Method for breaking steel rod into billets

Details Method for breaking steel rod into billets Method for breaking steel rod into billets

1974-12-13

1976-05-25

Meister, J. M.

Severing by tearing or breaking

Methods

With preliminary weakening

148 96, 225 935, 225 96, 225 965, 225102, B26F 300

Patent

active

039587320

ABSTRACT:
A method for breaking a steel rod into billets for forging, rolling, etc., by cutting a circumferential notch in the surface of the steel rod, locally heating the surface areas of the rod adjacent the notch so that the temperature at the notch bottom is less than a transformation temperature of the steel of the rod, quenching the rod thereby to develop a crack extending from the notch bottom toward the center of the rod, and applying a mechanical load to break the rod along its notched portion.

REFERENCES:
patent: 1209250 (1916-12-01), Bellanger
patent: 1335977 (1920-04-01), Macdonald
patent: 2125922 (1938-08-01), Hopfield
patent: 2298528 (1942-10-01), De Causse
patent: 3406886 (1968-10-01), Wesel et al.

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