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[u]depressed grinding disc in stock[/u] is also a kind of high-efficiency grinding. The grinding efficiency is increased by increasing the grinding width.
The width of the depressed grinding disc in stock is only 50mm, and the width of the grinding wheel is 300mm. The width of the depressed grinding disc in stock can reach 40 mM in surface grinding and 800-1000 mM in centerless grinding. Force cutting and internal grinding are generally used in cylindrical and plane grinding. Besides the method of cutting people, the dimension precision of workpiece can reach 6 grades and the surface roughness can reach 6 grades Ra 0.06um in through grinding.