#linuxcnc | Logs for 2015-08-11

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[00:07:31] <PetefromTn_> yeah man sorry
[00:07:45] <PetefromTn_> just got back from the race shop
[00:09:54] <PetefromTn_> Tom_itx What's up man?
[00:12:23] <Tom_itx> read the dev scroll
[00:12:34] <PetefromTn_> dev scroll?
[00:12:53] <Tom_itx> andy's comp has spindle orient and his demo raises the spindle to pick up the tool
[00:12:59] <Tom_itx> -dev channel
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[00:13:31] <Tom_itx> looks like it will be in the next 2.7-pre release
[00:14:18] <PetefromTn_> awesome.. I am not sure how it will apply to spindle orient on my machine since it is HOPEFULLY be completely electronic but I will read thru it later. I have some Tig welding practice to do!!
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[00:35:48] <furrywolf> yay random free stuff. one of the local hardware stores was giving away assorted old coins with purchases. I now own two liberty half dollars, a mercury dime, and a buffalo nickel.
[00:37:25] <Tom_itx> i've got a few mercury dimes buffalo nickel
[00:37:56] <furrywolf> why is old coinage so much nicer looking than modern coinage? heh
[00:44:44] <furrywolf> according to ebay, the half dollars are worth about $5-$7 each.
[00:47:01] <Tom_itx> odd, if i disconnect the 50pin ribbon from the 7i47 the voltages drop on the input pins to nearly 0 but with it connected both the + and - on the RS422 differential inputs are around 1.73 and 1.81v respectively
[00:47:43] <furrywolf> unless you're looking at it with a high speed 'scope, you're probably trying to measure noise...
[00:48:00] <furrywolf> could also be there's a problem with the ground to the termination resistors. did you enable them?
[00:48:15] <Tom_itx> i didn't enable them yet
[00:48:29] <Tom_itx> iirc PCW recomended disabling them for GPIO
[00:48:31] <Tom_itx> use
[00:49:16] <Tom_itx> hopefully he'll pop in this evening so i can find out
[00:49:25] <norias> i programmed the most awesome machine today
[00:49:29] <norias> gah, where are my notes
[00:50:16] <furrywolf> if you don't have termination resistors, you generally can NOT leave an input floating, like a switch in an open position.
[00:50:17] <norias> some multi-axis lathe
[00:50:24] <norias> with live tooling and all
[00:50:25] <furrywolf> you NEED to add pullup/pulldown resistors.
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[00:51:08] <Tom_itx> i don't know how strong his termination resistors are and if the fpga will switch ok with them enabled
[00:51:18] <Tom_itx> i can add pullups
[00:51:32] <Tom_itx> but the thing is, it worked fine before
[00:51:37] <furrywolf> it has nothing to do with the fpga... it has to do with a disconnected input being in an unknown state.
[00:51:43] <Tom_itx> i know that
[00:51:48] <furrywolf> cmos logic does not like floating inputs.
[00:52:03] <furrywolf> could have worked before by dumb luck. floating inputs often do. :)
[00:52:10] <Tom_itx> i figured the fpga would hold it though
[00:52:34] <Tom_itx> i'll add some pullups and try it again
[00:52:54] <furrywolf> the mesa boards intended for general purpose i/o all include pullup resistors, as far as I know.
[00:53:14] <Tom_itx> this is a RS422 board mostly
[00:53:28] <furrywolf> yes, hence not intended for general purpose i/o...
[00:53:31] <Tom_itx> but i'm using the inputs single ended with a resistor divider on the - side
[00:54:46] <furrywolf> I'm not sure how mesa's rs422 differential inputs work... and I don't think pcw has schematics posted anywhere.
[00:55:41] <Tom_itx> don't think so, i've got the 7i90 schematic but not the 7i47s
[00:57:08] <Tom_itx> iirc the fpga are active low also
[00:57:15] <furrywolf> what is the voltage divider doing?
[00:57:28] <norias> anyone here every mess with writing post processors for GibbsCam?
[00:57:36] <Tom_itx> holding the inverted input at 1.8v
[00:57:53] <furrywolf> so you can detect 0 or 5?
[00:57:57] <Tom_itx> letting the + side switch
[00:58:01] <Tom_itx> yes
[00:58:23] <Tom_itx> the MPG works that way and it's working
[00:58:40] <furrywolf> sounds like your ~1.67V noise is awfully close to that, which is why it's picking it up.
[00:58:45] <furrywolf> add pullup resistors. enjoy. :)
[00:59:10] <furrywolf> since you have a mechanical switch, you can just just about any pullup you want.
[01:00:41] <Tom_itx> the MPG is coming in RX0 RX1 and i'm using RX6 7 8 9 for the switch
[01:01:42] <furrywolf> it really sounds to me like you just need pullups
[01:01:53] <furrywolf> and this is expected behavior.
[01:01:59] <Tom_itx> yeah i'll round some up here in a sec
[01:03:15] <furrywolf> if it's using a comparator for the differential inputs... they don't like floating inputs either. :)
[01:05:08] <furrywolf> so... I bought a plug on ebay. They send me a circuit breaker instead. I send it back, they say they're sending me two plugs to make up for it. Just opened the new box... two WRONG PLUGS. grrrrr....
[01:06:14] <SpeedEvil> Bonus - when you send it back, you get four wrong plugs
[01:07:49] * furrywolf sends them yet another email
[01:08:12] <furrywolf> or who knows... maybe I'll get a soldering iron. they seem to have serious competence issues.
[01:09:53] <furrywolf> I bought a 50A 125/250V twistlock, cs6364, for my spider box. First they sent me a 40A circuit breaker. Then they sent me a 50A 250V and a 50A 480V twistlock, neither of which plugs into a 50A 125/250V twistlock.
[01:15:49] <SpeedEvil> http://www.engadget.com/2015/08/10/japan-to-restart-nuclear-power-tomorrow-after-energy-prices-soar/
[01:17:27] <furrywolf> yay, clean cheap energy.
[01:35:19] <furrywolf> grrr. I ordered something else, from an online store that ships UPS. guess what? UPS has continued their record of fucking up EVERY SINGLE FUCKING SHIPMENT.
[01:35:39] <furrywolf> seems to be lost in texas.
[01:35:43] <roycroft> thank you, furrywolf
[01:35:53] <roycroft> i know that no carrier is perfect
[01:36:06] <roycroft> and their screwing up every one of your shipments helps ensure that mine will continue to arrive safely
[01:36:08] <jdh> I rarely have any UPS problems
[01:36:19] <furrywolf> they're not just not perfect. EVERY SINGLE SHIPMENT. every one. ever.
[01:36:32] <roycroft> and every one of ine arrives fine
[01:36:34] <roycroft> mine
[01:36:44] <jdh> even UPS smartpost is mostly non-sucky lately
[01:36:47] <roycroft> so it seems that you're a magnet for all their problems
[01:36:48] <furrywolf> I can not think of a single thing I've had ordered UPS that arrived on time.
[01:36:58] <roycroft> so i thank you again
[01:37:18] <furrywolf> jdh: they don't call it smartpost, and last time I had something shipped that way, an online order from costco, it took two weeks.
[01:37:30] <furrywolf> they call it "mail innovations" or some crap like that.
[01:38:11] <jdh> yeah... whatever it is, it gets here fine. usually on time
[01:38:23] <furrywolf> at least the two wrong plugs I got sent were shipped fedex... on friday. and here, today, on monday. because fedex is competent.
[01:38:25] <jdh> and I am at the end of any road
[01:39:04] <furrywolf> this is an order of generator parts, ordered over a week ago... and they just "updated" the delivery date for the third time, now to thursday.
[01:39:32] <roycroft> perhaps they're trying to keep the parts from burning up
[01:39:34] <furrywolf> because it takes a week and a half to do what usps or fedex do in 2-3 days.
[01:39:45] <jdh> perhaps you are on The List
[01:39:49] <roycroft> storing them in texas until the inferno settles down
[01:40:22] * roycroft is heading down to cali next week, and will be driving near several big fires
[01:40:38] <furrywolf> there's a lot of big fires here...
[01:40:41] <roycroft> we got a bunch of haze from one of them in the town where i work today
[01:40:53] <roycroft> which is about 125km northeast of the fire
[01:41:00] <roycroft> and we do *not* get northeasterly winds here
[01:41:07] <furrywolf> redding area?
[01:41:12] <roycroft> no, oregon
[01:41:22] <roycroft> i'll be heading down the redwood highway next week though
[01:41:26] <furrywolf> hrmm, I didn't know there were big ones that far north...
[01:41:29] <roycroft> and there's a decent size fire right there
[01:41:50] <roycroft> 28,000 acres and growing rapidly the stouts fire, which is the one that i was breathing today
[01:42:18] <roycroft> the one down by cave junction is not terribly large (yet), but it's close to the redwood highway
[01:42:20] <furrywolf> ah, don't know anything about that one.
[01:42:29] <furrywolf> those are a lot further north than here.
[01:42:32] <roycroft> and we have thunderstorms in the forecast tonight
[01:42:39] <roycroft> which means more fires
[01:42:45] <roycroft> and the existing fires will get bigger when the wind picks up
[01:43:12] <roycroft> you're down in humboldt county, right?
[01:43:32] <furrywolf> there's a big one a couple hours south of here around 70,000 acres, then a bit east of here there's over a hundred smaller fires, some of which have merged into big ones, totalling about 100,000 acres or so.
[01:43:33] <SpeedEvil> furrywolf: can you insure UPS so you get compensation for late delivery?
[01:43:40] <furrywolf> roycroft: yes
[01:43:51] <roycroft> i probably won't get down that far this trip
[01:43:52] <SpeedEvil> furrywolf: may be worth setting up a buisness :)
[01:44:02] <roycroft> i'm camping in oregon, just outside brookings
[01:44:10] <roycroft> and i'll likely stay in del norte county for the most part
[01:44:14] <furrywolf> just don't stan in bandon. that place is weird. :P
[01:44:24] <furrywolf> stay
[01:44:26] <roycroft> i like to camp near port orford
[01:44:34] <roycroft> but i'm heading further south this trip
[01:44:41] <roycroft> bandon is a little strange, yes
[01:45:01] <roycroft> but so is mckinleyville
[01:45:08] <roycroft> in a different way
[01:45:13] <furrywolf> no, bandon is weirder. a lot weirder.
[01:45:42] <furrywolf> when I last stayed in bandon, the hotel had a big engraved sign plastered over the room door "reminder: it is a crime to steal the 9V battery from the smoke detector."
[01:45:54] <roycroft> i suppose it's a matter of perspective
[01:46:51] <roycroft> we stayed at a decent motel in coos bay a while back
[01:47:04] <roycroft> local, not national chain, but still a nice, clean motel
[01:47:07] <roycroft> not like a motel 6
[01:47:12] <roycroft> except there were no phones in the rooms
[01:47:42] <furrywolf> lol
[01:48:03] <roycroft> i call that odd
[01:48:36] <roycroft> there were tvs with hbo and stuff
[01:48:38] <roycroft> but not phones
[01:49:07] <roycroft> so it's not like they were being intentionally "rustic"
[01:49:42] <CaptHindsight> did they have tubes that ran from each room back to the office?
