Job Description:

• 1) Tends pair of semiautomatic cylindrical grinders that grind typewriter and adding machine rubber platens and feed rollers to specified diameter and finish: Mounts platen between driving head and tailstock and trips lever causing carriage to bear platen against and across grinding wheel for coarse grind and rough finish.

• 2) Removes platen, mounts it in second machine equipped with finer grit wheel, and grinds platen to specified diameter and desired finish.

• 3) Examines finished platen for smoothness and for defects in rubber, such as scratches, graining, or holes.

• 4) Measures platen for conformance to specified diameter, using C-gage.

• 5) May tend double-bladed cutting device to trim excess rubber from ends of platen.

• 6) May tend machine that grinds and finishes platens and rollers in single operation.