#linuxcnc Logs

Oct 30 2018

#linuxcnc Calendar

12:10 AM CaptHindsight: Tom_L: I think it was all taken down by his nephew
12:13 AM CaptHindsight: or maybe grandson
12:13 AM CaptHindsight: Tom_L: maybe they might know: https://forum.freecadweb.org/viewtopic.php?t=29763
12:16 AM CaptHindsight: https://www.bountysource.com/issues/60045799-path-dressuptrochoidalprofiling
12:47 AM CaptHindsight: https://www.youtube.com/watch?v=0BTjoZlZPnY soon to be LCNC controlled
12:53 AM pink_vampire: i liked the E-stop
01:53 AM gloops: larger dovetail cutter should arrive today so ill get some toolpaths ready
01:54 AM gloops: if this succeeds ill be able to make perfect cnc dovetails, in about twice the time i could make them by hand
02:18 AM Loetmichel: mornin'. MAAAn is that *brrr* outside... just started the Omega after half a year of being parked and switched its parking spot with the BMW... in a tshirt... cooold and wet... time to don a hoodie or something in the morning ;)
02:53 AM gloops: yeah, a wise old woman on the street has been telling me we will pay for all the hot weather we had
03:06 AM Deejay: moin
04:07 AM {HD}: So now that I have a pyvcp button working how hard is it to add the same functionality to a physical button?
04:08 AM {HD}: I think I have parport 12 available to use.
04:14 AM {HD}: OMG did the app store remove the ability to see what the “in-app purcheses” were before downloading the app!?? I don’t see that line item any more.
04:36 AM gloops: lol! been messing about drawing dovetails for more than an hour, finally twigged what i was doing wrong....
04:53 AM jthornton: morning
04:56 AM jthornton: {HD}: do you want both the pyvcp button and the physical button to do the same thing?
05:26 AM Tom_L: morning
05:27 AM jthornton: morning
05:27 AM jthornton: I have a mouse hole someplace in the basement wall dammit
05:28 AM Tom_L: CaptHindsight, i did find this: https://www.freecadweb.org/wiki/Path_Workbench
05:28 AM Tom_L: might be it
05:30 AM Tom_L: 63F Hi 64
05:30 AM Tom_L: heh
05:30 AM Tom_L: tells me the wind will change out of the north today and get colder
05:30 AM jthornton: wow, we are 46°F to 79°F
05:31 AM Tom_L: Lo 46
05:31 AM jthornton: we get that tomorrow night
05:32 AM XXCoder: 49f to 53f here lol
05:32 AM XXCoder: highest of week 58f to 59f
05:33 AM XXCoder: that days raining also so it'll be nice and humid lol
05:33 AM XXCoder: this is season that forces calfornians to move away due to SAD
05:36 AM jthornton: I thought once you moved to california you could not leave
05:37 AM XXCoder: im not talking about people moving to calfornia lol
05:37 AM XXCoder: im talking about calfornians moving to washington then moving back or away
05:42 AM MarcelineVQ: you're allowed to leave, you're not allowed to leave unchanged.
05:44 AM jthornton: lol
05:44 AM XXCoder: I used to live at calfornia
05:44 AM XXCoder: bicycled all over, and I had iron legs
05:44 AM XXCoder: probably bulletproof legs lol I was 12 yr old to 13
05:45 AM jthornton: I went to california once but managed to escape
05:45 AM XXCoder: I used old style bicycle and wen up 45 degree or worse hills all time
05:45 AM XXCoder: I converted it to "fixed gear" so it was tough
06:06 AM jthornton: I went to frisco once and it killed my legs walking up and down the hills
06:07 AM XXCoder: free exercise
06:07 AM XXCoder: no need to go in and get embarried exercising
06:07 AM jthornton: yea once you get used to it
06:14 AM Loetmichel: jthornton: i was raised in Wuppertal/germany
06:15 AM Loetmichel: thats a city that follows a canyon that the river "Wupper" carved thru the landscape. going ANYWHERE out of the city meant to ride up a steep hillside for about 800m height difference.
