A novel electro-discharge dressing technique for nonelectrical diamond grinding wheels

被引：0
|
作者：
Cai, L. R. [1 ]
Yu, J. H. [1 ]
Wan, Z. M. [1 ]
机构：
[1] Tianjin Key Lab High Speed Cutting & Precis Machi, Tianjin 300222, Peoples R China
来源：
MANUFACTURING AUTOMATION TECHNOLOGY DEVELOPMENT | 2011年 / 455卷
关键词：
Mechanism; Dressing; Nonelectrical; Grinding wheel;
D O I：
10.4028/www.scientific.net/KEM.455.165
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Conventional electrical discharge truing/dressing(EDD) technology shows important limitations that it is only applicable to electrical grinding wheels. This paper proposed novel EDD technology which could truing/dressing nonelectrical superabrasive grinding wheels such as resin-bonded diamond wheel and vitrified CBN wheel by means of covering electrical material on the surface of wheel. The principle of removing non-electrical bond during dressing process is illustrated. The results of electrical discharge dressing under different discharge current (i(e)) were compared. Experiments results indicate that the EDD method proposed in this paper has been applicable to nonelectrical bond wheels. In addition, discharge current has direct influence on the wheel surface topography and the performance of diamond grain.
引用
收藏
页码：165 / 168
页数：4
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