Abstract
The servomotor drive turret punch press is attracting more attentions and being developed more intensively due to the advantages of high speed, high accuracy, high flexibility, high productivity, low noise, cleaning and energy saving. To effectively improve the performance and lower the cost, it is necessary to develop new mechanisms and establish corresponding optimal design method with uniform performance indices. A new patented main driving mechanism and a new optimal design method are proposed. In the optimal design, the performance indices, i.e., the local motion/force transmission indices ITI, OTI, good transmission workspace good transmission workspace(GTW) and the global transmission indices GTIs are defined. The non-dimensional normalization method is used to get all feasible solutions in dimensional synthesis. Thereafter, the performance atlases, which can present all possible design solutions, are depicted. As a result, the feasible solution of the mechanism with good motion/force transmission performance is obtained. And the solution can be flexibly adjusted by designer according to the practical design requirements. The proposed mechanism is original, and the presented design method provides a feasible solution to the optimal design of the main driving mechanism for servo punch press.
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This project is supported by National Natural Science Foundation of China(Grant No. 51021064), and National Key Scientific and Technological Program of China(Grant No. 2010ZX04004-116)
ZHOU Yanhua, born in 1973, is currently a lecturer at Yantai Naval Aeronautical and Astronautical University, and a PhD candidate at Department of Precision Instruments and Mechanology, Tsinghua University, China. She received her bachelor degree from Shandong University of Technology, China, in 1995. Her research interests include parallel mechanism and advanced manufacturing equipments.
XIE Fugui, born in 1982, is currently a postdoctoral fellow at Department of Precision Instruments and Mechanology, Tsinghua University, China. He received his PhD degree from Tsinghua University, China, in 2012, and received his bachelor degree from Tongji University, China, in 2005. His research interests include parallel mechanisms and hybrid machine tools.
LIU Xinjun, born in 1971, is currently a professor at Department of Precision Instruments and Mechanology, Tsinghua University, China. He received his PhD degree from Yanshan University, Qinhuangdao China, in 1999. His research interests include parallel mechanisms, parallel kinematic machines and advanced manufacturing equipments. He patented more than 40 inventions and published around 110 papers.
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Zhou, Y., Xie, F. & Liu, X. Optimal design of a main driving mechanism for servo punch press based on performance atlases. Chin. J. Mech. Eng. 26, 909–917 (2013). https://doi.org/10.3901/CJME.2013.05.909
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DOI: https://doi.org/10.3901/CJME.2013.05.909