Thread-milling-machine Set-up Operator
Overall rating: (N/A)
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Sets up and operates thread-milling machine to mill threads on
external and internal surfaces of metal workpieces, applying
knowledge of thread types and thread-milling methods: Studies
blueprints, charts, drawings, and work orders to detremine pitch
and depth of thread, and type of tooling specified.
Lifts
workpiece to fixture and bolts or clamps it in place, using
handtools.
Selects and inserts cuttnig tool in machine spindle.
Sets and adjusts speed of cutting tool and feed rate of
workpicee.
Positions cutting tool and workpiece to copmuted
angles, and installs gears, cams, and stops to control multiple
movements of workpiece and cutting tool.
Starts machine and
inspects workpiece during and on completion of milling
operation, using measuring instruments, such as thread gauge and
thread measuring wires.
Removes milled workpiece from fixture.
May compute trhead dimensions, using standard formulas.
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Thread-Milling-Machine Set-Up Operator
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