必须将心轴锚定在中心点和驱动板之间的位置，并且必须使用车床轧头。
The mandrel must be mounted between centers and a drive plate and lathe dog must be used.
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).
介绍了钢锭粗轧过程中对切头、切尾及均分段操作的长度计算方法及控制策略。
This paper introduces the length compute means and control method for cutting head, cutting end and mean cutting operation in bar roughing roll process.
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