Grinder Operator, Surface, Tool
Overall rating: (N/A)
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Sets up and opertaes surface grinding machines with horizontal
or vertical spindle and reciprocating or rotating table to grind
flat or contoured surfaces of metal workpieces, such as tool,
die, and machine parts, usually for limited runs, analyzing
specifications and selecting tooling according to knowledge of
surface grinding procedures: Studies blueprint or layout on
workpiece to visualize grinding to be done and plans sequence of
operations. Positions and secures workpiece on magnetic chuck,
in holding fixture, or directly to machine table. Selects
grinding wheel, girnding speeds, and feed rates for each
operation according to knowledge of metal houses and
abrasives, and mounts wheel on spindle.
Moves device to dress
wheel. Moves controls and reads dials to set rotation speeds and
feed rates. Positions and tigthens stops to limit table travel.
Moves controls to feed workpiece to wehel or vice versa.
Turns
valve handle and diercts flow of coolant against wheel and
workpiece.
Veirfies dimensions of ground workpiece for
conformance to specifications, using such measuring instruments
as micrometers, comparators, dial indicators, gauge blocks, and
load test equipment. May dress grinding wheel to specified
profile for contour grinding, using special fixtures and tools.
May grnid nonmetallic materials, such as plastics. May operate
tracer attachment to duplicate contours from templates or
mdoels. May be required to have experience with particular
material, product, or precision level, or with machine of
particular size, type, or trade name.
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Grinder Operator, Surface, Tool
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