The structure features of the air spring on PW200K bogies are described. The design improvement and strength checking calculation are made for the part.
介绍了PW 200k型转向架空气弹簧复合座的结构特点，对该部件进行了改进设计和强度校核计算。
Checking its strength, rigidity and critical speed, correct selecting its tolerance and fit are necessary in a mix axle's design, by which the axle's normal operation and least cost can be ensured.
搅拌轴的设计，必须进行强度、刚度和临界转速的校核，还要正确选择轴的公差配合，只有这样，才能保证轴既能正常运转，又能追求最低的加工成本。
The main contents include the process calculation, tower's structural design, strength design and checking the stability of tower and so on.
其塔体为绕带式，设计的主要内容包括工艺计算、塔的结构设计以及塔的强度设计和稳定性校核等。
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