Building a chain driven Plasma table.

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29 Jul 2021 10:34 #216206 by rodw
Stepper wires need to be 4 core shielded or you will guarantee countless hours chasing random issues
Don't forget to order the pins for those connectors. They are designed to be crimped and the tool is expensive.
You can also look at the Weipu SP-21 (12 pin) plugs and sockets. They come in sets. 
I would get some 9 core shielded cable and use it for your sensor wiring etc and the CPC interconnect cable.
Cat 5/6 is not that robust.

 
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29 Jul 2021 11:15 #216210 by phillc54
Shielded motor wires is probably good practice.
Having said that I don't have shielded cables on any of my machines.
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29 Jul 2021 11:29 #216211 by snowgoer540

Don't forget to order the pins for those connectors. They are designed to be crimped and the tool is expensive.


I made my CPC connecter cable from parts from Mouser here in the States. I used 22 Gauge 6 wire, 3 individually insulated pairs with overall insulation around the 3 insulated pairs. Probably unnecessary, but it's what I had on hand.

The pins are are designed to be crimped, but I soldered mine and squeezed the open end around the insulation a bit. That works perfectly fine, arguably a soldered connection is always better than a mechanical one.

Saved a bundle the CPC cord from Hypertherm is a bit pricey.
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29 Jul 2021 11:48 #216213 by Creative25
In my case pins were already included.

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