#linuxcnc | Logs for 2019-03-13

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[00:21:05] <roycroft> this is an ao smith
[00:21:16] <roycroft> who used to be a very reputable motor manufacturer
[00:22:13] <Elmo40> aren't they a water heater company?
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[00:23:19] <roycroft> they do a lot of stuff
[00:23:26] <roycroft> and were heavily into hvac
[00:25:29] <Elmo40> Yamaha also does a lot of stuff... motorcycles to pianos to ocean liner engines!
[00:31:05] <roycroft> all i know is that the old ao smith motors were up there with the old baldor, leeson, dayton, etc. motors in quality
[00:31:19] <roycroft> these days most of that stuff is made in asia and branded usa
[00:31:27] <roycroft> like most things, sadly
[00:32:09] <roycroft> in my experience that does not necessarily mean the quality is degraded, but it means one can't base purchases on reputation alone any more - the quality can be too variable
[00:34:57] <Elmo40> i've noticed that.
[00:35:08] <Elmo40> with baldor the most!
[00:35:38] <Elmo40> in the past 3 years customers have bought brand new motors, ranging from 5 to 30, and i'd say 8% have failed by now.
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[00:46:50] <Wolf__> hmm, think this would be overkill for moving stuff around my garage? https://www.bidspotter.com
[00:48:07] <Elmo40> nope
[00:48:19] <Elmo40> just find a place to store it afterwards...
[00:50:58] <roycroft> i think you would need a bigger shop to use that, wolf__
[00:51:09] <roycroft> so if your goal is to build a bigger shop, by all means bid on it
[00:51:14] <Wolf__> lol yeah
[00:51:22] <roycroft> if you win you'll have to build the new shop
[00:52:37] <Wolf__> I want the smaller 400ton set @ the same auction lol
[00:58:35] <Wolf__> but… probably only bidding on dull stuff, scissor lift and tele handler, for building new shop
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[01:12:07] <Elmo40> i need a scissor lift
[01:12:16] <Elmo40> they keep going for way too much at auctions
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[01:18:13] <MarcelineVQ> they tend to need a lot of maintenance as well, or there's a lack of luck around here
[01:18:26] <MarcelineVQ> *in my area
[01:19:33] <Wolf__> this auction seems most are at 1k-2k right now, still just under 2 days left tho
[01:19:41] <Wolf__> one is at $30
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[01:30:08] <Elmo40> $30 or $30,000?
[01:33:26] <Wolf__> $30.00
[01:33:59] <Wolf__> but who knows what the current max bid is on it
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[01:36:59] <Elmo40> $45.00
[01:37:02] <Elmo40> ;-)
[01:37:49] <Wolf__> I’ll find out soon lol
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[03:17:54] <gloops> still very cheap https://www.ebay.co.uk
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[03:40:13] <Loetmichel> gloops: the delivery from nottingham could be a problem though ;)
[03:40:40] <gloops> not so bad for me - but i dont have the space lol
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[04:15:05] <Deejay> moin
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[05:38:40] <jthornton> morning
[05:38:52] <XXCoder> yo
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[06:08:10] <jthornton> chicken door opens later and later each day... almost 12hrs of daylight now
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[06:09:31] <XXCoder> someday it will be 25 hours of daylight ;)
[06:09:39] <XXCoder> nice tho
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[06:14:30] <jthornton> max light is 14 hours a day for added light, when natural light reaches 14 hours then the lights come on at dawn
[06:14:53] <XXCoder> yeah was kidding, 25 hours of sun in 24 hour day is impossible :)
[06:16:03] <jthornton> yea you would have to move to a planet with a longer orbit lol
[06:18:03] <XXCoder> nah slower rotation
[06:23:24] <pink_vampire> https://www.youtube.com
[06:25:43] <XXCoder> interesting
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[06:38:11] <weenerdog> goood mawnin
[06:38:25] <pink_vampire> hi weenerdog
[06:41:53] <weenerdog> howdy
[06:43:13] <Tom_itx> morning
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[06:51:06] <XXCoder> SpeedEvil: remember that video? https://www.ebay.com
[06:51:18] <XXCoder> $405???
[06:51:19] <XXCoder> whoa
[06:52:23] <pink_vampire> small flat screwdriver
[06:52:42] <XXCoder> item for sale isnt that tiny spade thing
[06:52:51] <XXCoder> its the oiler thing the container
[06:52:58] <XXCoder> it has 2 oil types and tip cleaner
[06:53:06] <XXCoder> think it comes with spade thing too also
[06:53:24] <pink_vampire> https://www.harborfreight.com
[06:53:35] <pink_vampire> how bad this thing is?
[06:53:37] <jthornton> morning
[06:54:12] <XXCoder> no idea, but its just motor with attachements, how badly could they flip it up?
[06:56:35] <weenerdog> harbor freight electric stuff is a crap shoot. some of it is trash. but i gotta say, my hf dildonic oscillating spindle sander is a good one.
[06:57:45] <pink_vampire> i want it for stuff like making cutters
[06:57:59] <jthornton> https://www.harborfreight.com
[06:58:05] <jthornton> weenerdog: that one?
[06:58:22] <weenerdog> yaya
[06:59:11] <pink_vampire> i like the fact that it take very small table space
[06:59:19] <weenerdog> i'd buy it again
[06:59:29] <weenerdog> (and since its hf, prolly will) 8)
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[06:59:33] <jthornton> I managed to get the backhoe battery in, unload the logs from the trailer, spot the trailer at my buddies house for more logs, clean up and put away all the wood working stuff and get the truck in the shop before it started to rain yesterday
[07:00:00] <weenerdog> spiffy. hope its that actuator doodad
[07:00:05] <jthornton> I need a oscillating spindle sander
[07:00:21] <weenerdog> everyone does. whether they know it or not.
[07:00:22] <XXCoder> i need an entire shop lol
[07:00:24] <jthornton> yea easy to test just take it out and press the button
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[07:03:02] <weenerdog> pink, i'd say take a chance on the grinder. use it a lot during the 90 day warranty and see if it dies.
[07:03:26] <XXCoder> yeah grind up few stuff
[07:03:30] <XXCoder> be rough
[07:03:37] <XXCoder> wear breathing mask
[07:03:44] <XXCoder> because its dust time!
[07:03:47] <weenerdog> drive it like ya stole it - dale earnhardt sr.
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[07:06:00] <weenerdog> dust shmust. weenfucius say "breath and become one with your work."
[07:06:12] <pink_vampire> i want to use CBN wheel
[07:08:14] <XXCoder> https://www.youtube.com
[07:08:51] <XXCoder> man I love his flip down table cnc router
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[07:09:26] <MarcelineVQ> pink_vampire: mind that the little sheemetal tabs they provide to work off of are pretty useless, if you want to be grinding cutters you'll probably want to replace those since they vibrate. which will probably mean replacing the guards entirely since they are attached to them and it's all flimsy sheetmetal
[07:12:35] <weenerdog> that is cool, xx. 3.5 axis? i wonder if he can index the tilt at al.
[07:13:04] <XXCoder> i dont think it can do other angles but easy enough to add similiar system as sine block.
[07:13:51] <XXCoder> that is, it has 2 rollers and guy can use defined lengths of wood planks to set angle
[07:13:53] <pink_vampire> XXCoder: you are become a wood worker O_O
[07:14:18] <XXCoder> my home shop is to be wood cnc shop more or less. at work im all alum and harder metals.
[07:14:20] <weenerdog> when i build my build i'm thinking about adding enough z travel to be able to nail on a 4th axis later.
[07:15:11] <weenerdog> but i like that flip top deal.
