Method for making cast iron engine blocks and the like

Details Method for making cast iron engine blocks and the like Method for making cast iron engine blocks and the like

1981-07-17

1985-01-15

Lin, Kuang Y.

Metal founding

Process

Shaping liquid metal against a forming surface

164 571, B22D 2720

Patent

active

044933592

ABSTRACT:
A method for making grey iron castings having as a cardinal feature that the molten grey iron, after being made and prior to being poured into the molds, is maintained for a period of from one and one-half to two and one-half hours, preferably about two hours, at a substantially constant temperature. The resulting greatly increased homogeneity and temperature uniformity of the molten metal throughout its mass greatly improves the quality and quality control of the castings made.

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patent: 3013911 (1961-12-01), Peras
patent: 3055755 (1962-09-01), Schelleng
patent: 3197306 (1965-07-01), Osborn et al.
patent: 3299482 (1967-01-01), Tache et al.
patent: 3375106 (1968-03-01), McKissick et al.
"Legieren und Impfen von Kupolofeneisen in einem Reaktionsgefass", Giesserei-Praxis, No. 12, Doelman et al., 6/25/81, pp. 205-217.
Giesseri-Praxis, No. 4, "Eigenschaften von legiertem Gusseisen mit Lamellengraphit bei hoheren Temperaturen zur Verwendung in Dieselmotoren", Gundlach, 2/25/79. pp. 219-259.

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