Gear tooth face serious wear new gear should be changed, if only gear at both ends of the plane wear, can be in surface grinding machine on grinding repair light.

齿轮齿面严重磨损时应更换新齿轮，如果只是齿轮的两端平面磨损，可在平面磨床上磨削修光。

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When using grinding wheel face grinding, grinding machine spindle according to vertical layout.

当采用砂轮端面磨削方式时，磨床主轴按立式布局。

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The polishing and grinding for curved face device is given based on these turning joints, of numerical control milling machine with three linear coordinates.

介绍了转动关节的基本结构和工作原理，给出了以转动关节为基础的三坐标数控铣床的曲面抛磨装置。

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