Based on the gear reducer, shaft, bearings, and checking, the article gives the design and calculation.
基于减速器的齿轮、轴、轴承、及其校核，文章给出了设计和计算。
Motor movements of the options and checking, rope choice and calculation of the design is key.
升降部分的电机选择和校核，钢丝绳的选择和计算也是本设计重点。
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。
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