ROLL IN FURNACE

PURPOSE:To prevent the occurrence of pick-up and to elevate cooling effeciency by a method in which the roll with cooling part in the center is composed of an inner cylinder and an outer cylinder, and the predetermined filler is filled into the predetermined gap between the inner cylinder and the ou...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HIRONO TADAO, HAKAMAGI HIROYUKI
Format:	Patent
Sprache:	eng
Schlagworte:	BEARINGS BLASTING CHEMISTRY ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS MECHANICAL ENGINEERING METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	PURPOSE:To prevent the occurrence of pick-up and to elevate cooling effeciency by a method in which the roll with cooling part in the center is composed of an inner cylinder and an outer cylinder, and the predetermined filler is filled into the predetermined gap between the inner cylinder and the outer cylinder. CONSTITUTION:The titled roll is composed of an inner cylinder 2 having a passage 3 through which cooling medium passes in its center and an outer cylinder 1 having a gap of 2-4mm. between the inner cylinder 2 and the outer cylinder 1. The gap is filled with filler with the heat conductivity of 0.9-1kcal/m.h. deg.C. By this roll, the cooling capacity of the inner part of the cylinder 2 is fully transmitted to the outer part of the cylinder 1, and the surface temperature of the outer cylinder 1 is lowered. Consequently, the occurrence of pick-up on the roll surface is prevented and the defect on the product is reduced.