Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1992-06-23
1994-04-19
Rose, Robert A.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
5116571, 51289R, B24B 504, B24B 4916
Patent
active
053035127
ABSTRACT:
A method and apparatus for grinding a cylindrical surface of a workpiece by a traverse movement of a grinding wheel having a relatively narrow grinding surface. To improve the cylindricity of cylindrical surface, the traverse grinding is divided into a rough traverse grinding and a finish traverse grinding. In the rough traverse grinding, a traverse girding is carried out with a large depth of cut which would causes a deterioration of the cylindricity at one end of the cylindrical surface. In the finish traverse grinding, a traverse girding is carried out with a small depth of cut to improve the cylindricity. In another embodiment, one of grinding conditions such as the traverse speed of the grinding wheel, the rotational speed of the workpiece and the peripheral speed of the grinding wheel is changed when the grinding wheel approaches an end of the cylindrical surface at which the traverse grinding ends so as to make the grinding force constant, thereby improving the cylindricity of the cylindrical surface. In other embodiments, the position of the wheel head is compensated based upon the measured diameter of the cylindrical surface so that the entire area of the cylindrical surface has a desired diameter. This compensation also improves the cylindricity of the cylindrical surface.
REFERENCES:
patent: 3333370 (1967-08-01), Parrella
patent: 3751860 (1973-08-01), Tittle
patent: 4294045 (1981-10-01), Enomoto et al.
patent: 4905417 (1990-03-01), Oda et al.
Machinery and Production Engineering, vol. 145, No. 3717, Jun. 3, 1987, pp. 57-58, 61-62, Horton Kirby, "Finding the Right Approach".
F. H. Colvin, et al., "Grinding Practice", Second Edition, Third Impression, 1943, pp. 28-29, 35-36.
Society of Manufacturing Engineers, Tool and Manufacturing Engineers Handbook, Fourth Edition, vol. 1, Chapter 11, T. J. Drozda, et al., "Principles of Grinding", 4 pages.
Imai Tomoyasu
Mukai Ryohei
Nakamura Hisashi
Oda Yukio
Ohta Norio
Rose Robert A.
Toyoda Koki Kabushiki Kaisha
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