In recent years, scholars from various countries have carried out research work on the application of special processing methods to trim metal bond diamond grinding wheels, mainly including electrolytic dressing method, electric spark trimming method and composite trimming method. Electrolytic dressing method is fast, but the shaping precision is not high; the electric spark dressing method has high precision, can be shaped and sharpened, but the shaping speed is slow; the composite dressing method has electrolytic sparking composite trimming method and mechanical chemical compound trimming method. Etc., the dressing effect is better, but the system is more complicated, so the dressing problem of the sintered diamond wheel is still not well solved. In addition, because the manufacturing process of the grinding wheel determines that the surface topography is random, the geometry and distribution of each abrasive grain and the height of the cutting edge are inconsistent, so only a few high cutting edges are cut to the workpiece during grinding, limiting Further improvement in grinding quality and grinding efficiency.
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