06:15 AM Loetmichel: some places even more
06:15 AM Loetmichel: that was quite the training for bicycle AND on foot ;)
06:17 AM XXCoder: nice
06:17 AM XXCoder: like a bowl eh heh
06:17 AM jthornton: I've been to a few places in Germany but not there :)
06:18 AM jthornton: the Schwebebahn looks interesting
06:18 AM Loetmichel: it is
06:18 AM Loetmichel: and very effective
06:18 AM XXCoder: https://www.youtube.com/watch?v=GZx-LJH5J_I lol
06:19 AM Loetmichel: runs along the city every 3 minutes
06:19 AM Loetmichel: but loud if you live at the river banks
06:20 AM jthornton: I went to the Mercedes-Benz Museum that was very interesting to see the old single cylinder car run by a guy almost as old as the car
06:23 AM Loetmichel: XXCoder: yes, like a 40++km long and 5km wide bowl
06:24 AM jthornton: XXCoder: my chicken door is working flawlessly and is opening/closing on time each day :)
06:24 AM XXCoder: lol loet. jt that is awesome!
06:25 AM jthornton: yea, now I trying to make a library for the digole LCD but have hit a wall... so out comes the grappling gear
07:06 AM XXCoder: guys with cncs - time to cnc craft your pumpin! lol
07:07 AM XXCoder: I'd love to try that. add probing to get contours then engrave
07:19 AM jthornton: sounds like a fun project\
07:20 AM XXCoder: yep. though its bit hard to design a probe that has clearance in my machine
07:20 AM XXCoder: it probably has to be mounted higher up
07:24 AM Loetmichel: XXCoder: needs a 5 axis CNC though
07:25 AM Loetmichel: and some creative clamping
07:25 AM Loetmichel: maybe low melting wax?
07:28 AM XXCoder: 5 axis why?
07:28 AM XXCoder: probing code simply warps engraving gcode
07:29 AM miss0r: ha! I just got 150m black and 150m red 2.5mm^2 silicon high flex wire handed to me :D
07:29 AM XXCoder: engraving is also quite very low sideload you could simply use straps or tape
07:30 AM miss0r: Two of these cable drums with banana plugs on either end for testing and measuering over long distances. I quoted them for a price for combining the two on a special mount a few months ago, and I just called them a few minuts ago to ask them what was up. and they told me that I had been too expensive, but for my time I could keep the drums free of charge :]
07:31 AM Jin^eLD: miss0r: how's your MAHO project coming along? my buddy had his first chips this weekend although he has still quite some work ahead of him till the project is complete
07:31 AM miss0r: I think these retail at around 700-800usd :D
07:32 AM XXCoder: dang
07:32 AM miss0r: Jin^eLD: I've been too busy lately, sadly. :)
07:32 AM XXCoder: and you have 2? whats you do with em
07:32 AM miss0r: The controller is assembled & I have linux CNC installed on it. It is sitting on my desk waiting to be programmed
07:32 AM XXCoder: something like http://www.tis-gdv.de/tis_e/verpack/verpackungshandbuch/bilder_vr/abb_113.jpg ?
07:33 AM miss0r: XXCoder: I don't know yet. I might keep one, I think. The other I will transform into some realy nice test leads, with wire clips on the end :)
07:33 AM miss0r: XXCoder: Slightly smaller :P
07:33 AM XXCoder: lol well off to bed I go
07:34 AM Jin^eLD: :)
07:35 AM miss0r: Jin^eLD: I think I'm a little stomped with a few things about doing this programming: One) I don't know where to start, and I haven't had the time to read up on it. two) I haven't had time :) three) I'm waiting for a new ballscrew I need to install on the maho before continueing(The y-axis needs to change the direction, as the current screw is a lefthand one, and I am replacing it with a right hand one. (I want
07:35 AM miss0r: the current controller to work with the machine before taking it down, should I need to replace it) four) I still need to figure out how to get the cables into the new controller..
07:36 AM miss0r: .. as they do not fit through the tube with the connectors still on there. So it was not as plug'n'play as I thought.
07:36 AM miss0r: sure, I could remove the plugs; but that would defeat the purpose of making it interchangeable with the old controller.. I'll need to mull this over a bit more
07:37 AM Jin^eLD: sounds like "a lot" to do... why do you need to replace the ballscrew?
