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Key to shaft diameter and bearing bushing

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The key shaft diameter of the shaft diameter is generally cylindrical; the demand for surface roughness is relatively high; therefore, it is necessary to pass the fine grinding on the outer diameter of the shaft diameter; the rotation direction of the workpiece (shaft diameter) during grinding should be the rotation direction when the shaft diameter is working. If the surface roughness of the shaft diameter after finishing grinding is not enough, it can be ground or polished. The shaft diameter data should be satisfactorily hardness after heat treatment; for grinding and polishing. The key bearing shaft of the bearing hole is generally soft; the inner cylindrical surface should not be processed by grinding; it can be selected by boring, diamond boring, scraping or grinding. The method of matching with the shaft diameter should not be used for grinding; Specially made pliers with the same dimensions and dimensions as the bearing holes. Scraping is mostly used for some bearing; for wide-blade scraper. When scraping with craftsmanship; scratches should be shallow. Shafts with internal and external shapes should be selected according to the detailed shape. Special boring method.

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