI filter built in
[14:29:08] <JT-Shop> lots of up and down lines, unplugged the VFD and they slowly reduced as the VFD powered down
[14:29:09] <zeeshan|2> and line reactors
[14:29:28] <zeeshan|2> basically what im understanding is the line reactors are there for power factor correction. so you dont need to worry about that since youre single phase
[14:29:37] <JT-Shop> I have the Automation Direct GS2 drive
[14:29:45] <zeeshan|2> the EMI filter you posted is what you want
[14:30:20] <zeeshan|2> the main source of noise emission is the cable between the motor and vfd
[14:30:36] <zeeshan|2> they say it must be grounded and shielded
[14:30:45] <zeeshan|2> what carrier freq are you using?
[14:30:57] <JT-Shop> 60
[14:31:02] <zeeshan|2> 60?!?
[14:31:04] <zeeshan|2> it cant be
[14:31:11] <JT-Shop> the wire to the motor is just SO cord
[14:31:14] <zeeshan|2> the chopping frequency
[14:31:19] <JT-Shop> then I don't understand the question
[14:31:38] * JT-Shop looks in the book
[14:31:41] <zeeshan|2> there is this option to set the "Carrier frequency" in the vfd options
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[14:32:01] <zeeshan|2> if you zoom into the output of your vfd
[14:32:14] <zeeshan|2> you can see the chops in the waves which is related to this value
[14:32:19] <JT-Shop> carrier frequency 1-12 kMh
[14:32:25] <zeeshan|2> khz
[14:32:27] <zeeshan|2> yes
[14:32:39] <JT-Shop> yea kHz
[14:32:56] <zeeshan|2> i forget, but i think the higher the value, the more the noise
[14:33:03] <zeeshan|2> but if you lower it to much it overheats the drive
[14:33:23] <zeeshan|2> one last thing i see in this recommendation thing is
[14:33:27] <zeeshan|2> cage around the vfd
[14:34:05] <zeeshan|2> but most vfds already have a cage :P
[14:34:07] <JT-Shop> the vfd is in a panel by itself
[14:34:12] <zeeshan|2> o
[14:34:29] <zeeshan|2> then i really think its the wire between the vfd and motor
[14:34:45] <JT-Shop> even when the motor is not running?
[14:34:51] <zeeshan|2> no
[14:34:57] <zeeshan|2> if its not running, it doesnt matter
[14:35:18] <zeeshan|2> you have noise from the vfd even when the motor is not running?
[14:35:23] <JT-Shop> I can disconnect the motor and test
[14:36:30] <JT-Shop> default PWM carrier frequency is 12 kHz
[14:36:41] <zeeshan|2> should be ok
[14:36:56] <zeeshan|2> i dont think that has anything to do with it, if you have noise even when motor is not running
[14:37:12] <zeeshan|2> the igbts arent switching
[14:37:37] <JT-Shop> the book says 1kHz has minimal electromagnet noise and leakage current and 15 i smoderate
[14:38:19] <zeeshan|2> but more heating of drive at 1khz i think
[14:38:35] <JT-Shop> minimal at 1 moderate at 15
[14:38:59] <JT-Shop> http://www.automationdirect.com/adc/Shopping/Catalog/Power_Products_%28Electrical%29/Power_Line_Filters/Ferrite_Toroids/TOR221
[14:46:04] <zeeshan|2> i find it really odd that with the motor not running, you have noise issues
[14:46:07] <zeeshan|2> are you sure its the vfd?!
[14:48:59] <JT-Shop> if I unplug the VFD the noise goes away
[14:49:45] <archivist> may have a switching input
[14:49:53] <archivist> a true inverter
[14:51:16] <archivist> there being tow basic types of vfd, rectify to dc bus, rectify and invert to higher voltage bus
[14:51:21] <archivist> two
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[15:05:47] <JT-Shop> bbl
[15:06:37] <pcw_home> The IGBTs may be switching even if the motor is no running
[15:06:38] <pcw_home> (so you have ~360V square waves driving into the motor winding --> case capacitance)
[15:06:47] <pcw_home> not running
[15:09:04] <pcw_home> no motor current since all three outputs are switching with the same 50% duty cycle waveform at once
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[15:10:43] <pcw_home> in addition to line filters, a common mode choke on the UVW wires (a big ferrite bead with all 3 wires passed through)
[15:10:45] <pcw_home> can help eliminate some of the ground bumping caused by the PWM driving into the wiring and motor --> ground capacitance
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[15:18:38] <archivist> the difficult thing with noise is fixing all the causes and upgrading immunity on all affected circuits
[15:28:07] <zeeshan|2> you guyus are the electronics experts :)
[15:28:53] <archivist> dunno about that :)
[15:29:01] <archivist> sooooo much to learn
[15:35:06] <zeeshan|2> my noise emissions check was primitive :P
[15:35:20] <zeeshan|2> bring a radio near the wires :)
[15:35:31] <Jymmm> Eh, it can all be fixed with duct tape!
