Chucking-machine Set-up Operator
Overall rating: (N/A)
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Sets up and operates one or more single- or multiple-spindle
horizontal chucking machines (lathes) to perfrom series of
machining operations, such as turning, boring, threading, and
facing, on metal workpieces, such as castings, forgings and bar
stock, according to specifications, tooling instructions,
standard charts, and knowledge of turning procedures: Reads
blueprint, job order, tooling instructions, or standard charts
to determine product specifications, work-holding arrangement,
cutting speeds, feed rates, and cutting tools to be used.
Attaches speciifed chuck or chuck jaws to headstock, using
wrenches.
Moves controls, cams, and stops to set rotation speeds
and feed rates and to control tool and workpiece movement for
specified operations. Lifts workpiece manually or using hoist,
and positions and secures it in chuck. Turns handwheels to
position tools in relation to workpiece. Turns valve handle and
directs flow of coolant aganist tools and workpiece. Statrs
machine, and moves controls to adjust positions and movements of
tools during machine operation. Verifies conformance of turned
workpieces to specifications, using measuring instruments, such
as micrometers, calipers, and fixed gauges. May be required to
decide on sattion and timing of each operation to assure
efficient use of tools and time. May set up automatic device to
feed workpieces to machine.
May compute such data as dimensions,
rotation speeds, and feed rates, using knowledge of shop
mathematics and metal houses. Important variations are
custom or production work; size or trade name of machine
operated; types of metals or products machined; or work web site
(plant or job shop). May set up machines for ohter workers.
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Chucking-Machine Set-Up Operator
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