Job Description:

• 1) Sets up and operates one or more straight-tooth bevel-gear generating machines to cut and shape straight teeth on metal bevel-gear blanks, according to machining instructions and knowledge of gear generating procedures: Reads blueprint or machining instructions to determine machine settings, fixtures and cutters to use, and gear type, dimensions, tolerances, and number of teeth to be generated.

• 2) Mounts workpiece on arbor and positions it to cutting angle.

• 3) Positions and clamps two cutters in toolheads, and positions cutter cradle to specified angle, using wrenches.

• 4) Mounts gears and cams in machine to control rotation speed and indexing of workpiece, cutting speed, and rolling motion of cutter cradle.

• 5) Starts machine, turns valve handle, and directs flow of coolant against reciprocating cutters and workpiece.

• 6) Verifies conformance of machined gear to specifications, using micrometers, master gears, and special gear inspection equipment.

• 7) May compute such data as gear dimensions and machine settings, applying knowledge of shop mathematics.

• 8) May machine plastics or other nonmetallic materials.

• 9) May be required to have experience with custom or production work, or with particular material, product, or size, type, or trade name of machine.