Method of forming as-cast holes by using cores, and apparatus fo

Details Method of forming as-cast holes by using cores, and apparatus fo Method of forming as-cast holes by using cores, and apparatus fo

1988-09-21

1990-04-24

Seidel, Richard K.

Metal founding

Process

Shaping liquid metal against a forming surface

164340, 249 64, 249145, 249151, 249184, B22D 3304

Patent

active

049191896

ABSTRACT:
A method for forming an as-cast hole by using a core involves forming an undercut and casting by using a core die which is slidable at an angle with respect to mold closing and opening directions. At the same time, an as-cast hole with an axial direction different from the slide direction of the core die is formed. To form the as-cast hole, a floating core is slidably disposed in the core die for movement in the axial direction of the as-cast hole. An apparatus for practicing the method includes a stationary die, a movable die and the core die containing the slidable floating core.

REFERENCES:
patent: 3433292 (1969-03-01), McDonald
patent: 4206799 (1980-06-01), McDonald

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