[07:15:38] <XXCoder> yeah
[07:15:43] <XXCoder> me dunno
[07:15:56] <XXCoder> i would start off with small wood stuff and small amunt of alum
[07:19:23] <weenerdog> i'm going ahead and building a 4'x4' first and building it so i can work a whole 4x8 sheet in halfs
[07:24:35] <jthornton> that's how I built my plasma I can slide a 4x8 sheet under the top rails and cut out up to 3x5
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[07:26:12] <pink_vampire> someone know how to make a selector switch with one button?
[07:26:44] <pink_vampire> so you press long press then have a selection
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[07:30:42] <pink_vampire> https://www.youtube.com
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[08:34:55] <jthornton> geez it's going to be 70°F today an tomorrow
[08:35:05] <weenerdog> nice
[08:35:19] <weenerdog> it snowed 4" friday, was 62 sunday here
[08:36:49] <jthornton> looks like more rain here this afternoon and tonight... maybe friday I can get back out to the woods and cut more trees down
[08:37:43] <weenerdog> you clearing it, or just stocking up firewood?
[08:39:46] <jthornton> both, clearing shooting lanes for my buddy and stocking up on firewood a win win for both of us
[08:40:33] <jthornton> mostly 8-12" diameter hickory so easy to handle 6' logs
[08:40:54] <weenerdog> i cheated last year. i sold a long right of way to a guy and a friend of mine did the clearing and grading. so two tandem loads of oak and maple logs landed in my wood yard :)
[08:40:59] <jthornton> just got a jumbo egg :)
[08:41:10] <jthornton> nice
[08:41:25] <jthornton> big logs?
[08:41:38] <weenerdog> i just lift them up on the forks on the tractor and slice them like bread.
[08:42:03] <weenerdog> some of them. most are @ 12-18"
[08:42:13] <jthornton> http://gnipsel.com
[08:42:27] <pcw_home> pink_vampire: you could probably cobble something together with the oneshot and flipflop components
[08:42:28] <weenerdog> thats a good pile
[08:42:28] <jthornton> that's the logs I got from clearing out for the new shop
[08:43:12] <jthornton> yea all gone now, buddy with a saw mill cut a few of the nice white oak for boards rest went to firewood
[08:43:49] <jthornton> I think he cut some of the red oak too
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[08:44:46] <weenerdog> another friend of mine is taking down a humongous locust thats on top of his shop. its like 30" a foot above the base. i'm borrowing my cousin's 35 ton portable flip up splitter and getting it. i have a friend who is very poor, but good to work. we usually work together and split the wood on deals like that. win/win
[08:45:23] <weenerdog> haul him a load, me a load, him a load, me a load til its gone
[08:53:05] <pink_vampire> pcw_home: it is a neopixels project that i try to control
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[08:58:24] <pcw_home> Silly me, I assumed it was LinuxCNC related...
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[10:12:12] <skunkworks> log
[10:12:13] <c-log> skunkworks: Today's Log http://tom-itx.no-ip.biz:81
[10:30:27] <gregcnc> looks like it could be retuned https://www.instagram.com
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[10:45:42] <pink_vampire> cute!!
[10:46:02] <pink_vampire> paint it pink and give it to me
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[10:58:34] <JT-Shop2> weenerdog: bad actuator
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[10:58:55] <weenerdog> sweeeeeeeeeeeeeeet
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[11:00:04] <weenerdog> the mechanic would have changed it and charged you hundreds for "changing the transfer case shift motor" :)
[11:00:42] <weenerdog> whats the actuator cost? @ $50?
[11:00:51] <JT-Shop> looking
[11:01:40] <weenerdog> ewww dorman is $119
[11:02:49] <weenerdog> i had crap luck with the dormans on mine, but just because salt eats the rubber diaphram. since yours is electric i would think it would be fine. i replaced the dormans once a year, then got an ac delco out of a junkyard and its still going years later :)
[11:06:47] <JT-Shop> oriley has one for $80
[11:07:15] <weenerdog> that aint so bad
[11:07:15] <cradek> now's a good time to replace it with one of the vacuum operated jeep ones
[11:07:22] <weenerdog> lol
[11:07:32] <weenerdog> yeah convert it to vacuum
[11:08:30] <JT-Shop> I think 15 minutes to change one is less than converting it to vacuum :)
[11:10:38] <weenerdog> with an arduino, you could go from the dash button to usb to ethernet to another arduino on a small hydraulic pump, from there a servo actuated vacuum switch hooked to a relay, then to the electrical actuator
[11:10:42] <weenerdog> that would be the simplest way
[11:10:57] <cradek> no you need to use a cell phone somehow
[11:11:02] <cradek> to make it simpler
[11:11:15] <gregcnc> there's an app for that
[11:11:20] <JT-Shop> I follow that logic but you need a tablet in there somewhere to monitor the action
[11:11:53] <methods_> oh that's just wasteful
[11:11:58] <gregcnc> while your at it make a fully produced YT video, and include some evaporust action
[11:12:00] <methods_> you need to use an old upcycled laptop monitor
[11:12:18] <cradek> vacuum switching controls in cars were the touch screens of the 70s
[11:21:31] <cradek> or earlier I guess... I drove a 52 for a while, and it only had a windshield wiper when going downhill
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[13:01:52] <jdh> damn you are old
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[13:08:59] <pink_vampire> 28 AWG amps?
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[13:33:42] <fragalot> 'sup
[13:34:05] <fragalot> miss0r: I just got that MMS as an SMS with an URL in it, stating I had 30 days to download & view it, lol
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[13:48:33] <gloops> £6 milling machine https://www.ebay.co.uk
[13:49:17] <fragalot> not sure what that is, btut hat is not a milling machine
[13:49:31] <fragalot> and stop posting prices for things that still have a week left on ebay :D
[13:50:20] <gloops> 4 days, they might have bidded out already
[13:50:48] <Jymmm> gloops: Final 60 seconds snip bidding
[13:50:58] <Jymmm> snipe*
[13:50:59] <gloops> i cant work out what it does either
[13:52:06] <Jymmm> Looks like a dril press of sorts
[13:52:08] <gloops> or what it could do
[13:53:02] <gloops> relatively big work surface - that it cannot reach
[13:53:11] <fragalot> t can probably only do one thing, but will do that one specific thing very well
[13:53:15] <fragalot> :P
[13:53:21] <SpeedEvil> Jymmm: 6
[13:53:35] <Jymmm> SpeedEvil: ?
[13:53:55] <SpeedEvil> Jymmm: you do not want to use 60s, because idiots may reconsider their 'max' bid and reenter a new one
[13:54:04] <gloops> yeah Jymmm iv got it down to last 5-10 seconds manually
[13:54:31] <Jymmm> SpeedEvil: ah
[13:54:40] <Jymmm> gloops: I have too =)
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[13:57:28] <fragalot> i'd greatly prefer it if you guys stuck to 60s
[13:57:31] <fragalot> thanks
[14:05:56] <roycroft> does that mean we all should be wearing bell bottoms and nehru shirts and protesting the war, fragalot? :)
[14:06:20] <fragalot> roycroft: if that rocks your boat
[14:06:37] <fragalot> keeps you from snapping things up on ebay too, so go for it :D
[14:10:15] <roycroft> blah
[14:10:28] <roycroft> my order for glass platen liners got cancelled
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[14:10:43] <roycroft> the seller said "unqualified buyer"
[14:10:48] <fragalot> o.O
[14:10:48] <roycroft> how am i unqualified?
