Tool Grinders, Filers, and Sharpeners

Perform precision smoothing, sharpening, polishing, or grinding of metal objects.

Job Task

• Sets-up, operates, and adjusts grinding or polishing machines to grind metal workpieces, such as dies, parts, and tools.
• Dresses grinding wheel, according to specifications.
• Tends machine that grinds, files, or polishes workpiece.
• Files or finishes surface of workpiece, using prescribed hand tool.
• Observes and listens to machine operation to determine whether adjustments are necessary to ensure workpieces meet specifications.
• Selects and mounts grinding wheels on machines, according to specifications, using hand tools and applying knowledge of abrasive and grinding procedures.
• Examines and feels surface of workpiece to verify grinding meets specifications.
• Straightens workpiece and removes dents in workpiece, using straightening press and hammers.
• Turns valves to direct flow of coolant against cutting wheel and workpiece.
• Computes number, width, and angle of cutting tool, micrometer, scales, and gauges and adjusts tool to produce specified cuts.
• Measures and examines workpiece to verify that dimensions meet specifications.
• Studies blueprint or layout of metal workpiece to visualize grinding procedure and plan sequences of operations.
• Places workpiece in electroplating solution or applies pigment to surfaces of workpiece to highlight ridges and grooves.
• Duplicates workpiece contours, using tracer attachment.
• Removes and replaces machine parts, using hand tools.
• Forms specified section of workpiece and repairs cracks in workpiece, using welding or brazing equipment.
• Fits parts together in preassembly to ensure dimensions are accurate.
• Inspects dies to detect defects, assess wear, and verify specifications, using micrometers, steel gauge pins, and loupe.
• Removes finished workpiece from machine and places in boxes or racks, depending on size of workpiece.
• Cleans and lubricates machine parts.

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