Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1990-10-05
1992-05-19
Kisliuk, Bruce M.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51326, 125 1101, B24B 100
Patent
active
051136244
ABSTRACT:
In one method of cross-grinding in accordance with the present invention a non-planar surface on a workpiece, of a non-metallic material having a Vickers hardness value up to 5000, comprises, in each of two grinding steps, traversing the rotational axis of a grinding wheel along a predetermined axis, relative to the workpiece surface. In the first step the radially extending plane of the grinding wheel includes the predetermined axis, and the required workpiece surface is produced with inevitable ridges. For the second grinding step the working surface of the same, or different, grinding wheel is shaped by a tool capable of shaping in a normal manner the working surface suitable for the first grinding step. However, the working surface of the grinding wheel is altered by the radially extending plane of the wheel when presented to the tool being inclined in one sense at a selected angle, in the range 1.degree. to 20.degree., to the direction of this plane if presented to the tool to obtain the shape suitable for the first grinding step. In the second grinding step the ridges on the workpiece are reduced by the radially extending plane of the wheel with said altered working surface being inclined in said one sense at the selected angle to the orientation of the radially extending plane of the grinding wheel in the first grinding step.
REFERENCES:
patent: 3299579 (1967-01-01), Jacobson
patent: 3904391 (1975-01-01), Lindstrom et al.
Kisliuk Bruce M.
Morgan Eileen
T&N Technology Limited
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