CA6140车床法兰盘夹具设计说明书（完整版）

工 艺 装 备 课 程 设 计

说明书

设计题目：车床法兰盘CA6140零件加工工艺规程及工装夹具设计

班 级 学 生 同组学生

指导教师

学院 2013年 月 日

学院

工艺装备课程设计任务书

题目: CA6140法兰盘零件加工工艺规程及工装夹具设计

设计内容： 1.零件图1张 2.毛坯图1张

3.机械加工工艺规程1套（含工艺路线卡和工序卡） 4.工艺装备结构设计1套（含装配图和若干零件图） 5.课程设计说明书1份（不少于5000字）

设计要求：

1.按大批生产、通用加工装备设计。

2.同一课题组为3-4人，要求分工明确，同时也要有合作精神。 3.每人要独立完成一份课程设计说明书及至少画一张图纸。

专业：机械设计制造及其自动化 指导教师： 班级： 姓名: 同组学生名单： 本人分工：

产品零件图：参与√绘制? ； 毛坯图：参与√绘制? ； 工艺： 参与?编制√ ； 夹具装配图：参与?设计√； 夹具零件图：参与?设计√； 设计说明书：参与?编写√。

课题发给日期：2013.5.30 课题完成日期：2013.7.12

摘要

法兰盘只是一个统称，通常是指在一个类似盘状的金属体的周边开上几个固定用的孔用于连接其它东西。法兰联接在机械上应用很广泛，所以样子也千奇百怪的。本文主要是针对CA6140车床法兰盘的加工工艺以及主要孔的工艺装备设计进行论述。通过本文可以了解该法兰盘的构造和它的整个加工过程以及各注意事项，同时可以从侧面了解到针对于4Xφ9孔的专用钻床夹具的整个设计流程。从各组件的选择到加工参数的确定反映了目前该零件的市场价值以及发展前景。

关键词 法兰盘 工艺装备 专用夹具 钻套

目录

第一章 机械加工工艺规程的制定

一.零件的分析·················································· 3

1.零件的用途················································ 3

2.零件的结构················································ 3 3.确定零件的生产纲领········································ 3 4.零件的工艺分析············································ 3 4.1 CA6140车床法兰盘共有两处加工表面······················ 3

4.2加工表面间有一定位置要求······························ 4

二. 工艺规程的设计············································· 4 1.确定毛坯的制造形式········································ 4 2.定位基准的选择············································ 4

2.1粗基准的选择·········································· 4 2.2精基准的选择·········································· 5 3.表面加工方法的选择······································· 5 4.制定工艺路线············································· 6

4.1工艺路线方案·········································· 6 4.2机械加工余量、工序尺寸及毛坯尺寸的确定················ 8 4.3确定切削用量及基本用时································ 12

第二章 钻床夹具设计

1.问题的提出··············································· 18 2.夹具设计················································ 18 2.1定位基准及定位元件的选择····························· 18 2.2夹紧机构设计········································· 18 2.3对定元件的选择······································· 19 2.4零件加工误差的分析··································· 20

总结······················································· 21 参考文献························································ 21