Method employing abrasive tools for the combined cutting and tri

Details Method employing abrasive tools for the combined cutting and tri Method employing abrasive tools for the combined cutting and tri

1989-05-24

1991-01-08

Rose, Robert A.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

51 5C, 51 42, 51118, 51326, B24B 912

Patent

active

049825313

ABSTRACT:
The method employing abrasive tools for the combined cutting and trimming of glass or crystal articles is carried out while the article (47) is maintained substantially vertical and while the moil (48) constitutes the bottom part of the glass or crystal mass constituting the article (47) to be machined. During cutting, two abrasive discs (10) substantially simultaneously penetrate the article (47) which is to be cut, at substantially opposite locations and in accordance with a substantially opposing directions of approach. Mounted on the same arbor (13) are a cutting disc (10) and a finishing grinder (11) so that the cutting and finishing or trimming operations are performed at the same work station. Mechanisms comprising the elements (37, 39, 40, 21, 25, 26, 27, 28, 29, 33, 34, 35, 36) permit of rapid and easily modulable adaptation of the apparatus between the cutting and finishing operations. A finishing or trimming operation is performed by using the upper surface (44) of the abrasive part (43) of the cutting disc (10). The trimming or finishing operation may be carried out by controlled application of the grinder (11) to the article (47) or by controlled displacement of the grinder (11) in relation to the article (47).

REFERENCES:
patent: 117208 (1871-07-01), Richardson
patent: 4185419 (1980-01-01), Ilk
patent: 4852304 (1989-08-01), Honda et al.
patent: 4872290 (1989-10-01), Jenkinson et al.

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