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The lathe tooling was designed and built to weld
a valve assembly that has an electric motor inside. Also the valve
had glass feeds that could possibly crack during welding. The motor
could not reach a temperature above 350 degrees Fahrenheit during
welding. A PLC was used to sequence the clamping, lathe rotation,
find home position and reverse the rotation back to home after welding.
The system included an operator pendant for shield gas purge, lathe rotation
forward/reverse, sequence stop, weld/no weld, home, dual palm buttons, torch
tower and tailstock switches.
The welding was done with a Maxstar 200LX and PWS DT-100 weld controller. All
electronics are hardened against HF noise.
Contact PWS for lathes with
special tooling and fixtures.
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