#linuxcnc | Logs for 2013-01-24

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[00:08:46] <r00t4rd3d> http://weatherspark.com/
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[00:37:15] <tjb1> r00t4rd3d: get your obd2 scanner yet?
[00:39:11] <r00t4rd3d> no
[00:39:31] <tjb1> I did :P
[00:41:43] <r00t4rd3d> did you get a engine sound app?
[00:42:04] <tjb1> no
[00:42:11] <tjb1> I dont have a loudspeaker
[00:42:28] <r00t4rd3d> it goes through your stereo
[00:42:52] <JT-Shop> how about a quietspeaker?
[00:43:11] <tjb1> I know r00t4rd3d, who is gonna hear it?
[00:43:30] <r00t4rd3d> you
[00:43:34] <r00t4rd3d> https://play.google.com/store/apps/details?id=com.appagonia.SoundRacer
[00:43:50] <r00t4rd3d> watch the video lol
[00:44:51] <Jymmm> That is the lamest thing to a wannabe a real race car that I've ever seen...
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[00:45:37] <Jymmm> Tuned exhaust on a MC I get, it's so everyone hears you coming and doens't run into you, but damn.
[00:46:11] <Jymmm> Doesn't like Mattall/Tyco kid cars have that???
[00:46:23] <Jymmm> Vrmmmmmmm Vrmmmmmmmmm
[00:46:59] <Jymmm> Almost as bad as Monza tips
[00:49:02] <r00t4rd3d> https://www.youtube.com/watch?feature=player_detailpage&v=1RZwwYXNzgM#t=97s
[00:49:40] <JT-Shop> http://www.arboristsite.com/firewood-heating-wood-burning-equipment/223700.htm
[00:50:44] <Jymmm> JT-Shop: ?
[00:50:50] <JT-Shop> ?
[00:50:55] <r00t4rd3d> https://www.youtube.com/watch?feature=player_detailpage&v=b9XAC-BvUyo#t=70s
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[00:53:21] <Jymmm> JT-Shop: you linked to a wood burning forum, did you want us to see something?
[00:53:35] <JT-Shop> the banana tree!
[00:53:46] <r00t4rd3d> You are not logged in or you do not have permission to access this page. This could be due to one of several reasons:
[00:53:47] <Jymmm> JT-Shop: you have to be logged in to view
[00:53:57] <JT-Shop> crap
[00:54:04] <r00t4rd3d> imgur.com
[00:54:24] <Jymmm> It be strange driving a stick with left hand I think
[00:55:25] <Valen> pshaw, its how its sposed to be
[00:56:36] <Jymmm> We drive on the RIGHT side, you drive on the WRONG side.
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[00:57:45] <Jymmm> But, depending on where you area in the Bay Area, many drive on the wrong side =)
[00:58:16] <Valen> we drive on the correct side, you lot just decided to change to be narky
[00:58:55] <ReadError> hey
[00:59:02] <ReadError> who first mass produced the car?
[00:59:04] <ReadError> 'murica
[01:00:39] <Valen> the change happened well before the car
[01:01:04] <Valen> around the era of your "war of independence"
[01:02:14] <r00t4rd3d> probably Benz
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[01:03:07] <r00t4rd3d> and was in Germany
[01:03:43] <r00t4rd3d> Ford was not the first to mass produce cars.
[01:04:22] <andypugh> Selden invented the car.
[01:05:15] <tjb1> Would turning a faucet on stop the pipe from freezing?
[01:05:23] <andypugh> Oh, no, wait. Selden _patented_ the car. Seems to be considered the same thing in the US.
[01:05:41] <Jymmm> tjb1: Yes, just barly let it drip
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[01:06:19] <Jymmm> tjb1: still should instulate it where it's exposed outdoors if you can. even wrapping a towr around it
[01:06:27] <ReadError> ford made the production line
[01:06:28] <Jymmm> towel
[01:06:42] <ReadError> so he was the first mass producer
[01:06:53] <tjb1> Its under the house, older plumbing…the new ones under the house have heated wrap and insulation
[01:07:23] <Jymmm> tjb1: Ok, just let it drip a bit.
[01:08:41] <Valen> you need to understand how it stops it
[01:08:47] <ReadError> cutting some "XX Garolite"
[01:08:53] <ReadError> seems to cut pretty decent
[01:09:03] <ReadError> next im going to try this "Machinable Garolite"
[01:09:11] <Jymmm> tjb1: If you got a bucket, at least try to recover as much water as you can, plants, washing whatever.
[01:09:26] <tjb1> I'm not at home, telling my mom to do it
[01:09:49] <Jymmm> same thing
[01:09:51] <ReadError> they mail your printer tjb1 ?
[01:09:56] <tjb1> It will be here friday
[01:12:00] <Jymmm> Hmmm, disconnect the fuel filter, and feed the N2 tank into the fuel line WITHOUT a regulator =)
[01:12:21] <andypugh> ReadError: Ah, phenolic composites. The big brand here is Tufnol, and they have different types designated "Whale Brand", "Carp Brand", "Vole brand" http://www.tufnol.com/tufnol/default.asp?id=21
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[01:13:42] <ReadError> andypugh, yea, ive mostly done G10
[01:13:43] <Jymmm> OH! I know... pressurize the fuel tank from a nitrogen one =)
[01:13:50] <ReadError> it cuts nice, but this is some 1/4" thick stuff
[01:14:03] <ReadError> i could see several endmills getting toasted in the process
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[01:14:29] <Jymmm> paper phonelic... that shit is a butch to cut!!!
[01:14:35] <Jymmm> bitch
[01:14:53] <ReadError> well i can get it to cut decent
[01:14:54] <Jymmm> I took a torch to it for 5m, just chared slightly.
[01:15:02] <ReadError> i just destroy endmills ;)
[01:15:10] <Jymmm> yeah, need carbon
[01:15:14] <ReadError> so ive been using $3 ones from ebay so i dont feel bad about tossing them
[01:15:44] <ReadError> they actually work fairly well
[01:15:47] <Jymmm> I just use the piece I have as a non conductive heat barrier
[01:15:55] <Jymmm> too expensive =)
[01:17:03] <ReadError> cranking along at 20IPM on this
[01:17:10] <ReadError> i could probably go higher maybe
[01:17:39] <ReadError> low DOC though, its my aluminum toolpath
[01:17:43] <Jymmm> man this sucks... I can get a in-tank fuel pump for $25 off ebay, but if it dies in 30d, I have to drop the tank AGAIN.
[01:18:11] <Jymmm> And I cant seem to find external one, and dont' know if it'll fail emissions visual inspection.
