Press counterbalance system

Details Press counterbalance system Press counterbalance system

1990-09-05

1991-04-23

Jones, David

Metal deforming

With use of control means energized in response to activator...

Sensing tool or tool-linked part

72436, 72443, 72438, 72 19, 100259, B21D 2402

Patent

active

050090917

ABSTRACT:
A control system for automatic counterbalancing the ram of a mechanical press by measuring energy level of the press flywheel and varying air pressure in a counterbalancing cylinder. Energy level is derived from a measurement of the linear speed of a moving press component at a fixed point in the ram reciprocation cycle.

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patent: 4692857 (1987-09-01), Chi

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