Measuring and testing – Specimen stress or strain – or testing by stress or strain... – By loading of specimen
Patent
1995-09-22
1996-05-28
Chilcot, Richard
Measuring and testing
Specimen stress or strain, or testing by stress or strain...
By loading of specimen
73785, 73862621, G01N 300, G01N 1100
Patent
active
055200575
ABSTRACT:
The present invention has an object of simply and accurately measuring a load applied to a mechanical press. A test billet obtained from material of which the mechanical strength is uniform and which is finished precisely is placed on the press and pressed between a slide and a bed of a press, whereby an upsetting amount and a pressure at that time of pressing the billet are measured by a load cell. As a result, a press load, which may be calculated by establishing as functions such elements as material, deformation amount, and working speed of a test billet, can be accurately obtained by a simple measurement of the test billet to which established properties have preliminarily been given.
REFERENCES:
patent: 2482147 (1949-09-01), Bashore
patent: 2637203 (1953-05-01), Gehman
patent: 2667699 (1954-02-01), Buist et al.
patent: 2917920 (1959-12-01), Robinette, Jr. et al.
patent: 3382709 (1968-05-01), Sorensen
G. Greetham, "Production and tensile testing of strain-free metal specimens", Journal of Scientific Instruments, vol. 37, May 1990, pp. 160-162.
Chilcot Richard
Dombroske George M.
Kurimoto Ltd.
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