[15:35:32] <zeeshan|2> that is actually hard to do, because finding a radio these days is hard!
[15:35:33] <archivist> a good way
[15:35:44] <zeeshan|2> i was using an alarm clock :)
[15:35:58] <archivist> tick tock boooooom
[15:36:10] <Jymmm> zeeshan|2: cheap powered speakers
[15:36:52] <archivist> a small loop of wire on a scope is another way
[15:37:08] <zeeshan|2> i need a scope!!
[15:37:30] <zeeshan|2> i should just pull the trigger and buy one
[15:37:34] <zeeshan|2> everytime i start
[15:37:41] <zeeshan|2> i always end up saying "made in china, cannot buy"
[15:37:42] <zeeshan|2> :(
[15:37:59] <Jymmm> zeeshan|2: everything is made in china
[15:38:09] <archivist> a lot of the posh ones are outsource to china as well
[15:39:28] <zeeshan|2> i guess for a scope it shouldnt matter
[15:40:01] <Jymmm> zeeshan|2: Here ya go ya cheap bastard...
http://search.ebay.com/121663892686
[15:40:26] <archivist> ew
[15:40:38] <archivist> cough splutter
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[15:41:15] <Jymmm> archivist: Hey, he was bitching about made in china, well once is solders it together, it will not be made in china!
[15:42:27] <archivist> cannot polish a turd
[15:42:50] <Jymmm> put a bow on it
[15:44:12] <Jymmm> zeeshan|2: One hour left...
http://www.ebay.com/itm/Tektronix-2232-100-MHz-Digital-Storage-Oscilloscope-1603025-/371510137352
[15:45:49] <archivist> not far off what JT has
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[15:47:09] <cradek> 2232 is a really great scope. I love mine.
[15:47:52] <cradek> it has basic storage for when you need it, but the rest of the time you get a real analog scope
[15:50:25] <Jymmm> and not a boat anchor either =)
[15:50:47] <cradek> it's pretty big
[15:51:05] <cradek> but not as long as the 465, my other scope, which I usually use with it sitting upright on the floor
[15:51:09] <archivist> old enough to be made in usa probably
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[15:51:19] <cradek> ... because it's about as long as a desk is tall
[15:51:21] <Jymmm> It's deep, but thats about it
[15:52:18] <cradek> 465 is analog storage, which is really nice for some things - main defecit is you can't see before the trigger, of course
[15:52:26] <cradek> deficit
[15:52:58] <archivist> some teks have a coax delay for that
[15:53:10] <cradek> wow
[15:53:29] <archivist> that going back to the 1960s
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[15:54:20] <archivist> the best for that was the 1 ghz from 1960
[15:54:35] <archivist> a rare beast
[15:55:05] <archivist> transmission line crt, no y amp
[15:55:36] <Jymmm> Damn, thre's actually quite a lot of 2232's up there right now, and pretty inexpensive too =(
[15:56:21] <archivist> http://w140.com/tekwiki/wiki/519
[15:56:54] <archivist> the crt picture on that page was from me
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[15:57:38] <Jymmm> archivist: how long does it take to warm up and stablize?
[15:57:47] <archivist> not long
[15:57:54] <Jymmm> 40m?
[15:58:10] <archivist> a few minutes
[15:58:15] <Jymmm> ah
[15:58:50] <archivist> the technology is is all in the tube, and the 4cx250 scanning tube
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[16:05:59] <cradek> wow the blower system for cooling that one tube is impressive
[16:06:44] <archivist> RF power for the scanning :)
[16:07:11] <archivist> my crt heater failed open
[16:07:17] <cradek> aww
[16:07:46] <archivist> and then when walking past it one day something fell on it
[16:08:19] <archivist> still have the middle section of the crt
[16:08:23] <cradek> oops I meant 466, not 465
[16:08:36] <cradek> aw jeez, it had a rough life
[16:08:47] <archivist> it did with me :(
[16:08:51] <pcw_home> 465 is the standard 100 MHz analog
[16:09:37] <JT-Shop> is this a ferrite bead?
http://www.automationdirect.com/adc/Shopping/Catalog/Power_Products_%28Electrical%29/Power_Line_Filters/Ferrite_Toroids/TOR221
[16:10:49] <pcw_home> Yep, though that one might be a ferrite bracelet...
