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       CODE: 604.382-014 Buy the DOT:Download/CD-ROM
TITLE(s): SCREW-MACHINE OPERATOR, SINGLE SPINDLE (machine shop) alternate titles: bar-machine
operator, single spindle
Operates one or more previously set up single-spindle screw machines (type of lathe) equipped with
automatic indexing and feeding mechanisms to perform series of machining operations on metal
bar stock, following specifications: Reads blueprint and job order for such information as
dimensions, tolerances, and number of workpieces to be machined. Examines machine to become familiar
with tooling setup. Loads stock into feeding mechanism manually or with hoist. Starts machine and
observes operation. Verifies conformance of sample workpieces to specifications, using preset
gauges, micrometers, or dial indicators. Adjusts machine controls and changes tool settings to keep
dimensions within specified tolerances. Replaces worn tools. May operate bench grinder or
cutter-grinding machine to sharpen tools [TOOL-GRINDER OPERATOR (machine shop)]. May machine
plastics or other nonmetallic materials. May be required to have experience with particular material
or product or machine of particular size, type, or trade name. Differs from SCREW-MACHINE OPERATOR,
PRODUCTION (machine shop) in that this work is characterized by variety, with shorter runs and less
repetition.
GOE: 06.02.02 STRENGTH: M GED: R3 M2 L2 SVP: 5 DLU: 77
ONET CROSSWALK: 91117 Machine Tool Cutting Operators and Tenders, Metal and Plastic
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