Abrasive foam grinding composition

Details Abrasive foam grinding composition Abrasive foam grinding composition

1996-05-16

1998-02-03

Jones, Deborah

Abrasive tool making process, material, or composition

Pore forming

51293, B24D 334, B24D 1102

Patent

active

057139687

ABSTRACT:
The present invention relates generally to abrasive stone pads for use in processing workpiece surfaces. The abrasive stones generally are produced by combining a phenolic resin mixture with a diluent and then injecting microballoon structures into the resin/diluent mixture to create a porous solution. The diluent is initially ball milled with an abrasive in a tumbler to eliminate the agglomerates and is then added to a resin monomer. A suitable catalyst is added to the mixture to create a chemical reaction, further increasing the porocity of the substance. The mixture is poured into molds and with through a filter or frit plate to remove excess resin and diluent. Finally, the mixture is cured, creating abrasive stones having a uniform surface and bulk structure with a uniform hardness, suitable for workpiece grinding.

REFERENCES:
patent: 2734812 (1956-02-01), Robie
patent: 2806772 (1957-09-01), Robie
patent: 2986455 (1961-05-01), Sandmeyer
patent: 3925034 (1975-12-01), Anna et al.
patent: 5472461 (1995-12-01), Li

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