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Improvement of Machining Accuracy in Micro Cylindrical Traverse Grinding

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Abstract:

The elastic deformation of workpiece acted by grinding force is so large as to make the low machining efficiency and accuracy in the cylindrical grinding of micro parts of which the stiffness is extremely small because of their small diameter. In this study, the perpendicular axis type cylindrical traverse grinding is proposed for the manufacture of micro parts, and the undeformed chip shape in the grinding process is investigated comparing with that in the parallel axis type traverse grinding using generally for manufacture of over small-sized parts. The surface finish and the form accuracy of workpiece by the perpendicular axis type grinding are finer than those by the parallel axis type grinding with the developed micro cylindrical grinding machine.

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Periodical:

Key Engineering Materials (Volume 329)

Pages:

39-44

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.329.39

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Online since:

January 2007

Authors:

Kazuhito Ohashi, Gui Fu He, Shinya Tsukamoto

Keywords:

Grinding Accuracy, Grinding Force, Micro Cylindrical Grinding, Perpendicular Axis Type Grinding, Undeformed Chip Shape

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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References

[1] ��M. Jin, and M. Murakawa: Study on Fabrication Method for Micro Parts (in Japanese), Proc. of Spring Meeting of JSPE in 2003(2003) p.456.

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[2] T. Nakajima and N. Narutaki: Machining Technology (in Japanese) (Corona Publishing Co. Ltd, Tokyo 1983).

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[3] K. Okamura and T. Nakajima: Characteristics in Grinding (1st. Report) (in Japanese), J. of the Japan Society of Precision Engineering Vol. 38 (1972), pp.580-585. (a)�Perpendicular axis (b)�Parallel axis.

DOI: 10.2493/jjspe1933.38.580

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