CIgweld Cutskill 60 - adapting to CNC use

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29 Mar 2021 06:14 #203978 by Joco
Thanks. The schematic on page 5 makes it all clear.
The following user(s) said Thank You: rodw

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31 Mar 2021 22:34 #204323 by Joco
Just a short little post on the insides of the Cutskill 60. The attached image shows the two key control connectors. I'm just working out the best way to splice into the loop that gives control of the torch on/off.

Any ideas welcome.

You can also see the torch connector in the lower center/right of the pic. Looks like it shouldn't be too much of a drama to get a lead off that and (hopefully the work lead which is behind the circuit board out of sight) to be able to create a voltage divider to feed the THCAD that will be mounted (I hope) inside the unit.

Cheers - J.
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31 Mar 2021 22:58 #204328 by rodw
YOu don't need a voltage divider. Just use the THCAD with an appropriate scaling resistor

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01 Apr 2021 02:04 #204347 by Joco
Another example of my lack of electrical whatsit.
Isn't the THCAD part of a voltage divider circuit? At least on its input side of things. With the scaling resistors essentially being part of that voltage divider circuit?
Or is there some other form electrical circuit in the mix that is essentially doing the same job? :blink:

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01 Apr 2021 02:17 #204348 by rodw
It sounded like you wanted to build a voltage divider and use the THCAD to When the THCAD scaling resistor is all you need per the formula in the thcad manual.
The following user(s) said Thank You: Joco

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15 Oct 2021 04:38 - 15 Oct 2021 04:40 #223162 by Joco
I have managed to have a little win with the Cutskill.  I decided to have a crack at splicing into the torch trigger connection located here on the circuit board.


You could do the T splices into the wires but I decided tofix wiring into the plug itself.


So after some mucking about I ended up with an external button as my "human powered relay".
 

Then connected the machine torch I had from AliExpress.
Here it is for anyone else interested in what to get for a Cutskill style plasma power source:
www.aliexpress.com/item/1005002211780814...1.0.0.27424c4djYGtBV
 


So .. after a little bit of trepidation as this was the VERY first time I was trying to fire this torch, I gave it a crack.
40AMP setting, air pressure per the manual.  And it WORKED.

 
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Last edit: 15 Oct 2021 04:40 by Joco. Reason: on going fights with this stupid backward step of an editor.

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15 Oct 2021 05:10 - 15 Oct 2021 05:12 #223165 by Joco
As a quick followup note, if you decide to purchase the torch I linked you NEED to request two of the pins to be changed.  Check their mappins and the mappinsg in your manual and request that change as part of the notes to the seller on placing the order.  Also check they are still offering to do these customisations.

In my case my request for the Cutskill 60 was:  Please change ARC pins from 1,4 to 5,6

Cheers - James.
 
Last edit: 15 Oct 2021 05:12 by Joco.

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