The exit defects in drilling carbon fibre-reinforced plastics

被引：0

作者：

Zhang, HJ ^{[1
]}

Chen, WY ^{[1
]}

Chen, DC ^{[1
]}

Zhang, LC ^{[1
]}

机构：

[1] Univ Sydney, Dept Mech & Mechatron Engn, Sydney, NSW 2006, Australia

来源：

PROGRESS OF MACHINING TECHNOLOGY: WITH SOME TOPICS IN ADVANCED MANUFACTURING TECHNOLOGY | 2000年

关键词：

carbon fibre-reinforced plastics; spalling; fuzzing; drilling conditions;

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This paper investigates the formation of the exit defects in carbon fibre-reinforced plates and characterizes their features in terms of drilling conditions. It was found that spalling and fuzzing are the major mechanisms of exit defects. The spalling, consisting of a main region and a secondary region, is caused by chisel and cutting edge actions, in which the former plays a key role. The fuzzing, however, usually exists in the cutting region where the included angle between the fibre direction of the surface layer and that of the cutting speed is acute. A severer spalling damage corresponds to a low drilling speed and a large feed rate. Some empirical relationships were developed between the characteristic dimension of the spalling damage and drilling variables.

引用

页码：18 / 23

页数：6

共 46 条

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