Thermal Aspects of Grinding With Electroplated CBN Wheels
Author:
Upadhyaya R. P.1, Malkin S.1
Affiliation:
1. Department of Mechanical & Industrial Engineering, Engineering Lab Building, University of Massachusetts, Amherst, MA 01003
Abstract
An investigation is reported on the thermal aspects of grinding with single layer electroplated CBN wheels. The topography of these wheels is not periodically restored by dressing or truing, so the grinding behavior progressively changes as the wheel wears down. Straight surface grinding experiments were conducted to determine the effect of wheel wear and fluid flow on the grinding temperatures and energy partition. Low energy partition values of 3%–8% were obtained at temperatures below the fluid burnout limit. The energy partition results were analyzed in terms of a topographical analysis of the wheel surface and a thermal model which accounts for the removal of heat at the grinding zone by conduction to the abrasive grains and to the grinding fluid.
Publisher
ASME International
Subject
Industrial and Manufacturing Engineering,Computer Science Applications,Mechanical Engineering,Control and Systems Engineering
Reference11 articles.
1. Malkin, S., 1989, Grinding Technology: Theory and Applications of Machining with Abrasives, Ellis Horwood Ltd, Chichester, and John Wiley & Sons, New York. Reprinted by SME, Dearborn, Michigan 2. Kohli, S. P., Guo, C., and Malkin, S., 1995, “Energy Partition for Grinding with Aluminum Oxide and CBN Abrasive Wheels,” ASME J. Eng. Ind., 117, pp. 160–168. 3. Lavine, A. S., Malkin, S., and Jen, T., 1989, “Thermal Aspects of Grinding with CBN,” CIRP Ann., 38(1), pp. 557–560. 4. Guo, C., Wu, Y., Varghese, V., and Malkin, S., 1999, “Temperatures and Energy Partition for Grinding with Vitrified CBN Wheels,” CIRP Ann., 48(1), pp. 247–250. 5. Varghese, V., Guo, C., Malkin, S., and Xiao, G., 2000, “Energy Partition for Grinding of Nodular Cast Iron with Vitrified CBN Wheels,” Mach. Sci. Technol., 4(2), pp. 197–208.
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