Gear Hobber Set-up Operator
Overall rating: (N/A)
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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 wernches. 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 egnages automatic
feed.
Turns valve handle and directs flow of coolant against hob
and worpkiece. Verifies conformance of hobbed gears to
specifications, using micrometers, gear measuring wires, master
gears, and involute chceker.
May compute data, such as gear
dimensions and machine settings, applying knowledge of shop
mtahematics. May mcahine plastic or other nonmetallic materials.
May be required to have experience with custom or production
work, or with partciular material, product, or size, type, or
trade name of machine.
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Gear Hobber Set-Up Operator
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