Job Description:

• 1) Sets up and operates one or more spiral-bevel gear generating machines to cut and shape spiral or hypoid teeth on metal bevel-gear blanks according to specifications, machining instructions, and knowledge of gear types and generating procedures: Reads blueprint or machining instructions to determine gear type, dimensions, and number of teeth, and machine settings and cutter to be used.

• 2) Clamps workpiece in fixture or presses it on arbor, and positions it to cutting angle.

• 3) Positions and secures cutter on spindle in relation to workpiece, using wrenches and turning handwheels.

• 4) Moves levers to set cutter and workpiece rotation speeds in relation to each other.

• 5) Mounts gears, cams, or templates in machine to control indexing of workpiece and rolling motion of cutter.

• 6) Starts machine, turns valve handle, and directs flow of coolant against cutter and workpiece.

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

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

• 9) May machine plastics or other nonmetallic materials.

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