#linuxcnc Logs
Mar 24 2017
#linuxcnc Calendar
12:44 AM icecube45 is now known as ScaredMandM
12:48 AM ScaredMandM is now known as icecube45
03:10 AM Deejay: moin
05:04 AM XXCoder: {HD}: dang 4 psus? and spindle
05:04 AM XXCoder: Wolf_: whoa big stepper baby machine
05:51 AM njh is now known as Guest27026
06:16 AM njh_ is now known as _njh_
07:28 AM R2E4_bevins1: Where are you located? I just started my day....
07:28 AM XXCoder: me?
07:28 AM R2E4_bevins1: sorry, wrong window
07:28 AM XXCoder: lol
07:29 AM archivist: him over there -------------->
07:30 AM XXCoder: I'm here
07:35 AM R2E4_bevins1: archivist, I think I found my problem.
07:36 AM XXCoder: yeah it was right here also
07:38 AM R2E4_bevins1: When linuxcnc starts it is in preview mode.... I have to check with self.task if its in the preview mode and if it is then exit, when running the program it will be the milltask instance so it can continue.
07:57 AM JT-Mobile: morning
08:41 AM Wolf_: XXCoder: on which? lol
08:57 AM archivist: Wolf_, you watch the mailing list?
08:58 AM Wolf_: no i don’t, what mailing list
08:59 AM archivist: the linuxcnc use list
08:59 AM archivist: user
08:59 AM Wolf_: no, I’m not on it
09:00 AM archivist: I had better hurry up and do the arrrrguino OMM for renishaw probes, people keep popping up and asking questions
09:34 AM cradek: that would be very neat
09:35 AM cradek: wonder if it's 40kHz carrier like so much of that IR stuff
09:36 AM archivist: does the current probing stuff kick a signal to start a probe?
09:36 AM cradek: no, I don't think so
09:36 AM archivist: no not like remotes
09:37 AM archivist: it is IR first opto transistor I tried was deaf to the signal, building a PIN opto with comparator next
09:38 AM cradek: you figured out how to turn it on? mine turns on with a signal from the "receiver"
09:38 AM archivist: when enabled an opto signal starts the probe up, which then sends a serial byte often with probe state
09:38 AM cradek: aha
09:39 AM archivist: rattle a serial pin on an IR opto and the probe starts
09:39 AM archivist: I say rattle as the exact speed seems to not matter
09:41 AM archivist: the return is near as dammit 115k baud
09:42 AM archivist: there is a latency of byte repeat time, must measure and document
10:15 AM archivist: cradek, see if you can make sense of the opto bias on page 20 of http://www.archivist.info/cnc/ardomm/
10:35 AM cradek: archivist: no, I don't understand it
10:37 AM pcw_home: often higher frequency photodiode receivers use a transconductance amp followed by a comparator
10:37 AM pcw_home: (to keep photodiode load impedance close to 0)
10:40 AM archivist: the two transistors have a very odd connection, just dug out the original National data sheet, the two transistors are the reference voltage but I dont see that
10:43 AM archivist: early version used a 2n797 top and 2n2222 for the bottom, why different etc
10:43 AM pcw_home: Yeah thats strange
10:44 AM archivist: the bases connected together means the upper never gets forward biased properly because ot the saturation of the lower, /me confused
10:48 AM Jymmm: If you have a netbook or atom system, I'm kinda impressed, found everything (hardware) and beats lubuntu by a long shot... https://www.bunsenlabs.org/
11:14 AM FAalbers: Amazing "quads" ... https://thechive.files.wordpress.com/2017/03/daily-afternoon-randomness-49-photos-2348.jpg?quality=85&strip=info&w=600
12:35 PM rwlloyd: Morning/Afternoon! Do any of you good people have any advice for finding the reason why I might be getting step signals of 60us out of a parallel port when the step signals for the other 4 axis are 4us? The odd signals are on the second parallel card
12:36 PM archivist: some ports need pull ups on some pins
12:37 PM cpresser: rwlloyd: how do you measure?
12:37 PM rwlloyd: I've got the parallel ports hooked up to a tektronix scope
12:38 PM cpresser: are they nice and square, without overshot/ringing/...?
