Method for predicting rolling force and thickness of each layer of cold-rolled metal composite plate

A technology of metal clad plate and prediction method, applied in metal rolling, metal rolling, rolling force/roll gap control, etc., can solve the problems of inconvenient engineering application, large economic loss, blindness and poor flexibility, etc.

Active Publication Date: 2021-03-09
TAIYUAN UNIV OF TECH
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  • Claims
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Problems solved by technology

However, the physical experiment method takes a long time to test, causes great economic losses, and has certain blindness and poor flexibility.
The finite element method takes a long time to calculate, and each calculation can only display the results of specific processes and is not convenient for engineering applications

Method used

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  • Method for predicting rolling force and thickness of each layer of cold-rolled metal composite plate
  • Method for predicting rolling force and thickness of each layer of cold-rolled metal composite plate
  • Method for predicting rolling force and thickness of each layer of cold-rolled metal composite plate

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Embodiment Construction

[0054] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific embodiments. It should be clear to those skilled in the art that the specific implementation is only to help understand the present invention, and should not be regarded as a specific limitation on the present invention.

[0055] figure 1 The rolling force of the cold-rolled metal clad plate provided by the present invention and the flow diagram of the method for predicting the thickness of each layer are shown. In the present embodiment, the soft metal slab 1 is an aluminum slab, and the hard metal slab 2 is a copper slab, such as figure 1 As shown, the method of this embodiment is as follows.

[0056] Step 1: Obtain the rolling process parameters of the composite plate according to the rolling process specification data of a certain pass, including the entrance thickness h of the soft metal slab 1 1i = 2mm, the entrance ...

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Abstract

The invention discloses a method for predicting the rolling force and the thickness of each layer of a cold-rolled metal composite plate, and belongs to the technical field of composite plate rolling.The method comprises the following steps that firstly, composite plate rolling process parameters are obtained; the roller radii of a soft metal plate blank and a hard metal plate blank used in the calculation of the rolling force of respective equivalent veneer rolling are set, and the total reduction rate of composite rolling, the reduction rates of the soft metal plate blank and the hard metalplate blank, and the outlet thicknesses at the reduction rates are calculated respectively; rolling force generated when the soft metal and hard metal plate blanks is rolled from the inlet thicknessto the outlet thickness in the equivalent veneer rolling process is calculated; whether the rolling force meets the convergence condition or not is judged, and if not, recalculation is conducted tillthe convergence condition is met; the rolling force during production of the bimetal cold-rolled composite plate is obtained; and the final outlet thicknesses of the soft metal and hard metal plate blanks are calculated. According to the method, the rolling force and the thickness of each layer of the cold-rolled metal composite plate are predicted, and the rolling force and the thickness of eachlayer obtained through calculation are basically close to actual values.

Description

technical field [0001] The invention relates to the technical field of composite plate rolling, in particular to a method for predicting the rolling force and the thickness of each layer of a cold-rolled metal composite plate. Background technique [0002] Metal layered composite materials can not only save a large amount of rare and precious metals, but also have the excellent characteristics of the base and clad materials, which can meet the special requirements of different environments and use conditions, and are widely used in electronic packaging, petrochemical, marine engineering, aerospace and other fields. The rolling composite method is a typical layered metal composite technology. The rolling composite method has high production efficiency, is easy to realize mass production, and can produce products with large length and width. The obtained products have good consistency and stable performance. Therefore, the rolling composite method Compounding method is widely...

Claims

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Application Information

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IPC IPC(8): B21B37/58B21B37/16
CPCB21B37/58B21B37/16
Inventor 郝平菊王涛王振华刘元铭刘文礼和东平王振国黄庆学
Owner TAIYUAN UNIV OF TECH
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