Tend band-seating machines that roughen grooves of artillery shells.
What does a Knurling Machine Operator do?
Tends band-seating machine that roughens grooves of artillery shells so that brass or copper bands affixed by BANDING-MACHINE OPERATOR will secure shell and rotate it when fired: Positions shell in chuck of lathe and tightens chuck, using wrench. Moves machine controls to start shell rotating and engage feed of knurling tool. Presses and releases pedal when band seat is sufficiently scored and removes processed shell from chuck.