Transactions of Materials and Heat Treatment

Title：Computer control system of LPS-4000 hydraulic tryout press

Authors： LI Feng CHEN Bai-jin WU Tong(National Key Laboratory of Plastic Forming Simulation and Die Technology Huazhong University of Science and Technology Wuhan Hubei 430074 China)

Unit：

KeyWords： hydraulic double-action tryout presses control WinCC S7-400

ClassificationCode：TG385

year,vol(issue):pagenumber：2006,31(5):90-93

Abstract：

The pressures,positions and velocities of four cylinders of LPS-4000 hydraulic double-action tryout presses are controlled by computer,which sends out instructions to complete the whole press process according to the procedures predetermined.In the mean time,the realtime changes of stress and strain are also recorded by computer,which makes contributions to subsequent analysis and research of material performance.According to its functional characteristics,this paper puts forward one kind of control system which is based on Windows Control Center and S7-400 Programmable Logic Controller.Moreover,the whole plan,control principle,constitution and function of the control system and its control strategy are illustrated too.

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Reference：

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