Grinding media and a production method thereof

Details Grinding media and a production method thereof Grinding media and a production method thereof

1994-08-30

1997-07-15

Jones, Deborah

Abrasive tool making process, material, or composition

With inorganic material

51296, 51295, C09C 100

Patent

active

056478798

ABSTRACT:
A new grinding medium consisting essentially of a synthetic resin matrix in which small-sized foam, coarse powdery abrasives and fine powdery abrasives are dispersed is provided. A powder having a low electric resistance is added to the medium to form relatively large-sized foam around the powder. The medium is preferably produced by softening and blocking a synthetic resin powder by high-frequency dielectric heating to form a matrix of the synthetic resin and dispersing small-sized foam, coarse powdery abrasives, fine powdery abrasives and powder having a low electic resistance in the synthetic resin matrix wherein relatively large-sized foam is formed around the powder. The medium has a high ability of abrasion and the surface of the medium is smoothly renewed during the grinding process so that the medium has an excellent grinding effectiveness.

REFERENCES:
patent: 3925034 (1975-12-01), Anna et al.
patent: 4132533 (1979-01-01), Lohmer et al.
patent: 4588420 (1986-05-01), Charvat
patent: 4938784 (1990-07-01), Murakami et al.
patent: 4964884 (1990-10-01), Jurissen et al.
patent: 5405648 (1995-04-01), Hermann
patent: 5441549 (1995-08-01), Helmin

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