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TITLE(s): GRINDER OPERATOR, TOOL (machine shop) alternate titles: precision grinder Sets up and operates variety of grinding machines, such as external, internal, and surface grinders, to grind metal workpieces, such as machine parts, dies, or tools, according to knowledge of grinding procedures: Studies blueprint or layout on workpiece to visualize grinding to be done, and plans sequence of operations. Selects grinding wheel, applying knowledge of abrasives and metal properties, and secures it on spindle, using wrench. Dresses wheel with dressing device. Lifts workpiece manually or with hoist, and positions and secures workpiece to holding device, using wrenches and clamps. Selects feed rates, grinding speeds, depth of cuts, and grinding wheel of size, shape, and grade for each operation, applying knowledge of metal properties, abrasives, product specifications, and shop mathematics. Positions and tightens stops to limit travel of workpieces or grinding wheel. Moves controls to position wheel and workpiece in relation to each other, and to set feed, speed, and depth of cut. Starts machine, turns handwheel to feed grinding wheel to workpiece or vice versa, and engages power feeding device. Turns valve handle and directs flow of coolant against wheel and workpiece. Observes operation and adjusts position and action of wheel and workpiece. Verifies dimensions of ground workpieces for conformance to specifications, using measuring instruments, such as templates, micrometers, dial indicators, and gauge blocks. Works to tolerances of plus or minus 0.0001 inch. May measure, mark, and scribe workpiece to lay it out for grinding [LAY-OUT WORKER (machine shop) 600.281-018]. May dress grinding wheels to complex profiles, using special fixtures and tools. May grind nonmetallic materials, such as plastics. May operate tracer attachment to duplicate contours from templates or models. May be required to have specialized experience with particular materials, product, or precision level or with machine of particular size, type, or trade name. GOE: 06.01.03 STRENGTH: M GED: R4 M4 L3 SVP: 7 DLU: 77 ONET CROSSWALK: 89111 Tool Grinders, Filers, Sharpeners, and Other Precision Grinders |
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CODE: 603.280-018 Buy the DOT: Download
TITLE(s):
GRINDER OPERATOR, TOOL (machine shop) alternate titles: precision grinder
Sets up and operates variety of grinding machines, such as external, internal, and surface
grinders, to grind metal workpieces, such as machine parts, dies, or tools, according to knowledge
of grinding procedures: Studies blueprint or layout on workpiece to visualize grinding to be done,
and plans sequence of operations. Selects grinding wheel, applying knowledge of abrasives and metal
properties, and secures it on spindle, using wrench. Dresses wheel with dressing device. Lifts
workpiece manually or with hoist, and positions and secures workpiece to holding device, using
wrenches and clamps. Selects feed rates, grinding speeds, depth of cuts, and grinding wheel of size,
shape, and grade for each operation, applying knowledge of metal properties, abrasives, product
specifications, and shop mathematics. Positions and tightens stops to limit travel of workpieces or
grinding wheel. Moves controls to position wheel and workpiece in relation to each other, and to set
feed, speed, and depth of cut. Starts machine, turns handwheel to feed grinding wheel to workpiece
or vice versa, and engages power feeding device. Turns valve handle and directs flow of coolant
against wheel and workpiece. Observes operation and adjusts position and action of wheel and
workpiece. Verifies dimensions of ground workpieces for conformance to specifications, using
measuring instruments, such as templates, micrometers, dial indicators, and gauge blocks. Works to
tolerances of plus or minus 0.0001 inch. May measure, mark, and scribe workpiece to lay it out for
grinding [LAY-OUT WORKER (machine shop) 600.281-018]. May dress grinding wheels to complex profiles,
using special fixtures and tools. May grind nonmetallic materials, such as plastics. May operate
tracer attachment to duplicate contours from templates or models. May be required to have
specialized experience with particular materials, product, or precision level or with machine of
particular size, type, or trade name.
GOE: 06.01.03 STRENGTH: M GED: R4 M4 L3 SVP: 7 DLU: 77
ONET CROSSWALK: 89111 Tool Grinders, Filers, Sharpeners, and Other Precision Grinders
© 1995 - 2015 Photius Coutsoukis and Information Technology Associates (All Rights Reserved). Revised 26-May-03