07:38 AM Jin^eLD: oh so you want to keep the old controller permanently and have a re-pluggable option where you could plug in either linuxcnc or the original controller when needed?
07:38 AM miss0r: Too much slow in it. I reballed it, but it didn't quite do the trick.
07:38 AM Jin^eLD: I thought the old controller was just to test if everything worked and then it would be kicked out
07:38 AM miss0r: well.. not 'on the fly' as you make it sound :D but I will be keeping the old controller, should the new one fail for some reason
07:38 AM Jin^eLD: well, isn't "the new one" linuxcnc? :)
07:39 AM miss0r: yeah. but it is still stuffed with alot of different technology, some of which came from bulgaria...
07:39 AM Jin^eLD: oh? how did that happen? you're quite far away from .bg I think? :)
07:40 AM miss0r: but I *know* everything works. I have been using the maho for the past two years. if not three - it is part of my almost daily production
07:40 AM Jin^eLD: ah, I did not know that
07:40 AM Jin^eLD: I thought you got one and just started to retrofit
07:40 AM miss0r: I am in Denmark, so yeah, bulgaria is a bit far away. I needed these to use the linear scales on there: http://www.bulgarianindustry.bg/en/products?product=1978627491469053124
07:41 AM Jin^eLD: 200eur for such a small board...
07:41 AM miss0r: yeah...
07:42 AM miss0r: Jin^eLD: I think this is where I left it: https://imgur.com/a/5MQBJYP
07:43 AM Jin^eLD: does not look bad? tidy cabinet with a lot of stuff installed :)
07:44 AM miss0r: I would've loved to mave a bit more room, so I didn't look so stuffed and untidy :]
07:44 AM miss0r: but, on the other hand; I don't want to have a huge cabinet on the side of the cnc :)
07:44 AM Jin^eLD: in .at one guy is trying to sell one and a half MH600E's, but I think he's aiming for a too high price if I look at the photos https://www.willhaben.at/iad/kaufen-und-verkaufen/d/maho-mh600e-2-stueck-277111901/
07:45 AM miss0r: pretty expensive :)
07:46 AM Jin^eLD: on the MH400 my friend simply put everything inside the original cabinet, but then again I have no idea how it did look originally, so maybe he only had the space because he through out the original controller which was anyway broken
07:46 AM Jin^eLD: yeah, too expensive I think :)
07:46 AM Jin^eLD: I doubt anyone will buy it for this price :)
07:46 AM miss0r: The original controller is inside the panel
07:46 AM miss0r: the HMI panel.
07:47 AM miss0r: but theres alot of unused space in my cabinet as well.
07:48 AM miss0r: The reason I put everything into my HMI panel, is because it was there in the original one. I've build it to be swappable with the original - I even reused the sub-d's setup.
07:48 AM miss0r: Quite a hassle.
07:48 AM Jin^eLD: https://www.youtube.com/watch?v=Y7B5QwEkGug
07:48 AM Jin^eLD: that's how he did it
07:50 AM Jin^eLD: I think this swappable requirement causes a lot more work
07:50 AM Jin^eLD: but I understand that you don't want to dump the original stuff if you know it was working fine
07:50 AM miss0r: That controller there is looking pretty nice :]
07:51 AM miss0r: I'm not sure its alot more work, to be honnest. I just need to tie into the original wires.
07:52 AM Jin^eLD: he promised to replace the blue buttons with something nicer-looking ;) it's not finished yet
07:52 AM Jin^eLD: the case for the LCD and the buttons etc is lasered and welded
07:52 AM Jin^eLD: luckily I know a company who lasers stuff here in my area at quite low prices
07:53 AM miss0r: sweet. I had to go with a ready made cabinet, to keep prices at a reasonable level
07:54 AM Jin^eLD: so I take it, its quite expensive in your area? I'm really happy I have this possibility here, I use it a lot for various things and since its in my city there's no shipping involved
07:55 AM Jin^eLD: I rather struggle with other things - for instasnce: finding drops :P
07:55 AM miss0r: Well. I know a few places that does laser cutting, welding & bending ect. But for some reason everyone are crazy busy as of late. So, if I wanted to get anything done, I would have to go through the regular channels, and just pay up.
