Essential shape of the small turning shaft parts is analysed, the united mathematical model is put forward and applied to describing these parts longitudinal automatic single spindle lathe.
对小型回转体类零件的基本形体进行了分析，提出了与其统一的数学模型，并将其用于描述单轴纵切自动车床加工的小型回转体类零件。
Spindle box medium is the key parts of the lathe spindle.
主轴箱中等主轴是车床的关键零件。
This equation is useful in determining the kinematic linkage between the lathe spindle and the lead screw and enables proper selection of the gear train between them.
这公式在决定车床心轴和丝杆之间的运动学关系时很有用，并且提供了正确挑选它们之间轮系的方法。
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