Title:
WORK ROLL FOR ROLLING, ROLLING MACHINE EQUIPPED WITH SAME, AND ROLLING METHOD
Document Type and Number:
WIPO Patent Application WO/2020/121657
Kind Code:
A1
Abstract:
[Problem] To provide a work roll for rolling that is capable, when temper rolling a high strength steel strip, of effectively performing rolling while stabilizing the product quality even when the rolling distance advances, and a temper rolling method using the same. [Solution] The work roll for rolling 2 has: a drum part 2x comprising a superhard alloy with a Young's modulus of 450 GPa or greater; and an uneven layer 2y formed over the drum part 2x, having an arithmetic mean roughness Ra ranging from 2.0 to 10.0 μm, and comprising granular chrome.
Inventors:
UENO MASAYASU (JP)
YAZAKI TAKURO (JP)
KIJIMA HIDEO (JP)
MIYAKE MASARU (JP)
YAZAKI TAKURO (JP)
KIJIMA HIDEO (JP)
MIYAKE MASARU (JP)
Application Number:
PCT/JP2019/041848
Publication Date:
June 18, 2020
Filing Date:
October 25, 2019
Export Citation:
Assignee:
JFE STEEL CORP (JP)
International Classes:
B21B27/00; B21B1/22; C25D7/00; C25D7/04
Foreign References:
JPS61129205A | 1986-06-17 | |||
JPH01258806A | 1989-10-16 | |||
JPH071021A | 1995-01-06 | |||
JPS52107243A | 1977-09-08 | |||
JP2017100149A | 2017-06-08 | |||
CN202052762U | 2011-11-30 | |||
JP2008173684A | 2008-07-31 | |||
JP2017119303A | 2017-07-06 | |||
JP2011189404A | 2011-09-29 |
Other References:
See also references of EP 3895818A4
Attorney, Agent or Firm:
KUMASAKA Akira et al. (JP)
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