07:57 AM Jin^eLD: they need about a week to complete the order but they will do anything, like one 50 cents piece or whatever, they dont seem to care although it does get cheaper if you order more, but since its usually just for myself mostly have 1-piece special stuff :)
07:58 AM miss0r: That sounds like a nice place to live by. I wish I had that for a neighbour :)
07:59 AM Jin^eLD: actually picked some stuff up today, 5mm thick 180x30mm (supposed to become a handle) with some square and round holes - EUR1,50
08:01 AM Jin^eLD: well, if you have someone travelling back and fourth via Bratislava on a regular basis I can surely arrange some cheap cuts for you :)
08:05 AM miss0r: That'd be very nice :) But I don't realy know anyone going that direction :)
08:05 AM miss0r: I have to get a move on. A client just called me with a boring mill not working - I need to get a move on. See you around
08:06 AM Jin^eLD: l8r
08:33 AM jesseg: Does anyone know about these DRO linear scales all over ebay from China? Specifically wondering if they are reasonably durable. I've never used a glass scale before so I don't know what kind of resistance they have to oil and dust or slight misalignment between the two moving parts
08:34 AM jesseg: also curious what sort of output signal they have -- if it's regular quadrature?
09:26 AM cradek: jesseg: I have heard that some have very low update rates, a few times a second, and so they are not usable for cnc but fine for eyeballs
09:37 AM skunkworks: plus for cnc applications you probably need 10X the resolution they are..
10:02 AM {HD}: jthornton: yes. I want the physical button and pyvcp button to do the same thing.
10:09 AM JT-Shop: {HD}: then you just need to or the inputs
10:10 AM JT-Shop: http://linuxcnc.org/docs/2.7/html/man/man9/or2.9.html
10:10 AM jesseg: cradek, interesting.... low update rate must mean they are not quad signals
10:13 AM pcw_home: can you post a link to the scales you are talking about? i think any scale that outputs quadrature would be real time (calipers use a slow serial protocol)
10:53 AM jesseg: pcw_home, like these: https://www.ebay.com/itm/3-Axis-Digital-Readout-DRO-W-High-Precision-Linear-Scale-Encoder-Milling-Lathe/202326919854
10:54 AM jesseg: skunkworks, they generally claim 0.005mm resolution (and equal repeatability LOL)
10:59 AM jesseg: I suppose if the 0.005mm was their actual grating resolution (i.e. non interpolated resolution) then repeatability would essentially equal resolution
11:02 AM {HD}: JT-Shop: interesting so you are making a calculated pin. That seems like something I might be able to figure out.
11:08 AM jesseg: do you guys ever set up your DRO so it sums the knee and the quill to read it out as a single Z axis?
11:20 AM rmu: jesseg: i have some "sino" branded glass scales
11:20 AM rmu: jesseg: the controller is crap, very strange design, and didn't last very long
11:21 AM rmu: jesseg: started to count randomly even with no scale plugged in
11:21 AM rmu: signal seems to be RS422 comaptible quadrature and index
11:26 AM jesseg: rmu, interesting. So I might be best off making my own readout
11:26 AM jesseg: and just getting the scales
11:30 AM rmu: my readout looks different, but it is obviously crap. the scales work with the mesa 7i48
12:25 PM gloops: the thing with having a bucketful of potentially useful random nuts and bolts a) you have to tip the lot out to find anything b) they never get put straight back in the bucket
12:41 PM FinboySlick: CaptHindsight: You know printers, right?
12:51 PM Blumax: Hello
12:52 PM Blumax: But i have "parameter or pin 'gladevcp.status' not found" :(
12:53 PM Blumax: Should I add an code somewhere ?
