Device and method for measuring and adjusting pressing load valu

Details Device and method for measuring and adjusting pressing load valu Device and method for measuring and adjusting pressing load valu

1993-11-02

1995-09-19

Chilcot, Jr., Richard E.

Measuring and testing

Specimen stress or strain, or testing by stress or strain...

By loading of specimen

G01N 310

Patent

active

054507561

ABSTRACT:
A pressing load measuring device including a memory for storing a data map representative of a relationship between the output level of a strain sensor attached to a press frame and the actual pressing load value on the press, and a converter for converting the output of the strain sensor into the pressing load value on the basis of the sensor output and according to the stored relationship. Local pressing load values acting on local portions of a press slide through fluid-actuated cylinders are measured by a method wherein the actual local pressing load values at the local portions of the press slide are measured, and the pressure values of a fluid in the fluid-actuated cylinders independently of each other so that the measured actual local pressing load values at the local portions of the press slide substantially coincide with respective predetermined optimum values.

REFERENCES:
patent: 4332175 (1982-06-01), Krainski
patent: 4453421 (1984-06-01), Umano
patent: 4979401 (1990-12-01), Maeda
Research Disclosure, vol. 309, No. 81, Jan. 1990, "Transfer Press Parallelism", by E. A. Herman, pp. 59-63 (w/abstract).
European Search Report dated Dec. 21, 1993.
Communication dated Jan. 28, 1994.

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