Hydrodynamic Fluid Pressure in Grinding Zone During Grinding With Metal-Bonded Diamond Wheels

Author:

Zhang Bo1,Nakajima Akira1

Affiliation:

1. Faculty of Science and Engineering, Saga University, 1 Honjo-machi, Saga-shi 840-8502, Saga, Japan

Abstract

Experimental and theoretical studies on hydrodynamic fluid pressure were conducted for the cases of plane grinding with nonporous metal bonded diamond wheels of SD140 and SD4000. Hydrodynamic force was successfully separated from the actual grinding force using the device developed in this study. Both experimental results and theoretical analysis showed that the effect of side leakage of grinding fluid on hydrodynamic pressure is negligible under grinding condition and therefore the infinite width cylindrical bearing theory is applicable. The effective clearance includes the effects of both the protrusion of cutting points and the waviness of the wheel surface for SD140. However, for a fine wheel such as SD4000, the waviness is predominant. Hydrodynamic force predominates normal grinding force even for a coarse wheel as SD140. [S0742-4787(00)01302-3]

Publisher

ASME International

Subject

Surfaces, Coatings and Films,Surfaces and Interfaces,Mechanical Engineering,Mechanics of Materials

Reference13 articles.

1. Malkin, S., 1989, Grinding Technology: Theory and Application of Machining with Abrasive, Ellis Howood Ltd, p. 150.

2. Schumack, M. R., Chung, J. B., Schultz, W. W., and Kannatey-asibu, E., 1991, “Analysis of Fluid Flow under a Grinding Wheel,” ASME J. Eng. Ind., 113, pp. 190–197.

3. Engineer, F., Guo, C., and Malkin, S., 1992, “Experimental Measurement of Fluid Flow through the Grinding Zone,” ASME J. Eng. Ind., 114, pp. 61–66.

4. Guo, C., and Malkin, S., 1992, “Analysis of Fluid Flow through the Grinding Zone,” ASME J. Eng. Ind., 114, pp. 427–434.

5. Campbell, J., 1993, “Investigation of the Grinding Fluid Film Boiling Limitation,” Proceedings of the 5th International Grinding Conference, II, SME, Cincinnati, Ohio.

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