[16:12:26] <TAPit> I'm confused as to what touch off does, following the manual for Axis - start, power, home. touch off, run - however the shape which is a 24x24 inch L is 'off the work surface and to the left' of where we would like it to be. Any ideas?
[16:13:11] <archivist> sets a reference to the work
[16:13:40] <JT-Shop> reading the GS2 manual and it recommends this EMI input filter
http://www.automationdirect.com/adc/Shopping/Catalog/Drives/AC_Drive_%28VFD%29_Spare_Parts_-a-_Accessories/GS_EMI_-z-_RF_Filters/EMI_-z-_RF_Filters_%28All_GS_Drives%29/32DRT1W3C
[16:13:42] <cradek> touch off causes the current machine position to become the number you give. so if you're touching the place on the workpiece you want to be "1.23", touch off "1.23"
[16:15:41] <archivist> how you use touch off varies a bit with various uses (I set 0 at centre of my rotary usually)
[16:15:43] <zeeshan|2> speaking of touch off
[16:15:51] <zeeshan|2> what does touch of to fixture do in 2.7.3
[16:15:56] <zeeshan|2> it seems to do nothing :P
[16:16:02] <zeeshan|2> vs touch off to workpiece
[16:16:18] <zeeshan|2> im using the same place on the table to setup tool heights
[16:16:51] <cradek> zeeshan|2: did you find the docs for that? it's just a different G10 mode
[16:16:59] <zeeshan|2> no i did not
[16:17:04] <cradek> lemme see
[16:17:48] <cradek> http://www.linuxcnc.org/docs/html/gui/axis.html#sub:axis-machine-menu
[16:18:08] <cradek> it has links to the two G10 modes
[16:19:31] <zeeshan|2> ah
[16:19:40] <zeeshan|2> i dont see a difference because my g92 offset is set to 0.
[16:21:35] <zeeshan|2> good to know!
[16:25:18] <JT-Shop> zeeshan|2: on my lathe I have two pyvcp buttons "touch off to fixture" and "touch off to material"
[16:25:51] <JT-Shop> I set my tools on my turret with "touch off to fixture" and get my Z0 of the material with "touch off to material"
[16:27:18] <zeeshan|2> but if you dont have g92 set
[16:27:21] <zeeshan|2> they seem to do the same thing
[16:29:28] <JT-Shop> I don't use G92 on my lathe
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[16:29:36] <JT-Shop> I think your a bit confused
[16:30:19] <JT-Shop> here is how I set tools on the lathe... touch off each tool Z to the spindle face and set the X offset by trial and error by cutting and measuring
[16:30:52] <cradek> I agree that you're missing something if you think they only differ by G92
[16:30:56] <JT-Shop> when I put a piece of material I take one tool usually T1 and touch off to the material and that sets the offset so all tools know where Z0 is
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[16:32:29] <JT-Shop> MDI_COMMAND = G10 L11 P#5400 Z0.0 is the button to touch off to fixture
[16:32:32] <TAPit> So I touched off X, Y and Z am I not supposed to do that?
[16:32:35] <_methods> http://www.nbcnews.com/slideshow/massive-landslide-destroyed-buildings-shenzhen-least-27-unaccounted-n483401
[16:33:00] <_methods> that's gonna put a dent in chinese electronic stuff for a minute
[16:33:08] <JT-Shop> MDI_COMMAND = G10 L20 P1 Z0.375 is the command to touch off to material as I use a 0.375 dowel using the cradek method to touch off
[16:35:30] <_methods> wow that was a waste water spill
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[16:37:29] <cradek> those poor workers :-(
[16:37:36] <_methods> yeah 13 dorms
[16:37:38] <_methods> were hit
[16:38:10] <_methods> i can't believe only 91 people are missing in all that
[16:38:48] <cradek> yeah, that makes no sense so it's probably an outright lie
[16:39:22] <_methods> The damaged buildings included 14 factories, two office buildings, one cafeteria, three dormitories and 13 sheds or workshops, Shenzhen Deputy Mayor Liu Qingsheng said at a news conference.
