Grinding of cemented carbide with electrical spark assistance

被引：64
|
作者：
Koshy, P [1 ]
Jain, VK [1 ]
Lal, GK [1 ]
机构：
[1] Indian Inst Technol, Dept Mech Engn, Kanpur 208016, Uttar Pradesh, India
来源：
JOURNAL OF MATERIALS PROCESSING TECHNOLOGY | 1997年 / 72卷 / 01期
关键词：
hybrid machining; diamond grinding; electrical discharge machining (EDM); cemented carbide; declogging; material removal parameter;
D O I：
10.1016/S0924-0136(97)00130-1
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The paper presents the behaviour of WC-TiC-(TaNb)C-Co cemented carbide whilst diamond grinding with electrical spark discharges incorporated at the wheel-work interface. The effect of the current and the pulse on-time of the discharges on the material removal rate and grinding forces is studied to elucidate the mechanism of material removal. The results indicate that the discharges enhance the grinding performance by effectively declogging the wheel surface. The increase in the wear resistance of the material at low discharge power is interpreted in terms of the role of fracture toughness in the wear of the composite. (C) 1997 Elsevier Science S.A.
引用
收藏
页码：61 / 68
页数：8
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