精品文档---下载后可任意编辑机械制造工艺学课程设计课程设计说明书设计题目：设计张紧轮支架的机械加工工艺规程目录机械制造工艺学课程设计任务书课程设计说明书0 序言···························41 零件的分析·······················5零件的作用·····················5零件的工艺分析···················52 零件的生产类型······················5生产纲领······················5生产类型······················63 毛坯的确定························6确定毛坯类型及其制造方法··············6估算毛坯加工的机械加工余量·············64 定位基准选择······················6选择精基准·····················6选择粗基准·····················65 制定机械加工工艺路线···················6选择加工方法····················6加工工艺路线····················7学生姓名：xxx 、 xxx 学 号：1040xx003xx班 级：机工 1004 班 指导老师：xxx 完成日期：2024-12-22 精品文档---下载后可任意编辑6 加工余量及尺寸的确定····················86.1 确定粗加工支架上端面的加工余量及工序尺寸······86.2 确定支架底面的加工余量及工序尺寸··········9确定精加工支架上端面的加工余量及工序尺寸······116.4 确定支架右侧面的加工余量及工序尺寸·········12确定支架右侧面 φ18 孔的加工余量及工序尺寸······136.6 确定支架下端面的加工余量及工序尺寸·········156.7 确定支架小侧面的加工余量及工序尺寸·········17确定支架 2*φ13 孔的加工余量及工序尺寸········177 切削用量和时间定额的确定················198 课程设计总结······················21参考文献·························22附 1 张紧轮支架零件图附 2 毛坯图附 3 机械加工工艺过程综合卡片附 4 夹具零件图附 5 夹具装配图机械制...