[01:18:45] <Valen> there is a special way of sharpening stuff to cut fiberglass
[01:19:00] <Valen> i don't know what it is but my dad used to work in fiberglass for 30 years
[01:19:26] <Valen> if he "sharpened" a drill it'd do a buttload of holes, a new one from the box would do 50-100
[01:19:57] <Jymmm> My glass drillbits are blunt edges
[01:20:10] <Jymmm> glass/concrete/ceramic
[01:20:13] <ReadError> someone told me, rotozip bits
[01:20:18] <Valen> something like that as i vuagley recall
[01:20:22] <ReadError> with the little bump style teeth
[01:20:36] <Valen> (garolite is just fiberglass basically)
[01:20:41] <Jymmm> ReadError: those are abrasive cutters, kinda icky
[01:21:19] <Valen> most of the cutting of finished parts they did was with a die grinder with a diamond blade in it
[01:21:27] <Jymmm> I just use LOTS of water and take my time and I get a perfect holes.
[01:21:48] <Jymmm> Do use a backer so it doesn't chipout the back though.
[01:21:59] <Valen> masking tape ftw!
[01:22:18] <Jymmm> Not for ceramic though, needs to be solid and flush
[01:22:36] <Valen> I have milled glass on our mill ;->
[01:22:52] <Valen> used a diamond burr and did it in a water bath
[01:23:06] <Jymmm> this isn't diamond
[01:23:23] <Jymmm> it's a spade bit
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[01:59:46] <r00t4rd3d> ReadError, stop making toys and print my goggles!
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[02:02:20] <Jymmm> googles?
[02:02:58] <r00t4rd3d> http://www.thingiverse.com/thing:43655
[02:04:08] <Jymmm> r00t4rd3d: Are you going to buy every gadget you can find for your phone?
[02:04:40] <r00t4rd3d> what phone?
[02:05:07] <r00t4rd3d> other then a screen protector and case I have no phone gadgets :)
[02:05:11] <Jymmm> nexus whatever
[02:05:23] <Jymmm> bt odb2
[02:05:32] <Jymmm> odb2 app
[02:06:06] <Jymmm> osb2 rpm pseudo ferrari
[02:06:07] <ReadError> engine noise
[02:06:09] <ReadError> lol
[02:07:27] <ReadError> sigh
[02:07:29] <ReadError> this sucks
[02:07:36] <ReadError> i have all this money put aside for my router
[02:07:40] <ReadError> and im torn about what to get
[02:07:51] <Tom_itx> then wait
[02:07:55] <r00t4rd3d> supported rails and ball screws
[02:07:56] <Tom_itx> do more research
[02:08:00] <ReadError> yea thats what i figured Tom_itx
[02:08:04] <Jymmm> I need to sell mine.
[02:08:07] <ReadError> i dont want to rush into this
[02:08:09] <ReadError> and be unhappy
[02:08:52] <Tom_itx> decide what you want to do with it first
[02:09:02] <ReadError> well i have that decided
[02:09:11] <ReadError> light aluminum, g10 and CF
[02:09:21] <Tom_itx> if you buy a router and really wanted a mill you will be dissapointed
[02:09:27] <ReadError> well i got a small mill
[02:09:36] <ReadError> its basically for 2.5d stuff
[02:09:44] <ReadError> very light on the Z axis
[02:09:56] <ReadError> all the cutting itself is done on 2d
[02:11:16] <ReadError> basically i want to lay down around 2 24x24" sheets
[02:11:21] <ReadError> and let it run the toolpath
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[02:12:04] <Jymmm> 24" x 24" x 6" travel, 2.25HP 18-25K RPM spindle, 80/20 frame, energy chain, 230 steppers, xylotex controller PLUS Parker OEM650 controllers, DIN rail, 48V PS, dust enclosure, etc.
[02:12:24] <Tom_itx> for free?
[02:12:39] <r00t4rd3d> ill trade you ReadError little sister forit
[02:13:09] <ReadError> where are you at Jymmm ?
[02:13:13] <Valen> theres sisters being traded here?
[02:13:15] <Jymmm> Safety relay, 24V LED industrial controls, aluminum chassis enclosures, PANDUIT!, cabling, etc
[02:13:20] <Jymmm> ReadError: SFO
[02:13:37] <ReadError> san fran ?
[02:13:44] <Jymmm> yep
[02:13:47] <ReadError> yikes
[02:15:07] <Jymmm> Thomson ball screws on XY, Acme on Z. 20 or 22mm Abba linear rails, zirk fittings on the trucks, grease gun,
[02:15:24] <Jymmm> the list goes on and on and on
[02:15:29] <Tom_itx> free delivery?
[02:16:16] <ReadError> price ?
[02:16:18] <Jymmm> Extra risers for the Z to go from 0-6" to 3"-9", good for engraving the top of jewlery boxes, etc
[02:17:18] <r00t4rd3d> why you getting rid of it, too complicated?
[02:17:21] <Jymmm> the Parker based contrller isn't built, but I had been collecting all the parts for it.
[02:17:39] <Jymmm> r00t4rd3d: I have a laser now. It's what I always wanted in the first place.
[02:17:43] <r00t4rd3d> oh
[02:18:02] <ReadError> http://25.media.tumblr.com/tumblr_mad2p0Sy101rg9f11o1_500.jpg
[02:18:07] <ReadError> that would totally be me with that
[02:18:42] <Jymmm> Also, on the xylotex it would stall on high speed travel. But that's only 24VDC and the motors are good for at least 50VDC and the Parkers do that just fine.
[02:18:53] <r00t4rd3d> http://www.ebay.com/itm/Prusa-i3-Frame-Laser-cut-kit-RepRap-Mendel-3D-printer-Kit-NEW-/150967057341?pt=LH_DefaultDomain_0&hash=item2326567bbd
[02:19:01] <r00t4rd3d> I could make that
[02:19:18] <Jymmm> Also have 17,000uf 400V caps, mounting clamps
[02:19:43] <ReadError> seemecnc has you beat r00t4rd3d
[02:19:46] <jdh> xylotex fries at 35V
[02:19:46] <ReadError> he laser cuts em
[02:20:31] <jdh> I run my at 30V.. the tweaker on the 24V PS will go up to 33 or so
[02:20:41] <Jymmm> DIN rail safety relay, din rail fuse holders, din rail PS, din rail terminal, din rail db25 breakout,
[02:21:00] <Tom_itx> why are you parting with it?
[02:21:33] <Jymmm> jdh: Yeah, I know. just underpowered for the motors/ machine
[02:21:34] <ReadError> any pics of it Jymmm ?
[02:22:41] <Jymmm> http://i52.tinypic.com/nrndu.jpg
[02:22:52] <Jymmm> http://i51.tinypic.com/28lrg9u.jpg
[02:23:59] <r00t4rd3d> http://shop.seemecnc.com/Rostock-MAX-3D-Printer-Kit-68398.htm
[02:24:26] <Jymmm> The dust enclosure just bolts together and to the gorilla rack it sits on. The walls are skinned with viynl ans metal screen with static groundig straps
[02:24:59] <Jymmm> Can connect 2.5" or 4" exhaust duct to the rear, fresh intake from the top.
[02:25:22] <ReadError> whats in that PCV tube?
[02:25:41] <jdh> for-sale flyers
[02:26:16] <Jymmm> the extra cord from the router motor so you can pull it out and use manually if you like without having to "unwire" everything.
