Die set with sunken load cells

Details Die set with sunken load cells Die set with sunken load cells

1997-06-05

1999-08-24

Hail, III, Joseph J.

Metal deforming

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

Sensing tool or tool-linked part

72477, 724811, B21B 3700

Patent

active

059411112

ABSTRACT:
An instrumentation system for measuring forces during tool and die forming operations including a load cell positioned in a well bored into a base plate. The plate includes a series of channels that carry wiring from the load cell to the periphery of the base plate. The load cell is preferably mounted flush with a supporting surface of the base plate to facilitate periodic cleaning. The load cell includes sensors generating a signal corresponding to the force or compression on the load cell. The load cell also includes apertures extending therethrough to allow existing tooling to be mounted on the load cell to the base plate via fasteners and pins extending through the load cell to the base plate. An universal load cell embodiment includes a pattern of apertures allowing two or more tools having unique hole patterns to be mounted on the load cell with fasteners and pins extending therethrough.

REFERENCES:
patent: 4987528 (1991-01-01), O'Brien
patent: 5119311 (1992-06-01), Gold et al.
patent: 5142769 (1992-09-01), Gold et al.
patent: 5551270 (1996-09-01), Bajraszewski et al.
patent: 5564298 (1996-10-01), DeMeo
patent: 5622069 (1997-04-01), Walters
patent: 5661656 (1997-08-01), Goldman
Smith, David A., Die Design Handbook, Third Edition, Society of Manufacturing Engineers (1990).
Wilhelm, Donald F., Optimized Force Measurement, Presented at: "Press Maintenance . . . Total Productive Maintenance for Presses" (Nov. 28-29, 1990).

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