叉形支架加工工艺及工艺装备设计-机械制造与自动化专业论文.pdf

目录毕业设计任务书序言第一章设计任务概述····································11.1设计的主要内容·······································11.2设计的指导思想·······································2第二章零件的分析·······································32.1零件的作用·········································32.2零件图·············································32.3零件的工艺分析······································4第三章毛坯的确定······································53.1确定毛坯的类型与制造方法·····························53.2毛坯形状及尺寸······································63.3毛坯图··············································7第四章工艺路线的拟定····································84.1定位基准的选择·······································84.2表面加工方法的确定···································94.3基面的选择·········································104.4热处理工序、辅助工序的安排·····························104.5加工顺序的安排原则··································114.6制定工艺路线·······································114.7各工序加工设备、刀具、量具选用·························144.8机械加工余量、工序尺寸确定·····························144.9填写机械加工工艺过程卡（见附表）·························15第五章零件加工工序设计································165.1工序1：粗铣右端面···································165.2工序2：粗铣右平面···································165.3工序3：精铣前后平面·································175.4工序4：钻3×φ9、φ14、φ4mm孔······················195.5工序5：粗扩φ8孔至φ9、粗扩φ13孔至φ14mm·············205.6工序6：粗铰mm孔至mm·································225.7工序7：钻φ14孔······································235.8.工序8：精镗孔φ3至φ4································245.9工序9：精扩φ9孔至φ10-倒C1角·························265.10工序10：攻丝2xM8、M6································285.11工序11铣叉形支架叉口·······························29第六章夹具的介绍······································306.1、机床夹具的分类和组成·······························316.2工件定位的基本原理··································316.3定位基准的选择······································33第七章零件的分析······································347.1零件的作用··········································347.2零件图·············································357.3零件的工艺分析···································