Paper Title:
Energy and Material Removal Mechanisms for the Grinding of Cemented Carbide with Brazed Diamond Wheels
  Abstract

An investigation was undertaken to explore the specific energy and material removal mechanisms involved in the grinding of cemented carbide with vacuum brazing diamond wheels. A mathematical model, relating to the grinding parameters such as wheel velocity, workpiece feedrate and depth of cut, was proposed to predict specific grinding energy, and was verified by experimental data. This verification came as a result of surface grinding two typical cemented carbides (YG8 and YG30) with a vacuum brazing diamond wheel under various grinding conditions. The earlier model’s prediction shows a direct correlation with the experimental results. Good relationships between the consumed power per unit width with the plowed face areas generated by all cutting points per unit width were obtained. Microscopic examination of the ground surfaces and the grinding detritus by a digital and video microscope system also revealed that material removal occurred mainly by flow-type chip formation (plastic flow) while grinding YG8 and by blocky fracture particles formation (brittle fracture) while grinding YT30.

  Info
Periodical
Solid State Phenomena (Volume 175)
Edited by
Xipeng Xu
Pages
58-66
DOI
10.4028/www.scientific.net/SSP.175.58
Citation
Y. J. Zhan, Y. Li, H. Huang, X. Xu, "Energy and Material Removal Mechanisms for the Grinding of Cemented Carbide with Brazed Diamond Wheels", Solid State Phenomena, Vol. 175, pp. 58-66, 2011
Online since
June 2011
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$32.00
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