Process and permanent mold for mold-casting electrically conduct

Details Process and permanent mold for mold-casting electrically conduct Process and permanent mold for mold-casting electrically conduct

1991-09-04

1992-10-20

Batten, Jr., J. Reed

Metal founding

Process

Shaping liquid metal against a forming surface

164 80, 164120, 164513, B22D 1500, B22D 1802, B22D 2306

Patent

active

051562022

ABSTRACT:
A permanent mold for mold-casting reactive metals and metal alloys (FIG. 1) includes a multiple of radially disposed, plate-like segments 3, 3', 3", . . . which enclose the workpiece 12 and are preferably made of cooled metallic material and which form together the permanent mold including a top inlet opening 14 and a bottom opening 15 for withdrawing the working piece; in order to close the withdrawal opening 15, a closing plate 9 is provided which is composed of a multiple of ring segments 13, 13', 13", . . . and the permanent mold 5 is enclosed by a magnetic coil 6 so as to generate an electromagnetic field. A pressure element 10 can be introduced into the inlet opening 14 of the permanent mold 5 and the diameter thereof corresponds to the one of the inlet opening 14 and it can be moved in vertical direction A and a second pressure element 11 is provided which is vertically guided in the closing plate 9 where it can be moved in an upward direction such that during solidification, pressure can be applied to the workpiece which is enclosed by the permanent mold thus permitting a compression.

REFERENCES:
patent: 2686864 (1954-08-01), Wroughton et al.
patent: 2758188 (1956-08-01), Okress
patent: 3460608 (1969-08-01), Grechin et al.
patent: 3945428 (1976-03-01), Yanagisawa et al.
patent: 4572812 (1986-02-01), Ciszek

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