后桥壳镗琵琶孔夹具的改进

The improvements of tongs for boring lute hole of rear-axle housing

原汽车后桥壳镗琵琶孔夹具的两端顶尖只能对单一尺寸的后桥壳进行定位,现对原夹具顶尖进行改进设计,改为组合式顶尖,加工不同型号的后桥壳时,可随时更换与之对应的顶尖,简单、灵活、方便、适用范围广。

The two core clampers of tongs for boring lute hole of rear-axle housing can fixing for rear-axle housing for single size only.After improving, the combined type core clampers can machining different types rear-axle housings when replacement the corresponding core clampers at any time. This can apply wide range and simplicity and facility