Job Description and Jobs
- 1) Sets up and operates battery of ball-truing machines to grind bowling balls spherically to size and smooth them preparatory to finishing and polishing: Installs conical grinding rings on opposing spindles and adjusts clearances and angle of cut, using wrenches and gauges.
- 2) Places rough cast ball on holding pad between grinding rings and turns valve to start cooling water to flow over ball.
- 3) Starts machine and moves dial pointer to preset running time cycle on each quadrant of ball.
- 4) Removes ball from holding pad and gauges it with ring or calipers and rule to ensure specified size tolerances.
- 5) May mark imperfections on ball to be drilled and plugged, using crayon.
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Job Number: 8098