[14:10:56] <roycroft> i have close to 1000 feedbacks, 100% positive
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[14:11:05] <roycroft> now i have to order from cyprus instead of the usa
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[14:12:10] <roycroft> so much for trying to buy things domestically
[14:13:46] <roycroft> because there are exactly two ebay sellers of those items: one from montana and one from cyprus
[14:14:07] <fragalot> and they both buy them frlom the same supplier in russia
[14:14:23] <Rab> roycroft, does the seller have their own website you could order from?
[14:14:44] <roycroft> not to my knowledge
[14:15:07] <roycroft> i would not want to order from that seller anyway, after having cancelled my first order for no good reason
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[14:15:30] <roycroft> i just verified that there are no shipping restrictions - the seller uses usps, so it's not a problem of lack of physical address
[14:15:43] <roycroft> and the listing/shipping info says nothing about not delivering to post office boxes
[14:15:52] <fragalot> they're probably just out of stock
[14:16:07] <roycroft> then they should have said so
[14:16:10] <roycroft> i'd be fine with that
[14:16:18] <roycroft> but the reason was "unqualified buyer"
[14:16:20] <fragalot> yea but that'd look bad for their statistics
[14:16:33] <roycroft> i just ordered from cyprus
[14:16:46] <roycroft> that boat takes a long time to get here, so i had better get it on its way quickly
[14:16:57] <roycroft> fortunately it will be a while before i build my platen
[14:17:47] <roycroft> i'll likely not be ready for the liners before they arrive (i'm actually going to make two platens - one general purpose, and one for grinding plane blades/chisels)
[14:19:08] <roycroft> the montana seller has been on ebay since 2003, but only has 145 feedbacks
[14:19:10] <roycroft> 100% positive
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[14:19:32] <roycroft> that's relatively few for having been a member for 15+ years
[14:20:20] <jdh> I hate selling stuff
[14:20:28] <fragalot> same
[14:20:29] <roycroft> it's a pain in the butt
[14:20:36] <roycroft> but collecting the money is nice
[14:20:36] <fragalot> try giving something away for free - that's even worse
[14:20:43] <roycroft> and having the stuff go away to free up space is nice
[14:21:18] <roycroft> i have a bunch of stuff piled up that i need to sell
[14:21:25] <roycroft> i need to just do it
[14:21:52] <roycroft> but it's such a hassle it's easy for me to just wait until i have a few more things to sell before getting around to it
[14:22:02] <roycroft> and then i add a few more things to the pile
[14:22:14] <roycroft> and wait again until there are a few more things
[14:22:54] <fragalot> hehe
[14:23:25] <roycroft> so i see folks add little ledges to the bottom of their platens all the time to support the glass liner, in case the adhesive fails
[14:23:35] <roycroft> but i've never seen anyone add a ledge at the top as well
[14:23:43] <roycroft> belt grinders are reversable
[14:23:51] <roycroft> and i'm sure i'll want to run mine backwards at times
[14:24:01] <roycroft> it would seem to me that a ledge at both ends would be prudent
[14:26:26] <roycroft> i was going to use hardened tool steel for my platen, but the glass liners stay a lot cooler, and i thought that would be a useful feature when i'm doing heavy grinding
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[14:29:42] <fragalot> why not 3D print the platen to have internal cooling channels, optimized for even cooling
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[14:39:19] <andypugh> I think I can see what this does, but I am not sure why it does it.. https://www.ebay.co.uk
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[14:52:09] <methods_> i don't get it either
[14:52:40] <gregcnc> weird rollers used instead of a whirly
[14:53:01] <andypugh> I think it is meant for centreless grinding.
[14:53:16] <gregcnc> yes
[14:53:16] <methods_> is the blade thing a wheel dresser or something?
[14:54:01] <methods_> oh no it's to stabilize under the work piece
[14:54:08] <methods_> interesting
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[14:54:37] <andypugh> It’s a lot of parts for the money.
[14:55:03] <gregcnc> https://www.youtube.com
[14:55:18] <methods_> probably not a bad thing to have around for just doing a quick grind on something on the regular grinder
[14:55:51] <methods_> oh fancy that one is motorized
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[14:56:14] <gregcnc> extra 3.50 probably
[14:56:43] <methods_> lol
[14:57:52] <methods_> hmm for $100 not too bad for quick little grind job
[14:58:02] <Papagno> Hi at all. i have a problem on real machine and sim machine on master , with exsternal offset. if impose in ini file OFFSET_AV_RATIO = 0.5 and have in ini file max_velocity = 2 and run a g0 x0 cooamnd , the axis run at g0 at 60 mm/min , when normally it run 120 mm/min with value 2 in max_velocity . the g0 velocity change , if change OFFSET_AV_RATIO value. because ?
[14:58:49] <gregcnc> no collets, low height, must have some use, is this a copied thing or did they actually come up with something?
[14:58:51] <Papagno> For sim , test axis/sim/external_offset/jwp_z.ini
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[14:59:29] <methods_> little more than $3.50 for the motors
[14:59:33] <methods_> https://www.ebay.com
[14:59:55] <gregcnc> Gromax is a real distributor though
[15:01:39] <gregcnc> eh, even from china they are 521USD
[15:02:02] <methods_> i wouldn't mind getting one just for dressing down tooling for clearance or whatever
[15:02:07] <gregcnc> Amazon is a strange place. Why do they occasionally have tooling for nearly free?
[15:03:02] <methods_> one of the wonders of the world
[15:04:06] <gregcnc> I bought a Sandvik holder and inserts yesterday for something like 80% off.
[15:04:35] <methods_> score
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[15:05:09] <methods_> i scored an 1-1/4" 880 corodrill 6xd for $145 the other day
[15:05:25] <gregcnc> yeah, nice
[15:05:27] <methods_> normally like $900+
[15:05:33] <andypugh> Papagno: I don’t full understand the question, but I think what you are seeing is that AV_RATIO leaves half of the max velocity and accel available for the external offset.
[15:05:49] <andypugh> So the axis runs at half speed when there is no offset change
[15:06:00] <methods_> i'm sure it was stole at that price lol
[15:06:21] <methods_> i just keep a sandvik 880 alert on ebay at all times for stuff like that
[15:06:25] <gregcnc> but these are coming directly from Amazon/Sandvik
[15:06:46] <methods_> they might be clearing that tooling out then
[15:07:07] <Papagno> the g0 run at half the vaule in max_velocity value. but i don't have able exsternal offset.
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[15:07:26] <Papagno> this is normal in actual master ?
[15:07:39] <gregcnc> I think it's some try amazon deal. Hardinge and Guhring doesn't list much anymore
[15:08:05] <andypugh> I don’t know for sure. You might get a better answer on the Forum, as that is a more likely place to find Dewey (who added external offsets)
[15:08:37] <andypugh> Punch-grinder in action: https://www.youtube.com
[15:09:00] <Papagno> ok athnks
[15:09:28] <methods_> https://www.ebay.com
[15:11:03] <methods_> i was gettin scared watchin him drop that wheel down right on the work piece lol
[15:11:18] <methods_> at about 2:09 lol
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[16:11:55] <Tom_itx> JT-Shop, most of Kansas should anticipate wind gusts of at least 60 mph. Later this evening and tonight, peak wind gusts could exceed 70 mph
[16:13:03] jelly is now known as jellytoo
[16:13:09] <Wolf__> gregcnc: deep clearance pricing is normal on amazon, guess after stuff sits in their warehouse for x time they start dropping price to get it to move, I have picked up several odd things for 80% off or less direct from amazon
[16:14:38] jellytoo is now known as jelly
[16:16:08] jelly is now known as jellytoo
[16:16:26] jellytoo is now known as jelly
[16:22:36] <gloops> that cuts pretty well lol https://ibb.co
[16:22:54] <gloops> not much chance of getting a 30 degree V bit long enough though
[16:22:55] <XXCoder> that looks like a renderng?