[01:49:44] <furrywolf> I used to stay at a $29 place in willits... one of the rooms had a leaky toilet tank, that dripped onto the bathroom floor continually.
[01:50:10] <furrywolf> except it didn't actually drip onto the floor. it dripped through the rot hole through the floor it had caused over the years...
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[01:50:59] <furrywolf> the place was reasonably clean, ran by a friendly older indian couple, but the buildings were falling apart.
[01:51:00] <roycroft> so your ups worries are of no consequence
[01:51:04] <roycroft> because the universe is dying
[01:51:19] <roycroft> scientists have determined that in a few trillion years it will be a completely cold, desolate place
[01:51:39] <roycroft> worry about that and not the brown truck
[01:52:22] <furrywolf> we should just ship the end of the universe UPS. then it'll never arrive.
[01:52:56] <roycroft> now there's a brilliant idea
[01:53:08] <roycroft> hire ups to deliver the uranium to iran for its nuclear program
[01:53:32] <roycroft> as long as it's furrywolf's driver hauling the load
[01:53:44] <roycroft> because mine would get it there safe and on time
[01:54:02] <furrywolf> it's not the local driver. things don't get lost here. they get lost in random places all over the country...
[01:54:07] <furrywolf> the last one got lost in new york.
[01:54:11] <Tom_itx> adding pulldowns helped
[01:54:14] <roycroft> it must be karmic
[01:54:22] <furrywolf> they even had a polite "we seem to have left your package at one of our facilities" status update.
[01:54:38] <furrywolf> Tom_itx: by helped do you mean made it work perfectly? :)
[01:54:56] <Tom_itx> yeah, well i haven't tested it yet but the halscope looks good
[01:55:05] <Tom_itx> as well as hal showconfig
[01:55:40] <furrywolf> so your switch has +v supplied to it, right?
[01:55:58] <Tom_itx> i'd have to check but probably so
[01:56:02] <furrywolf> that is, your pins now have pulldowns, and the switch pulls them up?
[01:56:10] <Tom_itx> yes
[01:56:17] <furrywolf> k, just checking. :)
[01:56:23] <roycroft> i got this laser dancing light thing in the mail
[01:56:31] <Tom_itx> it's been a long time since i looked at the switch wiring
[01:56:31] <roycroft> it was cheap, chinese, and worked perfectly
[01:56:35] <roycroft> until i uplugged it
[01:56:50] <roycroft> one of the blades of the power adapter remained in the receptacle when i unplugged it
[01:56:58] <roycroft> so i dismantled the power adapter
[01:56:59] <furrywolf> lol
[01:57:07] <furrywolf> that's nice and safe.
[01:57:12] <roycroft> the blades stick straight through a piece of plastic
[01:57:26] <roycroft> and are held in place by a big goober of solder that is also used to attach the wire to the blade
[01:57:39] <roycroft> the goober of solder had come off one of the blades
[01:58:11] <Tom_itx> furrywolf i don't have the mill attached, just debugging the control
[01:58:14] <furrywolf> that's actually pretty good for chinese products. I've seen blades made of a layer of tin foil over plastic.
[01:58:20] <Tom_itx> pretty sure it will work though
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[01:58:47] <furrywolf> yes, plastic-cored plug blades.
[01:59:49] <roycroft> http://www.roycroft.us/PowerAdapter.jpeg
[02:00:05] <Tom_itx> i bet the other board was just marginal enough to work without them
[02:00:13] <furrywolf> maybe we'll get lucky and one of these days the CPSC (if you're not in the US, that's our government agency that complains about crappy products) will stop recalling individual products and just ban all products from china.
[02:00:28] <roycroft> i'll probably drill through the blades and put pins through them to hold them in place when i repair it
[02:02:24] <roycroft> or pull the blade, regoober the solder on so it works again, plug it into the extension cord, and then dip the whole end of the cord and power cube into some epoxy
[02:02:58] <roycroft> or maybe just some heat shrink tubing will suffice
[02:03:07] <roycroft> or lots of duct tape, of course
[02:03:50] <furrywolf> or throw it out and spend the $0.99 for a new adapter?
[02:04:22] <roycroft> you're no fun
[02:04:34] <roycroft> why do that when i can spend $5 on epoxy to fix the current one?
[02:05:01] <roycroft> actually, i'll probably just repair it enough to determine tip polarity, then dig through my box of power adapters to find one that's compatible
[02:05:02] <furrywolf> lol
[02:05:27] <furrywolf> you should say you got badly shocked and burnt yourself and your lawyer will be contacting them shortly.
[02:05:32] <furrywolf> make sure to move it to the hot side first.
[02:05:37] <roycroft> back in my day they used to mark the tip polarity right on the label of the thing
[02:05:43] <roycroft> right
[02:05:52] <roycroft> because my attorney is going to go to china to sue on my behalf
[02:06:04] <roycroft> i can imagine that bill
[02:06:17] <SpeedEvil> It'd be the importer, anyway
[02:06:24] <furrywolf> given what attorneys normally charge, it's probably the same order of magnitude. :P
[02:08:26] <roycroft> what importer?
[02:08:32] <roycroft> i ordered it directly from china via ebay
[02:09:16] <roycroft> i don't mind that it broke - it's easy to repair/replace
[02:09:34] <furrywolf> ah, so YOU'RE the importer of the dangerous goods... :P
[02:09:38] <roycroft> i was just astonished at how poorly designed it was, and i'm quite used to cheap chinese goods
[02:10:12] <roycroft> so i can say the even for cheap chinese stuff this was poorly designed
[02:10:18] <furrywolf> I've given up being surprised by how poorly built chinese products are, and have made a policy of trying to avoid purchasing them.
[02:10:35] <roycroft> well i need this for a festival
[02:10:43] <roycroft> and i'm not going to get comped for it
[02:10:49] <roycroft> a us made one would cost $250 or so
[02:11:02] <roycroft> this was $14, including shipping, and i had $14 in ebay bucks, so zero out of pocket
[02:11:09] <furrywolf> even if you fix the pin, something else will promptly break. or it'll catch fire and burn the stage which will collapse and kill a hundred people.
[02:11:21] <roycroft> i decided it was the best way to go, given my situation
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[02:56:27] <renesis> heh
[02:56:45] <renesis> 95% of audio gear used in shows is chinese
[02:57:27] <renesis> not all of it is bad, and gear wouldnt be very affordable or capable if it wasn't
[02:58:27] <furrywolf> you mean you don't run an all-marantz setup? :P
[02:58:59] <renesis> did marantz ever make pro gear?
[02:59:31] <furrywolf> I think so.
[02:59:34] <renesis> would laugh if i saw a cabinet at a venue with overpriced home shit
[02:59:51] <renesis> well pretty sure you cant buy that shit at guitar center or sweetwater
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[03:00:59] <furrywolf> looks like marantz's pro stuff is more for small venues. I don't see any large PA gear.
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[03:01:13] <renesis> ha, theyre making recorders
[03:02:15] <renesis> marantz: made in china
[03:02:28] <renesis> http://www.sweetwater.com/images/closeup/xl/1600-PMD620MK2_detail3.jpg
[03:02:49] <renesis> made in the usa: mad corners cut to stay competitive
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[03:03:21] <renesis> a lot of larger install stuff is still made here
[03:05:07] <renesis> http://www.inmusicbrands.com/
[03:05:18] <renesis> nice, they got bought by the same company bought m-audio from avid
[03:06:33] <renesis> well thats cool, marantz is the same company as alesis, akai, also, denon, m-audio and numark
[03:07:08] <renesis> brand loyalty is maybe a bit misplaced after VC money gets involved
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[03:07:19] <furrywolf> lol. all my marantz stuff is old enough to be from when the brand actually meant something. sounds like it no longer does.
[03:07:35] <renesis> most dont, also old shit is old
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[03:12:38] <roycroft> i still have a marantz receiver from the '70s in my fermenting room
[03:12:53] <furrywolf> how much does it weigh?
[03:13:13] <PetefromTn_> man I am SO out of practice with that damn tig torch LOL...
[03:13:25] <PetefromTn_> AND I am about out of freaking gas of course
[03:13:30] <roycroft> it's an SR4000
[03:13:34] <roycroft> probably 15kg?
[03:13:39] <roycroft> i haven't picked it up lately
[03:13:42] <roycroft> maybe 10kg
[03:14:26] <renesis> http://i.ytimg.com/vi/UJg90RT9pss/maxresdefault.jpg
[03:14:29] <furrywolf> too new. :)
[03:14:30] <renesis> this?
[03:14:35] <renesis> heh, sexy
[03:15:12] <roycroft> it's fine for the room
[03:15:21] <roycroft> you would probably approve of my main hifi though
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[03:16:04] <renesis> well, furry thinks her frankenshit is great, so as much as i talk i approve of it
[03:16:20] <roycroft> the tuner is a mcintosh mr73
[03:16:34] <roycroft> preamp is mcintosh c28
[03:16:51] <roycroft> power amp is mcintosh mc2100
[03:17:06] <roycroft> speakers are stacked original advents, walnut cabinets
[03:17:19] <roycroft> all of that weighs a whole lot
[03:17:30] <renesis> oh nice
[03:17:41] <renesis> advents are supposed to be good
[03:17:58] <roycroft> you comment on the advents and not the mcintosh gear?
[03:18:10] <roycroft> i have baby advents in my garage btw :)
[03:18:17] <renesis> if youre lucky enough to live someplace that doesnt eat the surrounds =(
[03:18:35] <renesis> mcintosh = $$$, usually old
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[03:19:28] <renesis> honestly im more into pro and studio stuff, and not very nostalgic as im not that old, relatively
[03:20:03] <roycroft> the grateful dead used a humungous pile of mcintosh mc2100s for their wall of sound
[03:20:36] <renesis> yeah i <3 garcia but im not too into the dead, neat sound system tho
[03:20:41] <roycroft> their original wall of sound was mcintosh tube amps
[03:21:03] <roycroft> oh, it was mc2300 amps, not mc2100
[03:21:11] <renesis> man that prob required a whole maintenance team
[03:21:24] <roycroft> 28 mc2300 = 48 * 600w = 28,800 watts of power
[03:21:40] <roycroft> powering 586 jbl speakers and 54 electrovoice tweeters
[03:22:36] <roycroft> my amp is 100w x 2 or 200w x 1
[03:22:48] <roycroft> and those are real watts
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[03:22:54] <roycroft> not cheap chinese modern watts
[03:23:22] <roycroft> i'm just saying, mcintosh is definitely pro gear
[03:23:32] <roycroft> their bigger amps are rack mountable
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[03:24:40] <roycroft> i only own the old stuff because i still can't afford to buy mcintosh gear new
[03:24:50] <roycroft> it's not nostalgia
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[03:32:22] <renesis> roycroft: one place i worked, they basically rebranded these chinese knockoffs of qsc class-h amplifiers
[03:33:08] <renesis> like, i was looking at the schematic for them, and got all confused like deja vu like i already knew details of the circuit
[03:33:46] <renesis> then realized the schematic basically was the qsc class-h schematic that qsc hosts on their website
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[03:34:21] <renesis> they were decent amps, tho, the hand picked engineering samples at least
[03:35:41] <renesis> we asked them for a 5kW version, it was like 4U, like 2/3 of the space was a huge toroid transformer
[03:36:50] <renesis> anyway, put it on the AP and that shit sustained like 5kW into a test load, sub 1% thd on the audio precision, for better part of a minute before i pussied out and turned it off
[03:37:17] <renesis> it was shaking the rack like it was coming in for reentry, falling from space
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[03:38:26] <renesis> so yeah, those china amps were pretty awesome, even if the circuit was ripped off
[03:39:31] <renesis> also i know of guys in #redditaudio have had good luck with china lab gruppen clones for monster a/v setups
[03:52:09] <zee-Lathe> ren talking to yourself??
