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介绍一般数控主轴设计过程,通过TH5650A主轴部件设计中主轴和轴承的设计选用实例,推导出相关的计算公式;进行了结构尺寸的设计;计算了轴承寿命及温升有关的轴承动摩擦扭矩,校核了刚度、精度、转速及寿命。
Introducing the general CNC spindle design process, through the design example of the main shaft and bearing in the design of the main shaft of TH5650A, the relevant calculation formulas are deduced; the design of the structure dimension is carried out; the dynamic friction torque of bearings related to bearing life and temperature rise is calculated; The stiffness, accuracy, speed and life expectancy.