[16:23:03] <XXCoder> oh
[16:23:11] <XXCoder> custom order heh
[16:23:12] <gloops> thats the simulated cut
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[16:25:02] <gloops> that the toolpath https://imgbb.com (not an order just playing, i might run it at the weekend - very small)
[16:25:21] <XXCoder> "you are using outdated browser"
[16:25:29] <XXCoder> lol gonna love that
[16:25:48] <XXCoder> thats upload page.
[16:26:01] <gloops> oh yeah
[16:26:10] <gloops> https://ibb.co
[16:26:37] <XXCoder> looks like 3 detail increasing layers
[16:26:42] <XXCoder> pretty long cut
[16:27:09] <gloops> 6mm endmill, 2mm ballnose, 30 degree v bit
[16:27:19] <gloops> actually looks ok without the v bit
[16:27:40] <gloops> XXCoder how did you know it was 3 cuts?
[16:28:01] <XXCoder> voodoo
[16:28:05] <XXCoder> its skull after all.
[16:28:11] <XXCoder> heh nah could see layers
[16:29:07] <gloops> its too long to be of any practical use
[16:29:32] <gloops> things like that are ok if its to make a mold or something, like once
[16:30:01] <XXCoder> yeah
[16:30:19] <XXCoder> or maybe 2 if you want say bookends for example
[16:30:32] <gloops> so i cut that, polish it up by hand, take a silicone mold - cast with low temp alloy, bingo
[16:30:39] <XXCoder> if small ones, picture frame corners lol
[16:31:11] <gloops> lol, have to say i can think of lots of things that should have skulls scattered around on them
[16:32:38] <XXCoder> lol
[16:32:40] <andypugh> If you want skulls it’s easir to just dig them up.
[16:33:04] <andypugh> Illegal, but easier.
[16:33:12] <gloops> i dont like being in the graveyard when its dark andypugh
[16:33:33] <gloops> not round here, id get mugged, or worse
[16:33:38] <andypugh> More subterfuge is needed if doing it during the say.
[16:34:22] <andypugh> And it would need to be a pretty strange mugger to hang about in a graveyard at night just in case someone rich and lacking in self confidence might come by.
[16:36:16] <XXCoder> SpeedEvil: now public https://www.youtube.com
[16:36:26] <gloops> probably better to be confident and do it in the day, just dress up like a gravedigger and go and dig some up
[16:36:47] <SpeedEvil> :)
[16:37:28] <XXCoder> item is now on ebay if you can afford it lol
[16:37:55] <SpeedEvil> I have enough cash that I could probably buy it, which is not quite the same thing
[16:38:10] <gloops> i had a walk round a cemetry in doncaster one sunday, some dodgy characters hanging around in there, also found a small copper stripping factory in the trees lol
[16:38:34] <gloops> (copper wire)
[16:42:57] <fragalot> that no deal vote was about as close as the referendum, lol
[16:43:30] <gloops> the first ammendment was closer - 4 votes, 2 people
[16:43:54] <fragalot> I only saw 4 votes, must have been that amendment then
[16:44:04] <fragalot> didn't really follow in detail what amendments there were
[16:44:21] <gloops> that was an ammendment to take no deal away for ever
[16:44:56] <gloops> as opposed to taking it away up to march 29
[16:44:59] <fragalot> probably so close because it's choosing between shooting yourself in the left foot, or the right foot
[16:45:06] <fragalot> i terms of bargaining chips
[16:45:10] <SpeedEvil> fragalot: yeah.
[16:45:22] <SpeedEvil> fragalot: for some reason 'put down the damn gun' isn't on the table.
[16:45:50] <gloops> May is relentless, she is bullying the ERG/DUP to vote for her deal
[16:45:52] <fragalot> SpeedEvil: at least "move the gun a little further away" is, lol
[16:47:25] <gloops> no deal off the table, vote on extension tommorrow (parliament will vote for an extension) the EU wont give an extension unless for another referendum
[16:47:36] <gloops> ERG are well and truly in the corner
[16:47:56] <fragalot> the EU can only give an extension if all 27 member states agree on it
[16:48:14] <fragalot> so whilst not impossible.. it won't be easy to convince them all
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[16:48:35] <gloops> true, and just maybe some of Farages friends can fix things there - Italy may veto an extension
[16:48:49] <gloops> but i doubt it
[16:49:12] <gloops> they do what merkel and macron says
[16:56:21] <fragalot> gloops: for all you know the UK will veto itself in that vote :P
[16:57:00] <gregcnc> a fixer upper https://goo.gl
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[16:57:42] <fragalot> gregcnc: worth it just for the accessoires
[16:57:58] <gloops> 100 dollars
[16:58:11] <fragalot> ha I misread.
[16:59:09] <gloops> you can buy a pair of linear rails for that
[16:59:12] <gloops> cant
[17:00:27] <Rab> wow
[17:00:53] <Rab> Support Our Troops magnet included, presumably?
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[17:02:16] <gregcnc> that's a "you pay to remove my scrap metal price"
[17:03:18] <fragalot> gregcnc: because offering it for free brings in the nutters
[17:03:32] <fragalot> asking $100 gives people a chance to bargain it down to $80 and feel good about themselves
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[17:06:12] <gloops> id have it for 100, id whip all that wire off it and stick some longs steppers in
[17:06:41] <fragalot> i'd just resolder the Z axis driver board & fix any shitstains on it
[17:06:49] <andypugh> Just put a 7i77 on it.
[17:07:03] <Rab> 6,500 lbs
[17:07:07] <andypugh> (Unless the drives are dead)
[17:07:10] <fragalot> that too, assuming the drivers can be retro-wired
[17:07:37] <fragalot> some mistubishi lathes i've worked on had the drivers as part of the motherboard,.. no going around re-using them there
[17:08:23] <gregcnc> unfortunately, I don't have space
[17:08:34] <fragalot> lame excuse. :D
[17:08:59] <Wolf__> 10 hrs closer and I would be all over that
[17:09:05] <gregcnc> I know, it would be worth rigging fee
[17:11:04] <fragalot> assuming of course it's not worn down worse than the average bridgeport
[17:11:36] <Wolf__> if it even has dovetail anything in it
[17:11:58] <fragalot> linear & box ways both wear out too if neglected
[17:12:55] <Wolf__> linear may be easier to replace tho
[17:13:01] <fragalot> true
[17:14:39] <gregcnc> it has linear ways
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[17:15:36] <Wolf__> 10h 55m drive 702miles, I’ll pass =D
[17:16:38] <Wolf__> like $466 just in fuel for me lol
[17:17:10] <fragalot> hehe
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[17:17:59] <fragalot> about €70 in fuel for me, even with our higher fuel prices
[17:18:17] <fragalot> always surprising to hear how much fuel american vehicles guzzle
[17:18:20] <Wolf__> well thats w/ my truck
[17:18:53] <Wolf__> 4500kg of load
[17:19:26] <fragalot> sounds about right for a 40ton truck here
[17:19:39] <fragalot> averaging ~30l/100km
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[17:20:12] <Wolf__> 9mi/gal deisel @ ~$3/gal
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[17:20:38] <asdfasd1> anyone experienced in electroplating in alcaline bath?
[17:20:56] <fragalot> asdfasd1: not intentionally
[17:21:16] <asdfasd1> haha accidently?
[17:21:39] <fragalot> :D
[17:22:41] <asdfasd1> I cant figure out why the voltage is changing, Im using constant current, and randomly the voltage switch between 2 values, below 1 volt or above 2 volts
[17:22:56] <asdfasd1> stay stable for long time, and randomly switch again
[17:23:24] <fragalot> how pure is the anode you're using?
