#linuxcnc | Logs for 2014-06-17

[00:07:40] <Valen> ey PCW / pcw_home you about?
[01:57:19] <Deejay> moin
[05:55:03] <Deejay> re
[07:27:14] <Jymmm> Mornin Folks
[07:28:34] <SpeedEvil> Morning
[07:46:56] <jthornton> morning
[07:47:08] <XXCoder1> morning
[07:48:41] <Jymmm> I got my replacement laser tube yesterday =)
[07:48:57] <XXCoder1> did yu go for chinese one or?
[07:49:35] <Jymmm> I replaced the the laser cartridge in my existing laser.
[07:50:05] <Jymmm> cartrudge = tube+RF Exciter
[07:50:42] <Jymmm> I even cut a square in 1/4" wood =)
[07:53:11] <Jymmm> But I'll be damn if I could cut a hole in 1/8" partical board. Too much glue and fibers in it.
[07:53:31] <Jymmm> I was burning, not cutting it.
[08:01:19] <skunkworks> Jymmm, how many watts?
[08:01:31] <Jymmm> skunkworks: 30W CO2
[08:01:50] <skunkworks> what is the focal length of the lense?
[08:02:01] <Jymmm> Well, the calibration sheet shows it's firing at 32W avg
[08:02:08] <Jymmm> 2"
[08:02:36] <skunkworks> I supposed you have tired moving the focal point around?
[08:02:44] <skunkworks> do you have a longer focal length lense?
[08:03:19] <Jymmm> skunkworks: It's the glue and fibers in the partical board that are the issue.
[08:03:42] <Jymmm> I tossed on a piece of 1/4" solid wood and cut a hole no problem.
[08:03:49] <skunkworks> ah
[08:04:20] <_methods> all those gaps and glue in particle board will be hell
[08:04:28] <_methods> play hell on the beam
[08:04:38] <Jymmm> corrigated cardboard can be the same way, but since that's hallow, you can just focus 50% into the material and it'll cut just fine.
[08:04:52] <Jymmm> hollow*
[08:04:56] <_methods> yeah you might try focusing lower like cardboard
[08:05:01] <_methods> but still that damn resin
[08:05:35] <Jymmm> It was just a piece of scrap I was using for testing, not that I cut that material normally.
[08:06:08] <Jymmm> I just wasn't going to sign the invoice till I saw the new tube do something =)
[08:06:33] <Jymmm> The local rep brought it out.
[08:08:25] <_methods> i don't blame ya
[08:08:27] <skunkworks> Jymmm, did you have many hours on the previous laser?
[08:08:34] <_methods> how much was that tube $800?
[08:08:34] <skunkworks> *tube
[08:09:16] <Jymmm> skunkworks: 105,120 Hours (It was 12yo per the mfg date. It lived a good life)
[08:09:53] <skunkworks> wow
[08:10:04] <Jymmm> _methods: $1200 with tax and shipping both way (exchange).
[08:10:31] <kengu> glue mostly
[08:10:41] <Jymmm> skunkworks: Well, I don't know about the hurs on it, it was 12yo though
[08:13:02] <Jymmm> I do have an 120VAC hour meter here, so since I have a new tube, I can let the meter run when the machine is powered on, won't give the tube runtime, but a good estimate at least.
[08:14:44] <Jymmm> I think I scared the rep when I said i was pissed at the partical board and started ripping it into piece and tossing in the trashcan. lol
[08:15:08] <miss0r> I started a milling program yesterday at around 21:00. it is now 15:00 and I am almost half way done. horrible
[08:15:56] <Jymmm> We had worked on that for a long time, even was at 100% Pwr, 0.2% Speed, 1000 PPI and it still wouldn't cut in one pass.
[08:17:00] <Jymmm> miss0r: only 18 hours more to go!
[08:18:41] <miss0r> yeah. I hope it turns out okay... I am doing a brass plate as a diploma for a friend of mine who will get her real education diploma this friday. I am using an engraving needle, and since I cannot manage to get it completely leveled, I have to go to a depth of 0.1mm with a 0.01mm cut each time.
[08:19:27] <miss0r> It is taking a hellowa time
[08:20:13] <Jymmm> 8" x 10" ?
[08:20:34] <miss0r> no :) 8 x 120 mm
[08:20:41] <miss0r> lol... 80 x 120mm
[08:20:59] <Jymmm> WTH?!
