1、I 毕业论文 CA6140 车床后托架加工工艺及夹具设计 II 摘要摘要 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 加工余量 定位 夹紧力 III Abstract in the production process, so that
2、 the production of objects (raw materials, rough, spare parts or assembly, etc.) the quality and quantity of direct changes in the status of the process is called process, such as the rough manufacturing, machining, heat treatment, assembly and so called for the process. In the development process,
3、it is necessary to determine the position the installation process and the need to work step-by-step process, processing of the processes of the locomotive and machine tool feed rate, cutting depth, spindle speed and cutting speed, the process of the fixture, tool and measuring, as well as taking a
4、knife cutting the number and length, the final calculation of the basic processes of time, support time and effort to serve the time. Keywords Process positioning clamping force III 目 录 前言前言1 第一章第一章 CA6140CA6140 机床后托架的工艺分析机床后托架的工艺分析2 第一节 工艺路线的拟订工艺路线的拟订2 一、工序的合理组合3 二、工序的集中与分散3 三、加工阶段的划分3 第二节 加工工艺路线方案的比较4 第三节 加工工艺路线方案的论证6
