Method for lapping diamond

Details Method for lapping diamond Method for lapping diamond

1982-12-16

1985-08-06

Schmidt, Frederick R.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

51DIG6, 51308, 125 30R, B24B 100, B24D 334

Patent

active

045327378

ABSTRACT:
An improved method for lapping the facets on a hard material such as a diamond provides faster machining and reduced crystallographic sensitivity. The improved method uses a lapping disc coated with an abrasive slurry, which lapping disc comprises a ternary alloy of aluminum, silicon and iron, and which alloy may be oxidized for even further enhanced lapping of the diamond.

REFERENCES:
patent: 3661570 (1972-05-01), Moss
patent: 3676610 (1972-07-01), Moss et al.
patent: 3739445 (1973-06-01), Gabriel et al.
patent: 3814598 (1974-06-01), Gabriel et al.
patent: 4029501 (1977-06-01), Moss
patent: 4162510 (1979-07-01), Keizer
patent: 4321772 (1982-03-01), Ziegel
patent: 4369604 (1983-01-01), Kaganowicz
patent: 4428165 (1984-01-01), Dholakia
E. M. Wilks et al., "The Resistance of Diamond to Abrasion", J. Phys. D:Appl. Phys., vol. 5, 1972, pp. 1902-1919.
"Flat Lapping with Diamond Abrasive--Using the Proper Lap Plate," Cutting Tool Engineering, May/Jun. 1981, pp. 77-78, by Don Hurst.

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