[17:24:06] <asdfasd1> dont know, just piece of steel wire
[17:24:26] <asdfasd1> soft steel
[17:24:38] <asdfasd1> I guess mostly iron but who knows...
[17:24:47] <Wolf__> fragalot: https://i.imgur.com and 9mpg (26.13 l/100km) is at the bad end of what that truck does 13mpg/18 l/100km is more typical when everything is running right, my car is more like 5.6 l/100km =D
[17:26:44] <fragalot> asdfasd1: the only 2 reasons I can think of that the voltage would swing like that is bubbles reducing surface area, or impure anode material (the material you are using to plate WITH), where the electron-voltage changes between the 2 materials currently plating
[17:27:03] <fragalot> that, or some weird chemical reaction swinging back & forth in the electrolyte
[17:27:35] <fragalot> Wolf__: 18 still sounds high for something that size
[17:27:37] <asdfasd1> it is not bubbles, definitely
[17:28:25] <asdfasd1> the bubbles dont change, and when agitate also not much change
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[17:28:45] <asdfasd1> sometime the voltage rise when I agitate the bath
[17:28:55] <asdfasd1> it switch from low to high
[17:29:14] <asdfasd1> but dont know when it switch from high to low, cant find out
[17:29:31] <Wolf__> fragalot: yeah, not exactly built for over the road use, 4wheel drive and built more for rough site work
[17:29:43] <fragalot> Wolf__: :-)
[17:29:48] <asdfasd1> how the bath behave when the metal ions are consumed and the anothe cant provide enough?
[17:30:04] <asdfasd1> anode*
[17:30:16] <asdfasd1> is there such voltage change?
[17:30:18] <fragalot> asdfasd1: voltage rises, normally
[17:30:25] <asdfasd1> is that possible reason?
[17:30:31] <fragalot> potentially
[17:30:34] <fragalot> (get it?)
[17:30:59] <asdfasd1> I left it sit overnight without anode in
[17:31:11] <asdfasd1> today it started with low voltage, and then rised
[17:31:25] <fragalot> can you increase the surface area of the anode?
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[17:31:46] <asdfasd1> yes I can, but it happened the same with large surface area
[17:32:17] <asdfasd1> I did try 5 times larger surface area
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[17:32:45] <Wolf__> using bubbler or anything to agitate the bath?
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[17:35:10] <roycroft> i am about to pull out my remaining hair
[17:35:14] <roycroft> an electrician is here
[17:35:21] <asdfasd1> I did try mechanical agitation, but couldnt notice any change, it was high voltage all the time
[17:35:48] <roycroft> my boss is asking him about how to use a piece of equipment with a 3 phase motor in the office, and how much it would cost to add a 3 phase circuit
[17:35:53] <fragalot> asdfasd1: not sure then.
[17:36:06] <roycroft> the electrician told him that the building "only has standard two phase power"
[17:36:17] <fragalot> roycroft: lol.
[17:36:23] <asdfasd1> any explanation why voltage should rise when metal ions are exhausted?
[17:36:37] <roycroft> as soon as the electrician leaves i shall tell my boss to not hire him under any circumstances
[17:36:53] <roycroft> this is as bad as the "push electricity" electrician i had to deal with years ago
[17:37:11] <roycroft> i needed some 30a circuits in a machine room, as we were going to get new upses soon after moving into it
[17:37:13] <fragalot> asdfasd1: conductivity changes, it takes more oomph to push the same current through the electrolyte from one electrode to the other
[17:37:23] <roycroft> but the upses we had at the time only needed 20a circuits
[17:37:28] <asdfasd1> ah, and forgot, at both voltages seems to build up thickness with same speed
[17:37:45] <roycroft> the electrician refused to install 30a circuits because they would "push" too much power to the existing upses
[17:37:45] <Wolf__> building actually have 3 phase?
[17:38:04] <fragalot> asdfasd1: it's the current that determines the rate of buildup, not voltage persé
[17:38:25] <roycroft> i pointed out that the existing upses had breakers and that i would replace the power cords with 10ga cords (rated for 30a)
[17:38:25] <fragalot> voltage tells you more about how efficient your setup is, and possibly what you are exchanging
[17:38:35] <roycroft> but he still said that the circuits would destroy the upses
[17:38:41] <fragalot> roycroft: oh god i've had that discussion before too
[17:38:45] <fragalot> >.<
[17:38:50] <Wolf__> roycroft: lol I have heard the same thing before, dont use a 5A usb power brick to charge 2A draw or it will burn up
[17:39:14] <roycroft> i am not a licensed electrician
[17:39:26] <roycroft> how is it that i know more about electricity than some licensed electricians?
[17:39:36] <fragalot> because a license is just a piece of paper
[17:39:40] <roycroft> especially since i don't kow much about electricity :)
[17:39:42] <fragalot> and people are idiots
[17:39:54] <Wolf__> ^ dont need to understand ohms law to hook up wires
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[17:40:23] <roycroft> my question is this:
[17:40:33] <roycroft> if a circuit "pushes" electricity like that
[17:40:41] <fragalot> which it doesn't
[17:40:42] <roycroft> then if i have a receptacle that i do not cap
[17:40:49] <fragalot> sparks!
[17:40:50] <fragalot> :
[17:40:51] <fragalot> :D
[17:41:04] <roycroft> does the electricity fall out of the receptacles onto the floor?
[17:41:30] <Wolf__> haha yeah, “how aren’t the electrons leaking out?”
[17:41:35] <roycroft> and if so
[17:41:38] <roycroft> how can i harvest them?
[17:41:58] <roycroft> if i cut a hole in the ceiling can i capture the extra electricity from the office above me and use it to power my gear?
[17:42:08] <Wolf__> =D
[17:42:35] <fragalot> roycroft: they do fall out, and you can capture them by using an extension cord
[17:42:38] <roycroft> ok, he's gone
[17:42:46] <JT-Shop> Tom_itx: pretty windy here at the moment
[17:42:52] <roycroft> now i have to explain to my boss what "split single phase" electricity means
[17:43:34] <Rab> fragalot, that requires an older non-double-insulated drill.
