毕业设计(论文)-椭圆轴的设计与数控加工编程设计(全套图纸三维)
30页1、 毕业设计说明书题 目椭圆轴的设计与数控加工 专 业 班 级 学生姓名 XX X 指导教师 2015年05月02日29目录1绪论12设计任务22.1设计目的与要求22.2要求22.3毕业设计课题32.4涉及的技术知识33 椭圆轴设计44 椭圆轴工艺分析55.1工艺性的概念55.2零件图纸分析65.3毛坯的选择65.4 定位基准的选择85.4.1 粗基准的选择85.4.2 精基准的选择85.5 制定工艺路线85选择的设备86.1 机床的选择86.2 夹具的选择96 切削用量的确定107 刀具选择128 手动编程139 设计小结1810 参考文献19 摘 要数控设备是一种新型的数控技术作为传统制造业的形成和机电产品的新兴制造业的渗透的代表,称为数字设备,数控技术的应用带来了革命性的变化,对传统的制造业。该机主要用于椭圆轴支承皮带轮,齿轮,凸轮和连杆传动件,传动扭矩,它是机器的重要部分。因为很多地方有很多相同的地方,特别是轴类零件,由于对称性,所以很多部件都是相同的,对同一零件的数控加工,通常可以使用子程序编程,可以大大提高工作效率。重复定位精度和数控机床的定位精度很高,易于保证椭圆尺寸的一
2、致性,只要工艺设计和程序是正确的、合理的,可以保证零件获得较高的加工精度,也便于机械加工过程质量控制的实施。关键词:椭圆轴;数控编程;全套图纸,加153893706AbstractElliptical shaft in the machine is mainly used for supporting the belt wheel gear, cam and connecting rod transmission parts, transmission torque, it is an important part of machine parts. Because many parts have many of the same parts, especially shaft parts, due to symmetry, so the part of a lot of parts are the same, for NC machining of parts of the same can usually be used subroutine programming, can gr
3、eatly improve the efficiency of. User macro program allows the use of variables, can also transfer arithmetic and logical operations and conditions, the user may need to develop some fixed cycle, processing program used a simple command to bring up the user macro program, the processing program makes preparation of similar parts or parts of the shape is more convenient, but also can realize the manual programming of complex parts processing, and make some special surface processing has become ve
4、ry convenient.The design is mainly aimed at the axis of the transmission parts transmission path for transmission oval. NC machining of high precision, stable quality. Accuracy and repeatability of positioning accuracy of CNC machine tools are very high, is easy to ensure the consistency of the ellipse size, as long as the process design and program are correct and reasonable, and careful operation, can ensure that the parts to obtain a higher precision, but also facilitate the implementation of
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