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Thread: DIY Arduino THC - Video

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EmptyNester DIY Arduino THC - Video 12-27-2012, 07:39 PM
acourtjester I bet you feel like an... 12-28-2012, 01:55 PM
greygizmo Looks like it is coming... 12-28-2012, 05:16 PM
EmptyNester Thanks MuttonHawq. I've... 01-25-2013, 11:04 AM
EmptyNester Status Update 01-02-2013, 12:58 AM
sportbike That looks nice. I will have... 01-02-2013, 01:12 AM
SeanMurphy265 I bet there are some THC... 01-03-2013, 02:37 AM
EmptyNester I doubt that. :) There's... 01-03-2013, 04:18 PM
sportbike That's probably not too big... 01-06-2013, 11:36 PM
EmptyNester More Understanding - not much... 01-06-2013, 11:18 PM
sportbike I would think running the... 01-06-2013, 11:40 PM
EmptyNester Sorry for the delay Sportbike... 01-10-2013, 11:59 PM
Rambozo Because of the tip outside... 01-11-2013, 05:05 AM
EmptyNester It's funny, but I had never... 01-11-2013, 11:13 AM
EmptyNester I'm currently using an... 01-26-2013, 12:39 AM
Rambozo I've seen one video where... 01-26-2013, 12:59 AM
EmptyNester Any idea what kind of... 01-26-2013, 01:51 AM
sportbike I just looked at it again and... 02-01-2013, 12:52 AM
EmptyNester I hadn't notice that before... 02-01-2013, 01:53 AM
EmptyNester Rev B Hardware officially a... 03-10-2013, 11:22 PM
gerrymoore Hi all...I've been following... 03-12-2013, 12:57 PM
bfleming No 100% sure on the arduino,... 03-12-2013, 11:45 PM
EmptyNester You are right - the flash is... 03-13-2013, 12:02 AM
bfleming Now that's interesting that... 03-13-2013, 01:01 PM
EmptyNester Was the kerf it was crossing... 03-13-2013, 04:03 PM
bfleming Wasn't a kerf jump, it was... 03-13-2013, 10:50 PM
Rambozo Sounds like it to me. You... 03-14-2013, 12:03 AM
gerrymoore If it's any help....my plasma... 03-15-2013, 10:22 AM
everlastsupport GerryMoore, all good info. I... 03-15-2013, 10:33 AM
bfleming Wow thanks for all the... 03-15-2013, 11:55 PM
acourtjester Thanks Empty Man you have... 07-24-2013, 04:39 PM
acourtjester Is there a place to down load... 07-22-2013, 05:04 PM
EmptyNester I updated the manual with... 07-23-2013, 12:01 AM
cwalker1960 Hi EmptyNester, If you still... 01-09-2014, 02:14 AM
EmptyNester While the software should be... 01-09-2014, 10:54 AM
cwalker1960 It doesn't have a cnc... 01-09-2014, 01:12 PM
EmptyNester When you are working with raw... 01-14-2014, 12:16 AM
none Hi, Im new to this forum... 02-24-2014, 07:45 PM
EmptyNester Thanks. I had the kerf... 02-27-2014, 04:45 PM
I build Hi EmptyNester While... 03-15-2014, 10:55 PM
EmptyNester Thanks, I have not yet... 03-16-2014, 08:52 PM
I build Hi EmptyNester Took a... 05-21-2014, 09:57 PM
EmptyNester Sorry, haven't been on the... 05-21-2014, 11:43 PM
I build Sorry, not sure what happened... 05-22-2014, 10:30 AM
EmptyNester You should take a look at the... 05-22-2014, 11:35 PM
I build I have done a lot of reading... 05-23-2014, 12:33 AM
EmptyNester I PM'ed some ideas to you. ... 05-26-2014, 07:57 PM
I build Its built, programmed and... 06-04-2014, 02:02 PM
EmptyNester Sorry for the delay, I was... 06-18-2014, 12:44 AM
I build Hi EmptyNester After a lot... 06-02-2015, 11:44 AM
none Hi, Im sorry I didn't even... 09-25-2015, 04:31 PM
Rambozo Pierce height and delay are... 09-26-2015, 05:49 AM
meJasonT Hi Guys, Im new to the site... 08-30-2015, 08:59 AM
Rambozo A couple of things. Yes,... 08-30-2015, 12:59 PM
everlastsupport Two most important things... 08-30-2015, 01:51 PM
EmptyNester Jason, I went through... 08-30-2015, 02:44 PM
meJasonT Hi Guys Thanks Emptynester,... 08-30-2015, 08:03 PM
furkanyilmaz Hi Cwalker I am currently... 06-03-2015, 08:05 AM
sportbike Looks very nice. Were the... 07-14-2013, 11:32 PM
EmptyNester Thanks. They were bare... 07-15-2013, 12:21 AM
EmptyNester Update on New Boards 07-14-2013, 11:10 PM
EmptyNester Mach3 Integration 06-01-2013, 09:47 PM
EmptyNester Testing THC w/ Arduino Uno... 05-25-2013, 11:53 PM
EmptyNester Rev D & E Status 05-14-2013, 11:28 PM
sportbike Wow, that looks pretty good... 02-01-2013, 12:49 AM
EmptyNester Latest Update 01-11-2013, 12:17 AM
EmptyNester Working on Torch Control... 01-16-2013, 11:40 PM
EmptyNester Test Cuts with THC Control 01-25-2013, 12:57 AM
MuttonHawg This is a heck of a project -... 01-25-2013, 04:43 AM
agent4573 Sorry for taking so long, got... 01-25-2013, 07:34 PM
EmptyNester No problem, I completely... 01-25-2013, 07:51 PM
MuttonHawg Do you mean the sample rate... 01-25-2013, 08:21 PM
EmptyNester I was seeing variability... 01-25-2013, 08:57 PM
sportbike There is a post in the Pi... 01-26-2013, 10:20 PM
EmptyNester Kerf Detection Appears to Work 02-03-2013, 08:53 PM
Rambozo Very nice. I'm sure you can... 02-04-2013, 02:17 AM
furkanyilmaz Hi all, I made some cnc... 05-21-2015, 07:33 PM
EmptyNester Furkanyilmaz, I'll try to... 05-22-2015, 01:07 PM
furkanyilmaz Hi Rege, Thank you so much... 05-22-2015, 02:07 PM
none Although this thread looks... 08-19-2015, 12:20 PM
EmptyNester The micro-usb on the Arduino... 08-20-2015, 02:04 AM
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  1. #1