12:38 PM archivist: nice square wave?
12:39 PM rwlloyd: I should mention that the second parallel port is opto-isolated. However, It is designed for cnc output
12:39 PM archivist: er wot
12:39 PM cpresser: then you should investigate the rise/fall and delay-times of the optos used
12:39 PM rwlloyd: its a nice square wave coming out of the parallel cable, but a bit of a slow rise once it's been through optos
12:40 PM archivist: resistors wrong value?
12:40 PM archivist: or opto has series R as well as device (wrong)
12:40 PM rwlloyd: I have, it's the same for all the pins i tested. It still doesnt expplain the 60us pulses coming out of the PC
12:41 PM archivist: some bobs have incorrect design
12:41 PM rwlloyd: ain't that the truth. I'll find another at home and give it a try tomorrow
12:42 PM cpresser: it could be software. as a next debugging-step, i would measure the signals directly at the super-io-chip and compare them to the iutput
12:42 PM archivist: you end up with two series R and slow transitions
12:43 PM rwlloyd: disregarding the BoB, I'm getting 60us pulses directly out of the parallel cable. I'm almost sure it's software
12:44 PM rwlloyd: Is there any way to change the step pulse duration from the hal file? As you can guess, this is a heavily modified 5 axis config, so I can't just use stepconfig.
12:45 PM archivist: I edit the hal for my 5 axis
12:45 PM archivist: so that is a yes
12:47 PM rwlloyd: The config I have for the problem axis is exactly the same as the others.
12:48 PM archivist: and ini file?
12:48 PM rwlloyd: I'll just swap out the port for a spare I have to see if it's a hardware problem before troubling you guys any more. Thanks fr the input
12:51 PM rwlloyd: Same as the working axis.... I'm going to check the stepper driver too. Still, I think the culprit will be in the 1's and 0's. 60us is just wrong.
01:08 PM jst_ is now known as jst
01:11 PM Loetmichel_: maaan, now i am a bit pissed. The filament that should have arrived wenedsday still isnt here... The Anet A8 3d printer is sitting there, readily built (only have to glue some painters tape/kapton to the heatbed and fix that missing z-endsiwtch... and i still cant use it... http://www.cyrom.org/palbum/main.php?g2_itemId=16503&g2_imageViewsIndex=1
01:25 PM IchGucksLive: hi
01:26 PM IchGucksLive: Loetmichel_: ich kann 4.0 nicxht mehr hören cbit sei dank
01:31 PM Loetmichel_: ?
01:32 PM IchGucksLive: mein Bosch ist nun explodiert echt war
01:32 PM Loetmichel_: autsch
01:32 PM Loetmichel_: how did you do that?
01:32 PM IchGucksLive: kurz geschlossen von 3 eicklungen dann ist das teil noch 1std gelaufen und einfach wunderkerze abgeraucht
01:33 PM Loetmichel_: if you had a short in 3 windings... and still plugged it in.. you got what you bargained for.
01:33 PM IchGucksLive: die Kohlen sind durch die Lüftungschlitze rausgeflogen gluhend
01:34 PM IchGucksLive: it wored almost 4 parts at 45Euros etch
01:34 PM IchGucksLive: so no problem on that
01:34 PM Loetmichel_: you are a tool torturer!
01:35 PM IchGucksLive: yes i am
01:37 PM IchGucksLive: https://youtu.be/UdvROAlCMMQ this is the spindle
01:44 PM sync_: quite inefficient trochidal code
01:45 PM IchGucksLive: agree
01:45 PM IchGucksLive: but 400w on hard hood is better then nothing
01:46 PM IchGucksLive: chees mill with 0,1mm backlash
01:46 PM sync_: well, you are cutting 50% air
01:46 PM sync_: you want to G0 rapid to the next start point as soon as the cutter is clear on the end of the cycle
01:47 PM gregcnc: if accel is high enough to matter
01:47 PM IchGucksLive: g0 is the same as g1 1000mm
01:47 PM IchGucksLive: on that test
01:48 PM gregcnc: is the pocket at real speed or sped up?
