信息来源：暂无发布日期: 2015-03-28浏览次数:

Tieping Wei^{a ,*}, Xiaoxiang Yang^a, Jinhui Yao^b, Hang Xu^b

^aSchool of Mechanical Engineering and Automation, Fuzhou University, Fuzhou 350116, PR China

^bFujian Province Institute of Metrology, Fuzhou 350003, PR China

abstract

The influence of a balanced structure on the rotation effect of a build-up system was investigated using an orthogonal array, which can efficiently reduce the total number of experiments. Based on mechanical analysis, four primary influence factors of the balanced structure were specified, including the thickness, material and shape of the balanced platen, and the height of the bearing outer ring. Finite element method (FEM) was employed to investigate the relationship between four factors and the maximum differential of the horizontal side force (F_m) on a force transducer in the measurement of different orientations. We found that by decreasing the F_m, less rotation effect of the build-up system would be. The results of FEM simulations and the related assumption were validated by orthogonal-array experiments results. Furthermore, FEM simulations for the effects of the height of the bearing outer ring demonstrated that the magnitude of Fm initially decreases with increasing the height of the bearing outer ring, but then levels off.

Keywords:

Build-up system Rotation effect Balanced structure Horizontal side force FEM