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[16:39:39] <_methods> crazy
[16:42:48] <zeeshan|2> jt-shop thats exactly what i do for both lathe and mill
[16:42:55] <zeeshan|2> with mill slightly diff. the chuck is the table
[16:43:05] <zeeshan|2> but seting up my tool table
[16:43:34] <zeeshan|2> i do Tx M6 G43, touch off the tool w/ a 123 block on the table
[16:43:50] <zeeshan|2> i dont need to select "touch to work piece or fixture"
[16:44:04] <zeeshan|2> it doesnt seem to get affected by that option
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[16:45:09] <zeeshan|2> i press the "tool touch off" button
[16:45:10] <cradek> if you have no g59.3 offset and you area also in a system that has no offset (like G54, and G54 has no offset) then they will work the same
[16:45:27] <cradek> because the g54 vs g59.3 difference makes no difference
[16:46:28] <zeeshan|2> they will work the same when?
[16:46:31] <zeeshan|2> when youre doing tool touch off
[16:46:37] <zeeshan|2> or regular touch off
[16:46:58] <cradek> the fixture/workpiece setting affects tool touch off
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[16:47:31] <zeeshan|2> hmm..
[16:47:33] <zeeshan|2> i had g54 set
[16:47:42] <TAPit> zeeshan are you on a lathe or mill?
[16:47:45] <zeeshan|2> and i never selected fixture/workpiece
[16:47:47] <zeeshan|2> mill
[16:48:40] <TAPit> I am on a mill as well. How do you start work to run a file? My file is being run about 1 foot to the left of where I would like it to be. Any idea what I am not doing correct?
[16:49:56] <zeeshan|2> assuming all your tools are set
[16:50:03] <zeeshan|2> i load up a known tool, and touch off to work piece
[16:50:06] <cradek> it's very hard to tell, not being there. maybe write up a list of every step you are doing (every click, every thing you type, each way you move the machine), and put it on pastebin?
[16:50:19] <zeeshan|2> okay i will later tonight
[16:50:28] <zeeshan|2> @ work right now :P
[16:50:59] <TAPit> Zeechan|2 I have not yet set many tools in the tool table, just one. Any the axix of concern is X not Z - my work is 1 foot off the X azis.
[16:51:30] <TAPit> Zeeshan do you 'touch off' the Z axis only or also Y and X?
[16:51:37] <zeeshan|2> all 3 axis
[16:51:48] <zeeshan|2> otherwise how does the controller know where your work piece is?
[16:51:55] <TAPit> And that moves your offsets to G54 correct?
[16:51:55] <zeeshan|2> unless this is a router
[16:52:11] <zeeshan|2> or something where the top left corner is always 0
[16:52:21] <zeeshan|2> yes
[16:53:00] <TAPit> If I have set my coordinate system my touching off and G54 is set - why would the work be 1 foot off where I expect it to be?
[16:54:12] <archivist> did you home the machine first
[16:54:26] <zeeshan|2> if the machine isn't homed
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[16:54:37] <zeeshan|2> then your machine extents in the ini are not set correctly
[16:54:45] <zeeshan|2> and or home offset
[16:54:50] <TAPit> archivist yes I homed the machine first as the manual says Power, Home, Touch off
[16:55:06] <TAPit> zeeshan - I will buy that
[16:55:21] <zeeshan|2> i had same issue :P
[16:56:16] <zeeshan|2> i really dislike square holes
[16:56:32] <zeeshan|2> they are making my life a miserable nightmare for strength analysis :(
[16:57:04] <archivist> I found square holes boring to make
[16:58:54] <Jymmm> HELIX HOLES!!!
[16:59:23] <archivist> we used broach them
[17:00:24] <Jymmm> ...with DNA pairs!!!
[17:01:09] <archivist> no a fly press
[17:01:20] <Jymmm> ?
