Parameters Optimization on the Lapping Process of 9Cr18 with Taguchi Method

Abstract:

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9Cr18 is a type of martensite stainless steel. It has high hardness, chemical stability, fine anticorrosion, wearable and quench stability. It has been used in different areas with high-anticorrosion and high polishing surface as mirror. So it requires for the high level surface quality after lapping and polishing. In this paper, the surface quality (surface roughness and flatness) of 9Cr18 is discussed with lapping parameters which include velocity, load and time distribution of two lapping steps(rough lapping and Ultra-precision lapping). In order to optimize those parameters, an optimization experiment for lapping 9Cr18 with Al2O3 was designed by Taguchi method. Finally, the optimum condition of each factor can be determined that speed: 80rpm, load:3.0kPa, and time distribution: rough lapping time=15min, Ultra-precision lapping time=45min are the optimum conditions for both Ra and Wt.

Info:

Periodical:

Key Engineering Materials (Volumes 359-360)

Edited by:

Jiuhua Xu, Xipeng Xu, Guangqi Cai and Renke Kang

Pages:

158-161

DOI:

10.4028/www.scientific.net/KEM.359-360.158

Citation:

X. F. Zheng et al., "Parameters Optimization on the Lapping Process of 9Cr18 with Taguchi Method", Key Engineering Materials, Vols. 359-360, pp. 158-161, 2008

Online since:

November 2007

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Price:

$35.00

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