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[04:10:49] <zeeshan> furrywolf: hi
[04:10:49] <renesis> zee-lathe: walked off in the middle of a convo, so kind of finished it
[04:10:56] <zeeshan> renesis: ah
[04:10:58] <zeeshan> i just saw the log
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[04:12:01] <renesis> basically, sometimes china watts are real watts. they can afford the copper it takes and know what design to copy
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[06:40:15] <Deejay> moin
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[06:58:48] <ganzuul> o/
[07:00:33] <ganzuul> Today is school interview day.
[07:01:00] <ganzuul> For chip making school.
[07:01:25] <archivist> fish and chips
[07:04:35] <Deejay> :)
[07:08:17] <ganzuul> :p
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[09:36:38] <XXCoder> archivist: put fish in machine, machine it and you get fish chips
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[10:36:23] <ktchk> Hi close loop stepper controller, 1.8 or 0.9 stepper motro
[10:38:39] <XXCoder> 1.8 ot 0.9 what?
[10:38:41] <XXCoder> degrees?
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[10:44:25] <ktchk> yes
[10:45:30] <XXCoder> .9 definately has much higher accuracy
[10:45:37] <XXCoder> moves less per step
[10:45:57] <XXCoder> 400 steps per single rotation
[10:46:12] <XXCoder> 1.8 is only 200 steps per rotation
[10:46:30] <XXCoder> however you should check its torque and see if around same
[10:46:38] <XXCoder> 0.9 degree usually is more expensive
[10:47:10] <ktchk> I like the 0.9 deg but the factory said 1.8 deg is enough
[10:47:20] <XXCoder> usually is
[10:47:38] <XXCoder> mines 1.8
[10:48:08] <ktchk> I have to connect it to a fast ball screw 10mm per turn
[10:48:43] <XXCoder> so that is basically 200 steps per 10 mm
[10:49:02] <XXCoder> single step would be 0.05 mm
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[10:49:21] <ktchk> less then 1000 inch
[10:49:26] <XXCoder> for .9 degree, single step would be 0.025 mm
[10:49:51] <ktchk> that is 1/1000 inch good
[10:50:01] <XXCoder> yeah
[10:50:43] <ktchk> It used to be connected to a servo motor with a 1000 dot disk
[10:52:05] <ktchk> money either goes to controller for servo or stepper motor, looks stepper motor is cheaper
[10:53:03] <XXCoder> servo has nice advanges
[10:53:05] <XXCoder> but yeah
[10:53:46] <ktchk> but this servo have also a 1000 dot disk at the end and is close loop
[10:54:05] <ktchk> stepper controller
[10:55:09] <XXCoder> cool
[10:57:10] <ktchk> i have to convince the factory to change the motor to 0.9 deg one, and the factory disagree
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[10:57:43] <XXCoder> why they disagree
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[10:58:04] <ktchk> may be price??
[10:58:46] <XXCoder> possibly, 0.9 is more expensive
[10:59:19] <ktchk> ok but they have to break a package to change it.
[10:59:40] <XXCoder> well
[10:59:49] <XXCoder> you can always just order motors seperate;y
[10:59:52] <XXCoder> and swap em
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[11:00:23] <ktchk> may be I can pay for the swap difference less money
[11:00:46] <XXCoder> maybe dunno
[11:00:55] <ktchk> thanks
[11:01:05] <XXCoder> np hopefully it will work
[11:01:10] <XXCoder> gonna complete my cnc router lol
[11:01:21] <XXCoder> so close I can almost taste wood chips
[11:01:53] <ktchk> diy built
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[11:03:45] <ktchk> debian 7 or ubuntu 10.04?
[11:04:32] <XXCoder> ubuntu I think
[11:04:40] <XXCoder> whatever default linuxcnc package is. lol
[11:04:48] <ktchk> parellel port?
[11:04:52] <XXCoder> yeah
[11:04:57] <XXCoder> mines real cheap controller
[11:05:11] <XXCoder> entire electrics kit cost me coupe hundred
[11:05:20] <ktchk> no problem
[11:05:48] <ktchk> I am using 6560 board and cheap
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[11:06:58] <XXCoder> http://www.ebay.com/itm/3Axis-Nema23-Stepping-Motor-110N-cm-3-0A-4wire-board-TB6560-Power-for-CMC-mill-/281188392513?pt=LH_DefaultDomain_0&hash=item4178225e41
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[11:08:59] <ktchk> 6560 under linuxcnc have to use the negative side, test with stepconf first untill they works
[11:09:30] <XXCoder> forgot what I did, been a while but config worked for me
[11:09:39] <XXCoder> used tape "flags" on motors lol
[11:09:41] <XXCoder> spinny flags
[11:11:28] <ktchk> the wrong pulse edge made my motor jump and rettle
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[14:13:24] <lair82> pcw_home, you around?
[14:13:56] <pcw_home> Yeah
[14:17:22] <lair82> I am in the middle of a conundrum, I have ran out of inputs on my 7i70 card, and I need 1 more. A while back I had to move some inputs from my 7i73 to the 7i70, due to not paying attention to the fact that inputs 0-8 on the 73 are analog inputs. You mentioned maybe using a resistor to use these as regular hi/low inputs. How would I do that?
[14:21:48] <pcw_home> The input 0..7 are available in HAL as digital pins but since they are intended for analog
[14:21:49] <pcw_home> inputs, they have no pullups or pulldowns so will float to any random voltage if unconnected
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[14:25:50] <pcw_home> they will work as regular hi/low inputs if driven by a 0 to 3.3v signal
[14:25:51] <pcw_home> if you want to use them as switch inputs I would connect a pullup resistor
[14:25:53] <pcw_home> ( say 4.7K Ohms ) to each pin used for a switch and connect the other end of the resistor to
[14:25:54] <pcw_home> 3.3V . Then a switch that grounds the input will work
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[14:26:28] <pcw_home> _do not_ connect inputs 0..7 to 5V
[14:26:43] <lair82> I have a bunch of extra resistors from when you showed me how to correct the voltage on those resolvers, they are 250mw/47ohm,100ohm,220ohm, and 300ohm.
[14:26:57] <lair82> But I need to use a 4.7k ohm?
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[14:27:42] <ssi> doesn't need to be 4.7k, but those are all a bit low for a pullup
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[14:28:42] <ssi> depending on what you're connecting to the inputs, a 300R pullup might swamp the output impedance of your source
[14:29:16] <lair82> Ok, I see, so the resistor gets connected to the 3.3v and the input pin on the 73, then I wire the switch in, between the input and ground. Sound right?
[14:29:37] <ssi> yep
[14:29:43] <pcw_home> 1K to 10 K would be a decent range
[14:30:29] <pcw_home> 300 would but if you use a bunch you start increasing the 7I73s power draw
[14:30:35] <pcw_home> would work
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[14:31:14] <lair82> All I want to do is move the inputs I have going to the 7i70, back to the 7i73, to open up some inputs on the 7i70 for the rotary table I am adding right now. I moved the increment and axis select inputs to the 7i70, thinking I would be okay
[14:31:28] <lair82> Not so much now.
[14:32:07] <lair82> What if I put 2 300's in series for each input?
[14:32:16] <pcw_home> Yeah the 7I73 is OK for local buttons but not as good for long noisy wires
[14:32:52] <pcw_home> it will work (300 will work for a switch)
[14:34:08] <lair82> Ok, If I need to I have no issue getting bigger resistors, I just don't have any more room on my panel for another card :(
[14:35:08] <lair82> Either that or I put a 7i84 on the face of the Servo drive for rotary table so it has it's own dedicated I/O card.
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[14:49:36] <Loetmichel> Gnah.... anyone knows where to get two coaster front wheels for a wheelchair in central london?
[14:52:12] * Loetmichel is sitting here with my wife near the eye in a costa and her wheelchair has both front wheel hubs bent t the point they block ob the turret mount.
[14:52:40] <Loetmichel> .. thabks to london potholes on the walkwys
[14:52:46] <Loetmichel> Thanks
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[14:56:45] <Jymmm> I think I figured out my caster issue... drill out the wheel rivet to get to the underside of the presside in stud so I can cut it out, then replace with new 1/4-20 bolts and spacer washers. It won't be better, but I'm not planning on putting them on a moving truck again anytime soon either.
[14:56:50] ChanServ changed topic of #linuxcnc to: LinuxCNC is a linux-based open-source CNC control. | Latest release: 2.6.9 | http://www.linuxcnc.org
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[14:57:57] <Jymmm> Just need to get/find some quality bolts and not the home depot crap
[14:58:04] <Loetmichel> Anyone near london at all here?
[14:58:16] <archivist> Loetmichel, google finds a few repair places
[14:58:31] <archivist> I am 120 miles north of you
[14:59:08] <archivist> like http://www.visitlondon.com/traveller-information/essential-information/accessible-london/equipment-sale-hire-repair
[14:59:23] <Loetmichel> yeah. Tried the nex one... they said "only nhsvprovided wheelchairs "
[14:59:34] <archivist> heh useless
[15:00:30] <archivist> http://www.visitlondon.com/traveller-information/place/165699-gbl-wheelchair-services
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[15:00:48] <Jymmm> whelchair repair?
[15:00:59] <Loetmichel> Semms i lust havevto bend thebplasic hubs back again and be VERY careful at any pothole now
[15:01:31] <Loetmichel> Seems
[15:01:55] <archivist> not too far http://www.londonmobilityretail.co.uk/servicing-repairs.php
[15:02:39] <Jymmm> Loetmichel: what chair is it?
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[15:05:51] <archivist> Loetmichel, sort of thing a taxi driver might know where a local repair place is
[15:06:55] <Jymmm> If you just need a part, maybe you can find a broken/used one and salvage it from there.
[15:06:58] amnesic is now known as amnesic_away
[15:07:08] <archivist> possibly part of the "knowledge" they have to learn
[15:07:16] <Jymmm> heh
[15:07:24] <archivist> Jymmm, he is abroad
[15:07:46] <Jymmm> where?
[15:08:00] <Loetmichel> Jymmm a german chep cgairvfrom ebay
[15:08:14] <Jymmm> Loetmichel: ah, gotcha
[15:08:28] <Loetmichel> Enigma is the only writing i see on it
[15:09:05] <Jymmm> http://www.enigmawheelchairs.com/
[15:09:20] <archivist> that repair shop run by disabled could possibly be more aware of getting stuff done at short notice
[15:09:44] <Rab> Loetmichel, tried contacting the chair manufacturer for a pointer to London distribution/service? They should be able to offer that info even if you weren't the original customer.
