Process for the production of parts with a spirally symmetrical

Details Process for the production of parts with a spirally symmetrical Process for the production of parts with a spirally symmetrical

1996-03-27

1998-04-28

Batten, Jr., J. Reed

Metal founding

Process

Shaping a forming surface

164 47, 164137, B22C 922, B22D 2502

Patent

active

057433216

ABSTRACT:
A casting mold member is produced from a master which has a section with a spirally symmetrical outer contour such that the casting mold member surrounds the section in an azimuthally closed manner with respect to the axis of symmetry. The casting mold member is used to provide a casting mold. The casting mold member is filled by feeding a cast iron melt, and solidifying the melt by using a graphitization pressure to prevent cavities and pores in the casting and by chilling the melt to obtain shell hardening.

REFERENCES:
patent: 3267527 (1966-08-01), Brown
patent: 3461949 (1969-08-01), Nilson
patent: 4899799 (1990-02-01), Drazy

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