[02:26:52] <Jymmm> 1/4, 3/8 and 1/2" collets
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[02:28:47] <Jymmm> It's really a Bosch router OEM'ed as Craftsman Professional with the fixed and plunge bases too... http://i46.tinypic.com/bhav0m.jpg
[02:30:01] <Jymmm> Sears doesn't carry the 3/8" collect, I got that directly from the Bosch service center =)
[02:30:30] <r00t4rd3d> http://www.thingiverse.com/thing:40465
[02:31:59] <ReadError> thingiverse aka selloutplanet
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[02:32:37] <Jymmm> It is a K2cnc frame, but they dont make this design anymore http://www.k2cnc.com/product_kg2525.aspx
[02:33:04] <Jymmm> antibacklash nuts on the z acme, thumpson ballnuts on xy
[02:33:27] <r00t4rd3d> so what you want for it?
[02:34:25] <Jymmm> I'm really not sure, $4200 or so
[02:34:43] <r00t4rd3d> wow
[02:34:51] <Jymmm> What?
[02:35:04] <Jymmm> it's not a MDF router
[02:35:28] <r00t4rd3d> either is mine, anymore.
[02:35:47] <Jymmm> the parts I've cllected for the new controller are $1000 alone.
[02:36:18] <Jymmm> there are a coule of computers included as well.
[02:36:19] <r00t4rd3d> for the size just seems crazy expensive
[02:36:48] <Jymmm> r00t4rd3d: Not really http://www.k2cnc.com/product_kg2525.aspx
[02:37:03] <Jymmm> they START at $7500
[02:37:32] <Jymmm> And we've tossed in on a granite slab... it's damn square
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[02:38:19] <r00t4rd3d> lol, 2x2 for 8k
[02:38:42] <r00t4rd3d> you would have to be a serious fucking dumbass to pay that.
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[02:40:54] <Jymmm> This is 4" http://i39.tinypic.com/iefmgy.jpg
[02:41:22] <Jymmm> Same artwork, just inversed http://i42.tinypic.com/15hft77.jpg
[02:41:35] <Jymmm> Both are MDF
[02:45:26] <Jymmm> The router carved this as well into mdf, about 8" wide http://i52.tinypic.com/r1lwra.jpg then hand painted.
[02:46:15] <r00t4rd3d> this is the smallest ive done http://i.imgur.com/Mz2k9kp.jpg
[02:46:31] <r00t4rd3d> oval was 4" and text was 2" wide
[02:46:41] <r00t4rd3d> in oak
[02:47:04] <r00t4rd3d> on my redneck 800 w/computer monitor setup.
[02:47:15] <Jymmm> me messing around... 4"x4" maze http://i55.tinypic.com/28lf0b6.jpg and 2" sq 3/4" tall http://i54.tinypic.com/28ilw0w.jpg
[02:51:23] <r00t4rd3d> ReadError, how big of a cutting area you looking for?
[02:51:31] <ReadError> 24x48
[02:51:51] <r00t4rd3d> so diy is pretty much your choice
[02:52:04] <ReadError> ya or the rack and pinion setup from cncrouter parts
[02:52:11] <ReadError> but im hesistent about that
[02:52:22] <ReadError> hesitant
[02:54:30] <r00t4rd3d> look at post #1682
[02:54:31] <r00t4rd3d> http://www.cnczone.com/forums/diy-cnc_router_table_machines/109390-my_newest_desktop_machine-141.html
[02:55:04] <r00t4rd3d> can you do that on your mill?
[02:55:28] <r00t4rd3d> http://www.microcarve.com/ebayz35ext2/
[02:57:05] <ReadError> yea i could do that
[02:57:21] <ReadError> self made z axis ?
[03:03:12] <r00t4rd3d> I would mill as much stuff as i could
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[03:03:31] <r00t4rd3d> motor mounts, couplers, etc
[03:25:14] <AR__> parts for my DIY z axis are on the way
[03:25:17] <AR__> it will be similar to that
[03:25:51] <AR__> except using 4 thomspon super pillow blocks with precision steel bearings
[03:27:34] <AR__> http://i.imgur.com/swEaBhU.jpg
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[03:28:02] <AR__> the bearings and ballscrew sitting on top will be part of the Z
[03:29:31] <AR__> http://i.imgur.com/rDDlt7K.jpg
[03:30:51] <AR__> btw i am not using that little 1/4" plate for a saddle
[03:31:37] <AR__> i have two 1/2 plates on the way that i will bolt to the bearings and ballnuts on X and Y separately, then bolt them together
[03:31:50] <AR__> should allow for some adjustment/shimming if needed
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[03:36:40] <r00t4rd3d> dude
[03:36:57] <jdh> sweet!
[03:37:57] <r00t4rd3d> crash waiting to happen.
[03:38:08] <AR__> it doesnt
[03:38:30] <AR__> i promise
[03:38:48] <r00t4rd3d> still I dont like that design one bit.
[03:39:23] <AR__> just the motor?
[03:39:41] <r00t4rd3d> that, how its stacking up
[03:39:50] <AR__> http://i.imgur.com/uzbocLZ.jpg
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[03:40:13] <AR__> there's enough room
[03:41:21] <AR__> if i get a bigger motor i would probably flip the motor around though
[03:42:05] <AR__> i was testing the axis and i already crashed, technically :P
[03:42:37] <AR__> see that one long bolt i put in at the end of the rail to keep the bearings from sliding off when i didnt have the ballscrew on?
[03:43:09] <AR__> i was testing and jogged into it and was wondering why my ballscrew was pulling out of the end bearing blocks......
[03:44:59] <r00t4rd3d> where you getting these build plans from?
[03:46:17] <tjb1> r00t4rd3d: you are a party pooper
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[03:47:43] <r00t4rd3d> Am i the only one who thinks he is going to have issues with that setup ?
[03:48:39] <tjb1> Its too late for me to tell what I am looking at
[03:48:53] <AR__> r00t4rd3d, my mind
[03:52:08] <archivist> r00t4rd3d, it has the better rail support than most round rail types, what are you thinking
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[04:00:22] <AR__> i think it will be an excellent design for the price
[04:00:57] <AR__> i could have saved money if i knew what i needed and ordered things at the same time
[04:05:18] <r00t4rd3d> archivist, I dont like where the x motor is, dont like how the y axis is designed with pillow blocks acting as inverted rail supports, ummmmmm
[04:05:40] <tjb1> r00t4rd3d: did you fix your messy wiring yet?
[04:06:04] <r00t4rd3d> i took my machine all apart yesterday cause of the cold and brought it inside.
[04:07:28] <r00t4rd3d> dammit I have to leave the house
[04:07:33] <r00t4rd3d> -3°F
[04:07:35] <archivist> motor location is not a problem
[04:07:43] <r00t4rd3d> till you crash into it
[04:08:09] <archivist> he wont crash if he has limit switches
[04:08:19] <archivist> it is incomplete
[04:08:47] <r00t4rd3d> i just dont see why you would put it there when you could put it on the back side and not worry about it
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[04:09:59] <r00t4rd3d> his x would fall off the rails before it hit anything
[04:10:17] <archivist> worse
[04:10:55] <archivist> if the software and homing is set up correctly one cannot crash either
[04:11:20] <r00t4rd3d> well that is normally a learning curve for diy.
