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An exact solution for surface temperature in down grinding. (English) Zbl 0996.74027
Summary: A model has previously been developed [T.-C. Jen and A. S. Lavine, J. Heat Transfer 117, 473-478 (1995)] for heat transfer in down grinding. A numerical solution algorithm was used to solve the system of equations. In this paper, an exact solution is found for this set of equations. The effect of location of heat generation (i.e., at wear flats or shear planes) is explored for three typical grinding conditions: conventional grinding with aluminum oxide abrasives, creep feed grinding with aluminum oxide abrasives, and conventional grinding with cubic boron nitride (CBN) abrasives. It is found that during grinding with CBN, there is a strong effect of the assumed location of heat generation.
MSC:
74F05Thermal effects in solid mechanics
76T10Liquid-gas two-phase flows, bubbly flows
80A20Heat and mass transfer, heat flow
80A22Stefan problems, phase changes, etc.