| 摘要 |
This invention has to do with apparatus for finishing a surface of revolution by the abrasion process and includes a spindle having a roughing abrasive wheel and a finish abrasive wheel, with means for dressing them individually, with the roughing abrasive wheel being dressed more frequently than the finish abrasive wheel, with a feed mechanism by which the force between the roughing abrasive wheel and the workpiece is regulated to a predetermined value, and with an in-process gauge terminating the feeding of the roughing and finish abrasive wheels.
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