[17:43:38] <JT-Shop> weather.gov says 40mph gusts tonight
[17:43:50] <roycroft> and dissuade him of the notion that "2 phase" electricity is delivered to anyone by any power grid anywhere
[17:44:30] <roycroft> and then tell him that a phase converter would be way cheaper than bringing 3 phase power into the building
[17:44:54] <roycroft> but the cheapest thing would probably be to just swap out motors
[17:45:07] <roycroft> and to give me the useless 3 phase motor :)
[17:45:25] <roycroft> so i can "dispose" of it
[17:45:27] <Wolf__> most likely cheaper if you need the full HP rating on the machine
[17:45:37] <JT-Shop> it's not useless you can build a rpc with it
[17:45:49] <roycroft> i don't know what equipment this is even
[17:45:56] <roycroft> i have no idea how big the motor is
[17:46:17] <roycroft> it's useless to him
[17:46:34] <roycroft> which is why i would be willing to "dispose" of it for him at no charge
[17:46:45] <Wolf__> we are looking at the cost diff, 10hp 3phase air compressor, static phase converter + 15hp idler, or just get a 220v single phase 10hp motor
[17:47:12] <roycroft> look not only at immediate out of pocket cost
[17:47:18] <roycroft> but efficiency
[17:47:19] <roycroft> and
[17:47:31] <roycroft> look at maintaining three pieces of equipment vs. one
[17:47:56] <roycroft> 10hp is still small enough to run on single phase
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[17:48:25] <roycroft> oh
[17:48:30] <roycroft> he just said it's a paper cutter
[17:48:34] <Wolf__> yup, and not likely we are adding any other 3phase stuff there so not a good investment to get a rpc
[17:48:41] <roycroft> so probably a 1/4hp motor at most
[17:48:50] <Wolf__> lol
[17:48:56] <roycroft> i'm going to vote for swapping out the motor
[17:48:57] <Wolf__> yeah swap the motor out
[17:49:19] <roycroft> good
[17:49:28] <roycroft> and i avoided having to explain what split phase power is
[17:49:34] <Wolf__> haha
[17:49:56] <roycroft> i just told him it would be cheaper to swap out the motor and not need a dedicated circuit
[17:50:09] <roycroft> and that we could swap out the motor without having to use an electrician
[17:50:53] <Wolf__> I spent a hour or so explaining how RPC works and why there is a 1/3 loss on the static converter the other day to my business partner
[17:51:06] <roycroft> speaking of motors
[17:51:24] <roycroft> the vendor who sold me that used motor wants me to talk with their "ebay marketing specialist" tomorrow
[17:51:37] <roycroft> i don't know if that's a good thing or a bad thing
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[17:51:57] <roycroft> but when the word salad begins i usually end up with suboptimal results
[17:52:28] <roycroft> i'll keep an open mind until i have the convesation with the "specialist"
[17:53:00] <roycroft> i'm expecting the alternative fact that "nos" means "used"
[17:53:24] <Wolf__> =/
[17:53:35] <roycroft> the seller already left me positive feedback
[17:53:40] <roycroft> and i have left no feedback
[17:53:45] <roycroft> so i am at an advantage there
[17:54:36] <roycroft> one of the first things i learned about selling in ebay is to never leave feedback until the deal is totally done and all parties are satisfied with it
[17:55:46] <Wolf__> I’ve only had one bad experience on ebay, and that was mostly because the idiot didn’t package the thing correctly
[17:56:33] <roycroft> i've only left negative feedback once in almost 20 years and almost 1000 transactions
[17:56:34] <Wolf__> https://i.imgur.com https://i.imgur.com
[17:56:44] <roycroft> but i have had a few negative experiences
[17:57:11] <roycroft> that's pretty poor packaging
[17:57:36] <roycroft> one of the experiences i had for which i should have left negative feedback was a packaging issue
[17:57:43] <roycroft> i was actually pretty pissed off about it
[17:57:48] <roycroft> it was a mcintosh amplifier
[17:57:56] <roycroft> that weighed ~70lbs
[17:58:04] <andypugh> I reckon it will still work fine
[17:58:05] <roycroft> i insisted that the seller double box it
[17:58:13] <roycroft> and i told him i would pay for the extra packaging
[17:58:16] <roycroft> so he double boxed it
[17:58:19] <roycroft> he took one box
[17:58:27] <roycroft> put it inside another box that was the exact same size
[17:58:34] <roycroft> and then put the amplifier inside that
[17:58:54] <roycroft> it arrived damaged, of course
[17:58:55] <Wolf__> https://i.imgur.com this one, the seller refunded me 50% because they found a dent in the side of it when packaging it for shipping, listed as NOS
[17:59:05] <roycroft> but in a way that i could fix
[17:59:16] <andypugh> Last time I posted something like that I used a plastic recycling bin from Ikea as the outer skin, and packed the inside with: https://www.kitepackaging.co.uk
[17:59:17] <roycroft> the output transistors were mounted on huge heat sinks
[17:59:35] <roycroft> and those heat sinks broke
[17:59:49] <roycroft> i was livid
[18:00:21] <roycroft> but i also realised that the seller was too stupid to not understand what double boxing heavy, delicate equipment means
[18:00:34] <roycroft> so i ended up just not leaving any feedback, instead of leaving negative feedback
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[18:01:30] <roycroft> that lathe looks a lot like my lathe, wolf__
[18:01:39] <Wolf__> I think I did the same for that seller w/ the crap packaging https://i.imgur.com r8 for scale lol
[18:01:57] <Wolf__> its a emco 13x36
[18:02:06] <roycroft> aah
[18:02:10] <roycroft> mine's a jet 12x36
[18:02:16] <roycroft> probably made in the same factory
[18:02:20] <gregcnc> enco
[18:02:28] <Wolf__> probably
[18:02:32] <roycroft> there is both emco and enco
[18:02:46] <roycroft> which are likely both made in the same factory :)
[18:02:52] <roycroft> mine was made in taiwan
[18:02:55] <gregcnc> no they aren't
[18:03:02] <Wolf__> taiwan made on mine as well
[18:03:02] <roycroft> back before that stuff moved to mainland china
[18:03:16] <gregcnc> that is Emco aren't
[18:03:31] <Wolf__> it might be a enco, just thats just the decal on the end cover lol
[18:03:32] <roycroft> i believe you
[18:03:45] <roycroft> ack
[18:03:47] <roycroft> it's time to go home
[18:03:48] * roycroft goes home
[18:04:17] <andypugh> Emco was Austria, I think.
[18:04:33] <andypugh> Best packaging: (RS Components of course) https://photos.app.goo.gl
[18:05:04] <andypugh> The contents (4 of them) are balamced on top of the box.
[18:05:06] <Wolf__> Enco then
[18:05:26] <Deejay> gn8
[18:05:52] <andypugh> http://www.lathes.co.uk
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[18:12:59] <Wolf__> derp, its a 12x37 Dar-Sin
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[18:27:55] <jthornton> my feral cat buddy just took a nap in my lap well on my leg it's pretty small
[18:28:52] <andypugh> I have been watching too much eBay. I want an otter.
[18:29:02] <andypugh> Not eBay, YouTube
[18:29:06] <andypugh> Doh!
[18:29:43] <andypugh> I don’t think you can buy otters on eBay
[18:29:49] <jthornton> I'm watching chicken tv, one has something good and the rest are chasing her
[18:30:03] <jthornton> maybe otter accessories?
[18:30:36] <jthornton> do otters make good pets?
[18:31:22] <andypugh> I don’t know if they make good pets, I think they smell funny. But they are very cute. In a water-dog-cat-weasel-snake way
[18:31:45] <andypugh> I think Niklas Fauth has on otter fetish too, https://github.com
[18:32:29] <jthornton> interesting description water-dog-cat-weasel-snake way
[18:34:15] <andypugh> I got that from the comments here: https://www.youtube.com
[18:35:36] <jthornton> wow same family as badgers, martins and wolverines...
[18:36:03] <andypugh> Carnivora?
[18:37:52] <andypugh> <Wikipedia> Ah, the Mustelidae, I was nearly right.
[18:38:11] <jthornton> just found the page
[18:38:35] <jthornton> carnivora bears and such
[18:40:09] <andypugh> The Mustelids are a sub-order of the carnivora. But it’s a very big family. (As Wikipedia says, from the 25g Weasel to the 1 ton Polar Bear
[18:40:23] <jthornton> I think I'll stick with feral rescue cats and chickens lol
[18:41:28] <jthornton> weasel can be bad news to a chicken owner, they fit through the smallest crack
[18:47:10] <andypugh> Oddly my random Wikipedia path had just taken me to “henhouse syndrome” via stoats via weasels.
[18:51:27] <andypugh> Getting wierd now… the transgender mole vole… https://en.wikipedia.org
[18:52:01] <jthornton> yea that is getting a bit weird
[18:52:12] <jthornton> better go back to fleabay lol
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[20:05:15] <a-u> Looking for where to look for a way to switch back to F3 manual mode after an MDI command
[20:05:39] <a-u> For instance, that seems to work using the HB04 pendant, but not from gladeVCP.
