Measuring and testing – Ductility or brittleness
Patent
1976-10-08
1977-07-05
Ruehl, Charles A.
Measuring and testing
Ductility or brittleness
73133R, G01L 122, G01B 718
Patent
active
040331830
ABSTRACT:
One set of four extensometers bolted onto opposite faces of two mill posts of a universal rolling mill stand are responsive to a total site strain caused by simultaneous application of horizontal- and vertical-roll forces in the mill stand. Extensometer output signals are corrected individually for a variable zero drift component. The four zero-corrected signals are resolved to provide simultaneous indications of sum and differences of horizontal-roll forces in the two mill posts, the same indications for the vertical-roll forces, and selective individual site and post strains.
REFERENCES:
patent: 2322418 (1943-06-01), Crawford
patent: 2659154 (1953-11-01), Rendel
patent: 2756589 (1956-07-01), Zeitlin et al.
patent: 3241360 (1966-03-01), Curry
patent: 3791204 (1974-02-01), List
Baker Jack H.
Joyce Jack
List Harold A.
Bethlehem Steel Corporation
Dower George G.
Iverson John I.
O'Keefe Joseph J.
Ruehl Charles A.
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