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1、摘摘 要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
2、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
3、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。【关键词关键词】滤油器；零件；加工工艺AbstractHydraulic oil often contain particulate impurities, the relative movement of hydraulic components will cause the surface of the wear and tea
4、r, catching slide valve, throttling orifice plug, greatly reduced the reliability of the system work. Certain precision in the system installed oil filter is to ensure that the hydraulic system to work the necessary means. Oil filter oil filters and generally can be divided into two categories retur
5、n filter. Oil filter is usually installed at the pump inlet to protect the pump and other hydraulic components, in order to avoid inhalation of contaminated impurities can effectively control the hydraulic system cleanliness. Return filter back to the oil filter for the hydraulic system, hydraulic s
6、ystem 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 type currently in use are crude oil filter oil filter, and its simple structure, small resistance through a large oil capacity, with the sender fil
7、ter 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 simple structure, high filtration precision, with the sender filter pollution control and oil by-pass valve, can be very effective to improve the reli
8、ability 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 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 filtrati
9、on, 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 base connection. As we all know, in this era of all walks of life are involved in machinery, mechanical parts, like every invention, the production
10、 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, we mainly considered from two aspects, first, whether the technology is advanced, the second is whether the economy is reasonable. Processing tec
11、hnology as a basis for processing directly determine these factors. Oil filter part of a process as in the machinery industry, industrial clients, have to undertake high-end and base end of the important role of industry, the technical level, on a countrys industrial technology development on behalf
12、 of a certain significance. Can be said that an oil filter with advanced production technology in countries with hardly a country of advanced manufacturing 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 目目 录录前前 言言.1 1第一章第一章 零件的分析及生产类型的确定零件的分析及生产类型的确定.3 31.1 零件的作用.3 1.2 零件的工艺分析.4 1.3 零件的生产类型.4 1.4 本章小结.5第二章第二章 零件毛坯的设计零件毛坯的设计.6 62.1 选择毛坯.6 2.2 防止滤油器零件变形的工艺措施.9 2.3 本章小结.9第三章第三章 零件的加工工艺设计零件的加工工艺设