[17:01:35] <TAPit> zeeshan|2 which extents would you suspect? HOME, HOME_OFFSET - both 0 -
[17:01:40] <archivist> http://www.collection.archivist.info/archive/DJCPD/PD/2008/2008_10_07_Richards_of_Burton_clockworks/P1010220.JPG
[17:02:00] <archivist> you can just make out the square tool
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[17:43:30] <MrSunshine> boxjoints with the cnc was awesome =)
[17:43:43] <MrSunshine> easy assemble boxes to replace cardboard boxes we had before for storing materials =)
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[17:44:45] <andypugh> To me a boxjoint is something quite different
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[17:45:39] <MrSunshine> http://www.startwoodworking.com/sites/default/files/uploads/taunton/images/finished%20box%20joint.jpg
[17:46:58] <andypugh> https://union.ic.ac.uk/rcc/rcsmotor/gallery/index.php/ntypes/oa5800/DSCF2516
[17:47:33] <andypugh> The square knuckle in the square hole, like the second-worst universal joint possible.
[17:48:01] <andypugh> (I thought it was the worts until I saw what Dennis used before the Box Joint)
[17:48:07] <archivist> see also box joint cutters
[17:49:16] <archivist> http://www.clearlyhelena.com/wp-content/uploads/2015/05/box-joint-300x173.jpg
[17:49:34] <archivist> a forged joint
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[17:52:28] <andypugh> I like that style of joint, and I would like to see how they assemble them.
[17:52:35] <maxcnc> hi all on the shortest day of the year
[17:53:07] <archivist> andypugh, reasonably easy, I made a model pair
[17:54:10] <archivist> I heated the outer, opened it with a taper, pushed the inner through, hammered it together and riveted the joint
[17:54:52] <archivist> but it escaped my pocket while walking around the model engineering show
[17:56:28] <andypugh> I guess that the cold inner flattens the hot outer into a decent bearing surface?
[17:57:28] <archivist> yes, they are always a bit tight till you wear them in
[17:58:21] <archivist> seems Lindstrom dont use that joint any more on the wire cutters
[18:00:45] <archivist> hmm xmas project, make another and take pics
[18:02:00] <maxcnc> xmas is also here why im on the system as expected TODAY cand you please its for xmas
[18:03:44] <FinboySlick> The Sun god dies on the 21st, for 3 days, and on the 25th, is reborn.
[18:04:43] <maxcnc> PCWits working now with no major breakdowns but the com error is still up on extra caracters
[18:06:15] <maxcnc> FinboySlick: i gues its only making some cookies
[18:07:32] <FinboySlick> maxcnc: Yeah. It's also the explanation for a lot of religious constructs.
[18:08:42] <maxcnc> rel or the biggest disaster ever
[18:09:21] <andypugh> maxcnc: You can mask the errors if they truly don’t matter
[18:09:49] <maxcnc> where abnd how
[18:10:12] <andypugh> …sserial.inc / dec / limit
[18:10:19] <maxcnc> i advised the xhbc to just delete them
[18:10:46] <andypugh> man sserial should explain
[18:11:10] <maxcnc> on the old software bin
[18:11:36] <maxcnc> pcw said he woudt do a increase on that issue
[18:13:12] <maxcnc> he also anounced that there is a alternative bin somewhere but i coudt not find it on his web
[18:14:10] <andypugh> The driver also lets you adjust the sensitivity to errors.
[18:14:48] <maxcnc> can iedit this file with nano
[18:15:30] <maxcnc> no compiling or somthing to install after editing
[18:16:44] <andypugh> Which file?
[18:16:53] <maxcnc> the serial.inc
[18:17:05] <pcw_home> Actually you cant currently adjust sensitivity to errors as theres a bug in sserial error handling in 2.7
[18:17:08] <andypugh> It’s not a file, it’s a HAL parameter
[18:18:05] <andypugh> pcw_home: Even if the error is reported every single serv thread, setting inc less than dec should mask it?
[18:18:49] <andypugh> Or did somebody (other than me) change something?
[18:19:28] <pcw_home> I guess it should (but thats the current issue, if you evenr get a local com error you will continue to get then every cycle)
[18:19:29] <maxcnc> andypugh: can you give me your numbers on that
[18:20:07] <maxcnc> i only get it once and only if the plasma fireres
[18:20:10] <andypugh> maxcnc: dis you read man sserial?
[18:20:26] <maxcnc> im not on the mashine right now
[18:20:32] <maxcnc> i will
[18:23:42] <pcw_home> This worked on 2.6 (but 2.6 didn't report remote faults)
[18:23:43] <pcw_home> I think when someone (micges) added the remote fault
[18:23:44] <pcw_home> error printout, the local fault reporting got broken
[18:24:25] <pcw_home> I meant "micges?" because I dont recall who changed it
[18:25:14] <andypugh> https://github.com/jepler/linuxcnc-mirror/commit/5d99bc0e66afe9d06e509d5dbd592b664a7b6a7c
[18:26:13] <andypugh> But it still seems to use the inc/dec logic, so somplete masking ought to be possible.