01:49 PM sync_: well, it seems to follow a fully circular trajectory
01:50 PM sync_: you can use a straight line on the back
01:50 PM sync_: saves some path length
01:51 PM gregcnc: cutting time vs ~1mm(or whatever max is) slotting passes to depth?
02:00 PM IchGucksLive: gregcnc: 4times speed up
02:02 PM IchGucksLive: sync_: for most of the chees owners it is more importent on the cut not the time
02:02 PM IchGucksLive: and the tool stands cool and sharp
02:03 PM IchGucksLive: also it reduces the cut force to 30%
02:22 PM IchGucksLive: Gn8 there is a grill party outside i will go to get a ""Bratwurst""
03:21 PM kyle___: GUYSSSSSSSSSSSSSS
03:21 PM kyle___: GO CLEAN OUT YOUR LOCAL RADIOSHACK
03:21 PM kyle___: everything is 50-90% off because they're closing permanently
03:21 PM Deejay: no radioshack here in germany :/
03:22 PM kyle___: damn
03:22 PM kyle___: :(
03:34 PM Jymmm: I know gasoline has a shelf life, but does diesel? kerosene?
03:34 PM SpeedEvil: Not if you entirely exclude air
03:35 PM XXCoder: kyle___: damn
03:35 PM XXCoder: so radio hack is closing
03:35 PM kyle___: yep
03:35 PM kyle___: I filled up two big bags of passive components and random bits and bobs
03:35 PM Jymmm: Oh, hmmm gasoline and diesel have about the same shelf life (6 months), kerosene about 2 years+
03:35 PM kyle___: perfboard is $0.50 a sheet, lol
03:36 PM gregcnc: jymmm, not sure it's costeffective to buy a tanker and store it
03:36 PM roycroft: i have a vehicle that i drive once/year
03:36 PM Jymmm: gregcnc: Well, they say you can add an additive
03:36 PM roycroft: when i'm finished with my annual trip i dump some fuel stabilizer in the tank and it starts up fine the next year
03:37 PM XXCoder: once a year
03:37 PM Jymmm: SpeedEvil: So I gues that would exclude plastic cans
03:37 PM roycroft: i'm more concerned about the battery than the fuel
03:37 PM roycroft: i do remove the battery, top it off, and put a trickle charger on it for the year
03:37 PM gregcnc: assuming it's not open to atmosphere it stores longer than that
03:37 PM roycroft: but i still am concerned about it
03:37 PM Jymmm: roycroft: I was just gong to say that
03:37 PM gregcnc: plastic cans these days are designed for it and don't leak
03:37 PM roycroft: and last year the battery had failed, even though it was only 3 years old
03:38 PM roycroft: fortunately it was still under warranty, so i got a new on eat a pro-rated price
03:38 PM Jymmm: gregcnc: Not leak, but do pass air
03:38 PM gregcnc: no they don't
03:38 PM roycroft: on a, not on eat a
03:38 PM * roycroft doesn't know where that spurious word came in
03:38 PM XXCoder: that happens to me
03:38 PM Jymmm: gregcnc: Yeah, they do, on a molecular level. They also have a higher level of thermal expansion.
03:39 PM gregcnc: they are multilayer plastic
03:39 PM Jymmm: They are HDPE
03:39 PM XXCoder: HDPE do very slowly pass water also
03:41 PM Jymmm: XXCoder: most plastics (polymers) do have a water absorbtion rate, and need to be kiln dried (well, a really low temp kiln for plastics =)
03:41 PM XXCoder: yah, I know cans have this issue though slowly because gas that I use for mowing goes slowly bad in it lol
03:41 PM XXCoder: though mowers tend to not care
03:44 PM Jymmm: XXCoder: true, but toss any high fruit sugar syrup in a HDPE contianer and you will NEVER get the scent/taste out 100% - There someong about sugar molecule that has a bond to hdpe.
03:44 PM XXCoder: yummy plastuc
03:44 PM XXCoder: did you know that there is plastic rocks out there?
