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Study on Ultra-Precision Ball Surface Floating Polishing Kinematics Mechanism

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Abstract:

The high precision balls are requested in national defense, astronautics and high-tech commercial domain urgently. Conventional precision machining methods are sensitive to uniformity of abrasives and machining environment. After precision machining, there are easily to produce thick damaged layer on the ball surface because of machining stress and chemical conversion. On the basis of the floating polishing mechanism, a new scatheless ultra-precision polishing method of ball surface can solve the problems of abrasives uniformity effectively and damaged layer. In order to ensure that the new polishing method polishes ball surface equally, the appropriate angular velocities of the ball should be selected. This paper sets up the mathematical model about the motion of ball. By analyzing and simulating the relationship of the angular velocities, the best processing parameters are acquired.

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Periodical:

Materials Science Forum (Volumes 532-533)

Pages:

109-112

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.532-533.109

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Online since:

December 2006

Authors:

Xun Lv, Ju Long Yuan, Dong Hui Wen, Qian Fa Deng, Fei Yan Lou

Keywords:

Ball Surface, Kinematics Mechanism, Ultra-Precision Polishing

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© 2006 Trans Tech Publications Ltd. All Rights Reserved

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References

[1] G.Q. Yi: Gyroscope Theoretics and Application (BeiHang University Publications, China 1990).

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[2] Y.Z. Liu: Mechanics of Gyroscope (Science Publications, China 1986).

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[3] J.L. Yuan: Ultra-precision Machining of Functional Ceramics (Harbin Institute of Technology Press Publications, China 2000).

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[4] X. Lv, J.L. Yuan,Y. Dai and et al: Key Engineering Materials, Vol. 304-305 (2005), pp.398-402. Fig. 5 Simulation trace of a point (Changed angular velocities, MatLab) Fig. 4 Simulation trace of a point (Fixed angular velocities, MatLab).

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