Combined plating CBN grinding wheel for camshaft grinding and manufacturing method thereof

Abstract

The invention discloses a combined plating CBN grinding wheel for camshaft grinding and a manufacturing method thereof, belonging to the technical field of design and manufacture of abrasive grindingtools. The combined plating CBN grinding wheel for camshaft grinding comprises a camshaft and a combined plating CBN grinding wheel sleeving a main shaft for grinding different parts of the camshaft;one side, far away from the combined plating CBN grinding wheel, of the camshaft is abutted against a guide wheel; the combined plating CBN grinding wheel comprises a grinding wheel for grinding big end excircle and end face, a grinding wheel for grinding big end excircle journal and a plurality of grinding wheels for grinding excircle journal; and the molded surfaces of the grinding wheel for grinding big end excircle and end face and the grinding wheel for grinding big end excircle journal are matched. The invention is suitable for one-time grinding of a plurality of excircle journals of thecamshaft, can process a plurality of journals and big end of the camshaft at a time, improves the processing efficiency and ensures the surface roughness of the processed workpiece being smaller thanRz 10.

Description

technical field [0001] The invention belongs to the field of design and manufacture of abrasives, and relates to a combined electroplated CBN grinding wheel for camshaft grinding and a manufacturing method thereof. Background technique [0002] With the rapid development of my country's automobile industry, the demand for engine camshafts has also increased significantly, and the requirements for processing quality and efficiency of camshafts are getting higher and higher. In the current camshaft manufacturing process, some automobile manufacturers need to use a grinding wheel to grind multiple outer journals of their camshafts in a single pass. The current grinding process for the camshaft outer circle journal in the market is the process of turning or milling first and then grinding the shaft diameter. Generally, there are 6-20 parts of the camshaft outer circle that need to be ground, so a single grinding, the efficiency lower. And the grinding wheel has deficiencies in...

AI Technical Summary

Problems solved by technology

The current grinding process for the camshaft outer circle journal in the market is the process of turning or milling first and then grinding the shaft diameter. Generally, there are 6-20 parts of the camshaft outer circle that need to be ground, so a single grinding, the efficiency lower

Moreover, the grinding wheel has deficiencies in several aspects such as grinding line speed, feed rate, difficulty in controlling the size of each journal after grinding, and surface roughness.

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