[20:06:47] <a-u> ...ok, an automatic way, not just pressing F3 or some other button mapped to F3.
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[20:09:41] <a-u> Lemme know if better to ask some other place / time.
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[20:11:04] <Tom_itx> you're likely in the right place
[20:12:15] <Tom_itx> http://linuxcnc.org
[20:12:20] <Tom_itx> that might help
[20:13:29] <Tom_itx> halui.mode.manual bit in
[20:13:32] <Tom_itx> halui.mode.mdi bit in
[20:14:03] <Tom_itx> halui.mode.auto bit in
[20:14:11] <andypugh> Do you want to go back to manual after any MDI automatically?
[20:14:24] <andypugh> I think that might be difficult.
[20:14:37] <a-u> Thanks - that is a good lead, and I see halui.mode.manual bit in pin for requesting manual mode -- but... I'm missing how to connect that to a gladevcp button or such that has triggered an MDI via code or oword
[20:14:45] <andypugh> Though possibly an edge detectr component on the mode.
[20:15:03] <Tom_itx> there's bound to be a way :)
[20:15:13] <a-u> Yep - it would be quite handy to have many (all my?) buttons switch back
[20:15:45] <a-u> I know that the XHC MPG pendant code does it for those MDI commands....
[20:16:01] <a-u> ...or that the HALUI layer does it after those MDI commands.
[20:16:18] <Tom_itx> so what does the pendant code look like?
[20:16:41] <andypugh> The GladeVCP could call Python, that dies the MDI, does a wait-complete and then switchs back.
[20:16:44] <a-u> The code itself is stock linuxcnc and I think that layer is TCL
[20:18:00] <andypugh> You could investigate waiting a second after halui.mode.is-manual then send a halui.mode.manual. (HAL timedelay component)
[20:18:31] <a-u> I've not tried GladeVCP to Python yet, but its just another layer to puzzle out .
[20:19:22] <a-u> The wait-complete sounds good, then trigger the halui.mode.manual pin. I just don't know where to start that wiring.
[20:20:16] <andypugh> If you are in Python yo don’t need pins.
[20:21:00] <andypugh> http://linuxcnc.org
[20:21:13] <Tom_itx> what you been workin on lately andy?
[20:21:34] <andypugh> Nothing very LinuxCNC.
[20:22:03] <Tom_itx> finally got some thread mills to play with today
[20:22:17] <andypugh> Making lathe steady-rests, servicing my skis, and rerofitting a Faro arm wwith an Arduino-based replacement controller.
[20:22:40] <Tom_itx> you don't like their interface?
[20:22:49] <Tom_itx> or do you have other plans for it...
[20:22:56] <andypugh> My arm didn’t come with the controller.
[20:23:02] <Tom_itx> oh
[20:23:21] <andypugh> And the docs mention that the controller needs a maths coprocessor, so you cna guess how old it is....
[20:23:45] <Tom_itx> heh
[20:23:50] <Tom_itx> not a new arm then?
[20:23:59] <Tom_itx> dunno why i figured it was
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[20:24:05] <andypugh> No, very old. They are pretty expensive.
[20:24:17] <Tom_itx> yeah i know
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[20:24:36] <Tom_itx> they've got a bunch of scanners at the vo-tech where my kid goes
[20:24:47] <Tom_itx> from table top to full room
[20:25:07] <andypugh> Here are the rests: One original and the copies: https://photos.app.goo.gl
[20:25:30] <Tom_itx> yeah i remember those
[20:26:01] <andypugh> It’s going slowly, as I have bben doing a lot of skiing and roofing.
[20:26:40] <Tom_itx> are ford's cutbacks gonna affect you?
[20:26:50] <andypugh> Seems likely.
[20:27:05] <a-u> I just finished the GladeVCP and XHC HB04 .... oh, OK, so HAL action to python script ... google shows some links to GladeVCP calling python, so I'll start reading. -- thanks!
[20:27:05] <andypugh> 50/50 chance I will need to find a new job.
[20:27:07] <Tom_itx> gm & them have both announced major cutbacks
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[20:33:59] <norias> hello
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[20:37:51] <andypugh> Hi
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[20:41:59] <norias> how are you, andupugh?
[20:42:05] <norias> (i wish I could type)
[20:42:09] <norias> andypugh
[20:42:54] <andypugh> Annoyed at our government.
[20:46:18] <norias> oh, why?
[20:46:37] <andypugh> I am in the UK.
[20:46:44] <norias> That does sound annoying.
[20:46:48] <norias> God save the Queen.
[20:47:50] <andypugh> I am beginning to wonder if thisis the time for the Queen to sack the lot of them and take over.
[20:48:30] <norias> I guess ya'll have that option.
[20:48:43] <a-u> Uh... the good old QE won't last too long and some of the uh rest of the lot is uh less Sterling?
[20:48:45] <andypugh> (Interesting video about the Queen) https://www.youtube.com
[20:50:20] <norias> oh, this does look interesting
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[21:06:04] <norias> yup, that was interesting.
[21:06:18] <norias> also, a good reason to not have a queen
[21:07:20] <andypugh> How dare you!
[21:07:39] <andypugh> I am so shocked by that concept I am going to bed.
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[22:32:25] <trentster> Hey all, I am in the process of putting in a new BOB. The new board frustratingly expects to use a single input for the all the proximity sensors. My previous BOB had them configured and wired to individual input pins. I now have to re-setup the configs. Sigh. Does anyone per chance have a sample config that uses a single input for limit sensors?
[22:32:52] <pink_vampire> yes
[22:34:28] <pink_vampire> if you are talking about limit switches, just make N.C loop from them, or take all the signals from your sensors in to OR gate
[22:36:32] <trentster> Before I do this, I wonder if its possible to use the opto protected input pins on the BOB to wire them individually. The manual for the new BOB seems to indicate that those ports of to be used for probes etc. But surely why not proximity inputs? Is my logic sound on this?
[22:37:08] <trentster> This is the BOB I am configuring: https://machdrives.com
[22:37:13] <trentster> any thoughts
[22:38:22] <pink_vampire> you can setup a "virtual" OR gate in linux cnc and connect to it several inputs
[22:38:50] <trentster> a virtual OR gate?
[22:38:58] <pink_vampire> yes
[22:39:08] <pink_vampire> you add in in the hal file
[22:39:36] <trentster> googling
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[22:44:04] <trentster> Let me premis this with the fact I just want to get the machine back up and running with as little tinkering to the config files as possible. It would be great if I could use my existing setup as close as possible. I have already customized the interface with individual graphic sensor activation indicators.
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[22:48:25] <pink_vampire> trentster: the BOB don't change the configuration
[22:55:55] <trentster> pink_vampire: No, the change of BOB requires a change of configuration. e.g. the parallel port pin config are totally different.
[22:57:21] <pink_vampire> but it is still LPT port,
[22:57:36] <pink_vampire> just connect the pins like it was before
[22:57:39] <trentster> but it still requires a change of config ;-)
[22:59:05] <trentster> Well I can't connect the pins like they were before, because previously each proximity was wired to its own pin input. Look at the PDF manual for this BOB, do you see anywhere there where it supports individual inputs for multiple proximity limits?
[22:59:31] <trentster> This is why I am here looking for help.
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[23:00:44] <pink_vampire> but even if you change the pins it is the same configuration, just change the pin numbers in the hal file
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[23:02:54] <trentster> Ok, but can I wire proximity sensors to opto-isolated inputs. The manual seems to indicate NO
[23:03:37] <pink_vampire> proximity sensors give you 1 / 0 output if i remember correct
[23:04:50] <pink_vampire> and opto-isolated input are just optocuplers that drive the input pin in the LPT,
[23:05:02] <trentster> They give you high or 0 voltage when they trigger, depending if they are NC or NO
[23:05:17] <pink_vampire> what voltage?
