Hand Tool Lapper: A description for the hand tool lapper job

Benchwork Jobs » Jobs In Fabrication Assembly And Repair Of Metal Products Nec » Filing Grinding Buffing Cleaning And Polishing Jobs Nec » Hand Tool Lapper

Hand Tool Lapper – Lap hand, tool, precision lap hand Laps metal objects, for example gauges and machine parts, to specifications within tolerances as fine as 0.00001 inch, applying knowledge of abrasives and lapping procedures: Measures workpiece with instrument, for example optical comparator, compares workpiece dimensions with specifications to ascertain amount of stock to be removed, and estimates number of lapping strokes required. Mounts workpiece in fixture, or in power-driven mechanism, using wrenches and keys, and positions work aids, for example parallel bars and rods to guide motion of lap I or workpiece. Files grooves in surface of lap to hold lapping compound. Applies compound to workpiece and rubs lap across workpiece with rotary or reciprocating motion, feeling friction and applying required pressure based on previous experience, to attain specified tolerance. Measures workpiece to verify conformance to specifications, using special gauges. Straightens or polishes rods by inserting and pressing them between two rollers with lapping compound.

Job industry: machine shop

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