[15:11:31] <archivist> or a couple of swivel wheels from the local machine mart
[15:12:22] <Jymmm> local hospitals or old folks home probably have stcks of broken ones laying aournd in some closet
[15:12:27] <Jymmm> stacks*
[15:13:54] <archivist> machine mart is about a mile away with casters https://www.machinemart.co.uk/pages/stores/location/london-docklands
[15:20:55] <lair82> pcw_home, ssi Thank You, now I'm back to work
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[15:26:27] <Jymmm> archivist: I need one of those here =)
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[15:27:14] <archivist> they are a useful outlet when you need something in a rush
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[15:28:51] <Jymmm> archivist: mechanical/industrial surplus stores are just rare things these days
[15:29:08] <Jymmm> if not extinct
[15:29:23] <archivist> machine mart is not a surplus store
[15:29:54] <Jymmm> I understand, just saying that mechanical stuff is hard to find anymore
[15:30:04] <Jymmm> locally that is
[15:30:11] <Jymmm> (retail)
[15:30:13] <archivist> just have to look in the right places
[15:31:43] <Jymmm> Hell, I went to home depot to get a second male garden to male faucet adapter that I had bought there years ago, they dont carry them in the store now, all online they said.
[15:32:03] <archivist> Loetmichel, you never mentioned the wheel diameter
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[15:41:22] <Loetmichel> We are heading back to the hotel now
[15:41:47] <Jymmm> Loetmichel: what size wheel do you need?
[15:42:58] <Jymmm> Loetmichel: I say hit an old folks home, tip someone over and snatch their chair ;)
[15:43:20] <Loetmichel> Jymmm about 5 to 6 inch and 8mm shaft thru the bearrings
[15:43:39] <Jymmm> Loetmichel: restraunt supply carts?
[15:44:03] <Jymmm> Loetmichel: the hotel luggage cart?
[15:44:13] <Jymmm> Loetmichel: furniuture dolly?
[15:44:46] <Jymmm> Loetmichel: broken hotel kitchen cart to salvage from?
[15:45:39] <Jymmm> Loetmichel: if it's a nice hotel, talk to the concierge, they're their job
[15:45:39] <lair82> pcw_home, just found a bag of 10K ohm resistors, should I just use those instead?
[15:45:54] <Jymmm> their*
[15:46:10] <pcw_home> yeah those should work fine
[15:46:19] <lair82> Ok, thanks
[15:46:47] <pcw_home> 3.3V is available on one of the 7I73 connectors
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[15:50:50] <zeeshan|2> it looks like indexable C axis for a lathe
[15:50:56] <zeeshan|2> isn't that common
[15:51:14] <zeeshan|2> and live tooling is even rarer for older machines
[15:51:34] <Jymmm> what is "live" tooling?
[15:51:47] <zeeshan|2> literally what it means, the tools are alive
[15:51:49] <zeeshan|2> they spin
[15:51:57] <archivist> milling head on a lathe
[15:52:01] <Jymmm> k
[15:52:02] <zeeshan|2> like imagine a lathe turret with a drill motor on one of the tools
[15:52:13] <zeeshan|2> so now you can drill bolt patterns in round parts for example
[15:52:15] <zeeshan|2> like a pipe flange
[15:52:17] <zeeshan|2> in one setup
[15:52:25] <Jymmm> gotcha
[15:52:54] <zeeshan|2> now i have a Q.
[15:52:54] <archivist> zeeshan|2, bench centres about 2 thou out of line ish
[15:53:10] <zeeshan|2> if you took a standard cnc lathe, say a 15 or 7.5hp spindle
[15:53:14] <zeeshan|2> and replaced it with a DC servo
[15:53:19] <zeeshan|2> would you still need a brake?
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[15:53:34] <archivist> depends
[15:53:51] <zeeshan|2> replaced dc servo would be equivalent torque
[15:53:54] <zeeshan|2> i mean hp
[15:54:01] <zeeshan|2> archivist: that is easy to fix i'd think?
[15:54:07] <zeeshan|2> it has adjustment for tha tail stock?
[15:54:39] <archivist> no adjustment at all
[15:54:45] <zeeshan|2> hmm
[15:54:55] <zeeshan|2> is it out in the X direction
[15:54:59] <zeeshan|2> or is it drooping down
[15:55:24] <archivist> x, if anything may be a bit of bed twist
[15:55:42] <zeeshan|2> it has to be?
[15:55:47] <zeeshan|2> theres no other place it can be coming from
[15:55:49] <archivist> I can correct it a bit by leaning on it
[15:55:51] <zeeshan|2> its not like the ways are worn
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[15:57:03] <archivist> I need a better bar, been cleaning the registers and centres got it from about 5 thou Monday to a couple today
[15:58:31] <archivist> added a lump under the front right to twist it a bit under its own weight, that got 1/2 a thou improvement
[15:59:02] <archivist> it has 3 feet so that is naughty :)
[16:00:37] <zeeshan|2> level the machine! :P
[16:00:51] <zeeshan|2> or has the casting sagged
[16:01:00] <zeeshan|2> from sitting on unlevel garden soil? :)
[16:01:31] <archivist> been stored vertical against the shed for years
[16:03:39] <zeeshan|2> i need to come up with a plan soon
[16:03:48] <zeeshan|2> about how to get a cnc lathe into my garage
[16:03:54] <Jymmm> BUG-A-SALT https://www.youtube.com/watch?v=FTVn6OhATaI
[16:03:56] <zeeshan|2> and move my current cnc lathe out but still be able to use it
[16:03:59] <zeeshan|2> while i get the new one running
[16:04:10] <ssi> what are you going to get
[16:04:19] <zeeshan|2> ive been going back and forth with this guy
[16:04:19] <zeeshan|2> http://www.kijiji.ca/v-business-industrial/mississauga-peel-region/cnc-lathe/1049659141
[16:04:32] <zeeshan|2> its in not working condition (the way i like it!)
[16:04:35] <ssi> :D
[16:04:39] <zeeshan|2> but it has all the guts there
[16:04:45] <zeeshan|2> its supposed to have a c-axis
[16:04:55] <zeeshan|2> and Y axis milling w/ live turrett
[16:05:10] <zeeshan|2> so you can pretty much machine say a hex on a lathe and drill holes at the same time
[16:05:20] <zeeshan|2> im trying to find out if it has a sub spindle
[16:05:32] <zeeshan|2> so you can move parts from one spindlke to antoher to do both sides of the part
[16:05:38] <zeeshan|2> if it does, i m pretty much buying it
[16:06:22] <zeeshan|2> i don't know how ill work with both machines at the same time
[16:06:31] <zeeshan|2> cause the current lathe takes up a lot of space
[16:06:34] <zeeshan|2> bead roller i can move to basement
[16:06:47] <pcw_home> Since it was apart I would verify that nothing is missing...
[16:07:00] <zeeshan|2> yea ill have to inspect it for a while
[16:07:04] <zeeshan|2> to see what they took apart
[16:07:22] <zeeshan|2> it has fanuc garbage on it
[16:07:25] <zeeshan|2> for the servo drives
[16:07:45] <pcw_home> what vintage?
[16:08:06] <pcw_home> older Fanuc drives are analog +-10
[16:08:06] <archivist> and the level says 2 2/3 minutes of twist
[16:08:25] <zeeshan|2> the control is a fanuc 16t
[16:08:33] <pcw_home> newer one are PWM, still newer are FSSB
[16:09:22] <archivist> chuck the toy car out to make space :)
[16:09:33] <zeeshan|2> the machines will go before the car will
[16:09:46] <zeeshan|2> if that reinforces how important the car is :)
[16:10:08] <archivist> machines are more important than cars!
[16:10:59] <zeeshan|2> im not sure how ill power this beast?
[16:11:06] <zeeshan|2> 20-25 hp will consume my whole house power
[16:11:20] <ssi> you're gonna need at least a 500A service for that
[16:11:28] <ssi> if you use ZeeshanMath(tm)
[16:11:32] <zeeshan|2> haha
[16:11:34] <archivist> get a generator, move to a proper industrial unit
[16:11:35] <pcw_home> If the Fanuc drives are there get the part number and I can tell you what they are
[16:13:35] <zeeshan|2> using the mill for the production job
[16:13:41] <zeeshan|2> i realize i need a foot switch for the tool changer
[16:14:26] <zeeshan|2> he says a similar machine sold on auction for 90000
[16:14:27] <Jymmm> zeeshan|2: just attach two bare wires to your knees ;)
[16:14:29] <zeeshan|2> i dont know what to make of that
[16:14:33] <zeeshan|2> i cant find any prices of this online
[16:15:07] <zeeshan|2> Jymmm: lol
[16:15:10] <archivist> new price maybe
[16:17:08] <zeeshan|2> gonna go look @ it tomorrow
[16:17:39] <zeeshan|2> ssi you still need to convince me
[16:17:50] <zeeshan|2> that if you're trying to power a 3 phase motor
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[16:18:12] <zeeshan|2> it won't consume 1.73 times the current vs a single phase motor for the same hp
[16:18:29] <zeeshan|2> power is constant between the two, so say 1hp motor -> 746W
[16:20:34] <zeeshan|2> both connected to 240V ac. if you were to hook up an ammeter on a the single phase motor you'd read 3.11A
[16:20:59] <zeeshan|2> but for the three phase motor you'd read 1.80A
[16:21:26] <zeeshan|2> so that means the incoming power wire size and breaker for the single phase motor has to be 1.73 bigger
[16:21:28] <zeeshan|2> for the larger current draw
[16:21:37] <zeeshan|2> where is my logic flawed in this?
[16:21:54] <Rab> zeeshan|2, either you get more hp or you dissipate the extra power. You canna' beat the laws of thermodynamics.
[16:22:12] <zeeshan|2> ive done this sizing enough times at eaton, and means ive been doing it too safe if you say otherwise
[16:22:32] <zeeshan|2> rab i don't understand where you're bringing thermodynamics into this
[16:22:34] <Rab> So does a 3-phase motor dissipate 73% more power? I'm skeptical.
[16:22:36] <zeeshan|2> when im talking simple p=vi
[16:22:53] <zeeshan|2> its a simple 3 phase vs single phase math
[16:23:01] <zeeshan|2> for example if you don't want to look at the math involved in it
[16:23:03] <zeeshan|2> just look at this chart
[16:23:07] <zeeshan|2> http://www.engineeringtoolbox.com/ampere-phase-d_449.html
[16:23:13] <Rab> zeeshan|2, what's happening to the extra current the motor is allegedly drawing? It's definitely subject to the laws of thermodynamics.
[16:23:22] <zeeshan|2> fit shows equivalent current draw for different power ratings
[16:24:04] <zeeshan|2> Rab: my understanding in single phase you only got 1 phase providing the current
[16:24:12] <zeeshan|2> while in 3 phase, you got 3 phases
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[16:24:49] <zeeshan|2> the sum of those phases leads to the same power draw
[16:25:34] <zeeshan|2> you can think of it that the motor gets 3 small jolts vs 1 large jolt
[16:26:25] <Rab> That makes sense. But I don't understand why a 3-phase motor should draw almost twice the current for an equivalent workload.
[16:26:26] <zeeshan|2> Rab: power consumption is the same between the two, law of thermodynamics isn't violated.
