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Method for continuously rolling metal composite substrate by corrugated roll and a flat roll

A metal composite and metal substrate technology, applied in metal rolling, metal rolling, metal processing equipment and other directions, can solve the problem of easy fracture of bimetal composite substrates, improve bonding strength, reduce warpage and reduce elongation rate effect

Active Publication Date: 2018-10-19
TAIYUAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the technical problem that the double metal composite substrate is easy to break during the wave flat continuous rolling process, and to provide a method for the wave flat continuous rolling of the metal composite substrate

Method used

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  • Method for continuously rolling metal composite substrate by corrugated roll and a flat roll
  • Method for continuously rolling metal composite substrate by corrugated roll and a flat roll
  • Method for continuously rolling metal composite substrate by corrugated roll and a flat roll

Examples

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Effect test

Embodiment 1

[0062] Attached figure 1 , 2 The method shown prepares copper-aluminum composite panel:

[0063] 1) Blank: Select pure aluminum plate as the metal cladding plate 1, the plate size is 2000mm (length) × 500mm (width) × 20mm (height), pure copper plate is used as the metal substrate 2, the plate size is 2000mm (length) × 500mm (width) )×80mm (high). Use a grinding tool equipped with a wire brush to grind the surface of the pure copper plate and the pure aluminum plate to the effect of "sand surface" to remove the oxide on the surface of the slab and create favorable conditions for copper-aluminum compounding, and then polish the copper and aluminum plates. Stacking, and riveting the head and tail of the plates to ensure smooth and synchronous biting of the base and compound plates, and no deviation during the rolling process, to obtain the composite plate blank 3.

[0064] 2) Rolling: The upper roll is a corrugated roll 4, and the lower roll is a common flat roll for rolling. ...

Embodiment 2

[0073] Attached figure 1 , 2 The carbon steel-stainless steel clad plate is prepared by the method shown:

[0074] 1) Blank making: select s316L plate as the metal cladding plate 1, the plate size is 2000mm (length) × 500mm (width) × 20mm (height), Q345R carbon steel plate is used as the metal substrate 2, the plate size is 2000mm (length) × 500mm ( Width) × 80mm (height). Use a grinding tool equipped with a wire brush to grind the bonded surface of the pure copper plate and the pure aluminum plate after stress relief annealing to the effect of “sand surface” to remove oxides on the surface of the slab and create favorable conditions for the compounding of carbon steel and stainless steel , then stack the polished surfaces of carbon steel and stainless steel plates, weld the carbon steel and stainless steel around them, and weld a vacuum tube at the interface of the composite plate blank 3 to be bonded, and use a vacuum pump to carry out the composite plate blank 3 Vacuumiz...

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Abstract

The invention belongs to the technical field of material processing of metal composite plates, and particularly relates to a method for continuously rolling a metal composite substrate by a corrugatedroll and a flat roll. The method comprises the following steps: rolling a blank by using the corrugated roll to obtain a corrugated composite plate; and then flattening the corrugated-shaped composite plate by using a flat roll. In the process, high-strength combination of the composite plate from a local part to a whole surface can be realized by stress peaks at two different positions. Comparedwith a method for directly flattening in the original rolling direction, the method comprises the advantages that the elongation of metal in the plate width direction can be reduced by flattening after the corrugated composite plate rotates at an angle of 90 degrees, damage to positions which have been combined originally is reduced, extrusion at positions of wave peaks is obvious, the combination strength of portions which are originally combined weakly relatively is improved favorably, and thus, the combination quality of the whole surface is improved; and warping in a direction perpendicular to corrugations can also be prevented from being generated in a corrugated composite plate flattening process by flattening after the corrugated composite plate rotates at an angle of 90 degrees, and continuity of a follow-up thinning process is facilitated.

Description

technical field [0001] The invention belongs to the technical field of material processing of metal composite plates, and in particular relates to a wave-level continuous rolling method for metal composite substrates. Background technique [0002] Copper / aluminum, steel / aluminum, aluminum / stainless steel clad plate and other layered bimetallic matrix composites have "complementary effect" while maintaining the metal properties of the base metal, which can save precious and rare metals. The combination can have excellent comprehensive performance, and it is an important engineering material urgently needed by social development. It has broad application prospects and practical value in the fields of machinery, aerospace, chemical industry, medical treatment, construction, electrical appliances, and military industry. However, the production technology of bimetal composite panels is not mature enough, and there are still some problems in industrial production and engineering a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21B1/38B21B47/00B21C37/02
CPCB21B1/38B21B47/00B21B2001/386B21C37/02
Inventor 王涛高翔宇黄庆学任忠凯和东平
Owner TAIYUAN UNIV OF TECH
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