往复螺旋注塑成型机被认为由两部分组成：一个固定注塑端和一个活动夹具端。
The reciprocating screw injection molding machine is considered as consisting of two halves: a fixed injection side, and a movable clamp side.
介绍了一种汽车转向器中齿轮活塞上内螺旋滚道加工的专用夹具。
A special fixture for the processing of internal spiral raceway in the gear piston of car steering gear was introduced.
针对较难加工的螺旋线和出油槽等难加工部位，设计并研制了专用工装夹具，并取得了满意的加工效果。
In order to machine the difficult spires and slots, special clamps were designed, and satisfactory machining results were achieved.
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