1、 卧式单面多轴钻孔组合机床液压系统设计卧式单面多轴钻孔组合机床液压系统设计 【摘要摘要】 液压系统具有广泛的工艺适应性、优良的控制性能、反应快、输出力(或力 矩)大等优点,在组合机床中被广泛采用。 液压传动技术是机械设备中发展最快的技术之一, 特别是近年来与微电子、 计算机技术结合,使液压技术进入了一个新的发展阶段,机、电、液、气一体 是当今机械设备的发展方向。 在数控加工的机械设备中已经广泛引用液压技术。 作为数控技术应用专业的学生初步学会液压系统的设计,熟悉分析液压系统的 工作原理的方法,掌握液压元件的作用与选型及液压系统的维护与修理将是十 分必要的。 本论文主要阐述了液压系统的设计(包括
2、系统工况分析,拟定液压系统原 理图,液压元件的计算和选择以及液压系统的性能验算等)、液压缸主要零部 件的设计及其结构设计。 关键词: 液压系统 液压传动 液压元件 Abstract:Abstract:Hydraulic system with a wide range of adaptability, excellent process control performance, fast response, output force (or torque) and other advantages of combined machine tools that are widely used.
3、technology in machinery and equipment, especially in recent years combined with microelectronics, computer technology, hydraulic technology has entered a new stage of development, mechanical, electrical, hydraulic, gas integration is the development of machinery and equi Hydraulic drive technology i
4、s one of the fastest growing pment today. Has been widely referenced in the CNC machining equipment hydraulic technology. As technology students learn hydraulic numerical control system design, familiar with the working principle of the method of analysis of hydraulic systems, control and selection
5、of hydraulic units and hydraulic systems maintenance and repair is necessary. This paper mainly on the design of the hydraulic system (including system condition analysis, development of hydraulic system schematics, calculation and selection of hydraulic components, and checking the performance of t
6、he hydraulic system, and so on), design and structure of the main components of hydraulic cylinder design Key words:Key words: hydraulic system hydraulic transmission hydraulic 1 components 设计一台卧式单面多轴钻孔组合机床液压系统,要求完成工件的定位与夹 紧,所需夹紧力不得超过 3000N。机床快进、快退速度约为 0.1m/s,工进速度可 在 30-120mm/min 范围内无极调速,快进行程为 200mm,工进行程 50mm,最大切 削力为 3000N,执行部件质量为 9800N 减速)时间为 0.1s,采用平导轨,静摩擦 系数为 0.2.动摩擦系数为 0.1。 1 1 液压传动的工作原理和组成液压传动的工作原理和组成以及优缺点以及优缺点 液压传动是以液体为工作介质,利用压力能来驱动执行机构的传动方式。 驱动机床工作台的液压系统是由油箱、过滤器、液压泵、溢流阀、开停阀、节 流阀