[18:27:46] <pcw_home> yeah so masking should work but than you have no error reporting (since it you will have to mask errors reported every servo thread)
[18:29:57] <pcw_home> I'll see if migcges can fix it when he's around
[18:30:44] <andypugh> Yes, all errors will be masked, but that might be better than the machine that used to work not working any more.
[18:30:57] <pcw_home> yeah
[18:31:17] <andypugh> (And it might be possible to set thigns up so that if you get two errors per ervo thread, then things still report)
[18:33:22] <maxcnc> i will check that by setting .fault-inc to 5 or lower
[18:33:30] <pcw_home> the basic problem is the the 2.7 error reporting doesnt take into account that there are two types of error bits
[18:33:31] <pcw_home> dynamic (per do-it) errors and sticky errors. the sticky error reporting should only be done if the per cycle error
[18:33:33] <pcw_home> is set after a do-it
[18:37:24] <andypugh> I would look into it, but I have castings to machine, and that seems like more fun
[18:38:05] <pcw_home> Error handling has to be one of the least fun aspects of programming
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[18:52:47] <lair82> pcw_home, I realized this morning that the new preempt kernel also eliminated that problem with Debian not shutting down when pressing "Shutdown" that I found a few months back. Now it shuts off like it should instead of re-starting.
[18:55:53] <pcw_home> Yeah the stock preempt kernel is too old for recent MBs
[18:57:36] <lair82> Things have been going really good since I put that new kernel on.
[18:59:20] <pcw_home> Yeah I have about a year of HM2-Eth uptime with Preempt-RT kernels > 3.18 at 4 KHz without issue
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[19:06:18] <pcw_home> andypugh: sserial error masking does not appear to work (or I dont understand the inc/dec/lim functions)
[19:06:19] <pcw_home> (set inc to 0, dec to 1 lim to 1000 ) generate overcurrent error, 1000s of sserisl errors
[19:12:57] <maxcnc> Gn8 ;-)
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[19:45:45] <cpresser> hi, i am still searching for an european(!) source of UNC 4-40 rivet-nuts. Anybody got a hint where to look? I cant find a german distributor
[19:46:56] <Tom_itx> i posted a couple .eu links the other day
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[19:48:31] <cpresser> Tom_itx: sorry, didnt see them, ill scroll back..
[19:48:56] <Tom_itx> don't remember what they were now
[19:49:12] <Tom_itx> would have been the day you asked before
[19:49:40] <Tom_itx> http://www.spaldingfasteners.co.uk/rivet-nuts/
[19:50:07] <Tom_itx> those all look metric
[19:50:37] <cpresser> yep, unfortunately my scrollback buffer is only 1k lines. but a few people here are running logging-bots. ill google for them
[19:50:46] <cpresser> does the UK use metric or imperial?
[19:53:00] <Tom_itx> <Tom_itx> cpresser_,
http://www.rivetwise.co.uk/rivets/rivet-nuts.asp
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[19:55:06] <cpresser> Tom_itx: those also look metric :/
[19:55:34] <Tom_itx> i'm in US can't help with anything but .eu links :)
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[19:56:27] <Tom_itx> does fastenal deliver to uk?
[19:56:31] <cpresser> i didnt imagine it would be that hard to source them
[19:58:15] <Tom_itx> use 3mm instead?
[19:59:30] <Tom_itx> i bet china will send you some
[19:59:48] <cpresser> i want to use usb-cables with fasteners:
http://shop.wiregate.de/media/catalog/product/cache/1/image/5e06319eda06f020e43594a9c230972d/a/n/ansicht_usb2-leitung_a-b_1.png
[20:00:00] <cpresser> they are using imperial threads.
[20:00:12] <Tom_itx> really?
[20:00:34] <cpresser> actually they kind of work with m3, but only 1-2 revolutions
[20:00:45] <Tom_itx> different pitch threads
[20:00:48] <Tom_itx> won't work
[20:01:19] <Tom_itx> how many are you looking for?
