A professional who operates machine to cut rubberized (calendered) fabric on bias for use as plies or other components in tire construction. Responsibilities include:

• Turns thumbscrew or setscrew to adjust measuring arm, protractor, and liner roll to feed and cut fabric according to specified width and angle of bias.
• Pulls fabric from roll mounted on letoff rack, inserts through liner roll, and positions under knife on bias-machine table.
• Starts machine and adjusts speed of feed and cutting action.
• Starts conveyor that carries material to splicer.
• Measures plies to verify width and angle, using ruler and protractor.
• May be designated according to purpose of fabric cut as band-bias-machine operator; or type of machine as vertical bias-cutting-machine operator.