Quote:
Originally Posted by paly
Our CNC loses it's zero when our welder, which is stationed about 5 feet away from there, turns on. Interference by a welder or any other heavy tools is definitely possible.
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Everyone here is on the right path, it is interference. Find out what circuit you are plugged into and make sure you don't run anything else on that circuit.
I used to design CNC machines and I had one that kept drifting during a test and randomly losing it's 0. Couldn't figure it out for the life of me. Took it apart several times, changed all the motors, changed out wires....
Some one else was making parts on a machine a few minutes away and kept using a shop vac to clean up the chips...culprit found.
The shop vac was plugged into the same circuit.
Good luck!