03:45 PM Jymmm: XXCoder: Pretty much, I have some used jugs that have a wild cherry smell to them =)
03:45 PM XXCoder: made same way normal sandy rocks was made
03:45 PM XXCoder: only 75% or more plastic
03:51 PM Jymmm: Water Absorption (24 Hours):: HDPE 0.03%, UHMW 0.01%, PP 0.008%, PVC 0.10%, Delrin 0.25%, Acrylic 0.03%, Nylon 1.2%
03:51 PM XXCoder: pretty small
03:52 PM Jymmm: Nylon being a sponge
03:52 PM Jymmm: PP being the best
03:52 PM XXCoder: there is material that gets to 99.99%+
03:52 PM XXCoder: essentally making solid water
03:52 PM XXCoder: (not ice)
03:52 PM Jymmm: XXCoder: I'm speaking of plastics
03:53 PM XXCoder: oh I know, I was off to tangent kinda
03:53 PM Jymmm: heh
04:00 PM Jymmm: Anyhow, looking at a multi-fuel (kerosene/diesel) forced air heater, and was just wondering the shelf life. HEre diesel is about $2.50/gal and kerosene (bulk fill) is $6.49/gal
04:14 PM CaptHindsight: _methods: you around?
04:15 PM _methods: yeah what's up
04:16 PM CaptHindsight: what's your opinion on spotting drill angles vs the twist drill to follow?
04:16 PM CaptHindsight: http://pdf.directindustry.com/pdf/ingersoll-cutting-tools/hole-making-catalog/17869-11078-_93.html
04:17 PM _methods: i agree with that link
04:17 PM * Jymmm pets CaptHindsight with a square drillbit
04:18 PM CaptHindsight: http://www.practicalmachinist.com/vb/general/spotting-drill-bit-159845/ some here have done the opposite for decades
04:18 PM _methods: well you can do whatever but i guess the textbook answer is that ingersoll link
04:19 PM CaptHindsight: makes the most sense
04:19 PM _methods: well i kinda go with whatever i have loaded in themachine or what is nearby lol
04:20 PM CaptHindsight: heh, some people count on the chisel edge vs the edge of the heel
04:20 PM Jymmm: CaptHindsight: FWIW http://blog.cnccookbook.com/2017/02/27/when-to-use-a-spot-drill/
04:21 PM _methods: i really don't worry about it too much unless i'm having some problems with the holes or premature tool wear or something
04:21 PM _methods: then i'll go get the right spot drill
04:22 PM _methods: if it's a high hole count part then i'll do the textbook thing
04:23 PM CaptHindsight: I was tired the other day and I didn't spot first into some 6061, the 1/4" tap drill ended up maybe 5+ degrees from straight
04:23 PM Jymmm: ouch, hate when that happens
04:23 PM CaptHindsight: I still can't believe it wandered that much
04:24 PM _methods: yeah if you're not going to spot with hss drill that happens
04:24 PM Jymmm: CaptHindsight: hand drilling?
04:24 PM _methods: if it's carbide drill then sometimes i won't spot when i'm being lazy
04:24 PM _methods: carbide won't drift as much on you
04:24 PM CaptHindsight: yeah I can see that
04:25 PM _methods: was this cnc drilling or manual?
04:26 PM SpeedEvil: _methods: yeah, it just snaps
04:27 PM _methods: if you don't want to spot when manual drilling do a few light pecs to let the drill kinda do a little spotting for you
04:27 PM _methods: SpeedEvil: yeah that can happen
04:27 PM _methods: the price you pay for being lazy lol
04:27 PM _methods: lazy tax
04:28 PM CaptHindsight: _methods: well using the MPG on a CNC
04:28 PM _methods: ah hard to get a feel when using the mpg
04:28 PM _methods: yeah that technique won't work so well that way
04:28 PM CaptHindsight: next feature: tactile feedback from MPG
04:29 PM _methods: probably not a good idea with some of the things i've done when using the pendant lol
04:29 PM _methods: could get painful
04:31 PM SpeedEvil: per-Tool force limits would be awesome.
