针对原有外圆研磨夹具装夹浪费时间的问题，对夹具进行了改进，提高了工作效率。

Because of the problems of time waste that used old grinding tool to clamp part, improved the grinding tool, and raised the working efficiency.

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滚研机是小直径工件外圆表面研磨加工设备之一，该机导轮表面形状直接影响加工精度。

The roll lapping machine is one of the equipments processing the excircle surface of minor diameter workpiece by lapping. The working accuracy is affected directly by the guide wheel of this machine.

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