[23:05:24] <pink_vampire> 5v output?
[23:05:36] <pcw_home> Yeah the common input and the 3 opto inputs can be used with Prox's
[23:05:37] <trentster> Yes, I think so
[23:06:37] <pink_vampire> you need to connect it between the input and the input GND
[23:06:37] <pcw_home> NPN Proxes sink (ground) current, PNP proxes source current so you need to know what type you have to wire correctly
[23:07:12] <pink_vampire> what BOB is that?
[23:07:53] <trentster> pcw_home: This is the BOB I am using https://machdrives.com
[23:08:16] <trentster> I was told it's an excellent quality one, (AU made fwiw)
[23:08:32] <pink_vampire> get the C10
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[23:09:09] <trentster> The cheapie ebay one that its replacing worked just fine for years, but all of a sudden stopped outputting variable voltage to the spindle for speed control.
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[23:10:08] <pink_vampire> so in your BOB you have + In1 -
[23:10:31] <pcw_home> if you had one of the cheap so called Mach 5-Axis BOBs those woudl only work with NPN type proxes
[23:10:44] <pink_vampire> + go to the sensor and - go to the GND of the sensor
[23:11:07] <trentster> https://machdrives.com
[23:11:53] <pink_vampire> the "opto" part is just an IR LED, so you need to just take the output and light that LED
[23:12:37] <trentster> when I tried the opto ports I dont pickup any voltage change when the prox fires
[23:12:49] <pcw_home> With NPN proxes you connect the OPTO + to +5V and OPTO- to Prox out
[23:12:52] <pink_vampire> WHY "32 bit ARM CPU with safety interlock logic."
[23:13:46] <pcw_home> NPN prox output states are floating or grounded
[23:14:40] <pcw_home> so you need to supply the power to drive the opto LED
[23:15:11] <pcw_home> ( assuming 3 wire proxes )
[23:15:12] <trentster> pcw_home: These opto are connected 1 wire to 12V + and 1 wire to - and the signal wire is what was previously connected to the bob input port.
[23:15:22] <pink_vampire> pcw_home: it is opto isolated input, he can connect it and way he want, as long the polarity of the signal is correct
[23:16:33] <pcw_home> Yes but they are NPN proxes so only one way to connect
[23:16:46] <pink_vampire> correct
[23:17:03] <pcw_home> (at least if prox GND = BOB GND
[23:17:42] <trentster> This is the current config in the HAL file
[23:17:43] <trentster> net deb-xprox-in <= parport.0.pin-12-in
[23:17:44] <trentster> net deb-yprox-in <= parport.0.pin-13-in
[23:17:44] <trentster> net deb-zprox-in <= parport.0.pin-15-in
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[23:17:54] <pcw_home> Note that you new BOB is +5V on OPTO +
[23:18:09] <pcw_home> (dont connect 12V without adding a resistor)
[23:18:31] <trentster> pcw_home: the new BOB is 12V
[23:18:54] <pcw_home> the OPTO inputs are 5V
[23:19:00] <trentster> aaah
[23:19:10] <trentster> That makes sense
[23:19:22] <pink_vampire> trentster: as i told you, it is just an led
[23:19:41] <trentster> shit…I may have blown them already - yikes!
[23:19:45] <pink_vampire> maybe they add a resistor on the board
[23:20:15] <skunkworks> still amazing... http://electronicsam.com
[23:20:25] <skunkworks> draw it up - print it out...
[23:20:33] <trentster> Depending on what voltage comes back from the Prox when they trigger, I put a meter on them. I don't recall the voltage being 12v when it triggers
[23:21:01] <pcw_home> NPN proxes dont output a voltage
[23:21:34] <trentster> What do they output then?
[23:21:37] <pcw_home> the just short their outputs to ground when triggered
[23:21:52] <pcw_home> just a switch to ground
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[23:22:02] <trentster> ok. So if thats the case how do we use them with opto inputs?
[23:22:18] <pcw_home> which is what the el-cheapo 5 axis bobs expect
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[23:22:42] <pcw_home> connect IN+ to 5V and IN- to prox out
[23:23:18] <pink_vampire> trentster: can you take a picture of the sensor?
[23:23:33] <trentster> pcw_home: Ok that makes sense.
[23:23:45] <trentster> Yeah, let me grab a pic.. 1sec
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[23:25:18] <trentster> pcw_home: This is them: https://us.banggood.com
[23:25:21] <pcw_home> this is what the cheap 5 axis BOBs do: OPTO + common to 12V through resistors, individual OPTO- to inputs, so ground to activate
[23:25:26] <pink_vampire> [23:03:47] <trentster> They give you high or 0 voltage when they trigger, depending if they are NC or NO
[23:25:47] <pcw_home> not high, just open or 0
[23:26:09] <pcw_home> just a switch to ground
[23:28:20] <pink_vampire> pcw_home: so he need to supply voltage (+5V) via resistor to the to + in the input and go true the switch?
[23:28:39] <pcw_home> Yes
[23:29:05] <pcw_home> ( no resistor needed for 5V though )
[23:29:55] <pink_vampire> i will put 100 -330 ohm just to be on the safe side
[23:30:05] <pcw_home> ( BOB has 470 Ohm built in for 5V need to add external resistor for > 5V )
[23:30:58] <pcw_home> (manual page 20)
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[23:31:51] <pink_vampire> ok, so if they have one, yeah ,here is no reason to add external one
[23:32:36] <pink_vampire> I'm not in front of the pdf, i just say in general
[23:34:50] <trentster> ok, so just to be clear. the prox is wired to 12V and the the black wire (that carries the trigger voltage) I connect to a resistor and plug that into the octo input port?
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[23:35:46] <trentster> I will go and check the voltage and then select an appropriate resistor. I think I may have blown one of the ports already, as I think I tried to test direct
[23:36:09] <pink_vampire> trentster: connect a multimeter instead of the BOB input, and see that you read voltage first
[23:36:16] <trentster> btw thanks a ton for your help guys! - much appreciated.
[23:37:25] <pink_vampire> I'm re-wire my machine, I know how hard it is to be without your cnc machine up and running
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[23:42:40] <pcw_home> The PROX output will not blow the input up, its just a switch to ground
[23:43:01] <trentster> pink_vampire: Yeah it sucks. Especially when you have had a config just right for years. The machine has been flawless
[23:43:33] <trentster> pcw_home: thanks. Is my question above incorrect then about the wiring?
[23:46:17] <pcw_home> If its a 3 wire prox, PROX power goes to 12V, PROX ground to BOB ground out to BOB IN- BOB IN+ to 5V
[23:47:09] <pcw_home> PROX out to BOB -IN, BOB +IN to +5V
[23:47:27] <pink_vampire> trentster: maybe it will be easyer for you just simulate it with LED and 330 resistor just to understand the wiring
[23:48:16] <trentster> Yeah. I am going to check the voltage now.
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[23:48:57] <pink_vampire> dont risk the BOB if you are not 100% sure
[23:49:12] <trentster> I won't. ;-)
[23:49:36] <trentster> Altho this is prob too late, vause I played around a bunch the other day without a resistor.
[23:49:46] <pink_vampire> 50$ for BOB it is almost half a mesa card
[23:49:46] <trentster> So who knows what I have done!
[23:50:01] <trentster> $50 AUD
[23:50:30] <pink_vampire> ok.. $35
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[23:59:14] <trentster> Ok, the voltage coming back is 12.1V
[23:59:55] <pink_vampire> you need a resistor