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A method of bonding and rolling metal composite materials for improving air bubbles and deviation defects of leather materials

A technology of metal composite materials and leather materials, which is applied in the direction of metal rolling, metal layered products, chemical instruments and methods, etc., can solve the problems of leather material deviation, composite layer bubbles, etc., to improve the composite rate and pass rate , the effect of reducing the probability of bubbles

Active Publication Date: 2022-03-15
华峰铝业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] One of the purposes of the present invention is to provide a method to solve the problem of air bubbles between the composite layers and the deviation of the skin material during the hot-rolled bonding rolling process of the existing metal composite materials, mainly to provide a static compensation method to Method for Eliminating Gap Difference Between Roll Gap on Operation Side and Roll Gap on Drive Side of Rolling Mill

Method used

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  • A method of bonding and rolling metal composite materials for improving air bubbles and deviation defects of leather materials
  • A method of bonding and rolling metal composite materials for improving air bubbles and deviation defects of leather materials
  • A method of bonding and rolling metal composite materials for improving air bubbles and deviation defects of leather materials

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0064] Prepare HF8061 aluminum alloy composite product, specifically according to the following steps:

[0065] 1. Roll Gap Compensation

[0066] S01: Set the calibration pressing force;

[0067] In the step of bonding the HF8061 alloy, first set the calibration pressing force on the rolling mill, and the calibration pressing force is set to 100 tons;

[0068] S02: Position calibration;

[0069] The rolling mill starts calibration after receiving the calibration command, record the initial position of the upper oil cylinder on the operation side as Y1, and the initial position of the upper oil cylinder on the transmission side as Y2;

[0070] S03: Compensation calibration;

[0071] After performing the S02 step, the pressing device starts to run at a speed of 1.5mm / s under the drive of the motor. When the upper and lower work rolls just contact, the pressing force reaches 50 tons at this time, and the pressing device stops running; At this time, the upper cylinder starts t...

Embodiment 2

[0080] To prepare the HF8061 aluminum alloy composite product, the specific steps are the same as in Example 1, except that the calibration pressing force in step S01 is set to 170 tons.

Embodiment 3

[0082] To prepare the HF8061 aluminum alloy composite product, the specific steps are the same as in Example 1, except that the calibration pressing force in step S01 is set to 145 tons.

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Abstract

The invention relates to a metal composite material bonding and rolling method for improving air bubbles and skin material deviation defects. The method steps include: (1) pre-swing position calibration, obtaining the operation side and transmission of the rolling mill during the bonding pass rolling The initial calibration positions Y1 and Y2 of the pressure device on the side; (2) Compensation calibration, to obtain the final calibration positions X1 and X2 of the pressure devices on the operating side and the transmission side of the rolling mill when the set pressing force is reached; (3) Determine the gap difference Value, through the method of displacement calibration, calculate the gap difference Z value of the pressure device on the operation side and the transmission side, and perform Z value compensation on the pressure roller, where Z=(X1-Y1)-(X2-Y2). The present invention uses static compensation to perform position compensation in advance, and cancels the dynamic adjustment function of the pressing oil cylinder during the bonding process, so that the rolling mill maintains a constant roll gap during the entire bonding and rolling process. Compared with conventional dynamic leveling, Improve the deviation of the leather material during the bonding process, and greatly reduce the chance of air bubbles.

Description

technical field [0001] The invention relates to the technical field of improving the manufacturing process of metal composite materials, and more specifically, relates to a bonding and rolling method of metal composite materials for improving air bubbles and deviation defects of leather materials. Background technique [0002] There are always two thorny problems in the production process of metal composite materials in hot rolling. One is that air bubbles are easily generated between the composite layers during the bonding process of the composite materials in hot rolling, which reduces the qualified rate of finished products; The upper leather material is easy to deviate during the bonding process, resulting in a decrease in the edge compounding rate of the finished product. [0003] Strip deviation is the lateral instability evolution process in which the rolling system loses symmetry under the initial factor of lateral asymmetry, and the center line deviates and expands ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21B37/62B21B1/38B32B15/01
CPCB21B37/62B21B1/38B32B15/016B21B2001/386
Inventor 田鸿宇张闯蔡晓峰
Owner 华峰铝业有限公司
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