Precision machining parts composed of parts which generally consists of

Precision machining parts composed of parts which generally consists of

Precision machining parts manufacturing and repair: the manufacture and repair a variety of tools, fixtures, measuring tools, molds and a variety of professional equipment

In operation, fitter, precision machining parts filing account for a large proportion of manufacturing precision parts machining can be said that every workpiece are inseparable from the filing. Filing and processing of a wide range. It can be processed inside and outside the plane of the workpiece, the inner and outer surfaces, inside and outside corners, grooves and a variety of complex surface shapes. Although the rapid development of modern technology, but is still used for filing individual parts in the assembly process for a rest, repair, used under certain conditions for small batch assembly process complex shape parts processing, and is used to mold production, etc. . Thus filing in modern industrial production still accounts for a very important position. There are many fine teeth, bar, hand tools for the filing of light on the surface of the workpiece. For metal, wood, leather, and so do the surface micro machining
Rasp application early, the oldest rasp precision machining parts has been found that around 1500 BC bronze rasp Egypt
Modern rasp commonly used carbon steel by rolling, forging, annealing, grinding, cutting teeth and hardening processes from processing

Rasp commonly used materials: carbon tool steel precision machining parts T12, T12A, T13A, after quenching hardness up to 62HRC above

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