[08:21:14] <miss0r> The problem is the plate is only 1mm thick, so even with double sided tape, I can't get it properly leveled
[08:21:17] <miss0r> WTF what ?
[08:21:47] <Jymmm> 36 hours for 12 sq inches?!
[08:22:04] <Jymmm> I'm assuming you meant 80x120 not 8x120
[08:22:33] <miss0r> indeed. The needles are way too thin for this job, and my spindles only able to reach 8k rpm. so I have to take it quite slow
[08:23:44] <Jymmm> You know you could electro-etch it in 15 minutes =)
[08:24:02] <archivist> will the job pay for the power used to cut it
[08:24:09] <miss0r> could've would've should've :-P This is way more fun to do some stuff on my new mill
[08:24:38] <Jymmm> miss0r: http://www.instructables.com/id/How-To-Electro-Etch-a-Solid-Metal-Plaque/
[08:24:40] <miss0r> archivist: as I am currently doing it for 0 and power =! 0, no :)
[08:25:45] <archivist> I spent best part of two hours scanning manuals for somebody £15 donation, so I am happy today
[08:26:38] <Jymmm> Ya heard it folks, archivist works for peanuts!
[08:27:16] <miss0r> great. 'peanuts' is exactly what I am offering for a cleaning'lady'
[08:27:25] <Jymmm> archivist: did you build a auto page turner yet?
[08:27:39] <archivist> no
[08:28:10] <archivist> page turners cannot deal with foldout diagrams
[08:28:20] <Jymmm> ah
[08:29:05] <miss0r> Challange accepted.
[08:29:33] <miss0r> a camera controlled robot, with a build-in alghorithm to detect paper folds.
[08:29:45] <archivist> I wish for better image stitching too
[08:32:15] <miss0r> I wish for a pizza right about now
[08:40:58] <Jymmm> miss0r: M-Th carryout special $8 https://order.dominos.com/en/
[08:42:09] <miss0r> yeah... i'm not exactly within the reach of dominos ;)
[08:42:12] <Jymmm> They have really improved, used to be crap.
[08:42:23] <miss0r> the nearest dominos are something like 40 miles away
[08:42:54] <miss0r> i'll bey you the pizza would be cold before it got here, especialy considering the domino delevery in Denmark is done on scooter :)
[08:42:58] <Jymmm> miss0r: send yout lcnc controled quadcopter to pick it up
[08:43:31] <miss0r> that would be sweet. no question about it.
[08:43:42] <Jymmm> Amazon is doing it
[08:43:58] <miss0r> But, however, if I am too lazy to go get a pizza I think I shouldn't eat one ;)
[08:44:23] <Jymmm> miss0r: 30 minute delivery http://www.extremetech.com/extreme/171879-amazon-unveils-30-minute-prime-air-quadcopter-delivery-service-but-its-completely-impractical
[08:45:05] <_methods> http://www.iflscience.com/technology/new-type-computer-capable-calculating-640tbs-data-one-billionth-second-could
[08:45:08] <miss0r> Wasn't that a hoax?
[08:45:21] <miss0r> the amazon stuff
[08:46:07] <Jymmm> miss0r: http://www.amazon.com/b?node=8037720011
[08:47:00] <miss0r> well, there you have it :)
[08:47:15] <miss0r> meh. I have to find something to eat and get gone. see you
[08:47:25] <cpresser> a amazon packet.. and a free quadcopter. nice!
[08:47:55] <Jymmm> heh
[08:50:22] <cpresser> honestly, how are they going to prevent me from stealing copters?
[08:52:05] <Jymmm> cpresser: Bill your CC?
[08:52:11] <Jymmm> cpresser: They know where you live =)
[08:52:41] <cpresser> but they cant prove that I stole that copter
[08:52:53] <Jymmm> if they have camera on it they could
[08:53:58] <Jymmm> And most are using quads for aireal photography anyway
[09:25:48] <jthornton> Jymmm, you have a photo of your new laser?
[11:10:03] <Gigs-> so is there a downside to lathe holders that take replacable inserts vs the brazed on carbide kind?