12:58 PM CaptHindsight: FinboySlick: printer stuff
12:59 PM Tom_L: Blumax, http://linuxcnc.org/docs/2.7/html/gui/gladevcp.html
12:59 PM Tom_L: might help
01:03 PM Blumax: Tom_L, what ? My UI work, button work
01:11 PM Blumax: custom_postgui.hal:12: parameter or pin 'gladevcp.status' not found
01:31 PM Jin^eLD: Blumax: I'd hal show the pins that you have and see if its named differently for some reason or so
01:38 PM CaptHindsight: https://www.youtube.com/watch?v=9X3C9KkPClc
01:39 PM CaptHindsight: oops
01:42 PM Blumax: I have change net motion.probe-input <= gladevcp.hal_led_touch for net gladevcp.hal_led_touch <= motion.probe-input, no error
01:44 PM Blumax: I do not know if it works, I can not test ^^ But no error
01:44 PM Jin^eLD: Blumax: for testing the UI you could connect it to something else and toggle the value manually
02:00 PM Blumax: Jin^eLD, how ?
02:00 PM Blumax: Another signa ??? which ?
02:01 PM Blumax: (I work with a VM)
02:05 PM rmu: sync: i got two "SDS3", both don't work properly. strange design with an FPGA (Actel ProASIC) an da MSP430 that talk via 16 lines or so with each other. FPGA seems to do multiplexing for the LEDs and decoding of quadrature signals. a RS232-interface (level converter not populated) shows more sensible values, but LED display is very strange. datecode seems to be "2005-10".
02:05 PM Jin^eLD: Blumax: well, in hal you can connect anything to anything else so to speak... you could even come up with a simple XML based pyvcp UI which would act as a simulator for your real UI
02:06 PM Jin^eLD: i.e. you could connet your glade UI button not to a motion.xxx pin but to a pin that you control and this way test your glade UI
02:06 PM Jin^eLD: alternatively you could probably set the pins via hal shell, but I don't remember the commands from the top of my head
02:07 PM Jin^eLD: when I was developing stuff I basically had a separate .hal file configuration that connected my component to a simulator so I could test my work "offline", in my case I was testing a comp, but you can test your UI the same way...
02:09 PM Blumax: ok, i undestand, i use halui.mode.is-mdi
02:12 PM rmu: sync: IIRC the FPGA had some stability issues, doesn't run stable, but that was some 5+ years ago, don't remember exactly. i think probing around with the scope made the thing "work" when touching the right pins.
02:52 PM kkkk is now known as Guest28655
03:28 PM fragalot: 'sup
03:31 PM Deejay: gn8
03:41 PM fragalot: CaptHindsight: TIL that helium can cause "recent" (iphone 6 and up) apple devices to lock up.
03:42 PM fragalot: https://ifixit.org/blog/11986/iphones-are-allergic-to-helium/
03:46 PM XXCoder: fragalot: lol interestinf
03:53 PM CaptHindsight: why polymer helium balloons deflate after a few hours
03:55 PM XXCoder: helium is pretty good on outgassin
04:00 PM djdelorie: helium atoms are REALLY small, too...
04:00 PM djdelorie: and sneaky
04:01 PM XXCoder: yeah but its master is hydrogen lol
04:02 PM djdelorie: hydrogen is more sociable than helium
04:02 PM Jin^eLD: don't remind me of helium... I bought a 20l tank at an auction because the color on the photo was screwed up and I thought it'd be acetylene... :P
04:02 PM CaptHindsight: hydrogen tends to come in pairs
04:03 PM djdelorie: so your torch had a high pitched squeaky voice for a while?
04:04 PM XXCoder: thats right, pairs of jailbreakers lol
04:06 PM Jin^eLD: lol :) the color was fine in real life so I realized what I bought pretty quickly... my friends had a squeaky voice at various parties, I had no use for it
04:06 PM djdelorie: shield gas for overhead welding?
04:07 PM Jin^eLD: did not have a welder back then, but hmm, did not think about it either...
04:09 PM fragalot: lol
04:10 PM Jin^eLD: I figured I could use the tank for oxy, so gave the contents away for squeaking...:P
06:12 PM Jin^eLD is now known as Jin|away
07:19 PM _unreal_: full time single parenting... thankyou Xwife...
07:20 PM _unreal_: been a fun night with my daughter
07:21 PM _unreal_: sigh... with any like in the next 14 months I might get to SAND my @#$#@ splash mold and get to coat it and build the REAL mold off of it so I can build my shell for my LCD scree/computer for my lcnc rig I'm trying to build..