04:31 PM CaptHindsight: same day I had a ~1/8" bit snap off and hit me in the cheek
04:31 PM CaptHindsight: 1/4" below the safety glasses
04:36 PM kyle___: yikes
04:37 PM CaptHindsight: larger dia. 140 deg spot drill followed by ~130 twist makes sense vs
04:37 PM CaptHindsight: 90 deg spot followed by ~130 twist drill
04:38 PM CaptHindsight: maybe the 90 deg spot drill guys always have a much larger bit than the following twist drill
04:41 PM CaptHindsight: chamfer and spot at the same time
04:45 PM CaptHindsight: hi andy!
04:45 PM andypugh: Hi
04:51 PM CaptHindsight: andypugh: I was getting opinions on https://imagebin.ca/v/3GhsAPLi0egT
04:52 PM CaptHindsight: vs just using a much larger 90 spot drill followe by a 90+ deg HSS twist drill
04:54 PM Jymmm: Yeah, here's my "spot dril bit"... https://mobileimages.lowes.com/product/converted/038728/038728223395.jpg
04:54 PM andypugh: goes aginst the normal lathe practice of starting with a centre drill
04:54 PM Jymmm: KaThunk
04:54 PM CaptHindsight: heh and now the center drill comes up for discussion
05:20 PM gregcnc: capthindsight drilling instead of going outside in 80°F in Chicago?
05:22 PM gregcnc: what are you cutting that you actually how to spot for?
05:23 PM Deejay: gn8
05:26 PM dan1705: Hi, habe diesen Channel über Youtube gefunden.
05:26 PM dan1705: Wollte mal fragen ob jemand die Kosy 2 Maschine von der Firma MaxComputer kennt und weiß ob man diese mit LinuxCNC betreiben kann?
05:29 PM andypugh: Loetmichel_: What’s he saying?
05:30 PM Spida: andypugh: whether somebody knows Kosy 2 from MaxComputer and if so, if it works with linuxcnc
05:30 PM Loetmichel_: he asks if someone has the kosy2 machine from maxcomputer, and if so, if it works with linuxCNC
05:30 PM dan1705: thanks for translation :)
05:31 PM CaptHindsight: gregcnc: just getting opinions on what works for them
05:31 PM Spida: Loetmichel_: *5*
05:31 PM Loetmichel_: *5*
05:31 PM Loetmichel_: :-)
05:31 PM andypugh: http://www.max-computer.de/x5e/kosy3.html
05:31 PM Loetmichel_: *abklatsch* ;)
05:31 PM CaptHindsight: gregcnc: now have to fix a part where the HSS drill wandered
05:32 PM Loetmichel_: dan1705: to make a long story short: you can use ANY machine with LinuxCNC
05:33 PM Loetmichel_: sometimes its more work than some other times. but in the end you can refit any machine with it.
05:33 PM gregcnc: I don't do enough drilling to know much but I try to use 140° spot drills even on the lathe. Though the other day I drilled jobbers length split point #40 into a 5/8" round with no flat or spot
05:33 PM gregcnc: that is into the side
05:38 PM dan1705: loetmichel: i dont know if the machine has a standard connection interface or if its a manufactor specific interface. the common boards i saw online with linux cnc have a parrallel port connection but on this machine its a rs232 port.
05:39 PM dan1705: so it would be quite interesting if someone other used a machine like this with linuxcnc
05:50 PM CaptHindsight: dan1705: sounds like you'll have to get directly to the drives
05:51 PM CaptHindsight: bypassing the serial interface
05:51 PM CaptHindsight: the parallel port with Linuxcnc is for Step and Direction pulses
05:51 PM CaptHindsight: not parallel port data/commands/position info
05:54 PM dan1705: CaptHindsight: do you mean get another control board. and connect steppers and switches with it?
05:55 PM CaptHindsight: dan1705: with the Linuxcnc the control board is a PC with LPT and breakout board or PC with FPGA card
05:59 PM CaptHindsight: http://linuxcnc.org/docs/2.4/html/whatstep1.png
06:03 PM dan1705: ahh, thanks for the image. so my first step is to look inside the machine for the stepper drivers and than find out how to wire stepper/stepper-drivers and lpt-port :)
06:04 PM CaptHindsight: dan1705: yes, and looking at the http://max-computer.de/x5e/files/max_produktinfo_kosy4_e.pdf
06:05 PM CaptHindsight: if they have the stepper drivers integrated into the control board then you can replace that with other stepper drivers
06:05 PM CaptHindsight: since the motors are small it's relatively inexpensive
06:05 PM Jymmm: CaptHindsight: What is that HUGE box on the LEFT side?
