1、 1 目录 摘 要 2 绪 论 3 第一章 零件的分析 4 1.1 零件的作用: . 4 1.2 零件的工艺分析: . 4 第二章 确定毛坯 5 第三章 拟定工艺路线和选择加工方法 6 3.1 定位基准的选择: . 6 3.2 选择加工方法及拟定工艺路线: . 6 第四章 确定各工序尺寸及公差 9 第五章.确定各工序的设备、刀具夹具和辅助工具 13 第六章 确定切削用量. 15 第七章 .确定定位基准和定位方法. 19 致 谢 23 参考文献: 24 2 摘 要 在生产过程中,使生产对象(原材料,毛坯,零件或总成等)的质和量的状态 发生直接变化的过程叫工艺过程,如毛坯制造,机械加工,热处理,装
2、配等都称之 为工艺过程。在制定工艺过程中,要确定各工序的安装工位和该工序需要的工步, 加工该工序的机车及机床的进给量,切削深度,主轴转速和切削速度,该工序的夹 具,刀具及量具,还有走刀次数和走刀长度,最后计算该工序的基本时间,辅助时 间和工作地服务时间。 关键词:关键词:工序 工位 工步 加工余量 定位方案 夹紧力 ABSTTACT : Enable producing the target in process of production (raw materials, the blank , state of quality and quantity on part become alwa
3、ys ) take place direct course of change ask craft course, if the blank is made, machining, heat treatment , assemble etc. and call it the craft course. In the course of making the craft , is it confirm every erector location and worker step that process need this of process to want, the locomotive o
4、f processing , this process , and the entering the giving amount of the lathe, cut depth , the rotational speed of the main shaft and speed of cutting, the jig of this process, the cutter and measuring tool, a one hundred sheets of number of times still leaves and a one hundred sheets of length leaves, calculate basic time of this process , auxiliary time and service time of place of working finally. Keyword: The process worker one workers step the surplus of processing orient the sche