[11:10:43] <archivist> the cost, the upsides are many
[11:11:53] <archivist> tool geometry is right every time, no need to grind etc
[11:14:56] <Gigs-> I feel dumb but I just realized yesterday that threads are 60 degrees and carbide triangles are equilateral
[11:15:17] <Gigs-> after carefully grinding thread tools for this long I feel a little silly
[11:15:38] <archivist> get thread shaped inserts, you get the right radius on the tip then
[11:15:40] <syyl_ws> i threw most of my indexable insert tools away
[11:15:53] <syyl_ws> back to grinding highspeed and solid carbide tooling
[11:16:13] <Gigs-> archivist thanks for the tip (pun)
[11:16:18] <archivist> I grind hss for my tiny stuff
[11:16:28] <Gigs-> syyl_ws: what reason?
[11:16:39] <syyl_ws> got a pretty small lathe, a 9x20
[11:16:52] <Gigs-> ah yeah I could see that, you need some torque and stiffness
[11:16:58] <archivist> inserts can need more power
[11:17:04] <syyl_ws> and i can take way heavier cuts with highspeeds/brazed/solid carbide
[11:17:20] <Gigs-> I know even on the little south bend even brazed carbide was a lot less fun compared to HSS
[11:17:34] <Gigs-> we are tossing the south bend against my advice :(
[11:17:47] <archivist> often home user cannot get a good edge on brazed
[11:17:54] <syyl_ws> i kinda like the brazed
[11:18:02] <syyl_ws> since i have a finde diamond wheel ;)
[11:18:09] <syyl_ws> *fine
[11:18:09] <archivist> never toss a southbend
[11:18:13] <Gigs-> my dad has one wheel on the grinder set up just for carbide but it gets loaded from grinding the HSS section of brazed ones easily
[11:18:22] <Gigs-> my dad couldn't settle the dispute with his buddy archivist
[11:18:34] <Gigs-> so the enco, the south bend, and the XLO knee are going out the door :(
[11:18:38] <archivist> jump in with your own offer :)
[11:18:42] <syyl_ws> the green silicon carbide wheels for carbide are a horrible pain ;)
[11:18:45] <Gigs-> he would never forgive me
[11:18:50] <archivist> aw
[11:19:07] <Gigs-> on the plus side he ordered a taiwan lathe to replace it on my recommendation
[11:19:08] <syyl_ws> break down in seconds, make a mess, hold no corner, ...
[11:19:19] <Gigs-> a PM 1340GT
[11:19:54] <Gigs-> precision mathews ... it looks like the same taiwan factory they all come out of pretty much
[11:20:24] <Gigs-> I saw some pretty good reviews for them in terms of QC so we'll see how it goes
[11:21:12] <Gigs-> still haven't decided on what to do for a new knee mill... but for whatever reason it seems that knee mills are less critical/expensive
[11:22:03] <syyl_ws> is knee mill another term for bridgeportknockoff?
[11:22:06] <Gigs-> yeah
[11:22:30] <Gigs-> vertical mill with a table that goes up and down, generally the bigger guys
[11:22:42] <Gigs-> freestanding
[11:23:02] <syyl_ws> uncommon here in europe ;)
[11:23:10] <Gigs-> what do you all have?
[11:23:12] <syyl_ws> we have the deckel style mills
[11:23:14] <Gigs-> oh
[11:23:32] <Connor> Gigs-: Who is your dad? He come onto IRC too ?
[11:23:42] <syyl_ws> table gives x/z movement, the ram gives y
[11:24:02] <Gigs-> heh no connor he's like 80
[11:24:09] <Connor> Ah
[11:24:14] <Gigs-> he had his journeyman card back in the 60s
[11:24:29] <Gigs-> now he just does light gunsmithing stuff
[11:24:37] <Gigs-> and helps me out with my business
[11:25:30] <Gigs-> syyl_ws: really??
[11:25:45] <Gigs-> the head moves forward and back?
[11:26:12] <Gigs-> oh I see it there, the crank on the back of the head
[11:26:18] <Gigs-> never seen one of those in operation
[11:27:14] <Gigs-> seems like it would be hard to "rough diagonal" that I sometimes do, jogging the x and y at the same time
[11:27:32] <syyl_ws_> oh easy
[11:27:39] <syyl_ws_> kick in x and y feed the same time
[11:27:43] <syyl_ws_> presto, 45° :D
[11:27:54] <Gigs-> oh see the XLO I use has REALLY REALLY slow feeds
[11:28:01] <Gigs-> like, set it and forget it
[11:28:05] <Gigs-> come back in a few hours
[11:28:12] <syyl_ws_> http://www.practicalmachinist.com/vb/attachments/f14/16749d1256823788-deckel-fp3-missing-tnc-control-deckle-dk.jpg
[11:28:19] <Gigs-> so we almost never use the feeds
[11:28:22] <syyl_ws_> thats a mid size deckel
[11:28:25] <Gigs-> except Z feed for boring
[11:28:38] <syyl_ws_> no rapid feed?
