Corrugating roll and manufacturing method thereof

Details Corrugating roll and manufacturing method thereof Corrugating roll and manufacturing method thereof

1995-08-09

1997-09-23

Wyszomierski, George

Metal treatment

Process of modifying or maintaining internal physical...

Carburizing or nitriding using externally supplied carbon or...

148212, 148218, 148220, 148232, C23C 826, C23C 832

Patent

active

056699883

ABSTRACT:
Object: Prevention of generation of press marks as well as increase of wear resistance at a corrugation tip portion and thereby providing a corrugating roll having a much improved life.
Construction: A manufacturing method of a corrugating roll useful for forming a wave-shaped core paper of corrugated board, characterized in that the corrugating roll is worked to form tooth-shaped corrugation portions on the outer circumference and applying a nitriding treatment or a carbo-nitriding treatment, and then applying to the corrugation portion of the corrugating roll a quenching and tempering treatment, and further forming a wear resistant coating on the surface of the corrugation portion.

REFERENCES:
patent: 3397092 (1968-08-01), Cavanagh
patent: 4154565 (1979-05-01), Hyde et al.
patent: 4765847 (1988-08-01), Arai et al.
Patent Abstracts of Japan, vol. 14, No. 254 (C-0724), May 31, 1990 (JP 2-070074).
Zaitsev et al., "Formation of Coatings on Bearing Steel ShKh15 During Ion-Plasma Nitriding and Subsequent Quenching with Tempering," Metal Science and Heat Treatment, 32(Sep. 10):650-655, Sep. 1990.
Bergmann et al., "Kombination des Laserstrahlhartens mit einer Kurzzeitnitrierbehandlung," Harterei-Technische Mitteilungen, 48(4):238-248, Jul. 1993.

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