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Title:
RING ROLLING MILL HAVING WORK CARRYING-OUT LIFTING MEANS
Document Type and Number:
Japanese Patent JP2014024081
Kind Code:
A
Abstract:

To provide a ring rolling mill having a structure capable of safely and quickly carrying out a high temperature processed ring-shaped raw material just after rolling to a machine outside, by reducing deformation such as circularity.

A ring rolling mill 10 comprises: a rotatingly driven main roll 17; and a rotatable mandrel 18, and comprises: a pair of rotatingly driven edge rolls 19 for rolling by pressing its wall surface in a radial direction, by sandwiching a peripheral part of the processed ring-shaped raw material W by the main roll 17 and the mandrel 18, and rolls by pressing its wall surface in an axial direction by sandwiching the peripheral part of the processed ring-shaped raw material W by the pair of edge rolls 19, and is provided with lifting means 11 and 12 for lifting the processed ring-shaped raw material in a state of supporting the peripheral part of the processed ring-shaped raw material W from below.


Inventors:
HOSHINO FUMIO
KUSHIBUCHI YOJI
SHIOZAWA NARUHITO
Application Number:
JP2012165243A
Publication Date:
February 06, 2014
Filing Date:
July 25, 2012
Export Citation:
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Assignee:
KOJIMA IRON WORKS CO LTD
International Classes:
B21H1/06; B21B5/00
Domestic Patent References:
JPH01284445A1989-11-15
JPS59162132U1984-10-30
Attorney, Agent or Firm:
Makoto Hagiwara