[04:11:26] <r00t4rd3d> hope he learns quickly
[04:11:56] <Tecan> http://resources.yesican-science.ca/trek/scisat/final/images/trans_spectrometer1.jpg wonder what ide use for a detector
[04:11:59] <archivist> its a lot better than some diy I have seen
[04:12:05] <r00t4rd3d> sure
[04:12:10] <r00t4rd3d> he has some nice parts too
[04:12:41] <archivist> Tecan, a slit and any wide band detector
[04:12:58] <Tecan> awesome
[04:13:36] <archivist> Tecan, I have a motorised version of that setup
[04:13:59] <Tecan> what did you use for a laser ?
[04:14:24] <archivist> its a spectrometer, no laser involved
[04:15:01] <Tecan> its for analyzing substances correct ?
[04:15:18] <Tecan> guess you could use any light source
[04:16:35] <archivist> well for substances the light matters, also depends on technique, flourescent, reflection, transmissive
[04:17:08] <Tecan> what do you use it for ?
[04:17:31] <archivist> it was cheap on fleabay, just to play with
[04:18:15] <archivist> I also have a transmissive one from scrap, ex forensic lab probably
[04:19:54] <archivist> I used to work fixing TVs and later manufacuring colour printers so have some interest in colour/lighting
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[04:22:48] <Tecan> very cool!
[04:22:52] <Tecan> ham too ?
[04:24:03] <archivist> I let the licence lapse
[04:24:45] <tjb1> Would alibre be worth it for $100?
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[04:36:21] <r00t4rd3d> Ill sell you a copy for 50.
[04:36:23] <r00t4rd3d> :D
[04:37:01] <tjb1> I dont want a pirate bay special
[04:37:40] <r00t4rd3d> i was joking. tpb only has 2011 anyway.
[04:38:01] <tjb1> I miss demonoid
[04:38:14] <archivist> form an educational institution and get a solidworks education license
[04:38:29] <tjb1> I "have" solidworks
[04:39:03] <archivist> you have the best already then
[04:39:14] <tjb1> The educational copy wouldnt install so I have one from r00t4rd3d favorite website
[04:39:36] <r00t4rd3d> fecalfetish.com ?
[04:40:39] <r00t4rd3d> eww thats forsale.
[04:41:27] <r00t4rd3d> that would be a good parody site.
[04:44:22] <r00t4rd3d> http://www.alibre.com/xpress/
[04:46:43] <r00t4rd3d> http://alibrecam.mecsoft.com/
[04:49:44] <Tecan> tjb1 have you tried http://www.bricsys.com/en_INTL/ ?
[04:50:21] <tjb1> no but thats $500
[04:50:24] <Tecan> http://www.cadexchanger.com/download.html
[04:50:28] <Tecan> oops
[04:50:32] <Tecan> https://sourceforge.net/apps/mediawiki/free-cad/index.php?title=Screenshots
[04:52:15] <r00t4rd3d> ha the first pic is a hydro setup
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[05:51:35] <r00t4rd3d> GET OFF MY LAWN!
[05:51:49] <r00t4rd3d> wrong window.
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[06:18:17] <Tecan> ;0
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[06:41:31] <Tecan> anyone here use brlcad ?
[06:42:26] <Tecan> its repo is huge
[06:43:47] <spikebike> nope, but with the rise of 3d printing I've been intending to check it out and some related tools
[06:44:02] <r00t4rd3d> yesterday i cleaned all the garbage cad/cam programs off my computer
[06:45:02] <r00t4rd3d> left with Aspire and SketchUp Pro.
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[07:06:18] <Tecan> http://www.youtube.com/watch?v=XSGKcMzsWxs
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[07:07:18] <Loetmichel> mornin'
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[07:43:59] <archivist> Tecan, its repo is huge due to its age and large number of programs
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[07:47:48] <DJ9DJ> moin
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[08:39:54] <Tecan> http://upload.wikimedia.org/wikipedia/commons/4/48/Commercial_laser_lines.svg
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[09:29:29] <Tecan> http://4.bp.blogspot.com/-SMC46TGck3g/UPayP6T6D7I/AAAAAAAAAUk/WOjiQODYjms/s1600/graph.PNG
[09:30:59] <Tecan> does that make any sence at all for an ai xml template
[09:31:11] <Tecan> hard to follow that for sure
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[09:31:39] <Tecan> http://www.alicebot.org/articles/
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[09:49:55] <mrsun> hmm, why isnt 55 degree dovetail cutters sold anywhere that i can find ...
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[09:51:44] <archivist> not looked hard enough? or specials are made for that angle
[09:52:59] <archivist> or the machine tool leans over a bit so any cutter less than 55 can be used
[09:53:42] <mrsun> im in sweden ... sweden sucks :P
[09:53:54] <mrsun> if i find one i guess it will cost me about 200x more then everyone else has to pay :P
[09:54:16] <archivist> use 60 or 45
[09:54:53] <mrsun> wellt he machine already has 55
[09:54:57] <mrsun> =)
[09:55:31] <archivist> or, what I do, just make a cutter up
[09:56:41] <archivist> this was for a thread but use a different insert and the right angles http://www.archivist.info/cnc/stage6/p1010245.jpg
[09:58:37] <Jymmm> You are currently on lesson 6. 179 Attempts. lol
[09:58:48] <archivist> I moved the insert off the centerline to make sure I had clearance
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[10:08:14] <Valen> mrsun: dovetail cutters are kinda spendy
[10:08:32] <Valen> what is the target material?
[10:08:32] <mrsun> from china they arent that expensive tho, but only 45 and 60 degrees =)
[10:08:36] <mrsun> cast iron
[10:08:52] <Valen> so get one from china
[10:08:55] <mrsun> as i do not ever seem to give up on this little mini mill :P
[10:09:07] <Valen> its not that where you are is expensive, its just china is stupidly cheap
[10:10:00] <Valen> archivist's one doesn't look too balanced ;->
[10:10:02] <mrsun> ebay was full of 55 degree cutters :P
[10:10:13] <Valen> I think we got an indexable carbide one for $80 or so
[10:10:36] <Valen> australian dollars are ~= $US at the moment
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[12:49:59] <Tecan> genius, to get the co2 required to make a laser you use baking soda and vinegar
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[13:52:09] <skunkworks> http://www.youtube.com/watch?v=WfVFA0Wejr0
[14:01:25] <Jymmm> come on caffiene!!!
[14:02:10] <archivist> you only need one hand on a mounted controller!
[14:03:25] <archivist> and how do you manually traverse at 45 degrees :)
[14:20:43] <mhaberler> hm, NML ported to Android?
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[14:23:56] <cradek> that's a cute trick, but requiring two hands and also your eyes to operate it makes that the worst jogwheel I've ever seen
[14:24:51] <Jymmm> use the gyroscope thing.... tilt the tablet to control movement
[14:24:57] <cradek> I guess I just don't understand
[14:25:12] * skunkworks hugs his jog wheel
[14:27:41] <mhaberler> ah, more likely their JSON interface
[14:28:58] <Jymmm> JSON on what?
