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基于能量均匀释放原则的工作缸卸荷曲线研究 被引量:13

Research on working cylinder unloading curve based on principle of energy uniform release
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摘要 以200MN挤压机为研究对象,针对工作缸卸荷时的压力冲击问题,提出一种基于能量均匀释放原则的卸荷阀阀芯开启曲线。通过理论分析及公式推导,得到利用插装阀进行工作缸卸荷时的阀芯开启曲线,并利用AMES-IM软件对卸荷过程进行仿真,对比不同卸荷曲线的液压冲击情况。仿真结果表明:提出的卸荷曲线能够有效地提高工作缸卸荷过程的平稳性和快速性,对于实际应用具有理论指导意义。 The research was based on 200 MN extrusion press.By the problem of hydraulic impact of the working cylinder in the unloading process,a kind of unloading curve based on the principle of energy uniform release was presented.By theoretical analysis and formula deducing,the spool opening curve using cartridge valve in the process of working cylinder unloading was obtained.And by simulation to the unloading process with AMESIM software,hydraulic impact under different unloading curves was contrasted.The results show that the presented curve can effectively make the unloading process stable and fast.
作者 司玉校 谭建平 孙康 SI Yu-xiao,TAN Jian-ping,SUN Kang,(1.College of Mechanical and Electronic Engineering,Central South University,Changsha 410012,China; 2.State Key Lab of Fluid Power Transmission and Control,Zhejiang University,Hangzhou 310007,China)
出处 《锻压技术》 CAS CSCD 北大核心 2012年第1期 91-94,共4页 Forging & Stamping Technology
基金 “高档数控机床与基础制造装备”国家科技重大专项(2009ZX04005-031) 流体动力与机电系统国家重点实验室开放基金(GZKF-201023)
关键词 液压机 工作缸 能量均匀释放 卸荷曲线 液压冲击 hydraulic press working cylinder energy uniform release unloading curve hydraulic impact
作者简介 作者简介:司玉校(1986-),男,硕士研究生电子信箱:syxcsu@163.com
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