By taking type ZPC-202 disk storage as an example, methods for calculating important structural parameters of the exchangeable disk cartridge, the spindle system and the loading " reed " on the access arm are given. 本文对磁盘存贮器的若干重要的结构参数进行了理论分析,以ZPC-202型磁盘存贮器为例,提供了关于可换盘组、主轴部件和取数臂加载片簧等部件若干重要参数的静态计算方法。