Bulging liner plate and gap control method and system

A control method and control system technology, applied in rolling mill control devices, mass flow control devices, metal rolling, etc., can solve problems such as deviation, abnormal axial force of jaw plate shifting rolls, and unequal reaction forces at both ends , to achieve zero contact pressure conditions, avoid working environment and improve stability

Inactive Publication Date: 2019-09-13
TAIYUAN UNIV OF TECH +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Under the condition of setting the offset distance of the parallel positioning operation of the rolls, due to the crossing behavior of the rolls, the initial crossing or dyn

Method used

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  • Bulging liner plate and gap control method and system
  • Bulging liner plate and gap control method and system
  • Bulging liner plate and gap control method and system

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Example Embodiment

[0044] In this application, all the embodiments, implementations and features of this application can be combined with each other without contradiction or conflict. In this application, conventional equipment, devices, components, etc., can either be purchased commercially, or can be made according to the content disclosed in this application. In this application, in order to highlight the focus of this application, some conventional operations and equipment, devices, and components are omitted or only briefly described.

[0045] The roll system of a rolling mill and its work (such as rolling) stability is one of the key factors to ensure product quality. Generally, the stability problem of the rolling mill in operation mainly involves various improper vibrations. For example, vertical vibration or lateral vibration of rolls. In the structural design of rolling mills, an important design parameter is usually involved-the side clearance of necessity (or called the clearance of n...

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Abstract

The invention relates to a bulging liner plate and a gap control method and system, and belongs to the field of rolling mill control. The bulging liner plate comprises a first plate and a second plate, wherein the first plate is provided with a first matching surface, the second plate is provided with a second matching surface, one of the first plate and the second plate or both the first plate and the second plate are provided with fluid channels, the first matching surface and the second matching surface are arranged facing each other to form a closed containing cavity, the containing cavitycommunicates with the fluid channels, and the first plate is constructed to be bulged under driving of fluid in the containing cavity through the first matching surface. The bulging liner plate in the embodiment can be used for filling a gap between a rolling mill stand column surface and a roll bearing chock.

Description

technical field [0001] The present application relates to the field of rolling mills, in particular to a bulging liner, a gap control method and system. Background technique [0002] There is a gap of about 1mm between the column surface of the frame window of the rolling mill and the side of the roll chock, which is used for the replacement of the roll, the disassembly and assembly of the chock and the compensation space for the thermal expansion of the chock. This gap is collectively referred to as the "last resort gap" micro-parameter by industry personnel. During normal rolling, this presents as a mechanically static uncertainty and causes crossing behavior between the rolls. Under the condition of setting the offset distance of the parallel positioning operation of the rolls, due to the crossing behavior of the rolls, the initial crossing or dynamic crossing of the rolls will lead to unequal reaction forces at both ends, deviation, sickle bending defects or abnormal ax...

Claims

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Application Information

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IPC IPC(8): B21B37/00B21B31/07
CPCB21B31/07B21B37/00B21B2037/002
Inventor 任忠凯李文雷马晓宝王涛赵静一郭景峰李婷郑永江申光宪
Owner TAIYUAN UNIV OF TECH
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