机械制造课程设计CA6140法兰盘831004说明书

机械制造技术基础 课程设计说明书 题目：法兰盘机械加工工艺规程编制 及工时定额计算 院 系： 班 级： 姓 名： 学 号： 指导教师： 日 期： 1 目 录 序 言 ························· 4 第一章 零件分析 ····················· 5 1 .1 了解零件的作用 ··················· 5 1 .2 零件的工艺性分析 ·················· 5 1 .3 零件的生产类型 ··················· 6 第二章 确定毛坯、绘制毛坯简图 ·············· 6 2 .1 选择毛坯 ······················ 6 2 .2 确定毛坯的尺寸公差 ················· 6 2 .2 .1 公差等级 ···················· 6 2 .2 .2 铸件质量 ···················· 7 2 .2 .3 铸件形状复杂系数 ················ 7 2 .3 确定毛坯加工余量、绘制法兰盘毛坯图 ········· 7 第三章 拟定法兰盘工艺路线 ················ 8 3 .1 定位基准的选择 ··················· 8 3 .1 .1 精基准的选择 ·················· 8 3 .1 .2 粗基准的选择 ·················· 8 3 .2 各表面加工方案的确定 ················ 8 3 .3 加工阶段的划分 ·················· 10 2 3 .4 工序的集中与分散 ················· 10 3 .5 机械加工工序顺序的安排 ·············· 10 3 .6 机床设备及工艺装备的选用 ············· 11 3 .6 .1 机床设备的选用 ················ 11 3 .6 .2 工艺装备的选用 ················ 11 3 .7 确定工艺路线 ··················· 11 第四章 确定加工余量 ·················· 13 4 .1 工序1 ：粗铣右端面 ················ 13 4 .2 工序2 ：粗铣左端面 ················ 13 4 .3 工序3 ：加工+0 .0 4 502 0mm 孔 ···········...