[20:01:39] <cpresser> 50 for the first batch
[20:01:54] <cpresser> to make things even more complicated: i also need the setting-tool
[20:02:15] <Tom_itx> have one of your merican friends send you some
[20:03:20] <Tom_itx> or make one
[20:03:40] <Tom_itx> http://www.rivetnuttool.com/
[20:03:49] <Tom_itx> looks pretty easy to make a crude one
[20:04:38] <JT-Shop> a bolt a couple of washers and a nut = rivenut tool
[20:05:08] <cpresser> JT-Shop: exactly what i was thinking :)
[20:05:10] <Roguish> cpresser:
http://wiki.linuxcnc.org/cgi-bin/wiki.pl?IrcLogs
[20:05:51] <Tom_itx> Roguish, i got the link from my logs
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[20:06:58] <Roguish> Tom_itx: actually, that wiki page has a couple of dead links.
[20:07:10] <Tom_itx> not surprised
[20:09:26] <Tom_itx> JT-Shop, a tool would probably be better for 50+ like he indicated
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[20:10:27] <JT-Shop> yea, for 50+ you might want something a little better
[20:10:56] <Tom_itx> pneumatic maybe
[20:11:11] <JT-Shop> http://gnipsel.com/images/shop/wood-rack-01.jpg
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[20:11:49] <Tom_itx> good home for rats
[20:12:01] <Roguish> black widow spiders
[20:12:33] <JT-Shop> till they get caught
[20:12:48] <JT-Shop> we have brown recluse spiders
[20:12:56] <Tom_itx> even looks level from here
[20:13:09] <Roguish> we like the widows out here.
[20:13:09] <Tom_itx> so do we
[20:13:18] <Roguish> SF bay area
[20:13:32] <Tom_itx> the mrs has been bitten twice by them
[20:13:46] <Tom_itx> seem to like her for some reason
[20:13:49] <cpresser> Tom_itx: there is a fastenal-store next to munich. ill give them a call tomorrow.
[20:13:59] <Tom_itx> may be your best bet
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[20:15:10] <Tom_itx> JT-Shop, what's this i hear you whinin about needing a bigger shop already?
[20:16:38] <Tom_itx> [18:52:09] * jthornton thinks about a new building for the equipment
[20:17:09] <Tom_itx> you barely got siding on the first one...
[20:17:25] <Tom_itx> at least let the paint dry before you expand
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[20:31:07] <rob_h> cpresser, try these people they do alot of stuff and alot of electrical also...
http://www.trfastenings.com we use them alot for sheet metal fixings... but might tell you a reseller in your country too
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[20:33:10] <irontree9> I am using BlenderCAM and LinuxCNC and I have a problem with corners getting rounded off and am not sure why it is happening. If the tool path has a curve it is followed exactly yet if there is a sharp corner it get rounded. running about 1200mm/min
[20:33:13] <JT-Shop> making a metal building for my equipment
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[20:34:53] <Roguish> sounds like someone has tooo much time on his hands. ought to be out riding a bit more.
[20:37:46] <cpresser> rob_h: thanks for the tip. ill give them a call as well
[20:38:39] <gregcnc> irontree9 Turn on exact stop mode G61 to prevent cutting off corners.
http://linuxcnc.org/docs/2.7/html/gcode/g-code.html#gcode:g61-g61.1 this will mean a stop at every programmed point. OK if most of your cuts are long straight lines. otherwise play with G64 options.
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[20:40:02] <skunkworks> Or use G64Px.xxx where x.xxx is how close you want linuxcnc to follow the path.
[20:40:32] <irontree9> thanks
[20:41:01] <skunkworks> it will then run the path smoother than G61 and still follow the path closely.
[20:47:04] <bobo__> JT-Shop is the new equipment building going to house a Euclid TC-12 , please
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[20:53:15] <irontree9> Cut is perfect :) thanks gregcnc
[20:53:41] <irontree9> I used G60 P0.015
[20:53:45] <irontree9> I used G64 P0.015
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[21:14:23] <andypugh> pcw_home: That’s disappointing, I am prety sure it used to work.
[21:15:22] <andypugh> Does it shut down the port too? I think that the inc/dec is what stopping the port depends on. It is only meant to report each error once, but perhaps that is broken now?
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[21:30:38] <PCW> Its hard to tell whats happening since there are 1000's of messages
[21:31:17] <PCW> I should try running a a 50 Hz or so servo thread
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[21:48:38] <andypugh> I knaow that that sort of error reporting kills the machine eventually, if they are going to dmesg.