[16:26:42] <zeeshan|2> because if you work the math out for 3 phases
[16:26:44] <zeeshan|2> vs single phase
[16:26:50] <zeeshan|2> and keep power constant between the two, and voltage also
[16:27:01] <zeeshan|2> you see that the current per wave changes
[16:27:32] <zeeshan|2> i took this class 4 years ago, so i am rusty on the math
[16:27:34] <pcw_home> the RMS current is the same (but you have to sum the 3 phase currents funny because of the 120 degree angle between phases)
[16:27:37] <zeeshan|2> but i remember the principle and chart
[16:27:55] <zeeshan|2> we were using "phasors" and came up wit hthe conversion between the two
[16:30:40] <zeeshan|2> pcw_home: on that chart, what type of current are tehy showing
[16:30:44] <zeeshan|2> it has tbe phase current
[16:30:45] <zeeshan|2> not rms
[16:30:56] <zeeshan|2> cause you spec a conductor size by the phase current
[16:31:11] <zeeshan|2> tbe = to be
[16:32:14] <ssi> zeeshan|2: I never quibbled about the 3ph current
[16:32:24] <pcw_home> right the total RMS current is the same, the per phase currents are different
[16:32:38] <ssi> it was your crazy method of taking the max possible input currents of every drive and summing them to come up with your service size that I took exception with :)
[16:33:08] <zeeshan|2> ssi, but that is the safest way to do it right?
[16:33:11] <zeeshan|2> i didn't design the machine
[16:33:22] <zeeshan|2> so i don't know what kind of duty cycles each axis will see
[16:33:28] <zeeshan|2> even running the machine right now, it varies so much
[16:33:47] <ssi> it's like if you were building a house, and you said "ok we have a 50A breaker for the welder and a 50A breaker for the AC and a 20A breaker for the stove and a 20A breaker for the dryer and ten 15A circuits for outlets and lighting... that means we need a 300A service"
[16:33:59] <zeeshan|2> but that's exactly how it's done though
[16:34:02] <zeeshan|2> for sizing distribution
[16:34:09] <zeeshan|2> you always size it on the safe size
[16:34:11] <zeeshan|2> side
[16:34:19] <zeeshan|2> dude you should see the service coming into oakville hospital
[16:34:25] <zeeshan|2> each floor gets 5000A
[16:34:28] <zeeshan|2> floor = ward
[16:34:29] <zeeshan|2> i mean
[16:34:31] <ssi> a hospital is a bit bigger than a house
[16:34:35] <zeeshan|2> yes
[16:34:43] <zeeshan|2> but each ward is like 5 houses
[16:34:53] <zeeshan|2> and it was well oversized!!
[16:34:55] <ssi> so why doesn't your house have 1000A service
[16:35:09] <zeeshan|2> ssi most of my friends houses have 400A service
[16:35:21] <zeeshan|2> and 200A is standard now on crap dewellings
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[16:35:34] <zeeshan|2> crap = off the mill houses :)
[16:35:49] <ssi> fine
[16:35:55] <pcw_home> Typically servos used for CNC draw less than 20% of their input rating because
[16:35:56] <ssi> better get started on installing the 1000A service
[16:35:57] <pcw_home> when they move fast they have little load and only have anywhere near full load at low speeds
[16:35:58] <ssi> cause you're going to need it
[16:36:12] <zeeshan|2> hahah ssi
[16:36:14] <zeeshan|2> i think 140A
[16:36:19] <zeeshan|2> will run the machine fine
[16:36:28] <ssi> if you add up the full load input ratings of everything you have in two big cnc machines
[16:36:33] <ssi> it's going to sum to a ridiculous number
[16:36:36] <zeeshan|2> i would underdrive the 20hp spindle motor
[16:36:37] <ssi> and you'd better be on the safe side!
[16:36:51] <ssi> maybe 2000A service to be safe
[16:36:56] <ssi> hell, call them and get a 2mw substation put in
[16:37:00] <zeeshan|2> the single most largest thing that oversizes wire for the mill is the spindle motor
[16:37:05] <zeeshan|2> it by itself is sized for 60A
[16:37:20] <pcw_home> Spindles are usually where the power goes
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[16:37:51] <zeeshan|2> ssi, if i could go back and rework it
[16:37:52] <ssi> my vmc has a 15hp spindle. To run just the spindle on single phase I really need 4AWG and 100A
[16:37:57] <ssi> but I have it on 6AWG and 60A
[16:37:58] <zeeshan|2> i would take the machine power rating on the back
[16:38:08] <ssi> guess what happens if I draw more current than I have wire to handle
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[16:38:18] <zeeshan|2> and use that to calculate my primary load entry breaker
[16:38:37] <zeeshan|2> the breaker trips
[16:38:39] <ssi> yep
[16:38:47] <ssi> so tell me how I could make it "more safe"
[16:38:51] <zeeshan|2> there is nothing wrong with that at all
[16:38:57] <zeeshan|2> you're just not using the max potential of your motor
[16:39:00] <ssi> agreed
[16:39:04] <zeeshan|2> which i doubt you'll ever need
[16:39:04] <zeeshan|2> haha
[16:39:08] <ssi> agreed
[16:39:18] <zeeshan|2> but i think for a lathe minimum should be 7.5hp
[16:39:20] <ssi> if I get to a point where it's nuisance tripping because I'm trying to use the full potential of the motor
[16:39:22] <zeeshan|2> and for a mill same thing
[16:39:24] <ssi> I'll pull a bigger service
[16:39:30] <ssi> SIMILARLY
[16:39:37] <zeeshan|2> like when i am cutting .375 full slot cutt in mild steel
[16:39:38] <ssi> if you have five 2000W servo drives
[16:39:47] <ssi> the chances of them actually needing 10kw rms are pretty small
[16:39:49] <zeeshan|2> im pretty much close to the 5 hp rating of the mill motor
[16:40:06] <ssi> but if by god you do manage to hit that limit, a breaker trip isn't the worst that can happen
[16:40:16] <ssi> size the breaker to the wire
[16:40:20] <ssi> select sane values
[16:40:25] <ssi> don't add up all the damn numbers you t ard
[16:41:07] <zeeshan|2> ssi
[16:41:15] <zeeshan|2> i wanted to maximize the usage of my mill
[16:41:18] <zeeshan|2> so i could take heavy cuts
[16:41:24] <zeeshan|2> for the lathe, obviously i need to tone down
[16:41:33] <zeeshan|2> i want max potential for each servo drive
[16:41:41] <zeeshan|2> (especially Z axis)
[16:41:49] <zeeshan|2> but i'd tone down on the spindle power
[16:44:21] <zeeshan|2> ssi speaking of your mill
[16:44:23] <zeeshan|2> is she in action?
[16:44:27] <ssi> hell no
[16:44:36] <zeeshan|2> youve been flying too much
[16:44:39] <ssi> yep
[16:44:45] <zeeshan|2> get back into it :{
[16:44:56] <ssi> it's been so damn hot too
[16:45:14] <zeeshan|2> i wish i could say the same
[16:45:18] <zeeshan|2> its been a mild summer up here
[16:45:25] <zeeshan|2> i never remember it being this mild
[16:45:29] <zeeshan|2> i had a hoodie on last night
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[16:45:45] <ssi> it's been high 90s and 800% humidity for months
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[16:46:14] <Loetmichel> re at the hotel
[16:46:23] <CaptHindsight> as a sanity check I'd measure the temp of all the conductors, motors and drives to put yourself at ease
[16:47:33] <CaptHindsight> if the data still doesn't calm any fears then at least you'll know what the problem is
[16:47:51] <zeeshan|2> CaptHindsight: ir testing was standard
[16:47:56] <zeeshan|2> for custom enclosures
[16:48:14] <zeeshan|2> i forget , but i think the bus bars could not exceed 90C
[16:48:27] <archivist> someone stateside there are some HP laser interferometer bits on fleabay
[16:48:42] <zeeshan|2> link?
[16:49:14] <archivist> http://www.ebay.com/itm/HP-Hewlett-Packard-5505A-Laser-Interferometer-Display-Carrying-case-/141742020916
[16:49:42] <archivist> http://www.ebay.com/itm/HP-Hewlett-Packard-5510A-Laser-Interferometer-Automatic-Compensator-10564A-/141742034026
[16:50:00] <archivist> no head and mirror though
[16:50:31] <CaptHindsight> Vacaville, California
[16:51:13] <archivist> and rather old, but something to play with and learn from
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[16:52:21] <zeeshan|2> are nixie tubes valuable?
[16:52:28] <zeeshan|2> i have this from a local space
[16:52:30] <zeeshan|2> that they want me to sell
[16:53:16] <archivist> nerds like nixies....grrrrrr
[16:53:36] <archivist> dont wreck good gear for them
[16:53:46] <zeeshan|2> http://i.imgur.com/BPiaAaH.jpg
[16:53:50] <zeeshan|2> this is a philips counter
[16:54:07] <zeeshan|2> i dont know if it's valuable enough to raise money for the hackerspace
[16:54:56] <zeeshan|2> archivist: i guess you've got interferometer on the search list eh?
[16:55:01] <zeeshan|2> i want one!
[16:55:07] <zeeshan|2> buy one, so when i come to englad
[16:55:11] <archivist> hehe hhhooooo me
[16:55:12] <zeeshan|2> its another thing i can load in the suitcase
[16:55:37] <archivist> I have a PM6645 frequency counter manual
[16:56:01] <Rab> archivist, I keep buying cheap gear from hamfests to rob the nixie tubes, finding out it works perfectly, and then setting it on a shelf. :(
[16:56:19] <archivist> rofl...good boy
[16:56:21] <zeeshan|2> :D
[16:56:21] <Rab> Last piece was a nice Systron-Donner counter...I just couldn't do it.
[16:56:46] <archivist> which one, some were microwave
[16:57:00] <Rab> This is low-frequency, might be 100KHz.
[16:57:27] <Rab> I think it's intended more as an event counter than a frequency counter.
[16:57:54] <zeeshan|2> rab are counters valuable?
[16:58:10] <Rab> zeeshan|2, not really.
[16:58:13] <archivist> not especially valuable
[16:58:14] <zeeshan|2> damn :P
[16:58:36] <SpeedEvil> zeeshan|2: look on ebay
[16:58:40] <archivist> but nixie robbers are making them more scarce
[16:58:42] <SpeedEvil> zeeshan|2: they are saleable, but not valuable
[16:58:43] <Rab> It's the kind of thing you would use a microcontroller for, or just a piece of software.
[16:58:51] <zeeshan|2> SpeedEvil: not sure what to look for
[16:59:02] <Rab> zeeshan|2, what's the model number?
[16:59:40] <SpeedEvil> http://www.ebay.co.uk/itm/50-Pcs-IN-4-IN4-Big-Nixie-Tubes-for-clock-NEW-NOS-OTK-Made-in-USSR-TESTED-/171774465490?hash=item27fe8e55d2
[16:59:52] <SpeedEvil> http://www.ebay.co.uk/itm/Used-Tested-Nixie-tubes-IN-14-14-1pcs-/151747772338?hash=item2354df3fb2
[17:00:00] <zeeshan|2> rab don't have it on me :(
[17:00:06] <SpeedEvil> http://www.ebay.co.uk/itm/6-Pcs-IN-14-IN14-Nixie-Tubes-for-clock-Used-tested-working-OTK-Made-in-USSR-/171231468324?hash=item27de30db24
[17:00:09] <Rab> Don't get me wrong, a frequency counter is a desirable thing, but if it's <1GHz and takes up 2U+, it's pretty much worthless.
