Process for the manufacturing of grinding elements from aluminiu

Details Process for the manufacturing of grinding elements from aluminiu Process for the manufacturing of grinding elements from aluminiu

1991-09-06

1993-05-18

Bell, Mark L.

Abrasive tool making process, material, or composition

Miscellaneous

51309, 501127, 501153, B24D 1800

Patent

active

052117278

ABSTRACT:
A process for the manufacture of grinding elements composed of aluminum oxide, the process including the steps of (a) mixing aluminum oxide with from 0.5 to 2.5 Wt. % of an organic binder based on the aluminum oxide to provide a mixture; (b) granulating the mixture to form a granulate; (c) molding the granulate into molded pieces having grinding element shapes by applying pressure thereto; and (d) firing the molded pieces at a temperature ranging from 1500.degree. C. to 1850.degree. C. in a vertical kiln to produce grinding elements comprised of aluminum oxide.

REFERENCES:
patent: 3090691 (1963-05-01), Weyer
patent: 3093495 (1963-06-01), Whittemore
patent: 3377176 (1968-04-01), Wolkodoff et al.
patent: 3491492 (1970-01-01), Ueltz
patent: 3912526 (1975-10-01), Clark
patent: 4643983 (1987-02-01), Zeiringer
patent: 4970181 (1990-11-01), Pearson
patent: 4996177 (1991-02-01), Takagi et al.

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