毕业设计（论文）任务书
摘要
抛光是指利用机械、化学或电化学的作用，使工件表面粗糙度降低，以获得光亮、平整表面的加工方法。是利用柔性抛光工具和磨料颗粒或其他抛光介质对工件表面进行的修饰加工。抛光是进行金相观察与实验过程中必不可少的重要一步，在冶金、金属热处理等方面有重要意义。要获得较好的金相观察效果对抛光质量要求较高，然而现在所使用的抛光机以实验室小型较多，抛光截面较小、抛光质量较差，不能满足大型截面的抛光需求。为了更好的研究铸坯的质量，引用高倍和中倍观察需设计一系列抛光机满足抛光质量要求。本课题设计一合适抛光较大截面的卧式抛光机。
本文从介绍抛光机的应用、特点、原理到发展前景。首先对整机的设计方案进行比较选择，其中对于主轴与抛光轮连接及工作台的驱动传动方案选择进行了设计、比较和选择。另外简单介绍了零部件在箱体内的安排布局。文章对传动系统、零部件设计选择以及校核作了详细说明与计算，以确保机床能正常进行。在最后对冷却系统进行了简单介绍与设计。
关键词：抛光；卧式抛光机；方案设计；设计校核；冷却系统。
Abstract
Polishing is a processing method using the effect of machinery chemistry，or electrochemistry. It is to reduce the surface roughness and make them smooth and shiny. It is a very important and necessary step in the metallographic observation and experiment process, and in metallurgy, metal heat treatment has the important meaning. To gain a good metallographic observing effect of polishing quality request is higher, but now the most use of polishing machine kinds are small which used in the laboratory. Polishing section is smaller, polishing quality is poorer, can’t meet the demand of large cross-section polishing. In order to improve the study quality of the casting, use high multiples and middle multiples are must, so we need to design a series of polishing machine meet polishing quality requirements. This subject is based on grinding machine working principle to design a suitable for polishing larger section vertical polishing machine.
This paper introduces the application of polishing machine, characteristics, principle and development prospect. At first the design are compared to choice the best one. Among them for spindle and polishing wheel connection, the drive and transmission of workbench scheme selection are designed, and comparison, selection, also introduced the parts in the cabinet arrangement layout. The article on the transmission system, component design choice and the check detailed descriptions and calculation, to ensure the machine can work normally. The last of cooling system are introduced in brief and design.
Key words:polishing; vertical polishing machine; project design; design and check; cooling system.
目录
摘要......................................................... I Abstract .................................................... II 目录.......................................... 错误!未定义书签。第1章绪论................................................. V
1.1 抛光及抛光机的概述............................................................................ V
1.2抛光机的工作原理............................................................................... V II
1.3主要设计内容..................................................................................... VIII 第2章方案设计及电动机选用 ................................ IX
2.1 主电机与抛光轮的连接设计............................................................... IX
2.2 移动工作台与工作台电机间的连接设计............................................ X
2.3电动机的选择........................................................................................ XI 第3章主要零件的设计及校核 ............................... XIX
3.1抛光轮的设计与选择......................................................................... XIX
3.2 抛光膏的选择............................................................................... XXIV
3.3 齿轮齿条的设计............................................................................. XXIV
3.4 导轨与工作台的结构设计............................................................ XXVII
3.5 主轴的设计与校核....................................................................... XXIX
3.6 齿轮轴的设计与校核.................................................................... X XXV
3.7 各轴段联轴器的选择................................................................ X XXVIII
