我厂一产品装配简图如图1所示，其壳体材料为铝合金，D孔外段处装有密封件，阀套外径处带有4个密封件，其内孔装有阀芯组件，在阅套外露台阶空刀稽处为阀套装配及分解体时用的夹持部位。由于突持部位空间活动范围较小，当产品调试中如在脚套部分出现故障时，用一般方法是无法取 I plant a product assembly diagram shown in Figure 1, the shell material is aluminum alloy, D hole outside the seal is installed at the outer diameter of the valve sleeve with 4 seals, the hole is equipped with a spool Components, in the exposed set of steps exposed knife office for the valve assembly and disassembly of the body used when clamping parts. Due to the sudden movement of the small parts of space, when the product debugging such as the fault in the parts of the foot, the general method is unable to take