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TECHNICAL PAPERS

A New Regulating Wheel Truing Method for Through-Feed Centerless Grinding

[+] Author and Article Information
Albert J. Shih

Department of Mechanical and Aerospace Engineering, North Carolina State University, Raleigh, NC 27695-7910

J. Manuf. Sci. Eng 123(2), 319-324 (Jul 01, 2000) (6 pages) doi:10.1115/1.1366684 History: Received August 01, 1999; Revised July 01, 2000
Copyright © 2001 by ASME
Topics: Grinding , Wheels
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References

Krar, S., 1995, Grinding Technology, 2nd Ed., Delmar Publishers Inc.
Goodall, C., 1990, “A Study of the Through Feed Centerless Grinding Process with Particular Reference to the Size Accuracy, Ph.D. Dissertation, School of Engineering, Liverpool Polytechnic, U.K.
Spain, B., 1960, Analytical Quadrics, Pergamon Press, p. 38.
Unno, K., Tsujiuchi, T., and Niino, Y., 1986, Regulating Wheel Dressing System in Centerless Grinder, U. S. Patent Number 4,570,386.
Slonimski, W. I., 1956, Theorie und Praxis des Spitzenlosen Schleifens, Veb Verlag Technik Berlin, Germany.
Meis, F. U., 1980, “Geometrische und Kinematische Grundlagen fur das Spitzenlose Durchlaufschleifen,” Ph.D. Dissertation, Technical University Aachen, Germany.
Petrosky, G. C., 1998, “Workpiece Shape Control in Through-Feed Centerless Grinding,” Ph.D. Dissertation, University of Connecticut, Stoors, CT.
Hashimoto,  F., Kanai,  A., Miyashita,  M., and Okamura,  K., 1983, “High Precision Truing Method of Regulating Wheel and Effect on Grinding Accuracy,” CIRP Ann., 32, No. 1, pp. 237–239.
Shih, A. J., 1999, Centerless Grinding Machine with Optimal Regulating Wheel Truing and Dressing, U.S. Patent Number 5,928,065.
Narayan, S., 1969, Analytical Solid Geometry, S. Chand & Co. 14th Ed.

Figures

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Front view of the circles on the regulating wheel surface with center on the regulating wheel axis (a) a circle tangent to the workpiece circle of radius r (b) a smaller diameter workpiece is generated if the circle on the regulating wheel surface intersects the original workpiece circle at two points, and (c) a larger diameter workpiece is generated if the circle on the regulating wheel surface does not intersect the original workpiece circle
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Front and side view of the conventional through-feed centerless grinding machine truing using the single point diamond (unit: mm)
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Enlarged front view of the interference of the workpiece and regulating wheel in the conventional through-feed centerless grinding machine truing system (Unit: mm)
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Front and side view of the new rotary truing system for through-feed centerless grinding (Unit: mm)
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Enlarged front view of the contact area between (a) workpiece and regulating wheel and (b) truing disk and regulating wheel in the through-feed centerless grinding machine with the new truing system (unit: mm)
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Configuration of the through-feed centerless grinding
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Definition of point A on the axis of the regulating wheel and the directional vector λ
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Mathematical model to find the contact point B between the regulating wheel and workpiece
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Regulating wheel truing method for small diameter part

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