06:06 PM CaptHindsight: a PCIe LPT card is $10-$20, a BOB is $10-30 and a 3-axis tb6600 is ~$40
06:07 PM Jymmm: CaptHindsight: ...the thing with a penguin in it?
06:07 PM CaptHindsight: Jymmm: that might be Chips and not Tux
06:08 PM Jymmm: CaptHindsight: No no I mena the BOX it's in
06:08 PM Jymmm: There's also the gecko 540 http://www.geckodrive.com/geckodrive-step-motor-drives/g540.html
06:08 PM CaptHindsight: Jymmm: the magic box with the moving pictures like a TV or wizards cauldron?
06:09 PM CaptHindsight: yes, that's it
06:09 PM Jymmm: CaptHindsight: I think so, I have a magic box too, but it's super thin, like a couple of inches thick. That a monster like tha thing.
06:10 PM CaptHindsight: portable magic box? Does it have electricity in small metal cans?
06:11 PM Jymmm: CaptHindsight: Not portable, just thin. Not massive box wighting 70lbs
06:12 PM CaptHindsight: Jymmm: does it have enough power to magically control your machine?
06:12 PM CaptHindsight: it might be the bigger the box = more magic and bigger machines
06:12 PM CaptHindsight: I'm just guessing here
06:12 PM Jymmm: ah gotcha
06:12 PM Jymmm: CaptHindsight: I was mocking the CRT in that pic is all.
06:13 PM Jymmm: as opposde to LCD
06:14 PM CaptHindsight: Jymmm: maybe you can find an updated diagram with an LCD
06:15 PM CaptHindsight: it does make us seem a bit behind the times with a CRT monitor
06:15 PM CaptHindsight: maybe that's why all the kids use Rpi's and their dumbphones
06:15 PM Jymmm: CaptHindsight: and one without EMC2 on it?
06:16 PM Jymmm: CaptHindsight: I guess that's better than having BDI ;)
06:20 PM Loetmichel_: Jymmm: i would say its not THAT far from reality...
06:20 PM Loetmichel_: http://www.cyrom.org/palbum/main.php?g2_itemId=11205&g2_imageViewsIndex=1
06:20 PM Loetmichel_: :-)
06:21 PM CaptHindsight: Jymmm: https://imagebin.ca/v/3GiJIdf0U5Ej
06:21 PM CaptHindsight: only had a minute
06:21 PM CaptHindsight: better?
06:21 PM dan1705: CaptHindsight: so i disassembled the machine and looked for circuit boards, i hoped to see 3 stepper driver boards and one controller board. but its one board for all, so i think the best solution is to take other stepper driver boards.
06:22 PM CaptHindsight: dan1705: their company is probably based around their control board and closed software
06:22 PM Loetmichel_: dan1705: not neccessarily. if you have an "elektroniker" as a friend, maybe task him with finding the drivers and disconnect the rest of the board
06:23 PM Jymmm: CaptHindsight: Maybe someone can take a pic of their active system with an lcd and donate it to the cause.
06:23 PM CaptHindsight: soldering iron and razor blade might do it
06:23 PM Loetmichel_: on old isel machines tehere are even jumpers on the board for that pourpose (to deactivate the onboard cpu and feed the drivers step/dir directly)
06:23 PM CaptHindsight: Jymmm: I'd do it but I don't have any cartoon drives and motors
06:25 PM Jymmm: CaptHindsight: This is labeled for reuse https://commons.wikimedia.org/wiki/File:Nema_17_Stepper_Motor.jpg
06:25 PM Loetmichel_: Jymmm: hows that? -> https://www.youtube.com/watch?v=ZyqRfDE__HQ
06:26 PM CaptHindsight: Jymmm: I bet someone with some extra time and a Linux install with Gimp could make a pic like that for the wiki
06:26 PM Jymmm: Loetmichel_: only bad thing is the drivers are single pcb (3x axis )
06:26 PM XXCoder: boo
06:28 PM Loetmichel_: sorry, thats because i made that vid to show the working again TB6560 board
06:28 PM Jymmm: Loetmichel_: it's nice =)
06:28 PM XXCoder: wow a WORKING tb6560
06:28 PM roycroft: i just got some paint from the new vendor
06:28 PM dan1705: Loetmichel: this would be quite possible to detect the drivers on the board. but i will not destory anything. so i think its the safer way to take a seperate driver board.
