吉林大学学报(工学版) ›› 2011, Vol. 41 ›› Issue (4): 1020-1024.

• paper • Previous Articles     Next Articles

Dynamic behaviors of rigid-flexible coupling for novel 4-UPS-UPU parallel coordinate measuring machine

CHEN Xiu-long1, JIA Shuai-shuai1, DENG Yu1, ZHAO Yong-sheng2   

  1. 1.College of Mechanical and Electronic Engineering, Shandong University of Science and Technology, Qingdao 266510,China|2.College of Mechanical Engineering,Yanshan University, Qinhuangdao 066004,China
  • Received:2010-05-12 Online:2011-07-01 Published:2011-07-01

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Abstract:

A new 4-UPS-UPU five-degree of freedom Parallel Coordinate Measuring Machine (PCMM) is proposed. The stationary platform of PCMM is connected with the moving platform by four identical Universal-joints Prismatic-pairs Spherical-joints (UPS) driving links and one Universal-joints Prismatic-pairs Universal-joints (UPU) link. Integrating CAD, CAE and visual technologies, the dynamic behaviors of the rigid-flexible PCMM was investigated. The three-dimension model of PCMM was built in SolidWorks. The modal neutral file of the flexible body of driving limbs was generated in ANSYS. Then the rigid-flexible virtual prototyping of 4-UPS-UPU PCMM was built in ADAMS. Based on the rigid-flexible model, the dynamic behaviors, including kinematics output response, dynamic stress of driving limbs and natural frequency were simulated. Simulation results show that the flexibility of the driving limbs significantly impacts the system dynamics, the proposed rigid-flexible model can reflect the dynamic behaviors of PCMM.

Key words: technology of instrument and meter, parallel coordinate measuring machine, rigid-flexible coupling, dynamic behaviors, virtual prototyping

CLC Number: 

  • TH703
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