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1、J I A N G S U U N I V E R S I T Y本 科 毕 业 论 文CKJ61100 数控车床液压系统设计CKJ61100Numerical control lathe hydraulic system design学院名称： 江苏大学继续教育学院 专业班级： 机械设计制造及其自动化 学生姓名： 李颖 指导教师姓名： 指导教师职称： 2011 年 9 月摘 要本论文主要阐述了数控车床液压系统,液压技术是机械设备中发展速度最快的技术之一。特别是近年可与微电子、计算机技术相结合、使液压技术进入了一个新的发展阶段。目前，已广泛应用在工业各领域。由于近年来微电子、计算机技术的发展，
2、液压元器件制造技术的进一步提高，使液压技术不仅在作为一种基本的传统形式上占有重要地位而且以优良的静态、动态性能成为一种重要的控制手段。面对我国经济近年来的快速发展，机械制造工业的壮大，在国民经济中占重要地位的制造业领域得以健康快速的发展。制造装备的改进，使得作为制造工业重要设备的各类机加工艺装备也有了许多新的变化，尤其是孔加工，其在今天的液压系统的地位越来越重要。本液压系统的设计，除了满足主机在动作和性能方面规定的要求外，还必须符合体积小、重量轻、成本低、效率高、结构简单、工作可靠、使用和维修方便等一些公认的普遍设计原则。液压系统的设计主要是根据已知的条件，来确定液压工作方案、液压流量、压力和
3、液压泵及其它元件的设计。综上所述，完成整个设计过程需要进行一系列艰巨的工作。设计者首先应树立正确的设计思想，努力掌握先进的科学技术知识和科学的辩证的思想方法。同时，还要坚持理论联系实际，并在实践中不断总结和积累设计经验，向有关领域的科技工作者和从事生产实践的工作者学习，不断发展和创新，才能较好地完成机械设计任务。关键词: 液压系统 液压缸 AbstractThis paper mainly expounds the numerical control lathe hydraulic system, hydraulic technology is the mechanical equipment
4、 fastest developing speed in one of the technology. Especially in recent years, but with microelectronics, computer technology to combine together, make hydraulic technology has entered a new stage of development. At present, has been widely used in the industrial fields. Because the recent years mi
5、croelectronics, the development of computer technology, hydraulic components manufacturing technology of the further improved, and make hydraulic technology not only as a kind of basic in traditional form occupies an important position and with excellent static, dynamic performance becomes a kind of
6、 important means of control.Facing our country economy in recent years of rapid development, machinery manufacturing industry in the development of the national economy, which occupies an important position in the manufacturing sector to the healthy and rapid development. The improvement of manufact
7、uring equipment, make as an important equipment manufacturing industry in the of all kinds of machining equipment also had many new changes, especially in the hole processing, its in todays hydraulic system is becoming more and more important.The hydraulic system design, in addition to meet the host
8、 in action and performance requirements outside, still must comply with small volume, light weight, low cost, high efficiency, simple structure, reliable operation, use and convenient maintenance and so on some of the common design principles recognized. Hydraulic system is designed according to the
9、 known condition, to determine the hydraulic pressure working scheme, hydraulic flow rate, pressure and hydraulic pump and other components of the design. To sum up, complete the whole design process needs a series of hard work. Designers should set up the correct design thought, trying hard to gras
10、p the advanced scientific and technological knowledge and scientific dialectical way of thinking. to the workers engaged in production practice and workers learning, and constantly development and innovation, to better complete mechanical design task.Key words: Hydraulic system hydraulic cylinder hy
11、draulic pump reversing valves目 录引 言.2第一章 液压系统设计计算 21.1 液压系统的设计要求21.2 液压系统方案设计21.2.1 确定液压泵类型及调速方式21.2.2 选用执行原件21.2.3 换向回路和压力回路的选择21.2.4 组成液压系统绘原理图21.3 液压系统的参数计算21.3.1 液压缸参数计算21.3.2 液压缸的结构设计21.3.3 液压泵性能参数计算21.4 液压元件的选择21.4.1 液压阀及过滤器的选择21.4.2 油管的选择21.4.3 油箱容积的确定2第二章 液压站的设计22.1 液压油箱的作用及外形尺寸22.1.1 液压油箱的作
12、用22.1.2 液压油箱的外形尺寸22.2 液压油箱的结构设计22.3 液压泵装置22.3.1 液压泵的工作原理22.3.2 液压控制装置22.4 液压系统的安装22.4.1 液压泵装置的安装要求22.4.2 油箱装置的安装要求22.4.3 液压阀的安装要求22.4.4 液压缸的安装要求22.5 电动机与液压泵的联接方式2第三章 集成块的设计 23.1 集成块及其工作23.2 集成块的工作要求23.2.1 集成块的工作要求23.2.3 集成块的总体设计23.2.4 液压阀位置的确定23.2.5 视图及尺寸标注23.2.6 加工精度的要求23.2.7 集成块的设计结果23.2.8 集成块装配与调试2第四章 液压系统的性能验算及维护24.1 性能验算24.1.1 沿程压力损失24.1.2 局部压力损失24.1.2 系统温升的验算24.1.3 泵站调试24.1.4 压力调试