[11:28:42] <Gigs-> nope
[11:28:46] <syyl_ws_> uh
[11:28:52] <Gigs-> I think the fastest feed is 0.0006 per rev or something
[11:29:02] <syyl_ws_> hate it when a conventional mill has no rapid ;)
[11:29:13] <syyl_ws_> the deckels run about 1...2000mm/min in rapid
[11:29:25] <syyl_ws_> and up to 400mm/min in normal feed
[11:29:30] <archivist> there was a deckel listed yesterday, claimed to have a hobbing spindle fleabay 141321364586
[11:29:39] <Gigs-> yeah the xlo only has three speeds for the feed, pretty basic
[11:30:14] <Gigs-> because the feed is per rev I guess if you cranked the RPM way up it would be faster
[11:30:36] <Gigs-> but XLOs cry at high speed, they always sound like they are going to fall apart
[11:30:41] <Gigs-> apparently that's normal
[11:30:57] <Gigs-> something about the CVT transmission design
[11:31:12] <syyl_ws_> i think he means the horzontal arbor attachement, archivist
[11:31:19] <archivist> I know
[11:31:25] <syyl_ws_> there is no thing like a hobbing bla for those ;)
[11:31:36] <syyl_ws_> but it has the broaching head
[11:31:40] <syyl_ws_> nice thing to have :D
[11:31:43] <archivist> I thought hobbing was not possible on them :)
[11:31:54] <Gigs-> a rotary broach really?
[11:32:07] <Gigs-> that would be amazing to have
[11:32:07] <archivist> some idiots dont realise gear milling is not hobbing
[11:32:12] <syyl_ws_> not rotary
[11:32:18] <syyl_ws_> just linear motion
[11:32:21] <syyl_ws_> like a shaper
[11:32:24] <Gigs-> oh
[11:32:32] <syyl_ws_> for keyways and internal corners
[11:32:46] <syyl_ws_> or to scare novices in the shop ;)
[11:32:50] <Gigs-> I've always dreamed of having one of those eccentric rotary broach setups, they are so neat... drilling square holes even blind
[11:33:11] <syyl_ws_> i think edm is the way to go today...
[11:33:27] <syyl_ws_> for one offs
[11:33:48] <archivist> nah, fly press and grunt a square hole
[11:34:14] <syyl_ws_> :D
[11:34:18] <archivist> we used to make clock keys on a flypress, boring
[11:36:00] <syyl_ws_> :D
[11:36:56] <syyl_ws_> bbq time
[11:36:59] <syyl_ws_> ahoi!
[11:37:48] <Gigs-> this is an arbor setup like you all were talking about right http://www.model-engineer.co.uk/sites/7/images/member_albums/71654/381211.jpg
[11:38:02] <Gigs-> how do they index in that setup?
[11:38:12] <Gigs-> oh nevermind I see the edge of the rotary table under there
[11:38:59] <archivist> yup, that is gear milling
[11:40:13] <CaptHindsight> that's the easy way, using a cutting tool with the exact profile of the tooth
[11:40:14] <Gigs-> so true hobbing has synchronized drive for the workpiece as well?
[11:40:43] <archivist> yes the spindle is geared to the rotary
[11:41:02] <Gigs-> cool... just making sure I understood the distinction
[11:41:25] * SpeedEvil supposes you could broach a gear in one pass.
[11:41:30] <archivist> so the hob looks like http://gears.archivist.info/P9190303.JPG
[11:41:37] <SpeedEvil> But the tool would be ridiculous
[11:41:42] <SpeedEvil> and so would the forces
[11:41:47] <archivist> left, blank is right
[11:42:50] <archivist> that is producing a qty of clock form gears that can be parted off
[11:43:04] <Gigs-> SpeedEvil: when the machine starts actually bouncing off the floor you know you went too far :P
[11:43:35] <SpeedEvil> :)
[11:43:59] <archivist> people do broach stuff but the forces are silly and tooling costs match
[11:44:01] <Gigs-> on the plus side with getting rid of all our current machines, we can replace them with single phase
[11:44:29] <skunkworks> archivist: you are using it for production? cool!