[17:00:42] <archivist> I had better hide my 18ghz one then
[17:01:21] <Rab> Vast quantities of cheap russian-made tubes out there. Vintage US-made tubes command a premium.
[17:01:40] <Rab> And they usually are better made.
[17:01:41] <zeeshan|2> these nixie tubes require a hv supply right
[17:01:43] <zeeshan|2> to light em up?
[17:01:49] <archivist> yup
[17:01:50] <zeeshan|2> im assuming they are like neons
[17:01:57] <Rab> Yep, ~180V @ ~2mA.
[17:01:58] <zeeshan|2> or are neons!
[17:02:00] <archivist> they are neons
[17:02:09] <zeeshan|2> that is very cool
[17:02:16] <SpeedEvil> archivist: Are there other ones? Argon?
[17:02:19] <SpeedEvil> Krypton?
[17:02:25] <SpeedEvil> Radon?
[17:02:28] <zeeshan|2> radon
[17:02:28] <zeeshan|2> lol
[17:02:58] <Rab> Some have added gasses to improve life, maybe Argon.
[17:03:05] <archivist> I dont remember seeing any other gasses used
[17:03:15] <Rab> Often mercury.
[17:03:29] <zeeshan|2> the taste of mercury vapor
[17:03:33] <CaptHindsight> did anyone ever start remaking Nixie tubes?
[17:03:34] <zeeshan|2> delicious
[17:03:34] <cradek> http://www.ebay.com/itm/191535753261 I think I paid a buck or two apiece for these a while back
[17:03:57] <Rab> CaptHindsight, there are DIY efforts. ;)
[17:04:04] <SpeedEvil> CaptHindsight: I've considered doing a nice cathode ray tube clock
[17:04:40] <Rab> Some russian vacuum tube factories tooled back up for the musical equipment market. I think there are so many surplus russian nixies that there's no profit motive.
[17:04:48] <SpeedEvil> https://nstoneroy.files.wordpress.com/2013/11/jj-thomson-cathode-ray-tube.jpg - like this
[17:05:06] <SpeedEvil> But - with a mahogony base, brass trimmings, ...
[17:05:19] <ssi> have you seen glasslinger on youtube?
[17:05:24] <ssi> he's made some handmade nixies
[17:05:34] <CaptHindsight> http://www.tubeclockdb.com/nixie-clocks/137-cosmodog-nixie-numechron.html i recall their being a shortage when this was first built ~10 years ago
[17:06:12] <CaptHindsight> Rab: did they find them tucked away in old missile silos?
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[17:07:32] <Rab> CaptHindsight, apparently tubes were very widely used in the USSR long after they were considered archaic in the west, including display devices.
[17:08:20] <archivist> more EMP proof
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[17:08:22] <Rab> And nixies are pretty cool, having a much faster response time than competing technologies until LEDs came along.
[17:08:29] <Rab> archivist, aye
[17:09:14] <Rab> I think VFDs probably have phosphor persistance issues, and incandescent displays are very slow.
[17:09:36] <SpeedEvil> VFDs could be arbitrarily fast
[17:09:42] <SpeedEvil> tehre are some damn fast phosphors out tehre
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[17:10:45] <Rab> Now, but maybe not in 40-50yo numeric display applications.
[17:11:11] <Rab> (Fair point since I used current tense)
[17:15:33] <skunkworks_> cradek, you should sell kits of your vector clock
[17:20:00] <CaptHindsight> the old Zenith factory tossed out and auctioned off some much of the equipment for tubes back in the 80's
[17:20:37] <CaptHindsight> some/so
[17:20:59] <CaptHindsight> back then you couldn't wait to get away from tubes
[17:22:20] <archivist> zeeshan|2, that counter seems rare I can read the model number in that picture
[17:23:37] <archivist> possibly mid 1960's
[17:24:48] <Rab> zeeshan|2, you should use it in a cool CNC application.
[17:25:18] <PetefromTn_> jeez man it never fails just when you get started Tig welding your bottle of shielding gas runs out LOL
[17:25:37] <archivist> should be in a counter museum
[17:26:53] * SpeedEvil has idly wondered about a welding cabinet with an airlock for work.
[17:28:04] <Deejay> hrhr
[17:28:17] <Deejay> oxygen bottles on the back and go welding in the cabinet :)
[17:28:47] * PetefromTn_ tries to remember how much the last full bottle set me back hehehe
[17:29:44] <SpeedEvil> Deejay: I was meaning a somewhat smaller 'glove box' type
[17:29:58] <Deejay> ah okay
[17:30:20] <SpeedEvil> Though a room filled with argon would be great for some visitors.
[17:30:21] <Deejay> but you need to get your workpiece inside
[17:30:30] <Deejay> without all the argon to vanish
[17:30:49] <CaptHindsight> PetefromTn_: are welding gas vendors hard to find in your area that don't want to lock you into using their tanks only?
[17:30:53] <Deejay> 'enter at own risk' ;)
[17:31:04] * PetefromTn_ wonders how much of the room his back purge setup has filled with argon in the past LOL
[17:31:10] <SpeedEvil> Hence an airlock. Pump down to ~vacuum, purge with a small amount of argon, pump down again, and then introduce into chamber
[17:31:28] <PetefromTn_> CaptHindsight Honestly I AM locked into using their tanks for 5 years SIGH
[17:31:42] <CaptHindsight> I drive ~50 miles to get mine refilled in my tanks
[17:32:02] <PetefromTn_> I just gotta hit knoxvegas maybe about 15-20 minute drive
[17:32:26] <PetefromTn_> typically a full size tank lasts me awhile because I do a LOT more CNC milling than I ever do Tig welding
[17:32:40] <Deejay> hmm, vacuum is a good idea
[17:32:50] <Deejay> removes blubbles during welding ;)
[17:33:00] <PetefromTn_> but if I can get my Stainless technique down better I may be doing a LOT more of it here possibly.
[17:33:47] <CaptHindsight> PetefromTn_: mine are the 330CF tanks
[17:34:47] <SpeedEvil> Deejay: Plus - skip the argon, and go e-beam
[17:35:18] <PetefromTn_> Honestly don't rememeber how big these are just the biggest one they typically use for Tig/mig welders.. about five and a half feet tall
[17:37:56] <CaptHindsight> PetefromTn_: sounds like 300-330
[17:38:09] <CaptHindsight> ~1 foot in dia?
[17:38:54] <CaptHindsight> PetefromTn_: whats a CO2/Argon refill cost you?
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[17:57:46] <PetefromTn_> Sorry I was out in the shop machining some picatinny rails...
[17:57:55] <PetefromTn_> I THINK it was like $70 or so
[17:58:03] <PetefromTn_> yeah about a foot in diameter...
[17:58:26] <PetefromTn_> I use it to bend sheetmetal across all the time ;)
[17:58:41] <Deejay> hehe
[17:59:45] <PetefromTn_> Damn things are heavy tho getting it in the truck is a bitch LOL I need to build some sort of bottle loader but I never get to half of the ideas I NEED to make for the shop
[18:00:10] <ssi> I need to go fill my argon bottle and both my forklift tanks
[18:00:26] <PetefromTn_> I finally built a little torch holder for the table after having the thing fall off the table and crack the ceramic too many times.
[18:00:31] <ssi> the welding supply is right across the street from the airport but it's a hassle because they refuse to fill propane tanks unless you have a pickup truck or a trailer
[18:01:53] <PetefromTn_> do you use the argon mix or just straight argon?
[18:01:59] <jdh> I take o2 and He bottles in the back of my yukon
[18:02:02] <PetefromTn_> how much do you pay for a full bottle?
[18:02:02] <ssi> straight argon
[18:02:10] <ssi> I dunno it's been awhile
[18:02:18] <ssi> $45 maybe?
[18:02:28] <ssi> I have a 125cuft bottle and an 80
[18:02:33] <ssi> mostly only deal with the 125
[18:02:36] <PetefromTn_> DAMN I don't remember what I paid but I think it was a lot more than that..
[18:02:46] <ssi> I'll let you know next time I fill it :)
[18:02:54] <ssi> I know the propane tanks are like $35-40
[18:03:00] <PetefromTn_> Oh okay its a bit smaller bottle then...
[18:03:07] <ssi> 125 isn't a small bottle
[18:03:21] <PetefromTn_> I said SMALLER not SMALL ;)
[18:03:31] <ssi> smaller than what?
[18:03:35] <ssi> smaller than the big tanks they fill from :P
[18:04:01] <PetefromTn_> I dunno man I am not sure what size mine is but from what Capt just said it sounds like a 330
[18:04:23] <PetefromTn_> its just the standard large bottle you see on commercial sized Mig/Tig welders
[18:04:25] <jdh> 300/330 are about 5ft tall
[18:04:39] <PetefromTn_> yeah a little taller maybe
[18:04:47] <PetefromTn_> have not taken a tape to it ;)
[18:05:09] <PetefromTn_> I have seen a WIDER bottle that is slightly shorter before too
[18:05:19] <PetefromTn_> that must be a big one
[18:05:38] <PetefromTn_> its probably 4-6 inches larger in diameter
[18:05:42] <ssi> 330 weighs 150lb
[18:05:49] <PetefromTn_> yeah its a heavy bastard
[18:05:59] <ssi> http://www.conroeweldingsupply.com/files/cyl_sizes.jpg
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[18:06:26] <ssi> the 80 is the size of a standard scuba tank, fwiw
[18:06:30] <jdh> I take r in my yukon. I took them in my VW once.
[18:06:33] <ssi> 122/125 is slightly taller, same diameter
[18:06:35] <jdh> 4
[18:06:49] <ssi> 250s and 330s are fatter but not much taller
[18:06:55] <ssi> and they weigh far more
[18:07:21] <PetefromTn_> just measured it, it is for sure the big one 330 it is 60" tall with the cap on as in that photo
[18:07:51] <ssi> well it should be less htan $100 to fill
[18:08:13] <PetefromTn_> yeah I THINK it was like $75.00 last time
[18:08:15] <jdh> http://www.artichoke.org/vw.jpg
[18:08:33] <ssi> jdh: looks like three 250s and a 330?
[18:08:48] <jdh> 2 of each
[18:08:58] <ssi> ah ok
[18:09:31] <jdh> they switch between 250 and 300 for ABO a lot
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[18:09:48] <ssi> I need to get a big ABO bottle and a rig to fill my small bottle from
[18:09:49] <jdh> but they dont change the price
[18:09:53] <ssi> it doesn't last long enough
[18:10:30] <ssi> also I need to get a 125cuft nitrogen bottle and regulators for both high pressure for struts and low pressure for tires
[18:10:33] <jdh> I boost mine to 3600
[18:10:58] <ssi> hm I've always wondered about boost setups
[18:10:59] <ssi> how does that works
[18:11:54] <jdh> mine just does 30:1 with max 150 drive gas
[18:12:52] <jdh> but, it is a nice haskell and it is oxygen service
[18:13:22] <ssi> what do they cost?
