Transactions of Materials and Heat Treatment

Title：Influence of joint clearance on vibration of highspeed precision press

Authors： WU Yang-yang ZHAO Yu WU Hong-tao KE Zun-mang

Unit： Nanjing University of Aeronautics and Astronautics

KeyWords： dynamic simulation high speed precision press joint clearance RecurDyn

ClassificationCode：TG315.5

year,vol(issue):pagenumber：2013,38(1):103-107

Abstract：

Product quality, the service life of mould and machine tool were affected by increasing vibration caused by higher speed of crank press. In order to study the effects of clearance on dynamic characteristics, a rigid-flexible coupling dynamic model was established in RecurDyn based on JF75G-200 type of slider-crank mechanism. On the basis of an ideal model, the hybrid contact model considering joint clearance was added to discuss the influence of joint clearance on exciting force. Through the RecurDyn and Matlab co-simulation, the influence of clearance on amplitude was analysed. Thus, the results can be adopted as references for designing of high-speed press dynamic balance.

Funds：

江苏省科技创新与成果转化项目（BY2010108）；江苏省数字化制造技术重点实验开放课题（HGDML-0906）

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