Adaptive, self-regulating forging hammer control system

Details Adaptive, self-regulating forging hammer control system Adaptive, self-regulating forging hammer control system

1996-09-03

1998-02-10

Jones, David

Metal deforming

With means to drive tool

Mechanical potential-energy drive means only

72 199, 7245301, 91248, 91 40, 173 2, 173 8, 173115, F15B 2102, B21J 912, B21J 920

Patent

active

057157243

ABSTRACT:
In forging hammers, according to the present invention, more than one inlet valve is employed and more than one exhaust may be employed. The force of impact for a particular blow is controlled by the number of valves employed and the timing of the opening and closing of those valves relative to one another. By making successive adjustments with different combination of valves, the controls may be calibrated so that the same ram force may be repeated. Knowing the valve settings required to produce differing amounts of force, it is possible to program the settings into the memory of a computer, so that when a particular impact force is selected the appropriate valve timing will be reproduced and the desired force obtained. It is also possible to set up a sequence of blows of differing selected force, setting each blow using the computer memory.

REFERENCES:
patent: 3464315 (1969-09-01), Weyer
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patent: 3916499 (1975-11-01), Frame et al.
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patent: 4653300 (1987-03-01), Crout et al.
patent: 4693101 (1987-09-01), Crout et al.
patent: 4712404 (1987-12-01), Crout et al.
patent: 4712405 (1987-12-01), Crout et al.
patent: 4718263 (1988-01-01), Crout et al.

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