固定板
摘要
机械制造工艺学等课程的设计内容，包含了很多知识的内容，进行了生产实习之后，所进行的一个重要实践性教学环节。其主要目的是让学生不所学的工艺理论和实践知识在实践的工艺，夹具设计中综合地加以应用，进而得以加深和发展，提高学生分析和解决生产实际问题的能力，为以后搞好设计和从事工作奠定了一定基矗通过本次课程设计，我们在下述方面可以得刀很多方面的锻炼：在设计的过程中，可以能熟练的运用一些绘制图纸的软件的能力，也可以回顾大学学习的基础性的东西，把一些学的用到现在的加工工艺上，通过支承套的夹具设计工艺，可以进一步提高了我对于继续加工生产的了解，结构设计能力有所增强，进一步提高我们的计算设计制图能力，学到更多现实中的东西。
本次设计的是支承套的加工工艺及铣支承套铣槽夹具及钻孔的夹具设计，主要采用铣床铣削加工来的完成工艺加工。在数控加工中利用数控机床来加工，使得产品加工的质量能够保持一致性，保证支承套零件的加工精度和支承套零件效率，在这些方面均比普通铣床加工高出很多有点，尤其是针对一些轮廓轮廓不规则的零件的加工、在零件上有哦复杂的曲线或不规则的曲面、需要要到多工艺复合，工序加工和零件的高精度要求的产品零件的加工时，最突出的优点是传统机床，在加工的时候所无法比达到这一的要求。
关键词：数控加工、工艺流程、工艺装备、夹具设计
Abstract
The design of mechanical manufacturing technology and other courses contains a lot of knowledge. After the production practice, it is an important practical teaching link. Its main purpose is to let students not learn the technological theory and practical knowledge in the practice of technology, fixture design to be applied comprehensively, and then to deepen and develop, improve the ability of students to analyze and solve practical production problems, and lay a certain foundation for graduation design andwork in the future. Through this course design,we can get a lot of exercises in the following aspects: in the process of design,we can skillfully use the ability of drawing software, review the basic things learned in University, apply some of the learning to the current processing technology, and further improve my ability to continue With the understanding of processing and production, the ability of structural design has been enhanced. We can further improve our ability of calculation, design and drawing, and learn more things in reality.
This design is the processing technology of the rocker arm and the design of the jig for milling the groove of the rocker arm and drilling. It mainly uses the milling machine to finish the processing. In NC machining, NC machine tool is used to process,which can keep the quality of products consistent and ensure the machining accuracy and efficiency of rocker parts. In these aspects, it is much higher than that of ordinary milling machine, especially for the machining of partswith irregular contour, complex curves or irregular surfaces on parts,which need to reach The most outstanding advantage of multi process composite, process processing and high-precision parts processing is the traditional machine tool,which can not meet this requirement.
Keywords: numerical control processing, technological process, technological equipment, fixture design
目录
摘要I
Abstract III
目录V
第1章绪论1
1.1本课题的研究内容和意义1
1.2国内外的发展概况2
1.3机械加工工艺的特点4
第2章支承套工艺分析7
2.1零件的作用7
2.2零件的工艺分析8
2.3确定支承套零件的生产类型8
2.4确定零件毛坯的制造形式10
2.5拟定支承套零件的机械加工工艺路线10
2.5.1定位基准的选择： 11
2.5.2支承套加工粗基准选择： 14
2.5.4支承套加工工序的组合： 15
2.6确定加工余量16
2.7确定支承套各工序所用机床及工艺装备17
第3章支撑套的工艺规程设计18
3.1工艺路线方案一18
3.2工艺路线方案二19
3.3工艺方案的比较与分析19
3.4确定切削用量及基本工时20
3.4.1车削工序切削用量工时计算20
3.4.2铣削加工切削用量工时计算21
3.4.3钻孔切削用量工时计算： 22
第四章钻床专用夹具的设计24
4.1钻床夹具的设计特点24
4.2支承套钻床夹具定位误差分析24
4.3钻套、衬套、钻模板及夹具体设计25
4.6夹具设计及操作的简要说明27
第5章铣槽专用夹具设计29
5.1确定支承套的定位方案，选择定位元件30
5.2计算定位误差——目的是分析定位方案的可行性31
5.3夹具结构自由度分析33
5.4夹具结构夹紧及操作简要说明33
结论34
参考文献35
夹具体
下环
芯轴
钻孔夹具
钻模板
钻模结构
钻床建模
