The main structure of JM-203 nailing machine is stated briefly, the pneumaticalsystem is stressed and the technology improvement is analyzed during the trial-manufacture.
简述了JM - 203钉角机的主要结构，重点介绍了其气动系统，并分析试制过程中的技术改进情况。
2
Methods of increasing damping radio are introduced for fluid power system, and the pneumatical proportional servo system with variable damping ratio is put forward.