数控车床上加工细长轴零件毕业论文.DOCVIP专享

石油化工学院成人教育毕业论文(设计、作业)题 目：学生：层次： 专科 所学专业：班级：指导老师：职称：201 年 月 日摘要：所谓细长轴就是工件的长度与直径之比大于 25（即 L/D>25）的轴类零件称为细长轴。在切削力、重力和顶尖顶紧力的作用下，横置的细长轴是很容易弯曲甚至失稳，因此，车削细长轴时有必要改善细长轴的受力问题。采纳反向进给车削，配合以最佳的刀具几何参数、切削用量、拉紧装置和轴套式跟刀架等一系列有效措施。结果 提高了细长轴的刚性，达到了加工要求。 轴类零件在整个制造工业发挥着重要作用。在汽车领域起着连接动力装置和运动装置的部位；在重型机械领域起着传动动力、吊装重物的重要组成部分等。细长轴是传动轴类零件的特点，在整个轴类零件中也扮演着重要角色。关键词：工艺分析，刀具，工艺卡片，编程SummaryThe summary axis parts throughout the manufacturing industry can play an important role. In the automotive industry plays a connection to the power plant and exercise equipment parts, in heavy machinery industry, plays a transmission power, lifting heavy objects, such as an important component of unloading. Slender shafts are driven shaft parts features throughout the axles in also play an important role. On the basis of their characteristics, on the part of its process for detailed analysis, to determine which process the selected type, model number and its considerations, and summarize the axles of the machining process. Tags: technology analysis tool process card programming 。目录引言……………………………………1、细长轴的特点……………………………………2、零件图………………………………………………2.1、零件图工艺分析……………………………………2.2、数控车床加工方法的选择…………………………2.3、装夹与定位…………………………………………2.4、工步顺序………………………………………………2.5、刀具选择………………………………………………2.6、确定切削用量…………………………………………2.7、选择机床和数控系统…………………………………2.8、数控加工工序卡……………………………………...