[14:29:19] <mhaberler> between their gui and their web server which drives the rest
[14:29:41] <mhaberler> the RockHopper thing they recently posted about
[14:31:19] <mhaberler> Jymmm: do you have experience with JSON?
[14:31:28] <Jymmm> Yeah
[14:32:50] <Jymmm> web server *sigh*
[14:33:24] <mhaberler> I'm trying to come to a conclusion best middleware options; not sure here; can I run by a couple of questions?
[14:33:49] <Jymmm> mhaberler: Sure, context?
[14:34:23] <mhaberler> way downstream - linuxcnc3. Assume we are about to replace NML by a late-binding capable vehicle.
[14:34:43] <mhaberler> we need 2 pieces: the middleware glue, and the serialisation/deserialisation layer
[14:35:54] <mhaberler> potentially web UI's would be useful, so having a web-friendly choice here is a plus; not necessarily in terms of performance, breadth of language bindings, strict typing etc though
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[14:36:42] <mhaberler> assume for instance motion and hal were capable to talk to a web UI directly through middleware X and encoding layer Y
[14:37:03] <mhaberler> for Y I really see only two major contenders: protobuf and JSON
[14:37:23] <mhaberler> + protobuf: strong typing, fast, a gazillion of bindings, introspection possible
[14:37:47] <mhaberler> - for protobuf: no good support for direct Web interaction; needs IDL definition/parsing step (both advantage and disadvantage)
[14:38:01] <mhaberler> + for json: Web compatible, no IDL step necessary
[14:38:31] <mhaberler> - for json: speed (not sure); loose typing; much less thorough language support; introspection?
[14:39:36] <Tecan> http://i.imgur.com/m3raE8V.jpg
[14:39:55] <mhaberler> as for middleware and web compatibility, I havent found one which is web friendly and sufficiently capable as a backend interaction evhicle as well; very hesitant to consider Websockets for that
[14:40:49] <Jymmm> Why all this web stuff?
[14:41:17] <Jymmm> It's a stateless protocol, and lots of overhead.
[14:41:33] <Jymmm> not something a RTOS wants to see.
[14:41:36] <mhaberler> when thinking about a future middleware choice I do not think its a good idea to exclude the option
[14:41:47] <Jymmm> Why?
[14:41:50] <mhaberler> exactly, which is why I am proposing a split between rtos and gui
[14:42:17] <mhaberler> it is entirely conceivable for me to do a linuxcnc gui in html5/webgl
[14:42:28] <mhaberler> not that I'm doing it
[14:42:45] <mhaberler> I'm just considering how to leave that option open as easy as possible
[14:43:43] <Jymmm> Well, there are so many interfaces already in emc that could be utilized, there's even keystick that could be done via telnet (a stateful protocol) and just create a nice term iface
[14:44:18] <Jymmm> mhaberler: Here's how I see it after all these years...
[14:44:27] <mhaberler> the issue is that _all_ of these assume a common memory model
[14:44:43] <mhaberler> all ears:
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[14:47:21] <Jymmm> mhaberler: Web (http) is old, very old by today's standards. HTML5 is still just built upon it and everything is pseudo "stateful" using ajax and bloated like hell xml for "two way" interchange. What we really need today is a stateful protocol and new/revived (?) interchanges from the old school days. They worked, even on slow connections........
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[14:48:04] <mhaberler> That is out of the question
[14:48:13] <Jymmm> While a "browser" is concientant, it's not the only thing out there. just common
[14:48:31] <Jymmm> what, telnet?
[14:49:05] <mhaberler> I agree on the stateful proto question
[14:49:09] <mhaberler> I was more thinking about a common serialisation method; assume for instance we chose protobuf
[14:49:33] <Jymmm> mhaberler: Have you ever looked at this yet? http://www.json.org/
[14:49:33] <mhaberler> and a UI would talk JSON - means you force a transcoding step. That's really all that is to it.
[14:49:48] <mhaberler> sure
[14:49:51] <Jymmm> JSON isn't perfect, but it is clean.
[14:50:19] <Jymmm> and even human readable which can be a good thing for debugging/optimization
[14:50:32] <mhaberler> thats's a plus, yes
[14:50:41] <Jymmm> can toss in gzip
[14:50:50] <mhaberler> quite a big one actually
[14:51:27] <Jymmm> If you get really sneaky and LARGE datasets, there is SQLite too,
[14:51:39] <Jymmm> and it has a text dump option
[14:51:49] <mhaberler> I dont see that as a serialisation option though
[14:52:22] <Jymmm> No, but more like a js is loaded
[14:52:47] <Jymmm> it being linked, loaded in the background, then executed.
[14:52:50] <mhaberler> I had looked into it, and it is of questionable value as config storage, because it is really single-process only
[14:53:19] <mhaberler> (that was what I had envisaged it for - tooltable, ini etc )
[14:53:38] <Jymmm> cached content that's fairly consistant
[14:54:34] <mhaberler> hm, 'fairly consisten' sounds a bit like 'more correct' ;-)
[14:55:04] <Jymmm> well, if units=metric, that's probably consistant.
[14:55:25] <mhaberler> anyway, the question really revolved around JSON suitability for serialisation; anything you can say wrt speed over other methods?
[14:55:26] <Jymmm> MaxX=24, etc
[14:56:12] <mhaberler> I would think the parsers by now are optimized for speed quite a bit (or so I'd hope)
[14:56:44] <mhaberler> probably boilds down to doing a bunch of measurements; otherwise it'd be guesswork
[14:56:46] <Jymmm> mhaberler: http://www.ape-project.org/
[14:59:45] <mhaberler> that really includes an RPC or messaging layer which I'd avoid importing - there are way too many of those and by ticking the wrong box you'll be in the pits fast which is why I'm splitting the problem (possibly) at the serialisation layer
[15:00:36] <mhaberler> I'd separate the question how a message is wrapped/transported from the question how it is encoded
[15:01:35] <mhaberler> also, there are lots of existing message formats which need to be dealt with (aka backwards compatibility) since a big-bang change is almost impossible
[15:01:58] <mhaberler> or particulary desirable for that matter
[15:02:50] <mhaberler> any credible contenders to JSON in the web arena?
[15:03:34] <Jymmm> I like KISS, JSON follows that methogology. Others, SOAP (xml based), etc are so bloatware anymore.
[15:04:46] <mhaberler> oh. I fully agreed. Thats a real dog.
[15:04:46] <Jymmm> I have a strong hatred of anything XML based.
[15:04:46] <mhaberler> I completely exclude that not only for the 'dog' reason, it is culturally incompaible
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[15:05:20] <Jymmm> JSON is clean, can have structured datasets (arrays), among other things, and adopted pretty much across the board.
[15:05:37] <Jymmm> So you're not locked into somethign that might fubar/change in the future
[15:06:57] <Jymmm> and can handle unicode if so desired.
