A kind of dressing method of arc-shaped diamond grinding wheel

Abstract

A circular-arc-shaped diamond grinding wheel dressing method comprises the steps that 1, micro water guide laser parameters are set, and tool setting is conducted; 2, radial rough modification is conducted, specifically, the working surface of a grinding wheel is equally divided into a plurality of cross sections which are L wide in the axial direction of a parallel grinding wheel, according to the different depths of feeding, in the axial direction of the grinding wheel, of the laser water beam, different depths H of abrasive layers are removed from the cross sections in sequence, and finally, the parallel grinding wheel is formed into a circular-arc-shaped grinding wheel through rough modification; 3, the surface profile precision of the grinding wheel is detected, height information ofall points on the surface is obtained, and tool setting is conducted; 4, cutting direction precise shaping is conducted; 5, micro water guide laser technology parameters are set, and tool setting is conducted; and 6, radial sharpening is conducted. According to the method, the high-energy high-density laser beam is guided through the water beam to remove the grinding wheel material in the fusion and gasification modes, a laser water beam variable rate scanning mathematic model is disclosed, the abrasive particle exposure height consistency is ensured, the dressed grinding wheel is good in surface appearance, the dressing precision is high, in addition, the dressing quality is ensured through water beam cooling, and energy saving and environmental protection are achieved.

Description

technical field [0001] The invention belongs to a dressing method of a grinding wheel, and in particular relates to a dressing method of an arc-shaped diamond grinding wheel. Background technique [0002] In recent years, with the rapid development of the global 3C industry, the demand for digital products has increased significantly. Traditional optical components such as spherical mirrors and flat mirrors have been gradually replaced by aspherical glass lenses due to constraints in imaging quality and resolution. The use of aspheric parts in the optical system can improve the optical characteristics, improve the imaging quality, reduce the number of optical parts, thereby simplifying the system structure, reducing the system volume, and it is lighter and more beautiful in appearance. Ultra-precision grinding technology based on shaped diamond grinding wheel It is an effective means of its preparation. The diamond grinding wheel includes an abrasive layer 3 and a substrate...

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to provide a dressing method for an arc-shaped diamond grinding wheel to solve the problems of low dressing efficiency, poor dressing quality and limited application range in the traditional mechanical dressing method and laser and other special dressing methods proposed in the background technology. The problem

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