| 摘要 |
PROBLEM TO BE SOLVED: To provide a grinding machine capable of conducting desired grinding in the smallest number of processes possible without impairing roundness. SOLUTION: This grinding attachment is provided with a workpiece holding means 5 to hold a ring-shape workpiece 1 through the whole circumference of an inner diameter part and an end face, and an outer diameter grinding means 7 to conduct outer diameter grinding to an outer diameter part of a workpiece held by the workpiece holding means.
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