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《Computer Aided Engineering》 2009-04
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Optimization on offset printing press structure

HU Nianwu,CHEN Nan,LI Wenwei,YANG Dong(School of Mechanical Eng.,Southeast Univ.,Nanjing 211189,China)  
To improve the printing quality of offset printing press when it is working at high speed,a dynamics model is built for a kind of offset printing press,and the vibration mode and dynamic characteristics are recognized and analyzed accurately by simulation.It shows that the unreasonable structure of the wallboard is the main reason that results in bigger vibration of whole machine under the effect of exciting force;taken the weight values of the first four natural frequency as the standards to evaluate the dynamic performance of the frame,the effect of the strengthened bar parameters of wallboard on the dynamic performance is analyzed by sensitivity analysis method,and the structure design is optimized.The optimization result shows that one order natural frequency of the frame is increased by 18.1%.The method can improve the dynamic performance and enhance the competition for the offset printing press.
【Fund】: 江苏省科技成果转化专项资金(BT2007072)
【CateGory Index】: TS827
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