Development of a metal removal model using spherical ceramic media in a centrifugal disk mass finishing machine

被引：46

作者：

Cariapa, Vikram ^{[1
]}

Park, Hyunjae ^{[1
]}

Kim, Jongsoo ^{[1
]}

Cheng, Cunjiang ^{[1
]}

Evaristo, Antonio ^{[2
]}

机构：

[1] Marquette Univ, Dept Mech Engn, Milwaukee, WI 53201 USA

[2] UFRGS Escola Adm, BR-90010460 Porto Alegre, RS, Brazil

来源：

INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY | 2008年 / 39卷 / 1-2期

关键词：

centrifugal disk mass finishing; material removal rate; spherical ceramic media;

D O I：

10.1007/s00170-007-1195-5

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This research treats a moving workload, consisting of ceramic media and metal work pieces, as a pseudo-fluid in a centrifugal disk mass finishing machine and utilizes appropriate fluid-dynamic theory and numerical analysis (CFD) to model the workload motion in the machine. Physical weight loss experiments with triangular, cylindrical and spherical media proved that only spherical media was acceptable for use. This media was used to obtain material removal rates from cylindrical aluminum, brass and steel coupons and generated a material removal model that relates metal removal rates to the ratios of the density and hardness of the metal coupons and media respectively, with a maximum deviation of about 16%. In addition, regardless of media shape, abrasive content in media was directly related to rate of media weight loss. Also, decreasing rates of media weight loss were observed for triangular, cylindrical and spherical media.

引用

页码：92 / 106

页数：15

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