目录摘要 --------------------------------------------------------------------- 2 Abstract ----------------------------------------------------------------- 3 引言 --------------------------------------------------------------------- 4 1液压系统的原理、组成与结构---------------------------------------------- 6 1.1液压系统的原理------------------------------------------------------ 6 1.2液压系统的组成与结构 ------------------------------------------------------------------------------------------ 6 2液压传动的优缺点与应用-------------------------------------------------- 8 2.1液压系统的优缺点 ------------------------------------------------------------------------------------------------- 8 2.2液压传动的应用 ----------------------------------------------------------------------------------------------------- 8 3设计要求--------------------------------------------------------------- 11 3.1设计任务 -------------------------------------------------------------------------------------------------------------- 11 3.2设计工作点 ---------------------------------------------------------------------------------------------------------- 11 4液压系统分析----------------------------------------------------------- 12 4.1运动分析 -------------------------------------------------------------------------------------------------------------- 12 4.2负载计算 -------------------------------------------------------------------------------------------------------------- 12 4.3负载循环图和速度循环图 ------------------------------------------------------------------------------------ 13 4.4液压系统主要参数的确定 ------------------------------------------------------------------------------------ 13 5拟定液压系统原理图----------------------------------------------------- 15 5.1工作缸 ------------------------------------------------------------------------------------------------------------------ 15 5.2夹紧缸 ------------------------------------------------------------------------------------------------------------------ 15 5.3换向方式确定------------------------------------------------------------------------------------------------------- 15 5.4调速、卸荷的选择 ----------------------------------------------------------------------------------------------- 15 5.5控制方式的选择 --------------------------------------------------------------------------------------------------- 16 5.6夹紧回路的确定 --------------------------------------------------------------------------------------------------- 16 5.7液压泵型式的选择--------------------------------------------------- 16 5.8拟定系统原理图 --------------------------------------------------------------------------------------------------- 17 6液压系统的计算--------------------------------------------------------- 18 6.1 验算系统压力损失 ---------------------------------------------------------------------------------------------- 18 6.2验算油液温升------------------------------------------------------------------------------------------------------- 19 7液压元件的选择--------------------------------------------------------- 20 7.1液压泵 ------------------------------------------------------------------------------------------------------------------ 20 7.2阀类元件及辅助元件-------------------------------------------------------------------------------------------- 21 7.3油管---------------------------------------------------------------------------------------------------------------------- 22 7.4油箱---------------------------------------------------------------------------------------------------------------------- 22 7.5密封件的选择------------------------------------------------------------------------------------------------------- 22 结论 -------------------------------------------------------------------- 24 致谢 -------------------------------------------------------------------- 25 参考文献 ---------------------------------------------------------------- 26组合机床液压系统的设计[摘要] 本文介绍了液压系统的工作原理、组成、优缺点及其应用情况。

首先通过工况分析拟定液压系统原理图。

其次在初步计算的基础上，确定液压缸结构参数并计算分析选择液压系统供油方式、调速方式、速度换接方式等。

再次对流通各元件的流量的计算，合理选择液压元件。

最后通过对压力损失和系统升温的验算，以及对液压系统进行性能分析，从而达到课题的设计要求。

[关键字] 工况分析液压系统原理图液压缸结构参数液压系统计算液压元件The design of hydraulic system ofmodular machine tool[ Abstract ]This paper introduces the working principle of the hydraulic system, composition, advantages and disadvantages and its application. First through the analysis to develop hydraulic system principle diagram. In the second preliminary calculation basis, determine the hydraulic cylinder structure parameters and computational analysis of hydraulic system supply mode, speed, speed switching mode. Again on the circulation of the element flow calculation, a reasonable choice of hydraulic components. Finally, based on the pressure loss and the system temperature checking, the hydraulic system performance analysis, so as to achieve the combination of hydraulic system design requirements.[ Key words] Operating condition analysis Schematic diagram of hydraulic system Hydraulic cylinder structure parameters Hydraulic system Hydraulic components引言组合机床是由通用部件和部分专用部件组成的高效率专用机床。