The 24 VDC coil of the contactor is controlled by a homebrew current sensor made from a huge toroid ferrite core wrapped with 20 turns of 6 AWG welding ... many CNC plasma cutter tables before ...
The table itself is built out of aluminum and designed to be built without welding even ... with a homemade CNC machine in mind which [Daniel] is working on. The CNC plasma cutter needs a sturdy ...
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