Influences of dressing lead on surface roughness of ultrasonic-assisted grinding
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- 作者：Haifeng Chen (1)
Jinyuan Tang (1)
Xiejun Lang (1)
Yulin Huang (1)
Yuhui He (1) - 关键词：Grinding ; Ultrasonic ; Surface roughness ; Dressing
- 刊名：The International Journal of Advanced Manufacturing Technology
- 出版年：2014
- 出版时间：April 2014
- 年：2014
- 卷：71
- 期：9-12
- 页码：2011-2015
- 全文大小：7,353 KB
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Jinyuan Tang (1)
Xiejun Lang (1)
Yulin Huang (1)
Yuhui He (1)
1. State Key Laboratory of High Performance Complex Manufacturing, Central South University, Changsha, Hunan, China, 410083 - ISSN：1433-3015
文摘
Although the surface characteristics of the grinding wheel as well as its correlation with the grinding performance are largely influenced by dressing lead in conventional grinding (CG), little focus is placed on dressing lead in ultrasonic-assisted grinding (UAG). In this research, the effects of dressing lead and ultrasonic vibration on ultrasonic-assisted grinding are studied. Longitudinal vibration at ultrasonic frequency range is applied to the workpiece. The surface roughness and the characteristics of the three-dimensional ground surface morphology are compared between CG and UAG at several dressing leads and vibration amplitudes. The kinematics of the peak of the grinding wheel is employed for the theoretical analysis. The results show that the surface roughness has been improved for all UAG experiments and that the vibration amplitudes have exerted different influences on the surface roughness at different dressing leads. The dressing lead is an optimum one when it is four times the amplitude, at which minimal surface roughness is produced.