[18:14:15] <jdh> new, $4k or so for o2
[18:14:58] <ssi> you're using it for scuba mixes?
[18:15:06] <jdh> yeah
[18:15:18] <ssi> I need it for actually ABO'ing :P
[18:15:31] <jdh> there is a baby haskel good for smallish abo bottles
[18:16:02] <jdh> ABO has better moisture spec than medical
[18:16:26] <ssi> I think nowadays pretty much all you can buy is ABO
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[18:16:35] <ssi> if you ask for welders oxygen they fill it from ABO grade bottles
[18:17:05] <jdh> it all comes from the same tank here
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[18:24:48] <PetefromTn_> Jeez nice and sunny ALL DAY LONG and right when I gotta go pickup my kids from school the nasty thunderstorms roll in LOL
[18:30:02] <PetefromTn_> http://i.imgur.com/yGy9nXE.jpg Love this Weaver rail program it is pretty cool to hit go and have a sweet rail in about half an hour...
[18:35:05] <PetefromTn_> http://i.imgur.com/y0rMZtb.jpg after some light brush finishing still needs some more deburring then black anodizing...
[18:37:23] <_methods> you doing the anodizing?
[18:38:27] <PetefromTn_> yeah I plan to only do farm it out for larger orders... These are a small run and each one goes to a different person never sold more than two to a single customer so the need for them to be absolutely consistent is not as great.
[18:38:39] <_methods> good deal
[18:39:00] <PetefromTn_> will probably be doing it this evening hopefully after dinner
[18:39:30] <_methods> aren't most rails hardcoat anodized though?
[18:40:20] <PetefromTn_> these are for precision air guns so recoil is negligible but I have never had any problems with them and I have sold a BUNCH of them all around the world.
[18:40:31] <PetefromTn_> So I doubt it is an issue if they are not
[18:40:36] <_methods> i have no idea
[18:40:40] <_methods> i was just wondering
[18:41:17] <PetefromTn_> honestly I have purchased lots of rails and rings over the years and none were terribly hard and most easily scratch LOL
[18:42:23] <PetefromTn_> that includes those designed for firearms use
[18:42:29] <PetefromTn_> Gotta go BBL
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[19:24:00] <Loetmichel> Jymmm: hrmpf... ok, we are settling for using the wheelchair as lightly as possible. its only one day of london left anyway.. we will do mdme tussauds in the moring and the tower in the evening and then fly home on thursday. (hopefully mdme tussauds has cleared their lift problem by tomorrow morning or some 200 pounds in vip tickets go back to refun
[19:24:02] <Loetmichel> d
[19:24:14] <Loetmichel> :-(
[19:24:59] <cradek> can you rent one? a lot of people need short-term use of medical equipment like that
[19:25:13] <Loetmichel> all i would need would be a lathe, two slabs of aluminium and about 3 hrs of time... and this wheelchair would have new coaster hubs/rims
[19:25:36] <Loetmichel> cheap ebay wheelchar
[19:26:48] <Loetmichel> caster wheel hus and rims made of plastic, didnt withstand the london potholes today
[19:27:27] <Loetmichel> both rms anre bent sideways to the point that they rub on the caster turrets
[19:27:36] <Loetmichel> hubs
[19:27:38] <Loetmichel> rims
[19:27:45] <Loetmichel> are
[19:34:04] <Loetmichel> cradek: http://www.cyrom.org/palbum/main.php?g2_itemId=15919&g2_imageViewsIndex=1 <- plastic of the rim didnt holdthe load and bent sideways
[19:34:49] <cradek> TWENTY - 20% off all orders! Cannot be combined. Ends 8/12/15
[19:34:51] <cradek> (enco)
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[19:35:53] <cradek> the wheels are ok and the frame is bent?
[19:35:59] <Loetmichel> make som new rims and hubs out of aluminium for the 608zz bearings and pull the ruber over them... and have no more sorrow... but sadly i am about 800km from my lathe and some aluminium slabs :-(
[19:36:10] <Loetmichel> cradek: no, thre fre is straight
[19:36:34] <cradek> looks bent, under the weld
[19:36:38] <Loetmichel> the whels are bet to the point that the gray rubber rinds on the black "v" that rotates the casters
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[19:36:58] <Loetmichel> thats a "manufactured bend"
[19:37:19] <cradek> oh I see
[19:37:25] <Loetmichel> to mahe the csters sit "upright"
[19:37:29] <Loetmichel> casters
[19:38:09] <cradek> looks like a little less plastic and a little more metal was needed, then
[19:38:28] <Loetmichel> we say n germany "your rim has an 8" hen the same happens to a bicycle weel
[19:39:38] <Loetmichel> cradek: yes, likely a bit more aluminium would have prevented taht
[19:40:50] <Loetmichel> can you imagine the people at the London eye when i dismantled the casters and took my trusty little micro torcht to it and bent them back into useful shape?
[19:41:39] <Loetmichel> <- whipped out his leatherman wave and the bunsen torch right in front of the london eye security ;)
[19:42:15] <Loetmichel> but: we got home without another accident
[19:42:33] <Loetmichel> (of grinding to a stop because the casters blocking)
[19:43:04] <Loetmichel> but i dont think they will survive another "backbending"
[19:43:28] <Loetmichel> and they are seriously bent again now back at the hotel
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[19:51:31] <PetefromTn_> http://www.ebay.com/itm/VALENITE-VARI-SET-adjustable-boring-head-Holder-CAT-40-V40CT-BB2B-236-Modular-/111716910030?hash=item1a02d8c3ce What is missing here? I have never seen a boring head like that
[19:53:35] <XXCoder> certainly looks boring lol
[19:55:01] <PetefromTn_> Har de har har
[19:58:16] <Loetmichel> btw: the food here in the "grange tower hotel" is really up to englosh cooking fame standards :-(
[19:58:30] <PetefromTn_> LOL that bad?
[19:58:51] <PetefromTn_> I always hear London is Wonderful right up until you order food hehe
[20:01:17] <Loetmichel> 71 pounds for a steak with some chips and a calf piec with some polenta... and the calf was ordered medium rare and came well done/OVERDONE and my steak was ordered medium and came near raw and with some tendons in it.
[20:01:39] <Loetmichel> s/tendons cartilage
[20:01:42] <PetefromTn_> Ooh Tendons...BONUS!!
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[21:20:23] <Deejay> gn8
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[21:25:59] <PetefromTn_> Hehe My wife's SUV has been giving her sluggish starting problems lately....
[21:26:03] [qube] is now known as [cube]
[21:26:14] <PetefromTn_> So I tried to do some maintenance on the battery and checked the Alternator etc.
[21:26:57] <PetefromTn_> after putting some fresh battery acid in it and fully charging it unfortunatley it STILL would not start too well...
[21:27:21] <PetefromTn_> So I drove down to a local fellow who sells batteries for a great price I have used before many times
[21:27:53] <PetefromTn_> and while I was replacing the battery I FOUND MY TELESCOPING MAGNET I LOST EONS AGO LOL
[21:28:15] <PetefromTn_> It was UNDER the radiator shroud sticking to the underside of the top of the shroud
[21:28:42] <PetefromTn_> Unfortunately I already bought a newer nicer one but it was a nice bonus to take the sting out of having to buy another battery hehehe
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[21:51:47] <SpeedEvil> http://imgur.com/gallery/cey41cr dat routing
[21:57:28] <furrywolf> putting ACID in it? you should only ever add water unless you spilled acid.
[21:58:30] <PetefromTn_> I removed acid and replaced it with new acid hoping it would help... I got a big 5 gallon container of it from the Anodizing experience here I gotta do something with it ;)
[21:59:17] <furrywolf> lol
[21:59:21] <furrywolf> it won't help. :P
[21:59:29] <PetefromTn_> yup it didn't
[21:59:38] <PetefromTn_> but it's someone else's problem now ;)
[21:59:45] <PetefromTn_> got a core charge discount
[21:59:52] <PetefromTn_> with the brand new battery
[22:00:46] <furrywolf> you really shouldn't ever add acid... the acid concentration changes with the state of charge, and if you replace the acid with fresh acid, while part of the acid is bound to the plates, you end up with too much acid.
[22:01:01] <furrywolf> and, of course, during use you pretty much only loose water, so adding acid also would make you have too much acid.
[22:01:08] <furrywolf> either way you ruin the plates
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[22:01:33] <PetefromTn_> where were you when I needed ya? hehe
[22:02:28] <furrywolf> now, if the battery is spilled, then you can add acid... but you'll need to then give it an overcharge and then adjust the specific gravity.
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[22:03:51] <PetefromTn_> yeah I checked it with my Hydrometer left side bank was kinda kaput anyway
[22:05:06] <furrywolf> now, if you're bored and want to play with batteries, I need 60 gallons of electrolyte mixed up, and 40 cells drained, filled with water, agitated, drained, and refilled with said electrolyte. :P
[22:06:39] <PetefromTn_> Meh I'm good thanks
[22:07:42] <furrywolf> are you sure? the agitating is especially fun. you clamp your (gloved) hand over the top of the cell, turn it upside down, and shake...
[22:08:06] <PetefromTn_> yup sure ;)
[22:08:19] <zeeshan|2> yay
[22:08:21] <zeeshan|2> this job is done
[22:08:22] <zeeshan|2> finallyyyyyyyy
[22:08:31] <zeeshan|2> took a solid 12 hours
[22:08:51] <zeeshan|2> woulda taken prolly 4 on a mill-turn center
[22:08:59] <furrywolf> http://fw.bushytails.net/battsinvan01.jpg that look like that. 40 of them. :P
[22:09:04] <furrywolf> s/that/they
[22:09:20] <PetefromTn_> what are they for?
[22:09:31] <zeeshan|2> holy cow
[22:09:33] <furrywolf> storing power? :P
[22:09:33] <zeeshan|2> thats a lot of batteries
[22:09:39] <furrywolf> solar system
[22:09:53] <PetefromTn_> nice
[22:10:06] <furrywolf> each one is 1.2V 300Ah, NiFe.
[22:11:19] <furrywolf> and keep your acid well away from them. they're alkaline. if you try adding acid, you end up with something kinda like a grade school volcano science project, except more explodey and face-removey.
[22:12:49] <zeeshan|2> http://i.imgur.com/f5zVZTq.jpg
[22:12:55] <zeeshan|2> http://i.imgur.com/IVut9dV.jpg
[22:13:05] * zeeshan|2 loves the mill
[22:13:28] <furrywolf> the local battery dealer is forbidden from handling them on the same truck he uses for lead-acid batteries, due to the acid-alkaline risk.
[22:14:04] <furrywolf> I hate UPS.
[22:14:07] <furrywolf> "Severe weather conditions have delayed delivery."
[22:14:13] <furrywolf> severe weather? you mean an abundance of sun?
[22:15:01] <furrywolf> every. single. shipment. it's always something.
[22:15:15] <zeeshan|2> lol
[22:15:18] <zeeshan|2> never happened to me
[22:16:44] <furrywolf> The image you are requesting does not exist or is no longer available.
[22:16:52] <zeeshan|2> really?
