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Fundamental study of honing
Abstract
A detailed investigation is reported on the fundamentals of the honing process, including both the mechanical and thermal aspects of the process. An experimental test rig was developed consisting of a honing machine, with sensors to measure spindle poser, expansion pressure, and honing head displacement, interfaced to a computer for data acquisition and analysis. Experimental results are presented for both conventional abrasives and superabrasives, which show the effects of honing variables on performance including honing power, removal rate, specific energy, stone wear, honing ratio, and surface finish. Results indicate that the forces and specific energy associated with the process can be separated into chip formation, sliding, and plowing components. The specific chip formation energy is found to be approximately 13 $J/mm\sp3$, which is remarkably close to that for grinding. The results also indicate that honing performance is very sensitive to the stone hardness grade. Unlike conventional silicon carbide stones, the behavior of CBN stones is found to be time dependent which is related to dulling of CBN grits by attrition. The local temperature in the vicinity of an individual grain and the background temperature over the stone-workpiece interface is much lower than for grinding, which suggests that thermal damage to the workpiece is unlikely to be a significant factor for honing.
Subject Area
Mechanical engineering
Recommended Citation
Lee, Jongchan, "Fundamental study of honing" (1991). Doctoral Dissertations Available from Proquest. AAI9120906.
https://scholarworks.umass.edu/dissertations/AAI9120906