[11:44:48] <Gigs-> the shop is on a demand meter and just starting the phase converter once makes my electric bill $20 higher for the month
[11:44:58] <archivist> skunkworks, that was at the last job, didnt get that machine....grrrrr
[11:45:09] <skunkworks> oh - darn
[11:45:20] <Gigs-> those must have been some expensive clocks archivist
[11:45:21] <skunkworks> Gigs-, need a soft start...
[11:45:43] <Gigs-> skunkworks demand meter is a 15 minute time average anyway but the idler motor is like 6 or 8 HP
[11:45:49] <archivist> skunkworks, but soon will be doing it with linuxcnc
[11:45:59] <skunkworks> nice
[11:46:05] <skunkworks> peak meter
[11:46:26] <Gigs-> technically the phase converter isn't actually using any power, but you know electric companies, they find a way to charge you for reactive power
[11:47:10] <Gigs-> it does get pretty warm so I guess it does burn at least a few hundred watts in losses
[11:47:46] <archivist> a vfd is a better way to get three phase motor running
[11:48:14] <Gigs-> yeah I did suggest my dad order 3 phase stuff along with VFDs but not too much gain since all the newer machines have pretty nice built in transmissions
[11:49:35] <Gigs-> I have oriental motors for my automation stuff on VFDs.... I learned the hard way that 12/3 and 14/3 cable have 4 wires, but 16/3 cable.... has 3
[11:49:57] <Gigs-> oh well at least I only bought 50 feet of it and not a whole spool
[11:50:38] <Gigs-> I tried running them ungrounded for a while, until I got sick of getting shocked
[11:50:53] <Gigs-> now there's a 18 gauge wire taped to the 16/3 :P
[11:52:52] <Gigs-> I toured our R&D here at the print company and I was surprised to see they were using all oriental motors too.. that company is really making nice stuff and getting a lot of market share for fractional HP and gearheads
[11:53:32] <Gigs-> probably because bodine and the traditional US makers are impossible to deal with... you have to find a local distributor, and they don't stock shit... that is, even if they are willing to order the bodine motor you need
[11:53:45] <Gigs-> our local bodine distributor won't even deal in fractional HP motors
[11:53:48] <zeeshan-laptop> mm VFD
[11:53:53] <zeeshan-laptop> i live for VFD
[11:54:16] <Gigs-> it is very nice for the automation stuff to be able to tweak the speed at will
[11:54:39] <zeeshan-laptop> its not nice!
[11:54:42] <zeeshan-laptop> its almsot necessary!
[11:54:50] <Gigs-> I'm seeing a lot more tiny 3ph on VFD where in the past you might see brushless or steppers
[11:56:21] <Gigs-> yeah some of our conveyors here at work are on VFD and some you have to change out spur gears or pulleys... problems that are a major hassle can evaporate instantly on the VFD belts with a little tweak
[11:56:58] <Gigs-> we often wind up using the VFD belts to compensate for issues caused by the fixed speed belts
[11:57:47] <zeeshan-laptop> what are vfd belts?
[11:57:57] <Gigs-> sorry, vfd drive conveyor belts
[11:58:24] <zeeshan-laptop> ah
[11:58:49] <Gigs-> some of our older belts have fixed induction motors are often require a new spur gear to change their speed
[11:59:05] <Gigs-> or at best a sprocket change
[12:12:39] <IchGuckLive> hi all B)
[12:13:51] <IchGuckLive> today a very nice day in germany
[12:28:20] <tjtr33> tjb1, did you find a cheaper plc?
[12:28:41] <tjtr33> maybe try running ClassicLadder standlaone? http://en.it-usenet.org/thread/18400/14843/#post14914
[12:29:16] <tjtr33> i just ran it standalone, but have no devices connected to test. a cheap pc and a parport could do as much as AD units
[12:44:40] <IchGuckLive> there are lo many cheep and still good s5 on ebay or simalar types on 32IO
[13:01:26] <tjtr33> thx Ich
[13:01:29] <tjtr33> bye fornow
[13:25:37] <Loetmichel> IchGuckLive: s5 is from siemens_> no go ;-)
[13:26:04] <IchGuckLive> stand alone
[13:26:09] <Loetmichel> "do you want something decent or can it be something from siemens?"
