The line contact on a grinding wheel forms the grinding line, the workpiece lies flush with the regulating wheel and is held in place from below by a guide rail.

　
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  • 無(wú)心磨削時(shí),工件外圓表面在被加工的同時(shí)還被進(jìn)行引導:與砂輪的線(xiàn)接觸形成磨削線(xiàn),這時(shí)工件靠在導輪上,并被支承導軌從下面支持。
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