    Default

    If it's any help....my plasma cutter does have pilot arc start but when I was trying to get it to work with my CNC, everytime the plasma was switched on the Mach3 stopped with a limit switch warning. It took a long time to figure out what was causing it.....

    First I rewired every cable - to the steppers, limit switches, estop and plasma torch - with new, good quality, shielded cable...result was exactly the same! Then I tried .1uf caps on all the BOB inputs...this helped a little but still not right. Then I changed the input signal debounce in Mach3 general settings to 100...better but still not right.

    After much deliberation and sleepless nights I thought about the plasma torch...the 'beam' seemed much brighter with the machine torch I had fitted in place of the original hand torch....mmmm light bulb came on!

    The torch had been fitted with a 1.6mm nozzle instead of the 0.8mm nozzle suitable for my plasma machine...changed this and voila it all worked perfectly......

    Hope this helps in debugging your problem .....but I have read that HF start is notoriously bad for 'electronics' and only pilot arc is recommended for CNC.

  2. #2

    Default

    GerryMoore, all good info. I have heard by many HF is a pain to deal with. Decoupling and filtering is required. Common ground as well.

    Not to change the subject, but at $35 for the base board, has anyone thought about the Raspberry Pi for the main controller? I have 3 now and use one to open and close my garage from my android phone. Something to look at for sure. Runs Debian and Android I know, probably many other OS's. Anything smaller I would just make by hand. But it is a lot of bang for the buck.
    Mike R.
    Email: admineverlast@everlastwelders.com
    www.everlastgenerators.com
    www.everlastwelders.com
    877-755-9353 x203
    M-F 12 - 7PM PST
    FYI: PP50, PP80, IMIG-200, IMIG-250P, 210EXT and 255EXT.

  3. Lightbulb

    Wow thanks for all the grounding tips. I have a small pile of ferrite rings lying around I think I'll get him to try it. The ONLY digital signal we have (besides the steppers) is the relay to the torch on/off. If the signal is messing with the ground on the relay side, I can see that causing all sorts of reference problems with the driver board

  4. #4

    Default

    Thanks Empty
    Man you have tons of time in this.

    Have fun
    tom

    Everlast PM256
    Millermatic 180
    Hypertherm PowerMax 65 with machine torch
    Longevity Force Cut 80I
    DIY CNC table for plasma/routing
    13" metal lathe
    Small Mill
    ect, ect.

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