“差速器壳”的工艺规程和钻端面12孔钻床夹具设计

摘  要

通过对“差速器壳”的结构以及工艺性分析，介绍一种壳类零件的钻削端面（法兰盘）孔加工及夹具的设计，其结构合理操作方便，大大提高了效率，使企业在大中批生产降低成本，提高产品的竞争力。

关键词：工艺；  速器壳器；   夹具

Abstract

     By analysing the structure and craft of "differential device", and using the basic principle of group technology (CAPP) , to introduce the design of the drill and paring end surface hole (flange plate) processing and jig of a kind of shell accessory. With its reasonable structure and ease of operation, greatly enhanced the efficiency, that the enterprises reduce the cost in the mass production, and enhance the competition ability of the products.

 

Key word: Craft   differential device   jig目  录

1. 零件的分析……………………………………………………………………………1

1.1 零件的作用………………………………………………………………………2

   1.2 零件的工艺分析…………………………………………………………………2

2  工艺规程设计…………………………………………………………………………3

2.1 毛坯的制造形式…………………………………………………………………3

   2.2 基准面的选择……………………………………………………………………4

2.3 制订工艺路线……………………………………………………………………4

2.4 机械加工余量、工序尺寸及毛坯尺寸的确定…………………………………6

2.5 确定切削用量及基本工时 ……………………………………………………10

3. 夹具设计 ……………………………………………………………………………37

3.1 问题的提出 ……………………………………………………………………37

3.2 夹具设计 ………………………………………………………………………38

参考文献…………………………………………………………………………………39

致谢………………………………………………………………………………………40

附录………………………………………………………………………………………41