[15:08:21] <mhaberler> well actually since protobuf is strongly typed and has an compilable IDL, it just occured to me that there might very well be an automatic translation mechanism to/from JSON if thats needed. I wasnt the first to have that idea: http://stackoverflow.com/questions/2544580/is-there-a-standard-mapping-between-json-and-protocol-buffers
[15:08:36] <Jymmm> mhaberler: Customize yout own patser =) http://techblog.procurios.nl/k/618/news/view/14605/14863/How-do-I-write-my-own-parser-for-JSON.html
[15:09:08] <mhaberler> nah, its gotta be fully automatic or it wont happen
[15:09:47] <mhaberler> my vision about parsers stops at 'apt-get install foo' or 'import bar'
[15:11:11] <mhaberler> I think there's not really a way around doing the math: like encode EMCStatus in protobuf and JSON, and see how that goes
[15:11:36] <Jymmm> mhaberler: Those that live on the bleeding edge, WILL get cut. JSON just works, and on a solid foundation. That in itself can pay off in it's in gold for unseen issues. Not everyone has a 50% staff of PhDs to get your ass out of trouble.
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[15:11:52] <mhaberler> exactly
[15:12:38] <Jymmm> So if you lose a little in perforamnce and gain in reliability/stablitity, there ya go.
[15:12:40] <mhaberler> I am quite conservative on these things - 'bleeding edge' is a status field afaic, not a selling point
[15:13:09] <Jymmm> But that is not the Developers way =)
[15:13:27] <Jymmm> Release, get feedback, patch, repeat.
[15:13:33] <mhaberler> thats why I stick out as a knucklehead ;)
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[15:14:06] <Jymmm> Release often good bad or ugly, get feedback, patch as requested, repeat.
[15:14:07] <mhaberler> if it is between json and protobuf, in terms of reliability I would say the loose tyoing in JSON is the largest potential to blow your leg off
[15:14:14] <mhaberler> typing
[15:14:58] <mhaberler> I saw some work on JSON schema verification but it didnt strike me as industry-grade
[15:15:00] <Jymmm> Plus there are enough tools/libs out there for JSON you dont have to be reinventing the wheel to get going.
[15:15:51] <mhaberler> well sure, that's the whole point with both of them; and while at it, get language bindings for every relevant language with it (big downside of NML for instance)
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[15:16:42] <IchGuckLive> hi all
[15:16:49] <mhaberler> its got to have fully automatic language bindings, we just dont have the time to do things like using the Python C API any more, which is atrocious to start with
[15:17:22] <mhaberler> do you have any experience with JSON type checking/verification?
[15:18:28] <mhaberler> it is clearly an advantage to be able to write a message in a text editor, but editors are a bit too patient on errors
[15:18:47] <Jymmm> typing checking?! you're funny =)
[15:19:00] <mhaberler> yes, type checking
[15:19:11] <mhaberler> they dont do that over in web land, right?
[15:19:40] <Jymmm> what you think this is c++
[15:20:05] <Jymmm> s/is/is, /
[15:20:25] <mhaberler> not having every conceivable BS straight from an editor driving your machine is a definite plus (for your machine)
[15:20:34] <Jymmm> bah
[15:21:42] <Jymmm> archaic thinking, JUST DO IT!
[15:22:06] <Jymmm> See Also: rebol, SQLite
[15:22:50] <mhaberler> you mean the rebol language?
[15:23:02] <Jymmm> teah
[15:23:04] <Jymmm> y
[15:23:09] <Loetmichel> wooha...with rotational axis... i am tempted: http://www.ebay.de/itm/4-AXIS-CNC-6040T-Graviermaschine-Gravurmaschine-Graviergerat-/321061312512?pt=LH_DefaultDomain_77&hash=item4ac0bed800
[15:23:37] <Loetmichel> ... if i had 18000Eur aviable i would have clicked "instant buy" already #,)
[15:23:46] <Loetmichel> 1800 eur
[15:24:14] <mhaberler> talking to web guys I always have this feeling of floating away in a reality distortion field
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[15:27:52] <mhaberler> now seriously - any hints on type checking JSON against some schema?
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[15:28:44] <IchGuckLive> Loetmichel: your homemade is better then this
[15:29:02] <Loetmichel> it is. but so small ;-)
[15:29:12] <Loetmichel> i need one for sheet material
[15:29:45] <Loetmichel> and look on the price. even has supported rails in y ;-)
[15:30:20] <Loetmichel> this is a great basis to pimp it.
[15:30:43] <IchGuckLive> if ther is no LMxxUU iside yas you dont know it is very wabeling
[15:31:01] <Loetmichel> maybe some supported rails in x and a second spindle in y and then you have a decent CNC mill with mearly 600*40mm useable movement
[15:31:12] <IchGuckLive> the chiise liniar balbearings are way to wide
[15:31:27] <Loetmichel> i have some of them
[15:31:39] <IchGuckLive> Loetmichel: did you see cnc-discounts rail supply
[15:31:40] <Loetmichel> no problem to tighten them to zero play
[15:31:54] <Loetmichel> yes
[15:32:12] <IchGuckLive> it is a real good stuff for that price
[15:32:29] <IchGuckLive> im building 4 routers on that stuff at the moment
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[15:34:11] <IchGuckLive> http://stores.ebay.de/cnc-discount/25-x-2300mm-/_i.html?_fsub=2678751013&_sid=1025469733&_trksid=p4634.c0.m322
[15:34:53] <IchGuckLive> 250 euros way thats a price therfor not 1 sbk rail at 1m
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[15:51:07] <IchGuckLive> from factory outburn here are the parts !
[15:51:10] <IchGuckLive> http://stores.ebay.de/mk-insolvenzverwertungen/Metallbearbeitung-/_i.html?_fsub=19213289&_sid=87995805&_sop=2&_trksid=p4634.c0.m322
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[15:55:12] <IchGuckLive> by till 19:00 Berlin time O.o B)
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[16:22:15] <skunkworks> http://www.phoronix.com/scan.php?page=news_item&px=MTI4Mjc
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[16:29:27] <Tecan> www.kurzweilai.net/new-carbon-nanotube-fiber-acts-like-textile-thread-conducts-electricity-and-heat-like-a-metal-wire << faraday suits for everyone!
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[16:36:08] <Tecan> welcome :D
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[16:58:07] <cradek> skunkworks: I can't even parse "the FSF/Richard Stallman doesn't the DWG library on the earlier version of their own open-source license."
[16:58:47] <cradek> this sentence no verb!
[16:59:42] <cradek> the grain of truth in the terribly-written article is that FSF is one of the few organizations that can change a license at will to make a project more widely compatible, because they insist on getting copyright assignments from contributors
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[17:14:46] <skunkworks_> cradek, someone posted it on our local linux user group. (still have not been to one of their meetings...
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[17:23:43] <mhaberler> this touches upon it, and unfortunately I have to concur: http://www.datamation.com/open-source/9-things-that-are-never-admitted-about-open-source-1.html (#3)
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[17:28:34] <cradek> #8 is bizarre bunk
[17:30:12] <cradek> Open source isn't less vulnerable to viruses than windows because git is much more popular than subversion...?
