Geometrical instruments – Area integrators – Electrical
Patent
1974-09-04
1976-02-24
Haroian, Harry N.
Geometrical instruments
Area integrators
Electrical
33147K, 33178F, G01B 500
Patent
active
039395685
ABSTRACT:
A method and apparatus for locating improperly positioned or bent rolls among a set of rolls which define a confined path of travel for a workpiece, particularly useful for checking a straight or curved roll-rack of a continuous-casting machine. The apparatus may be propelled through the path defined by the rolls by any suitable mechanism. For example, as applied to a roll-rack, the apparatus may be attached to the upper end of a starter bar and propelled with the bar through the rack, or the apparatus may be suspended from a hoist and pulled through the rack. The apparatus includes a housing and means within the housing for measuring the gap between work-engaging faces of the rolls and/or, when used with a curved roll-rack, means for measuring the angular relation of adjacent bottom rolls. The latter measurement is used in determining whether the work-engaging faces lie on arcs of the intended radii. Bent rolls are located by observing different measurements when the apparatus is moved in opposite directions through the path of travel.
REFERENCES:
patent: 2616183 (1952-11-01), Roberts
patent: 3496644 (1970-02-01), Short
Gonos Michael G.
Ives Kenneth D.
Vranka Ronald S.
Haroian Harry N.
United States Steel Corporation
Wood Walter P.
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