[13:26:47] <IchGuckLive> i worked 23 years at siemens
[13:33:50] <IchGuckLive> thanks cradek for updating linuxcnc.org download !
[13:34:14] <IchGuckLive> im off for today BYE
[13:34:18] <kfoltman> hi IchGuckLive
[13:36:36] <Jymmm> jthornton: This is my machine, the cartridge I dont have a pic of yet http://www.assuredlaser.com/english/laser_systems/product_line/m300.html
[13:38:05] <Jymmm> jthornton: looks like the boxes sitting on the floor here http://www.assuredlaser.com/english/laser_systems/product_line/quickchange.html
[15:04:17] <JT-Shop> got a photo of your machine?
[15:28:46] <Jymmm> JT-Shop: Me? The first link... http://www.assuredlaser.com/english/laser_systems/product_line/m300.html
[15:29:13] <Tom_itx> is that your very one?
[15:29:42] <Jymmm> as opposed to?
[15:30:08] <Tom_itx> we need to see it in place so we can see the cannons etc in the background you're hiding :)
[15:30:35] <Jymmm> Tom_itx: JT-Shop has the cannons, not me
[15:30:47] <Tom_itx> so what DO you have then?
[15:31:06] <Jymmm> Tom_itx: sharks with frickin lasers =)
[15:32:44] <Jymmm> Tom_itx: and a mini phalanx =)
[15:34:16] <Tom_itx> pics or it never happened is what i say
[15:34:21] <Loetmichel> *whiiiiiiRRRRRRRRRRRRRRRRRRR PRRR PRRR wiiiuuuuuu*
[15:34:22] <Loetmichel> ;-)
[15:35:04] <Jymmm> laser carteidge http://www.tux-lab.com/assets/gallery_image/49/small/uls_m300_laser_cartridge.jpg?1307961302
[15:35:33] <Jymmm> the whole machine http://www.cuttingmachinerylocator.com/photos/m300.gif
[15:36:19] <Tom_itx> did you get a new 40w laser?
[15:36:38] <Jymmm> No, just replaced my existing 30W
[15:36:50] <Tom_itx> oh i thought it was 40w
[15:37:10] <Jymmm> the machines is fine, I just needed a new tube (cartridge).
[15:37:30] <Tom_itx> i know
[16:52:18] * Jymmm pokes cradek with a __________ !
[17:08:19] <Deejay> gn8
[17:10:42] <Jymmm> DN9
[18:27:03] <LeelooMinai> Anyone familiar with linuxcnc HAL Oscilloscope details?
[18:28:07] <LeelooMinai> In particular, the first thing I wonder about is how does it exactly get the voltage it displays?
[18:40:39] <PCW> its not going to be able to read voltage unless you have a A-D of some kind
[18:41:20] <LeelooMinai> Right, it just looked weird it was showing something at 1V
[18:44:22] <LeelooMinai> Hmm, cannot get my stepper to move.
[18:47:01] <LeelooMinai> I have DB25-1205 BOB and I looked at the circuit board to draw schematic of the outputs. I believe I have it wired correctly to the DQ542MA driver. I also checked parallel port. All seems fine. The driver holds the steper when on, but when I do maual control in linuxcnc and try to move a bit, the stepper is not moving.
[18:47:41] * LeelooMinai scratches the head
[18:48:14] <LeelooMinai> Maybe I will bring the scope close and look if the driver gets sane pulses on the PUL inputs.
[18:49:50] <zeeshan|2> LeelooMinai: did you fix the ms issue
[18:49:52] <zeeshan|2> yesterday
[18:49:56] <zeeshan|2> where you couldnt change the timing in stepconf?
[18:50:53] <LeelooMinai> I edit the conf file by hand
[18:51:02] <zeeshan|2> okay
[18:51:05] <LeelooMinai> Gave up on the "qizard"
[18:51:09] <zeeshan|2> hehe
[18:51:12] <LeelooMinai> wizard
[18:51:18] <zeeshan|2> when you say you checked your parallel port
[18:51:27] <zeeshan|2> did you energize an output in HAL
[18:51:32] <zeeshan|2> and see if the voltage changed?
