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TITLE(s): GRINDER OPERATOR, EXTERNAL, TOOL (machine shop) alternate titles: cylindrical grinder, tool; external-cylindrical-grinder operator; external grinder, tool; grinder, hand; outer-diameter grinder, tool; precision grinder, external Sets up and operates external grinding machines to grind external cylindrical and tapered surfaces of rotating metal workpieces, such as tool, die, and machine parts, usually for limited runs, analyzing blueprints and specifications and selecting tooling according to knowledge of external grinding procedures: Studies blueprint or layout on workpiece to visualize grinding to be done and plans sequence of operations. Selects grinding wheel, according to knowledge of metal properties and abrasives, and mounts wheel on spindle. Dresses wheel manually or with preset dressing device. Moves controls and reads dials to set angle of workpiece to grinding wheel. Positions and secures workpiece between centers, on magnetic chuck, or in chuck jaws, using wrenches. Selects and sets grinding wheel speed, work surface speed, and travel rate of powered table. Positions and tightens stops to set depth of grinding wheel cut and stroke of worktable. Moves controls to feed wheel to workpiece manually or automatically. Turns valve handle and directs flow of coolant against wheel and workpiece. Verifies dimensions of ground workpiece for conformance to specifications, using such measuring instruments as micrometers, dial indicators, and gauge blocks. May dress grinding wheel to specified profile for contour grinding, using special fixtures and tools. May grind nonmetallic materials. May operate tracer attachment to duplicate contours from templates or models. May be required to have experience with particular material, product, or precision level, or with machine of particular size, type, or trade name. May set up machines for other workers. May be designated according to type of machine operated as Roll Grinder Operator (machine shop). GOE: 06.01.03 STRENGTH: M GED: R4 M3 L3 SVP: 7 DLU: 78 ONET CROSSWALK: 89111 Tool Grinders, Filers, Sharpeners, and Other Precision Grinders |
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TITLE(s):
GRINDER OPERATOR, EXTERNAL, TOOL (machine shop) alternate titles: cylindrical grinder,
tool; external-cylindrical-grinder operator; external grinder, tool; grinder, hand; outer-diameter
grinder, tool; precision grinder, external
Sets up and operates external grinding machines to grind external cylindrical and tapered surfaces
of rotating metal workpieces, such as tool, die, and machine parts, usually for limited runs,
analyzing blueprints and specifications and selecting tooling according to knowledge of external
grinding procedures: Studies blueprint or layout on workpiece to visualize grinding to be done and
plans sequence of operations. Selects grinding wheel, according to knowledge of metal properties and
abrasives, and mounts wheel on spindle. Dresses wheel manually or with preset dressing device. Moves
controls and reads dials to set angle of workpiece to grinding wheel. Positions and secures
workpiece between centers, on magnetic chuck, or in chuck jaws, using wrenches. Selects and sets
grinding wheel speed, work surface speed, and travel rate of powered table. Positions and tightens
stops to set depth of grinding wheel cut and stroke of worktable. Moves controls to feed wheel to
workpiece manually or automatically. Turns valve handle and directs flow of coolant against wheel
and workpiece. Verifies dimensions of ground workpiece for conformance to specifications, using such
measuring instruments as micrometers, dial indicators, and gauge blocks. May dress grinding wheel to
specified profile for contour grinding, using special fixtures and tools. May grind nonmetallic
materials. May operate tracer attachment to duplicate contours from templates or models. May be
required to have experience with particular material, product, or precision level, or with machine
of particular size, type, or trade name. May set up machines for other workers. May be designated
according to type of machine operated as Roll Grinder Operator (machine shop).
GOE: 06.01.03 STRENGTH: M GED: R4 M3 L3 SVP: 7 DLU: 78
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