[21:48:54] <andypugh> (if nothing else, you run out og HD space)
[21:50:11] <andypugh> pcw_home: Off back to the workshop. I will be back in an hour or so,
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[22:09:40] <Deejay> gn8
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[23:00:55] * Jymmm HATES fucking plumbing threads!!! Just too many different types
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[23:21:05] <Jymmm> "Technical Data for Propane, Butane, and LPG Mixtures" (1.4KB PDF)
http://www.altenergy.com/Downloads/PDF_Public/PropDataPdf.PDF
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[23:39:43] <Tom_itx> and that's why
[23:39:50] <Tom_itx> they don't wanna mix em up
[23:40:20] <JT-Shop> waddup Tom_itx
[23:40:37] <Tom_itx> just plopped down for a sec
[23:40:40] <Tom_itx> you?
[23:40:52] <JT-Shop> playing with the probe for a bit
[23:41:06] <JT-Shop> just can't plug in the VFD lol
[23:41:06] <Tom_itx> 2 more drawings then they'll all be done
[23:41:09] <Tom_itx> heh
[23:41:11] <Tom_itx> bummer
[23:41:31] <Tom_itx> it won't run without the probe now either?
[23:41:42] <Tom_itx> so it was a 2.7 error reporting thing after all?
[23:42:36] <JT-Shop> well it is my VFD is noisy and 2.7 is uber picky... I have a filter and a ferrite bracelet on the way
[23:42:54] <JT-Shop> turns out the GS2 has a filter made just for it...
[23:42:58] <Tom_itx> hope that does the trick
[23:43:24] <JT-Shop> you don't know how much I hope that works
[23:43:37] <Tom_itx> it was probably right when you needed it too
[23:44:12] <Tom_itx> so you don't think you borked the 7i77?
[23:44:24] <Tom_itx> err whatever card it was
[23:44:30] <JT-Shop> no, it works fine as long as the VFD is unplugged
[23:44:41] <Tom_itx> bet that made you feel better
[23:44:58] <JT-Shop> yea
[23:44:59] <Tom_itx> probably good to have a spare anyway
[23:45:14] <Tom_itx> i think i have a spare set now of sorts
[23:46:37] <PCW> Shutting done on random sserial errors is a actual bug in 2.7.X
[23:46:42] <JT-Shop> Yea, I'll order a 6i25-7i77 for these newer PC's as a spare
[23:48:01] <Tom_itx> PCW working on a fix i hope?
[23:48:40] <PCW> I think micges can fix
[23:48:48] <JT-Shop> well I thought it was working I went to home and got the sserial errors
[23:49:08] <Tom_itx> JT-Shop, just now?
[23:49:49] <PCW> did you get occasional errors with 2.6?
[23:50:21] <FloppyDisk> PCW - Mark Johnsen here... I did get one or two occasional errors w/ 2.6. But no more than 2.
[23:50:43] <FloppyDisk> I have a 5i25/7i77 as well, with the same gs2 setup as JT-shop
[23:50:47] <JT-Shop> yea
[23:50:53] <PCW> yeah 2.7 will report endless error when its just had 1
[23:50:54] <FloppyDisk> I used his examples to setup - thanks...
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[23:52:31] <FloppyDisk> As in - thank you JT for the exmaples, appreciate it.
[23:53:44] <zeeshan-laptop> best part about doing masters part time. using the lab facilities at this time
[23:53:57] <zeeshan-laptop> i have some serious electronic music playing
[23:54:05] <zeeshan-laptop> at full blast :D
[23:54:49] <JT-Shop> you'll put your eye out
[23:55:02] <zeeshan-laptop> haha
[23:55:26] <zeeshan-laptop> its only a bunch of servo hydraulic forming presses here :P
[23:55:29] <zeeshan-laptop> and tensile testers
[23:55:50] <zeeshan-laptop> not running em :P
[23:56:21] <zeeshan-laptop> if my prof shows up, hed be like whats up
[23:56:27] <zeeshan-laptop> and start partying :D
[23:56:31] <zeeshan-laptop> need some led lights
[23:56:39] <zeeshan-laptop> jt did you fix the noise issue
[23:59:11] <JT-Shop> no, I ordered a filter and ferrite
[23:59:26] <JT-Shop> the GS2 has a filter that fits under the drive
[23:59:43] <FloppyDisk> JT-shop - is the filter that reactor you showed earlier? or different?
[23:59:50] <JT-Shop> different
