Device for decoring cores of castings

Details Device for decoring cores of castings Device for decoring cores of castings

1996-01-05

1998-06-02

Hail, III, Joseph J.

Metal founding

Stripper or ejector

Means to separate cast product from shaping surface

164345, B22D 2900, B22D 2902

Patent

active

057587132

ABSTRACT:
The device comprises a rigid frame (12) having a vertical axis of symmetry X) forming a virtual axis of oscillation of the frame defined by the intersection of the longitudinal and transverse vertical median planes of the frame. This frame is connected to a fixed support (14) by elastically deformable connecting elements (16). The decoring device further comprises two devices (24) for clamping castings to be decored carried by two opposite ends of the frame (12) and aligned in the longitudinal median plane, and two out of balance motors (26) fixed to two opposite sides of the frame (12), these motors having axes of rotation parallel to the axis of symmetry (X) of the frame (12) and being aligned with this axis of symmetry in the transverse median plane. The motors (26) are adapted, in operation, to cause the frame (12) to oscillate about its virtual axis X so that the centre of gravity of each casting to be decored describes a substantially horizontal and ellipsoidal path.

REFERENCES:
patent: 4643243 (1987-02-01), McKibben et al.
patent: 5213150 (1993-05-01), Sensenstein
patent: 5460219 (1995-10-01), Massin et al.

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