摘  要
 
本设计是对JZ-12L-02零件的加工和夹具设计。 主要加工部位可以说是平面和孔加工。在一般普通情况下，确保比保证精密加工孔更加容易。 原以此，设计遵循的原则是先加工面后加工孔表面。 主要的流程安排是支持在定位孔过程中的第一个，然后进行平面和孔定位技术支持上加工孔。 整个过程是一个组合的选取工具。 专用夹具夹具的选取，有自锁机构，原以此，更高的生产力，对于大批量，达到设计给定的要求。
 
关键词：JZ-12L-02零件；工艺；夹具；

ABSTRACT
The foundation design of special fixture design the design of special fixture for the design of the check valve parts machining process. The main parts of the processing can be said to be machined surface and hole. In the ordinary circumstances, ensure more easily than guarantee precision machining hole. The original order, design principle is first machined surface after machining hole surface. The main flow arrangement is supported in the positioning hole of the first, and then the processing hole plane and the hole positioning technology support. The whole process is a combination of selection tool. The special fixture fixture, a self-locking mechanism, the original order, higher productivity, for large quantities, to meet the design requirements of a given.
 
Key words: check valve; fixture;