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1、XXXXXXXXXXJIUJIANG UNIVERSITY毕 业 设 计 题 目 滤油器体零件加工工艺 英文题目 Oil Filter Parts Processing 院 系 xxxxxxxxxxxx 专 业 机械设计制造及其自动化 姓 名 xxxxxxx 年 级 xxxxxxxxxxx 指导教师 xxxxxx xxx年x月2摘 要液压油中往往含有颗粒状杂质，会造成液压元件相对运动表面的磨损、滑阀卡滞、节流孔口堵塞，使系统工作可靠性大为降低。在系统中安装一定精度的滤油器，是保证液压系统正常工作的必要手段。滤油器一般可分为吸油滤油器和回油滤油器两类。吸油滤油器一般安装在油泵的吸油口处，用以保护
2、油泵和其他液压元件，以避免吸入污染杂质，可以有效的控制液压系统的清洁度。 回油滤油器用于液压系统回油过滤，过滤液压系统中由于元件磨损产生的金属颗粒，心脏密封件产生的污染物，使流回油箱的油液保持清洁。 目前使用的WU式吸油滤油器属于粗过滤器，其结构简单、通油能力大阻力小，具有滤心污染发讯器与油路旁通阀，提高液压系统的可靠性。XU-A回油滤油器属于精过滤器，其结构简单，过滤精度高，具有滤心污染发讯器与油路旁通阀，可以很有效的提高液压系统的可靠性。1 由此可见，滤油器在当今机械行业中的重要性。本论文主要讨论CA6140车床滤油器体零件加工工艺。它位于车床主轴箱上面，主要作用是给主轴箱内供油及对油液起
3、过滤作用，零件的两端有两孔用于油液的进出，零件的中间有一个外圆柱面，用于与主轴箱以基轴制形式联接。一件成品是否实用，我们主要从两个方面着手考虑，第一是技术是否先进，第二是经济是否合理。加工工艺作为进行加工的一个依据则直接决定这些因素。滤油器零件工艺作为机械行业的一个中端工业，有着承接高端和基端工业的重要作用，其技术水平高低，对一个国家的工业技术发展水平具有一定的代表意义。可以说一个不具有先进滤油器生产技术水平的国家，很难说是一个拥有了先进制造技术的国家。本课题以CA6140滤油器作为研究对象，综合考虑滤油器的的制造成本和运行效率的双重因素，对其进行工艺设计。【关键词】滤油器；零件；加工工艺Ab
4、stractHydraulic oil often contain particulate impurities, the relative movement of hydraulic components will cause the surface of the wear and tear, catching slide valve, throttling orifice plug, greatly reduced the reliability of the system work. Certain precision in the system installed oil filter
5、 is to ensure that the hydraulic system to work the necessary means. Oil filter oil filters and generally can be divided into two categories return filter. Oil filter is usually installed at the pump inlet to protect the pump and other hydraulic components, in order to avoid inhalation of contaminat
6、ed impurities can effectively control the hydraulic system cleanliness. Return filter back to the oil filter for the hydraulic system, hydraulic system filter component wear due to metal particles produced by the heart of pollutants generated seal, so that the oil flow back into the tank clean. WU t
7、ype currently in use are crude oil filter oil filter, and its simple structure, small resistance through a large oil capacity, with the sender filter pollution control and oil by-pass valve to improve the reliability of the hydraulic system. XU-A return to the oil filter oil filter is fine, its simp
8、le structure, high filtration precision, with the sender filter pollution control and oil by-pass valve, can be very effective to improve the reliability of the hydraulic system. This shows that the oil filter in the importance of todays machinery industry. This paper focuses on the oil filter body
9、parts CA6140 lathe processing. It is located above the lathe headstock, the spindle inside the main role is to play on the oil supply and filtration, there are two ends of parts for the oil and out of holes, a cylindrical middle part of the cylinder, used for axis spindle box system in the form of b
10、ase connection. As we all know, in this era of all walks of life are involved in machinery, mechanical parts, like every invention, the production of both was extremely important, and processing technology as the middle of the bridge, it is bound is also very important. A finished product is useful,
11、 we mainly considered from two aspects, first, whether the technology is advanced, the second is whether the economy is reasonable. Processing technology as a basis for processing directly determine these factors. Oil filter part of a process as in the machinery industry, industrial clients, have to
12、 undertake high-end and base end of the important role of industry, the technical level, on a countrys industrial technology development on behalf of a certain significance. Can be said that an oil filter with advanced production technology in countries with hardly a country of advanced manufacturin
13、g technology. The topics to CA6140 oil filter as the research object, considering the filter of the manufacturing costs and operating efficiency of the two factors, its process design. 【Key words】CA6140；filter; components; processing technology 目 录前 言1第一章 零件的分析及生产类型的确定31.1 零件的作用31.2 零件的工艺分析41.3 零件的生
14、产类型41.4 本章小结5第二章 零件毛坯的设计62.1选择毛坯62.2 防止滤油器零件变形的工艺措施92.3 本章小结9第三章 零件的加工工艺设计103.1确定毛坯的制造形式103.2 定位基准的选择103.3零件表面加工方法的选择103.4 制定工艺路线113.5 工艺方案的比较与分析133.6 机械加工余量、工序尺寸及毛坯尺寸的确定133.7 本章小结15第四章 工序设计164.1 选择加工设备与工艺装备164.2 确定工序尺寸184.3确定切削用量及基本工时214.4 本章小结29结论30参考文献31致 谢3232前 言毕业设计是在学完了机械制造技术基础和大部分专业课，并进行了生产实习
15、的基础上进行的又一个实践性教学环节。其目的主要有一下三点：一、培养学生运用机械制造工程学及相关课程（工程材料与热处理，机械设计，公差与技术测量等）的知识，综合生产实习中学到的实践知识，独立地分析和解决零件机械加工工艺问题，初步具备设计一个中等复杂程度零件的工艺规程的能力。二、培养学生熟悉并运用有关手册，规范，图表等技术资料的能力。三、进一步培养学生识图，制图，运算和编写技术文件等基本技能。这次设计使我能综合运用机械制造技术基础中的基本理论，并结合生产实习中学到的实践知识，独立地分析和解决了零件机械制造工艺问题，设计了机床专用夹具这一典型的工艺装备，提高了结构设计能力，为今后的毕业设计及未来从事的工作打下了良好的基础。这次毕业设计中，我所选的零件是“CA6140车床滤油器体”，完成该零件的机械加工工艺规程的编制及工艺装备的设计，滤油器在车床上是个必不可少的部件，它有着过滤油液及缓冲的作用。因此在加工时，零件的配合部分需进行精加工，保证其配合准确，提高车床的综合性能，又因