[18:52:02] <zeeshan|2> while having your voltmeter connected between ground and that pin?
[18:52:02] <LeelooMinai> Yes, I played with the parallel port hal utility and signaling seems fine - goes through the BOB
[18:52:11] <zeeshan|2> did you check each pin?
[18:52:13] <zeeshan|2> or just a couple
[18:52:20] <LeelooMinai> I will now see with the scope if the pulses are sent
[18:52:21] <zeeshan|2> they were going from 3.3 or 5V to 0
[18:52:27] <zeeshan|2> or 0 to 3.3V or 5V?
[18:53:49] <LeelooMinai> I RE the BOB a bit and the output ports are optos with the outpub BJT having the emiter on the ground and the collector going to VDD through a 1kΩ resistor - this is nowhere documented of course.
[18:54:52] <LeelooMinai> Also, when you send ON to the parallel port pin, the opto actually goes off... It was confusing as hell before I just sat and drew this out.
[18:55:15] <LeelooMinai> And there's zero schematic on net for this BOB
[18:55:42] <zeeshan|2> that doesnt matter
[18:55:48] <zeeshan|2> at least for outputs
[18:55:53] <zeeshan|2> all you gotta do is invert the signal in hal.
[18:56:35] <LeelooMinai> I know I can do that - just saying, that nowhere they draw how those outputs look with that 1kΩ there
[18:57:29] <LeelooMinai> So if you try to sink current from it for another opto, well, the resistor will limit it
[18:58:51] <zeeshan|2> i dont know electronics
[18:58:57] <zeeshan|2> i know simple test methods to check if something is working or not :P
[18:59:07] <zeeshan|2> the first thing i did when my parallel port wasn't working
[18:59:14] <zeeshan|2> was check each pin.
[18:59:24] <zeeshan|2> after i got the parallel port working (was a driver issue)
[18:59:30] <zeeshan|2> i checked the port again
[18:59:42] <zeeshan|2> some of the pins would energize at will. no matter what i did
[18:59:48] <zeeshan|2> found out the parallel port address was wrong
[18:59:57] <zeeshan|2> after i fixed both issues, everything worked as commanded
[19:02:07] <LeelooMinai> Yes, I guess my setup is not straightforward. I know electronics, and had hard time with it due to no docs.
[19:04:24] <LeelooMinai> Right, no pulses out
[19:18:40] <maZer`-> hi all :)
[19:22:03] <maZer`-> i have a small switch installed to probe the length of the tool. Is there some finished function from linuxcnc that will drive to z- until a switch is pressed?
[19:23:46] <cpresser> maZer`-: yes
[19:24:15] <cpresser> maZer`-: G38 if i am not mistaken
[19:25:04] <maZer`-> oh big thx
[19:25:14] <maZer`-> in the same moment i just read the g-code reference and find this ;D
[19:25:38] <maZer`-> G38.2 - probe toward workpiece, stop on contact, signal error if failure
[19:26:12] <maZer`-> does i understand it right
[19:26:13] <maZer`-> if i use
[19:26:23] <maZer`-> g38.2 z10
[19:26:40] <maZer`-> does it means that if he stop on contact he sets z to 10 ? :)
[19:28:08] <maZer`-> ahh no i found! :D
[19:28:31] <maZer`-> sorry
[19:31:09] <LeelooMinai> Hmm, strange - I tested P4 (that's my ystep pin), works fine, but when I do manual control and +5mm, the signal is not send to that pin.
[19:31:33] <LeelooMinai> But the signal is wired into it: http://i.imgur.com/rZwwmrt.png
[19:33:11] <LeelooMinai> Same with both False and True for invert
[19:34:14] <LeelooMinai> I have a scope on that pin and if I use this app: http://i.imgur.com/puNSGCG.png
[19:34:20] <LeelooMinai> It sends pulse fine
[19:37:29] <LeelooMinai> Ok, I used the HAL Scope thing too and it shows the ystep signals there...
[19:37:31] <LeelooMinai> Any ideas?
[19:38:36] <LeelooMinai> I tested the port, hardware, see signals, even see them in the software scope, can send pulses using port app, but the pulses are not send from linuxcnc
[20:48:16] <LeelooMinai> Finally sorted it out - thx for the help
[20:53:09] <jdh> glad to help
[20:59:11] <skunkworks_> heh
[21:09:09] <XXCoder1> heyall