Rough and Trueing Machine Operator

Tend grinding machines that smooth and true bowling balls.

What does a Rough and Trueing Machine Operator do?

Tends grinding machines that smooth and true bowling balls: Lifts ball onto work bench. Removes excessive molding from ball, using hand power grinder. Places ball between abrasive jaws of grinding machine. Starts machine and observes grinding operation. Stops machine and measures size of ball, using gauge. Removes ball from machine at end of grinding and smoothing cycle, and places ball in rack.