Gear Hobber Set-Up Operator
Set up and operate gear hobbing machines.
Sets up and operates one or more gear hobbing machines to machine splines or gear teeth on metal blanks according to specifications, machining instructions, and knowledge of gear hobbing procedures: Reads machining instructions or blueprints to determine machine settings, fixtures and hobs to use, and gear specifications, such as dimensions and tolerances. Clamps workpiece in fixture or presses it on arbor and mounts arbor between centers. Positions and secures specified hob on arbor in relation to workpiece, using wrenches. Moves levers or mounts gears in machine to set feed rates and rotation speeds of hob and workpiece following machining instructions. Turns handwheel to feed hob to workpiece or vice versa, and engages automatic feed. Turns valve handle and directs flow of coolant against hob and workpiece. Verifies conformance of hobbed gears to specifications, using micrometers, gear measuring wires, master gears, and involute checker. May compute data, such as gear dimensions and machine settings, applying knowledge of shop mathematics. May machine plastic or other nonmetallic materials. May be required to have experience with custom or production work, or with particular material, product, or size, type, or trade name of machine.
Personality Traits
Detail Oriented: You pay close attention to all the little details.
Ready for a Challenge: You jump into new projects with initiative and drive.
Independent: You enjoy flying solo and doing things your own way.
Salary and Education
Nationally: $21,000 – $48,000
Main education level: Certificate
source: US Dept of Labor
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