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[17:30:56] <cradek> and sorry, vmware and google docs are relevant how?
[17:33:08] <mhaberler> watch that bloodpressure ;=)
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[17:34:21] <cradek> eh, I'm used to people being wrong (or just incoherent) on the internet
[17:34:37] <archivist> I did think the google docs was overrated in that piece too :)
[17:35:04] <cradek> is he just confusing FOSS with "anything I didn't pay cash money for"?
[17:35:16] <archivist> probably
[17:35:33] <cradek> way to not get it
[17:35:47] <archivist> well yes in the case of google docs
[17:37:50] <archivist> I do know a few projects with contributor agreements for the copyright issues
[17:38:47] <cradek> stirring #8 and #9 together is funny - the real monoculture is linux-centrism and he's a carrier
[17:39:01] <cradek> yeah, I can sure understand why some projects do that
[17:40:00] <cradek> and then I also understand why some developers decline to work for those projects
[17:40:10] <cradek> damned if you do, damned if you don't
[17:43:14] <archivist> it is also galling/difficult for a contributor where an "owner" of some project earns good money and contributor is just a free coding monkey
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[17:46:53] <Tecan> was it always that way ?
[17:48:54] <Tecan> guess the opensource model still needs work in the funding dpt to make the wheels go round
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[17:49:34] <Tecan> i always figured a central site that people donate to to have the funds distributed for the most voted projects or whatnot
[17:49:43] <Tecan> and have a recipt emailed
[17:49:44] <archivist> some parts are funded ok
[17:49:55] <t12> there is one reason to dismiss GNU entirely
[17:49:56] <t12> and that is
[17:50:01] <t12> http://www.youtube.com/watch?v=9sJUDx7iEJw
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[17:50:55] <IchGuckLive> hi all B)
[17:55:30] <Tecan> i should do a guitar version of that after i rest
[17:55:44] <Tecan> duno about all of it
[17:56:11] <Tecan> remixe
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[18:07:07] <IchGuckLive> tjb1 the touchscreen is so littel to type !! O.O
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[18:15:59] <skunkworks_> it works
[18:16:00] <skunkworks_> lift
[18:16:12] <skunkworks_> http://www.electronicsam.com/images/KandT/lift.jpg
[18:16:59] <jdh> chick car!
[18:17:17] <skunkworks_> yes - my niece
[18:17:17] <jdh> (unrelated to the linux sexism noted in an earlier URL)
[18:18:04] <jdh> how far off center is still safe?
[18:18:47] <skunkworks_> no clue
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[18:19:49] <archivist> I see a ladder in the rear being moved to prop up the car
[18:20:16] <skunkworks_> wait for it...
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[18:21:18] <skunkworks_> http://www.electronicsam.com/images/KandT/lift1.jpg
[18:21:40] <IchGuckLive> nice beatle but shit color
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[18:34:37] <tjb1-mobile> Sorry fit
[18:34:55] <tjb1-mobile> Sorry for spamming guys
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[18:46:42] <JesusAlos> Hi
[18:48:50] <IchGuckLive> B)
[18:49:00] <IchGuckLive> did the G-code example work
[18:50:09] <IchGuckLive> http://www.youtube.com/watch?v=wO2X6deliTw
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[18:50:35] <IchGuckLive> i made a tut vid to show the rest of the world this funktion to heekscad
[18:50:45] <IchGuckLive> cnc g-code
[18:51:08] <IchGuckLive> as always i tried my best Denglish
[18:51:22] <IchGuckLive> O.O ;-(
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[18:53:01] <JesusAlos> http://youtu.be/VRINPuTOOHU
[18:53:19] <JesusAlos> is the work with other privative machines
[18:54:52] <JesusAlos> I'm going to change PC
[18:54:54] <JesusAlos> wait
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[18:55:14] <JT-Shop> boy putting an X offset in the tool table by accident screws your mind up
[18:56:33] <IchGuckLive> JT-Shop: as all mist parameters
[18:57:15] <JT-Shop> made me scratch my head for a few minutes for sure wondering why it went way over there to drill :)
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[19:04:49] <JesusAlos_> you look my video
[19:05:01] <JesusAlos_> ?
[19:05:24] <IchGuckLive> JesusAlos_: the g-code generator is not fee
[19:05:40] <IchGuckLive> free
[19:05:47] <JesusAlos_> free?
[19:05:50] <JesusAlos_> an
[19:05:52] <JesusAlos_> no
[19:06:01] <IchGuckLive> so its useless
[19:06:05] <JesusAlos_> it dont generate g-code
[19:06:15] <JesusAlos_> it runs machine automatically
[19:06:24] <IchGuckLive> its your mashine interpreter
[19:06:26] <JesusAlos_> is very easy
[19:06:34] <JesusAlos_> is the other customer
[19:06:58] <JesusAlos_> manufacturer
[19:07:53] <JesusAlos_> This software open stl an dxf files, and automatic generate the route
[19:08:07] <JesusAlos_> dont do no more else
[19:09:56] <JesusAlos_> Is possible mofic the route alghoritm of Heekscnc for do this job?
[19:11:14] <IchGuckLive> no
[19:12:50] <JesusAlos_> and other CAM software for do job?
[19:14:29] <IchGuckLive> i dont know
[19:15:37] <IchGuckLive> you can ask dek proto ista also in spanich language
[19:15:47] <IchGuckLive> DESKProto
[19:16:48] <IchGuckLive> By
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[19:51:54] <andypugh> http://youtu.be/GnvAibVVajI
[19:53:03] <skunkworks_> that video is private
[19:53:50] <andypugh> Now?
[19:55:53] <skunkworks_> working
[19:56:22] <andypugh> Note that I didn't claim it was exciting
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[19:59:23] <kwallace> I would be a lot more excited if I had one in my shop. Good job.
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[20:00:09] <skunkworks_> andypugh, Nice work - A) how much backlash is in the hex and how fast can you spin it?
[20:00:56] <andypugh> The hex has no backlash that I can feel (though it must have some). But with the 40:1 ratio on the worm it isn't terribly relevant.
[20:01:29] <andypugh> How much wobble is there in the pin of the dividing disc normally?
[20:05:00] <skunkworks_> not much? I have not used a dividing head in years...
[20:05:20] <skunkworks_> so - when are you making the first gear?
[20:07:23] <andypugh> The first thing will actually be a T5 timing belt pulley. And it will be a few weeks as I am disappearing to foreign parts soon.
[20:08:04] <DaViruz_> volvo t5?
[20:08:27] <andypugh> No, it's a tooth form :-)
[20:08:37] <DaViruz_> i see.
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[20:21:29] <JT-Shop> andypugh: the eccentric is to adjust the gear backlash?
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[20:21:39] <andypugh> JT-Shop: Yes
[20:22:01] <JT-Shop> nice work
[20:22:29] <andypugh> You see how I carefully arranged for the motor to be horizontal, then found that when fully tightened up I needed a completely different position?
