Title:
GRINDING METHOD FOR OUTER FACE WELDING BEAD OF WELDED PIPE
Document Type and Number:
Japanese Patent JP2002219596
Kind Code:
A
Abstract:
To provide a method capable of grinding evenly an outer face welding bead in the longitudinal direction of a welded pipe without remaining an outer face welding bead and a deep grinding flaw, by utilizing an inner circumferential part of a cylindrical or ringlike grinding tool, high in grinding capacity.
The inner circumferential part of the cylindrical or ringlike grinding tool 3 equipped to the inner circumferential side of a grinding ring 1 is pressed to the outer face welding bead of the welded pipe P through an expansion body 2, and the grinding tool 3 is rotated to grind the outer face welding bead.
Inventors:
TAGAMI RYUJI
ENOKI KOJI
HARA KENJI
ENOKI KOJI
HARA KENJI
Application Number:
JP2001017163A
Publication Date:
August 06, 2002
Filing Date:
January 25, 2001
Export Citation:
Assignee:
NISSHIN STEEL CO LTD
International Classes:
B24B9/04; B21C37/08; B21C37/30; B23K37/08; (IPC1-7): B23K37/08; B21C37/30; B24B9/04
Attorney, Agent or Firm:
Wataru Ogura