06:28 PM roycroft: if it works well i'll be very happy
06:29 PM roycroft: i paid $100 for 1-1/2 quarts of paint (3/4 qt each of paint and activator)
06:29 PM Loetmichel_: XXCoder: tb6560 were better than their fame.
06:29 PM XXCoder: Loetmichel_: whats your plan with it?
06:29 PM roycroft: the stuff i used to use has gone way up in price, and the last time i bought it they charged me $89 for 1/2 pint
06:29 PM Loetmichel_: its already back in the machine of a friend
06:29 PM XXCoder: my impression of tb6560 isnt too good, though mine is blue board version
06:30 PM Jymmm: So, had the lid closed on my netbook. Open the lid, get the login screen, login in then I'm met with a dialog that is requesting auth to go into suspend and asking for pw. Type in pw, goes into suspend. DOH
06:30 PM Loetmichel_: the only thing the chips dont like is disconnects of the motor wires while running
06:30 PM roycroft: isn't that true of all drivers, loetmichel_?
06:31 PM Loetmichel_: or reversing the polarity of the supply... BTDT... > http://www.cyrom.org/palbum/main.php?g2_itemId=12554&g2_imageViewsIndex=1
06:31 PM Loetmichel_: :-)
06:31 PM Loetmichel_: roycroft: the good old L297/L298 survive that usually
06:31 PM Jymmm: Loetmichel_: Do you just connect ALL the wire in the cable together too?
06:31 PM Loetmichel_: the disconnect, not the reverse polarity
06:31 PM roycroft: probably the biggest warning that i see repeated over an over in discussions of building cnc machines is to NEVER fuse the power from the driver to the motor
06:32 PM Loetmichel_: Jymmm: dont understand the question
06:33 PM Jymmm: Loetmichel_: I was being a smartass
06:36 PM Loetmichel_: roycroft: as i said: usually the old 298 survive a disconnect (IF there are fast diodes on the outputs like the datasheed tells you to install)
06:37 PM Loetmichel_: the TB6560 were designed by Toshiba for use in consumer electronics, they had to be cheap, not safe. so they omit all the usual safeguards. Which doesent mean its a bad chip, just a one that doesent like abuse at all.
06:37 PM XXCoder: I couldnt get mine to step smoothly
06:38 PM XXCoder: its common flaw for blue board tb6560 apparently
06:38 PM Loetmichel_: let me guess: your (blue) board had opto couplers installed?
06:38 PM XXCoder: plus side is I got wrenches for er11 nut and spindle!
06:38 PM Loetmichel_: remove them, put bridges in.
06:38 PM XXCoder: oh its been retired
06:38 PM XXCoder: I now use BOB and 3 tb6600s
06:38 PM XXCoder: runs way better
06:38 PM Loetmichel_: the optos in those boards were chronic slow
06:39 PM XXCoder: I had to use hmm 50% decay mode? insane
06:50 PM dan1705: can someone tell me what "BOB" is?
06:50 PM archivist: break out board
06:50 PM XXCoder: yeah
06:50 PM XXCoder: hey JT-Mobile
06:51 PM dan1705: :) thanks
06:51 PM XXCoder: I got clamps
06:51 PM archivist: http://www.ebay.co.uk/itm/5-Axis-MACH3-CNC-Breakout-Board-Interface-for-Stepper-Motor-Driver-/121924104910
06:51 PM XXCoder: its made from oak apparently
06:55 PM XXCoder: Loetmichel_: I seem to remember you was working on alum cnc router?
06:55 PM Loetmichel_: yes
06:56 PM XXCoder: hows it going
06:56 PM Loetmichel_: stalled
06:56 PM Loetmichel_: actually i havent done any new CNC machines for about a year
06:57 PM XXCoder: you was making few?
