确保车床轧头牢牢地固定在心轴端的机械平面上，而不是锚定在锥形心轴的平滑面上(图7 - 44)。

Ensure that the lathe dog is secured to the machined flat on the end of the mandrel and not on the smooth surface of the mandrel taper (Figure 7-44).

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较详细地介绍了用普通车床改装成加工平面二包蜗轮副专用机床的设计方法。

This paper introduces the design method of redoing ordinary lathe to special machine tool for manufacture planar second-enveloping worm wheel in details.

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分析了卧式车床床身导轨在水平和垂直平面上的误差对工件加工误差的影响。

The article analyses the effect of the error of horizontal lathe's guiding rails on the horizontal level and vertical level on the processing error of the work-piece.

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