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Title:
DISK ROLL, AND METHOD FOR MANUFACTURING THE SAME
Document Type and Number:
Japanese Patent JP2005349415
Kind Code:
A
Abstract:

To provide a disk roll having excellent wear resistance and seizure resistance by forming a PTA (Plasma Transferred Arc) overlaying layer containing NbC on a surface.

A ring member 30 of the disk roll is fixed to a ring fixing tool 11 of a PTA overlaying device 10. During the fixing operation, a surface of the ring member 30 except a surface subjected to the PTA overlaying is wrapped by a heat-insulating sheet 20. After the fixing, the ring fixing tool 11 is turned to perform the PTA overlaying on the surface of the ring member 30. The temperature of the ring member is maintained at 250-350°C by burners 16A to 16E. After the PTA overlaying, the ring member 30 is fitted to a shaft member by shrink fitting.


Inventors:
HORI HIROFUMI
ASANO MICHIHIRO
ANRAKU TOSHIRO
IIDA SUMIO
ASABE KAZUTAKA
YAMAMOTO YOSHIKATSU
Application Number:
JP2004170183A
Publication Date:
December 22, 2005
Filing Date:
June 08, 2004
Export Citation:
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Assignee:
SUMITOMO METAL IND
NEIS CO LTD
International Classes:
B23K9/04; B21B27/00; B21B27/02; B23K10/02; B23K35/30; C22C19/05; C22C19/07; C23C4/06; C23C4/10; C23C6/00; (IPC1-7): B21B27/02; B21B27/00; B23K9/04; B23K10/02; B23K35/30; C22C19/05; C22C19/07; C23C4/06; C23C6/00
Attorney, Agent or Firm:
Hidetoshi Ueba
Tadashi Takezoe
Miho Ito



 
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