06:57 PM XXCoder: cool :) I'm thinking maybe use my previous cnc router plan parts to make plotter or light laser engraving
06:57 PM JT-Mobile: hey XXCoder
07:01 PM XXCoder: hows trip so far
07:12 PM JT-Mobile: good, going on an air boat ride tomorrow then down to Grand Isle
07:18 PM jdh: where is this?
07:19 PM JT-Mobile: Louisiana
07:22 PM XXCoder: cool
07:32 PM dan1705: is it possible to connect endswitches to this TB6560 board? http://www.ebay.de/itm/272597286046
07:33 PM XXCoder: "limit port can connect 4 axis"
07:34 PM dan1705: oh, okay thanks ^^
07:34 PM XXCoder: Loetmichel_: mine is right version http://g02.s.alicdn.com/kf/HT1.CLyFLBaXXagOFbXr/118948726/HT1.CLyFLBaXXagOFbXr.jpg
07:35 PM XXCoder: np
07:39 PM Loetmichel_: XXCoder; as i said: the couplers are notorious for being slow
07:40 PM XXCoder: interesing
07:40 PM Loetmichel_: the 12V supply isnt flawless on the red boards either. i managed to explode one with a bit too much voltage... my board only had 25V caps on the 12V step down converter ;)
07:41 PM XXCoder: I saw people using caps on tb6600 power input
07:41 PM XXCoder: I wonder what caps would be good for that usage, to smooth out power intake and avoid dips
07:41 PM Loetmichel_: there are already sufficient caps on the board
07:42 PM Loetmichel_: for each chip
07:43 PM Loetmichel_: no need to put in bigger ones usually
07:47 PM dan1705: Loetmichel_: Do you think its a good idea to put in a TB6560 (red) board into my kosy2 machine, so that i can use it with linuxcnc? i could not find any specs to the steppers online, but compared to others in this size i think the current is about 1,2amp.
07:47 PM XXCoder: I used my cheap blue one with 2A steppers
07:47 PM XXCoder: so yes
08:26 PM dan1705: so guys, im out. thank you for your help.
09:19 PM R2E4_bevins1: Finally!!!! https://youtu.be/E02xONwPMhE
09:19 PM R2E4_bevins1: Needs alot of adjustments timing and error checking..... but the M6 Remap is working
09:20 PM {HD}: R2E4_bevins1: Seems cool!
09:20 PM R2E4_bevins1: Just using time.sleep(x), but need to check when "move is done" speed up some things.....
10:48 PM Cromaglious_: My JMC-motor.com 2nm 's just got ordered! yey!
10:51 PM Cromaglious_: some time from the 7th to the end of the month
10:52 PM Wolf_: love china shipping, 3days or maybe 45
11:00 PM {HD}: Cromaglious_: What are you going to do with a broken iPad?
11:01 PM Cromaglious_: yep... I'm certainly looking forward to playing with them. It's in the back of the car right now... It'll be my iirc when I'm away from the computer. I have a bluetooth keyboard that works with it
11:02 PM Cromaglious_: the dead strip can be worked around... I just turn it over to use the other side
11:08 PM {HD}: That would drive me crazy. But, hey free shit is always cool.
11:09 PM Cromaglious_: I have a 5c iphone with a trashed screen. I ordered a replacement screen... now to change it...
11:12 PM Wolf_: those are easy
11:13 PM Wolf_: my ex-g/f’s daughter helped me get down to under 10 mins to swap out a iPhone 6 digitizer (fixed the same phone 3 time in 3 weeks)
11:14 PM Cromaglious_: Also have a Droid Razr with a broken glass
11:14 PM Cromaglious_: and I have a replacement glass for it..
11:15 PM Wolf_: right now I have a iPad 4 on my bench, replaced the digitizer and battery, now the damn thing is acting weird
11:28 PM Cromaglious_: not even sure which model mine is...
11:31 PM Cromaglious_: workmans compensation is NOT counted as income for federal SNAP (food Stamps). Veterans Disability Compensation IS... GRRR*&#^$*&#^$^&