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减压控制阀的设计说明书精选文档
毕业设计（论文）说明书
题目：减压控制阀的设计
系名机械工程系
专业机械设计制造及其自动化
学号 30
学生姓名周翔
指导教师朱家玲
2016年5月20日
摘要
随着工业技术的发展，液压系统在当今机械领域用途越来越广泛，各种大、中、小型液压设备中，液压减压阀是系统中的一个关键性的压力控制元件，它们的性能和寿命在很大程度上决定着整个液压系统的平稳性和工作能力。
设计中对减压阀结构进行了探讨，并且比较了两种方案的优劣特点，选择了管式螺纹连接定值输出减压阀。在现有的减压阀基础上通过改变主阀芯的材料，从而提高减压阀的灵敏度，使产品在满足设计条件要求的情况下，更加经济合理化。
在这次毕业设计中主要参考了DR50型先导式减压阀的相关产品的结构和技术参数，并以其为基础，重新设计了先导式定值输出液压减压阀阀芯的结构参数，通过计算和不断优化使减压阀的部分或整体性能有所提高完善。
关键词：先导式减压阀；管式连接；阀芯结构参数
Abstract
Along with the development of the technology industry, Hydraulic system in tod- ay's machinery field use more and more widely, In all the big or small hydraulic equi- pment, Hydraulic pressure reducing valve is system of a key pressure control compo- nents.
This design mainly in the market today of the pressure reducing valve for the fo- undation, Pilot type setting value output pressure reducing valve design. In the gradu- ation design process adopted some of the pressure reducing valve about new technolo- gy and new ideas, And used topilot type setting value output pressure reducing valve design, In the design of pressure reducing valve structure were discussed.
In the graduation design main reference the forerunner of the pressure reducing valve DR50 type of related products structure and technical parameters, And as the f- oundation, To guide the design of hydraulic pressure reducing valve setting value ou- tput valve core structure parameters, Through calculation and continuous optimization of the pressure reducing valve to part or whole performance improved perfect.
Key words：Pilot Operated Reducing Valves；Tube Type Conjunction；The Valve Core Structure Parameters
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