Device for producing molds

Details Device for producing molds Device for producing molds

1995-12-08

1997-11-04

Batten, Jr., J. Reed

Metal founding

Control means responsive to or actuated by means sensing or...

Responsive to position or spatial dimension

1641548, 164172, B22C 1502

Patent

active

056829418

ABSTRACT:
The includes a plurality of squeeze rods (12) and a squeeze plate (14) are used to press molding sand in a flask (16), and wherein the pressure applied to the individual squeeze rods and their individual downward movements are controlled. The device includes a squeeze table (2) on which a pattern plate (1) is mounted, a vertically movable frame (3) disposed above the squeeze table (2) such that the frame can move vertically relative to the squeeze table (2), a squeeze plate (14) mounted on a lower part of the vertically movable frame, a plurality of squeeze rods juxtaposed and penetrating the squeeze plate for vertical sliding movements, a plurality of electric servo-actuators attached to the frame to vertically move the squeeze rods, and a controller for controlling the plurality of the electric servo-actuators.

REFERENCES:
patent: 2959828 (1960-11-01), Frankenstein
patent: 3586093 (1971-06-01), Young
patent: 4915159 (1990-04-01), Damm et al.

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