Tend machines that twist metal bars and blades to specified shape.
What does a Twisting Machine Operator do?
Tends machine that twists metal bars, squares, and blades to specified shape: Clamps end of workpiece into stationary holding fixture. Slides carriage, lowers table, or raises spindle to adjust to length of workpiece and clamps other end of workpiece into chuck or fixture of drive spindle. Starts machine to rotate drive spindle and stops machine after specified number of turns or sets limit switch to stop machine. May install special fixtures and chuck to twist together two or more pieces. Examines finished work for conformance to specifications. May clamp end of workpiece in vise, slide pipe over workpiece to prevent longitudinal warping, and twist workpiece, using pipe wrench or twisting fork.