[20:22:36] <andypugh> Bah!
[20:22:47] <JT-Shop> what was that about?
[20:24:02] <andypugh> The bore in the housing appears not to be exactly square to the outer face, so when I tighten up the eccentric screws, the worm moves deeper into mesh..
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[20:24:24] <andypugh> I actually need to drlll two more holes to get the right adjustment.
[20:27:05] <DaViruz_> andypugh: what's up with the irregular spindle speed in the hex turning video?
[20:27:06] <mrsun> http://www.cnczone.com/forums/benchtop_machines/157385-ryans_g0704.html interesting thread =)
[20:27:11] <mrsun> atleast for looking at pictures =)
[20:27:14] <DaViruz_> or ist it just my imagination?
[20:27:58] <mrsun> where is it irregular? :)
[20:28:02] <mrsun> just started watching it :P
[20:28:10] <DaViruz_> from about the start to about the finish ;)
[20:28:28] <mrsun> i think its your imagination
[20:29:05] <mrsun> spindle of lathe or mill ?
[20:29:26] <mrsun> or what video ? :P
[20:29:27] <mrsun> haha
[20:37:41] <JT-Shop> $3.75 for the replacment switch on my shop vac... + sales tax + shipping + handling comes to $15
[20:39:38] <Tom_itx> heh
[20:40:13] <Tom_itx> wait til christmas and you can probably get a new one for $15 or 20
[20:40:56] <ReadError> i spent like 70$ on one recently
[20:40:58] <ReadError> its really nice
[20:41:34] <ReadError> http://www.amazon.com/Shop-Vac-5866000-5-Gallon-4-5-Peak-Stainless/dp/B003XREJOK/ref=sr_1_21?ie=UTF8&qid=1359060082&sr=8-21&keywords=shopvac
[20:41:37] <ReadError> tons of power
[20:41:44] <ReadError> put a HEPA filter on it as well
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[20:45:47] <tjb1> Hello peeps
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[20:50:49] <skunkworks_> DaViruz_, he is turning the spindle by hand in the hex video
[20:51:22] <DaViruz_> oh.
[20:51:34] <DaViruz_> then my reaction is quite the opppsite
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[21:01:49] <JT-Shop> I like the little Ridgid vac as it is somewhat quieter than my shop vac brand
[21:02:11] <JT-Shop> they should have the dba on the label
[21:04:31] <andypugh> DaViruz_: My lathe can't turn slowly enough for the stepper-powered X-axis to keep up, so I had to twirl the spindle manually. Myford types do that quite reqularly, apparently.
[21:08:36] <JT-Shop> it is so nice that LinuxCNC can turn the spindle off when the file is done
[21:09:18] <skunkworks_> and unplug its self?
[21:09:33] <JT-Shop> the cat does that
[21:11:40] <mrsun> haha
[21:11:59] <mrsun> what is the hex video!?
[21:12:07] <mrsun> everyone talking aboit it .. i cant find any hex video ?
[21:13:50] <mrsun> http://www.youtube.com/watch?v=T4q8gCpeY1A that one ?
[21:14:01] <mrsun> now i can see the irregular speed :P
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[21:17:48] <skunkworks_> heh - wierd the things you remember - and can find on the internet.. https://www.youtube.com/watch?v=zwC3gOudlAc
[21:18:10] <skunkworks_> the end of the show has a robot arm picking up blocks - and at the very end - it unplugs itself
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[21:38:06] <andypugh> I rather think that "robot arm" is being worked by a human, pulling wires :-)
[21:38:34] <skunkworks_> oh - could be :)
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[21:41:35] <andypugh> It just doesn't move like any robot arm I have ever seen.
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[22:13:45] <DJ9DJ> gn8
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[22:55:30] <ReadError> anyone good with structural concepts
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[23:18:43] <andypugh> ReadError: I have my moments
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[23:24:13] <Jymmm> ReadError: andypugh designed this, take it for what it's worth... http://www.youtube.com/watch?v=j-zczJXSxnw
[23:26:08] <ReadError> haha
[23:26:29] <ReadError> im trying to figure out the best pattern for strength:weight ratio
[23:26:38] <ReadError> would a |X| pattern be best?
[23:26:52] <Jymmm> ReadError: context? force?
[23:27:39] <ReadError> well im lightening some .25" aluminum or other materials
[23:27:51] <ReadError> https://dl.dropbox.com/u/25091878/Photo%20Jan%2015%2C%208%2042%2037%20PM.jpg
[23:27:55] <ReadError> thats what im using right now
[23:28:10] <ReadError> but i figured if i had another pattern i may be able to make it lighter/stronger
[23:28:18] <Jymmm> oh quadtper
[23:29:01] <andypugh> Triangles.
[23:29:54] <andypugh> What direction is the force?
[23:30:15] <ReadError> in flight, if its laying down flat on a table, it would be up
[23:30:16] <Jymmm> andypugh: It's the ars od one of those quad RC copters
[23:30:28] <ReadError> but theres also some torsion
[23:30:49] <ReadError> that arm is very strong, but im trying other materials which have a bit more flex
[23:30:54] <Jymmm> andypugh: It's one of those quad RC copters, those are the arms and the motors/props go in the round end.
[23:31:22] <andypugh> They appear to have the section the wrong way round, realy.
[23:31:50] <ReadError> what section ?
[23:32:01] <andypugh> Whatever you go for might as well be much deeper than it is wide, as that is the way the force is.
[23:32:11] <Jymmm> andypugh: The center bolts to a apx 4" square
[23:32:27] <ReadError> https://dl.dropbox.com/u/25091878/Photo%20Jan%2016%2C%2011%2026%2042%20PM.jpg
[23:32:55] <ReadError> https://pbs.twimg.com/media/BBFNosDCQAEqaLA.jpg:large thats my little one
[23:33:01] <Jymmm> andypugh: http://api.ning.com/files/anBNTkxyoY4urNrfPYKYPNZzgRRY47mokmFhTLPHrJTH4HJgCtfovZ1ByQJqBhiJOviSgHJfh0Ph2VvU1YNPOw__/PL2Q_Hugin.jpg
[23:33:12] <ReadError> im using 1/8" endmills, so i cant get *too* small with the structural stuff
[23:33:27] <Jymmm> sure you can
[23:33:37] <ReadError> well on the bigger one i can
[23:33:41] <ReadError> the little one it would be hard
[23:33:42] <Jymmm> you just can't get in tight on the corners
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[23:41:35] <tjb1> Why do we play around with north korea?
[23:43:23] <jdh> we need a bad guy for reference.
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[23:45:04] <andypugh> ReadError: I would be going for more this sort of proportion: http://imagebin.org/244108
[23:45:49] <andypugh> Your current design is _way_ stiffer laterally than vertically. So is mine, but less so.
[23:45:52] <ReadError> oh wow you are fast
[23:45:55] <ReadError> yea that looks good
[23:46:11] <jdh> then turn it sideways and slot the other direction
[23:46:48] <ReadError> i like that
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[23:52:09] <andypugh> Night all
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