ROLL ASSEMBLY FOR ROLLING SPECIAL-SHAPED STEEL AND A ROLLING MILL TRAIN

WIPO Patent Application WO/2022/227375

A1

A roll assembly for rolling special-shaped steel, comprising: an upper roll (5), a lower roll (6), a left roll (9), and a right roll (8). The left roll has a left forming surface (7), the right roll has a right forming surface (81), the upper roll has an upper forming surface (51), and the lower roll has a lower forming surface (61); the left forming surface, the right forming surface, the upper forming surface and the lower forming surface together enclose a cavity; the upper roll and the lower roll can respectively move in an up-down direction; the left roll and the right roll can respectively move in a left-right direction. Also disclosed is a rolling mill train. The rolling mill train comprises at least two rolling mills; each rolling mill comprises a stand and a roll assembly provided on the stand; the roll assembly can be applicable to special-shaped steel similar in shape but different in size; moreover, when a cavity wall of the cavity is worn, on-line compensation can be implemented without stopping production and disassembling rolls. Thus, the production efficiency is ensured, and the purchase cost of rolls is saved.

WANG ZHONGXUE (CN)
SUN XIAOQING (CN)
HUO XIWEI (CN)
JI JINLI (CN)
SONG YUQING (CN)
ZHANG YUANHUA (CN)
LEI GANG (CN)
LIU YUNJIA (CN)
WANG DEBIAO (CN)
ZHU QINGHUA (CN)

PCT/CN2021/118826

November 03, 2022

September 16, 2021

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SHANDONG IRON & STEEL CO LTD (CN)

B21B1/08; B21B27/02

CN113042524A	2021-06-29
CN214767783U	2021-11-19
CN113560341A	2021-10-29
CN107824613A	2018-03-23
CN205217603U	2016-05-11
CN1986089A	2007-06-27
FR2619520A1	1989-02-24

BEIJING WUZHOUYANGHE & PARTNERS (CN)

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