Method of producing composite steel body shaft

Details Method of producing composite steel body shaft Method of producing composite steel body shaft

1987-10-23

1989-03-28

Lin, Kuang Y.

Metal founding

Process

Shaping liquid metal against a forming surface

164497, 164515, B22D 1906, B22D 2702

Patent

active

048155217

ABSTRACT:
A method of producing a composite steel body shaft by using at least one cooling metal mold having a cavity of a diameter and a steel body having another cavity of another diameter both of which cavities are coaxially disposed to define a through-hole in which the remelting and solidifying of electrode is effected to provide a shaft portion connected to the hollow body. At a contact position defined by both the metal mold and the hollow steel body at which contact position the diameter of the through-hole is reduced step-wise, a space is provided so that the diameter of the through hole is reduced gradually without the step-wise reduction of diameter of the through hole so as to prevent the confining of slag from occurring at the contact position.

REFERENCES:
patent: 3972366 (1976-08-01), Dugan

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