COMPOSITE ROLLING ROLL MADE OF CEMENTED CARBIDE

COMPOSITE ROLLING ROLL MADE OF CEMENTED CARBIDE

PROBLEM TO BE SOLVED: To provide a composite rolling roll made of cemented carbide, which prevents fatigue fracture caused by repeated stress due to rolling. SOLUTION: The composite rolling roll made of cemented carbide is formed by joining an inner layer consisting of a steel-based material or an i...

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Bibliographische Detailangaben
Hauptverfasser: HORIUCHI MITSUYOSHI, HATTORI TOSHIYUKI, TOMITA HIROCHIKA, SANO GIICHI, MATSUNAGA EIHACHIROU
Format: Patent
Sprache:eng
Schlagworte:
MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL
PERFORMING OPERATIONS
PUNCHING METAL
ROLLING OF METAL
TRANSPORTING
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a composite rolling roll made of cemented carbide, which prevents fatigue fracture caused by repeated stress due to rolling. SOLUTION: The composite rolling roll made of cemented carbide is formed by joining an inner layer consisting of a steel-based material or an iron-based material and an outer layer consisting of cemented carbide. When conducting a rotary bending fatigue test in accordance with JIS Z2273 using a test piece, which has a test portion with a diameter of 5 mm and includes a joined part of the outer and inner layers, the position of fatigue breaking is in the inner layer side. COPYRIGHT: (C)2005,JPO&NCIPI