Method of manufacturing cast-iron bonded diamond wheel

Details Method of manufacturing cast-iron bonded diamond wheel Method of manufacturing cast-iron bonded diamond wheel

1987-06-15

1988-06-14

Clingman, A. Lionel

Abrasive tool making process, material, or composition

Miscellaneous

51309, B24D 306

Patent

active

047509147

ABSTRACT:
A method of manufacturing a cast-iron bonded diamond wheel, by using a cast iron as a bond for holding diamond particles together. After a powder mixture consisting of the diamond particles and the cast iron is molded into a desired formed body, a core tube of a heating furnace is loaded with the formed body. The core tube is maintained in a fluid-tight condition, and a flow of pure H.sub.2 gas is introduced into the core tube, so as to maintain the atmosphere within the core tube such that a dew point of the atmosphere is -50.degree. C. or lower. In this condition, the core tube is heated from the outside, whereby the formed mass of diamond abrasive and cast iron bond is sintered into the diamond wheel.

REFERENCES:
patent: 4523930 (1985-06-01), Williston
patent: 4591363 (1986-05-01), Silverman
patent: 4634453 (1987-01-01), Hay et al.
patent: 4671021 (1987-06-01), Takahashi et al.

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