[22:16:53] <zeeshan|2> weird
[22:16:59] <furrywolf> http://i.imgur.com/IVut9dV.jpg
[22:17:05] <zeeshan|2> works for me?
[22:17:15] <jdh> private
[22:17:47] <zeeshan|2> hmmm
[22:18:11] <furrywolf> the first one works, but not the second.
[22:18:14] <furrywolf> spacers of some kind?
[22:18:30] <zeeshan|2> tapered hubs
[22:18:43] <furrywolf> that reminds me, I need to redrill the hubs on my subaru one of these days...
[22:18:44] <jdh> steel?
[22:18:53] <zeeshan|2> for a cp3 bosch diesel fuel injection pump
[22:19:01] <zeeshan|2> http://i.imgur.com/HrR2Vgl.jpg
[22:19:03] <zeeshan|2> does this work
[22:19:11] <LatheBuilder2> YUP
[22:19:14] <furrywolf> yes
[22:19:18] <LatheBuilder2> yup, rather
[22:19:19] <zeeshan|2> not sure why the other one isnt working
[22:19:35] <LatheBuilder2> imgur says removed
[22:19:39] <zeeshan|2> the hard part about these was the taper bore
[22:19:43] <zeeshan|2> i shot some video of it, will edit later
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[22:19:50] <zeeshan|2> jdh eys
[22:19:51] <zeeshan|2> *yes
[22:20:14] <jdh> why the seemingly odd bolt hole pattern?
[22:20:22] <furrywolf> if you're working on diesel parts, find me a way to get a subaru diesel engine cheaply. :P
[22:20:35] <zeeshan|2> 3 of the holes are on a bolt circle
[22:20:42] <zeeshan|2> the threaded holes are also on a bolt circle
[22:20:49] <zeeshan|2> with 2 instances missing
[22:20:59] <zeeshan|2> furrywolf: i got this job randomly
[22:21:07] <furrywolf> one way of making sure it only goes on one way. :)
[22:21:08] <zeeshan|2> bid on it, got it
[22:21:09] <jdh> that woudl be the 'odd' part
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[22:21:58] <furrywolf> my subaru's flywheel had 8 bolts... but they're something like 40 degrees apart, not 45, with a gap. only goes on one way.
[22:22:11] <zeeshan|2> same here for mitusbishi
[22:22:17] <zeeshan|2> ls is index
[22:22:21] <zeeshan|2> *indexed
[22:22:42] <furrywolf> while the engine I put it in has 8 evenly spaced holes in the crank. :P
[22:23:05] <furrywolf> had a local machine shop redrill the flywheel, since I didn't have my shoptask yet.
[22:23:29] <zeeshan|2> jdh: http://i.imgur.com/EdZHieH.jpg
[22:23:34] <zeeshan|2> http://i.imgur.com/Zl0J1ot.jpg
[22:23:41] <furrywolf> he charged me $40. I gave him $50 anyway, since he did a beautiful job, and said he had to sharpen the endmill three times to get through the 1" thick subaru cast iron.
[22:23:43] <zeeshan|2> can you tell why its odd now =D
[22:24:34] <furrywolf> I'm surprised that's not a part you just call up summit/jeggs/etc and order.
[22:24:47] <zeeshan|2> hes doing a retrofit kit
[22:24:50] <zeeshan|2> for another car
[22:25:02] <furrywolf> ah
[22:25:31] <zeeshan|2> onto the next job
[22:25:32] <zeeshan|2> =/
[22:25:46] <jdh> did you make any money?
[22:26:00] <zeeshan|2> yes!!!!!!!
[22:26:43] <furrywolf> does the extra exclamation marks mean lots of money? :P
[22:26:56] <jdh> yeah, but it is canadian $$, so...
[22:27:11] <furrywolf> ah, yeah, you need a lot of canadian exclamation marks then.
[22:27:38] <zeeshan|2> i made 60 bux a part
[22:27:55] <zeeshan|2> im cheap
[22:28:03] <zeeshan|2> this same stuff he got quoted 100 bux a part
[22:28:04] <furrywolf> and it took 12 hours a part, so $5/hour? :P
[22:28:18] <zeeshan|2> no it took 12 hours for the entire job
[22:28:19] <zeeshan|2> silly
[22:28:20] <zeeshan|2> :P
[22:28:29] <zeeshan|2> cam/cad/machining
[22:28:30] <furrywolf> how many was the job? :P
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[22:29:09] <jdh> materials?
[22:29:20] <zeeshan|2> 10 pieces
[22:29:22] <jdh> something fun to do anyway
[22:29:33] <zeeshan|2> material cost $25
[22:29:52] <zeeshan|2> (i already had scrap)
[22:29:57] <zeeshan|2> so not really a cost for me
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[22:30:11] <furrywolf> I want a subaru EE20. :(
[22:30:50] <zeeshan|2> why
[22:31:14] <furrywolf> blah, yep, still $10k on ebay.
[22:31:29] <furrywolf> because I want to get 80 miles per gallon while having more horsepower and much more torque? :P
[22:32:33] <furrywolf> http://www.ebay.com/itm/JDM-2014-Subaru-EE20-Turbo-Diesel-6M-T-Front-Clip-Half-Cut-RHD-Conversion-/251985892957 hrmm, only $8k, they're getting cheaper!
[22:33:17] <furrywolf> 155hp, 280ftlbs, 65mpg city+highway.
[22:34:00] <malcom2073> furrywolf: But free shipping :P
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[22:34:12] <zeeshan|2> what do you need that for
[22:34:13] <zeeshan|2> towing?!
[22:35:32] <furrywolf> ... are you, someone building a twin turbo car, complaining that other people like the horses and torques? :P
[22:36:15] <zeeshan|2> no
[22:36:21] <zeeshan|2> the torque on that is retardedly unbalanced
[22:36:29] <furrywolf> ... it is?
[22:36:34] <zeeshan|2> yes 155 hp
[22:36:37] <zeeshan|2> and 280ftlb
[22:36:38] <furrywolf> you can't have too much torque.
[22:36:54] * Tom_itx sends zeeshan|2 an invoice for his consultations
[22:37:17] * furrywolf sends Tom_itx one for the pullup resistor consultations. :P
[22:37:27] <Tom_itx> that's nothing new though
[22:37:44] <Tom_itx> i just wasn't sure about the onboard ones
[22:38:06] <furrywolf> it doesn't have any from my reading of the manual. it has termination resistors, which probably would work...
[22:38:23] <Tom_itx> yeah
[22:38:51] <Tom_itx> i maybe could have taylored the resistor divider and made it work as well
[22:39:02] <furrywolf> zeeL I think you forgot the diesel bit. :)
[22:39:05] <furrywolf> zee:
[22:39:23] <zeeshan|2> o
[22:39:25] <furrywolf> no. you had a floating input. that is always bad.
[22:39:46] <Tom_itx> oh i suppose...
[22:40:53] <furrywolf> that engine bay looks pretty crowded. it'd be fun shoving all that into another vehicle.
[22:41:06] <Tom_itx> now to put it all back together and shoot a rigid tapping video
[22:41:33] <furrywolf> and two top radiator hoses? I haven't seen that in a long time...
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[22:44:11] <furrywolf> I could make that fit, but it'd probably end up like zee's exhaust, needing oval pipes because there's not enough room for round pipes. heh.
[22:45:26] <furrywolf> I'm not sure though... the front of the engine is a lot further past the strut towers than the front of my engine, so either that tranny has the diff stubs a lot further back, or the engine is a lot longer.
[22:46:02] <furrywolf> since they fit under vw busses, it can't be TOO different...
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[22:47:39] <furrywolf> I wonder if anyone's made a hybrid transmission of the 6-speed and the dual-range 4x4 yet? :P
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[22:49:08] * furrywolf wouldn't mind having 12 speeds...
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[23:04:58] <norias> hi
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[23:40:30] <sector_0> hey guys
[23:40:53] <sector_0> what kind of hardware d I need in a linuxcnc setup?
[23:41:28] <sector_0> in other words, what is going to be between the computer and the steppers?
[23:44:57] <Tom_itx> are you using the parallel port or do you want a nicer setup?
[23:45:35] <Tom_itx> i'm using parport -> 7i90 -> 7i47S -> gecko drivers -> steppers
[23:45:53] <SpeedEvil> At a minimum, parallel port, and $3 or so boards to drive the steppers
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[23:46:29] <Tom_itx> using the parallel port you will use software stepgen
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[23:46:57] <Tom_itx> with mesa hardware it's done on the card and gets you higher steprates
[23:47:26] <sector_0> I don't have a parallel port
[23:47:37] <sector_0> and what's the mesa hardware?
[23:47:40] <Tom_itx> then a 5i25 is a buss solution
[23:47:57] <Tom_itx> or 6i25 for pcie
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[23:49:04] <Tom_itx> he packages stepper 'kits' with what you need except the stepper drivers
[23:50:36] <sector_0> is the parallel port the best/standard option on linuxcnc?
[23:51:01] <Tom_itx> it's really the only direct pc interface afik
[23:51:13] <Tom_itx> if you're not using a 3rd party card
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[23:52:01] <sector_0> Tom_itx, well there are a couple USB boards but they seem like more money than they're worth
[23:52:06] <Tom_itx> http://store.mesanet.com/index.php?route=product/product&filter_name=7i78&product_id=216
[23:52:11] <Tom_itx> DO NOT USE USB!!!
[23:52:16] <SpeedEvil> sector_0: many motherboards have parallel ports on headers still
[23:52:24] <Tom_itx> you will be permanently banned from this channel!!!
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[23:52:52] <Tom_itx> yeah you can find cheap MB with parports
[23:53:41] <Tom_itx> USB doesn't do realtime
[23:53:55] <furrywolf> GRRRR. boats.net sent me someone else's order!
[23:54:09] <Tom_itx> you sure have problems with orders
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[23:54:44] <Roguish> sector_0: USB is fraught with problems. primarily timing. just not a good option at all.
[23:55:05] <SpeedEvil> I suspect USB could be made to work in some circumstances with one device per root hub.
[23:55:07] <SpeedEvil> But...
[23:55:12] <SpeedEvil> It's just not a good idea
[23:55:27] <sector_0> well if I was ever considering USB you guys have properly convinced me
[23:56:10] <Tom_itx> that mesa kit would probably be your best bet
[23:56:41] <Tom_itx> or the same kit using a 6i25 pcie interface instead of pci
[23:57:10] <Tom_itx> same basic board just different buss size
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[23:57:43] <Roguish> sector_0: try not to get too cheap. remember 'a poor man can only afford the very best'.............. you don't want to have to purchase stuff 2 or 3 times, or waste lots of time on 'junk'
[23:58:27] <sector_0> Roguish, it's like you read my mind
[23:58:40] <sector_0> I was just looking at this...
[23:58:41] <sector_0> http://www.ebay.com/itm/5-axis-CNC-Breakout-Board-with-optical-coupler-For-Stepper-Motor-Driver-MACH3-/321565835927?hash=item4aded14297
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[23:58:49] <Tom_itx> and you'd have pretty decent support here using that stuff
[23:58:52] <Roguish> sorry, didn't mean to get too personal.
[23:59:45] <Tom_itx> what sort of cnc are you making?