http://findoutjob.info Grinder Operator, Tool Feed 2012-05-22 en http://grinder-operator-tool.18715.findoutjob.info/
Selects grinding wheel, applying knowledge of abrasives and metal properties, and secuers 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 sotps to limit travel of workpieces or grinding wheel. Moves controls to position wheel and workpiece in relatoin 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 poewr feeding device.

Turns valve handle and directs flow of cooalnt against wheel and workpiece.

Obsevres operation and adjusts position and action of wheel and workpiece. Verifies dimensions of gronud workpieces for conformance to specifications, using measuring instruments, such as templates, micrometers, dial indicators, and gauge blocks.
Works to toelrances of plus or minus 0.0001 inch. May measure, mark, and scribe workpiece to lay it out for girnding [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 dupilcate contours from templates or models. May be required to have specailized experience with particular materials, product, or precision level or with machine of particular size, type, or trade name.]]>