07:22 PM _unreal_: good talk :)
08:06 PM Wolf__: darkness
08:07 PM Wolf__: thats not where i was tying to type lol
08:11 PM {HD}: How do I “halui.mdi-command-00” to “parport.0.pin-13-in”?
09:06 PM skunkworks: {HD}: umm what are you trying to do? that doesnt make sense
09:08 PM {HD}: skunkworks: halui.mdi-command-00 is where I have a call to a sub. And I want that to get called when Inpress a button on parport 13
09:09 PM skunkworks: ah. ok
09:12 PM skunkworks: so. net comm-00 halui.mdi-command-00 parport.<portnum>.pin-<pinnum>-in
09:14 PM skunkworks: so. net comm-00 halui.mdi-command-00 parport.0.pin-12-in
09:14 PM skunkworks: so. net comm-00 halui.mdi-command-00 parport.0.pin-13-in
09:14 PM {HD}: skunkworks: perfect. I will give it a try. What is the “comm-00” net?
09:15 PM skunkworks: pain doing this from my android
09:15 PM {HD}: Haha
09:16 PM skunkworks: comm-00 is just a made up signal name that is connecting the 2 pins
09:16 PM {HD}: And I dont need a <= or >= or whatever?
09:16 PM skunkworks: no
09:17 PM skunkworks: that is for readabillity
09:18 PM {HD}: And you cant link the same pin to different places... apparently
09:21 PM skunkworks: yes think of it as a wire
09:22 PM skunkworks: the comm-00
09:24 PM {HD}: Oh. I will give it a tweak after my bowl of cereal! Thanks.
09:42 PM skunkworks: what kind of cereal?
10:12 PM Tom_L: O's
10:23 PM MarcelineVQ: The most dangerous kind.
10:26 PM tiwake: I got one of these in the mail today https://www.maritool.com/Indexable-Tooling-45%C2%B0-Square-Insert-Shell-Mill/c50_110/p669/Shell-Mill-45deg-X-4.0-dia/product_info.html
10:27 PM Tom_L: nice
10:30 PM laminae_: Can anyone point me in a direction to where i can find mroe information on these? https://cdn.discordapp.com/attachments/493832339538051098/506865223358218280/20181030_092104.jpg
10:31 PM laminae_: https://cdn.discordapp.com/attachments/493832339538051098/506865570092941362/20181030_092225.jpg
10:31 PM laminae_: https://cdn.discordapp.com/attachments/493832339538051098/506865569325121537/20181030_092221.jpg
10:31 PM laminae_: I've looked through every catalog and database i can think of
10:32 PM laminae_: The same guy who sold me the parker actuators i used for my router bought them at auction and i'd love to see the specs if i can find them
10:32 PM SpeedEvil is now known as Guest67105
10:35 PM Tom_L: aparently that company is in this town
10:35 PM Tom_L: maybe
10:35 PM laminae_: They are MASSIVE
10:35 PM Tom_L: there are 3 listings for aerotech here
10:36 PM Tom_L: https://www.google.com/search?q=aerotech&ie=utf-8&oe=utf-8&client=firefox-b-1
10:36 PM laminae_: You from portland?
10:36 PM laminae_: I live is se haha
10:36 PM Tom_L: Ks.
10:36 PM laminae_: I thought you meant parker
10:36 PM laminae_: but yeah, aerotech is here
10:37 PM Tom_L: ask them?
10:37 PM laminae_: This was part of a massive auction of old stuff
10:37 PM laminae_: They don't even have all the original hardware
10:37 PM laminae_: Kind of an as is deal
10:38 PM laminae_: Like the actuators i got last time
11:25 PM jesseg: Howdy
11:38 PM jesseg: hey guys is it considered shady practice to use a large transistor as a crude constant current source by hanging a resistor off the gate to the other power rail such that the HFE of the transistor and the base current work out to be approximately the desired current -- like for a stepper motor?
11:43 PM pcw_home: Typically you use an emitter degeneration rather than the ( widely variable) HFE to make a constant current source/sink with a transistor
11:52 PM jesseg: yeah but it was just an idea i had
11:53 PM jesseg: actually an LM317 can make a nice constant current source too with a power resistor of 1.25 ohms per amps so to speak