Transactions of Materials and Heat Treatment

Title：Research on dynamic performance of steel wire wound frame for 400 MN hydraulic mold forging press

Authors： He Wenbin He Shaotai Du Jinguang Hou Junjian Wang Yong

Unit： (Henan Key Laboratory of Intelligent Manufacturing of Mechanical Equipment Zhengzhou University of Light Industry Zhengzhou 450002 China)

KeyWords： Key words: bumpy ridge joining hydraulic mold forging press modal analysis prestressed factor steel wire wound dynamic performance

ClassificationCode：TG315.4

year,vol(issue):pagenumber：2019,44(2):112-119

Abstract：

The modal analysis of frame for 400 MN hydraulic mold forging press was performed by the finite element analysis software ABAQUS, and the first ten order natural frequencies and vibration modes were extracted. Then, the causes of various vibration modes and their effects on the performance of hydraulic press were analyzed, and the change law of the natural frequency of frame under different prestressed factors and the influence of bumpy ridge joining structure on the dynamic performance of hydraulic press were studied. The results show that when the prestressed factor increases from 0 to 0.05, the natural frequency of frame increases, and after it is greater than 0.05, the natural frequency remains basically constant. Furthermore, the prestress effect of steel wire increases the natural frequency of frame by 7% to 35%, and the minimum natural frequency of the hydraulic mold forging press frame is 5.49 Hz, which is much larger than the working frequency, and the equipment does not resonate when it is working. However, the bumpy ridge joining structure cannot change the natural frequency and amplitude and has no effect on the overall dynamic performance of the hydraulic press.

Funds：

基金项目:河南省自然科学基金资助项目（182300410215）；河南省科技攻关项目(162102210053，172102210547）

作者简介：何文斌（1970-），男，博士，教授 Email：hwb@zzuli.edu.cn 通讯作者：都金光（1984-），男，博士，讲师 Email：dujinguangzzuli@163.com

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