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Cup Trimming Machine Operator

Tend speed lathes to perform cutting-off operations on aluminum cups.

What does a Cup Trimming Machine Operator do?

Tends speed lathe to perform cutting-off operation on aluminum cups to be used as component parts of projectile and bomb fuses: Inserts blank cup into revolving spring collet in headstock of machine, using jig. Removes jig, causing collet to secure cup. Depresses pedal to bring cutting tool in contact with revolving cup and cut it to specified length. Removes cup from machine.