Hot rolling production technology of copper-aluminum composite board

Abstract

The invention discloses a hot rolling production technology of a copper-aluminum composite board. The hot rolling production technology comprises the following technological steps of raw material preparation, surface treatment, heating, rolling bonding, annealing and slitting, specifically, the thickness and the width of an aluminum strip and a copper strip are selected according to needs; surfacepolishing treatment is conducted on the aluminum strip and the copper strip respectively; the aluminum strip and the copper strip are heated in an upper layer heating furnace and a lower layer heating furnace correspondingly; the heated aluminum strip and the heated copper strip enter a rolling mill synchronously to be rolled and bonded, and the copper-aluminum composite board is obtained; annealing is conducted on the copper-aluminum composite board which is subjected to rolling and bonding by adopting a bell type heating technology; the annealed copper-aluminum composite board is cooled tobe at the normal temperature, and slit into flat boards. According to the hot rolling production technology, hot rolling bonding of the copper-aluminum composite board can be achieved by controlling the heating temperatures of the copper strip and the aluminum strip respectively, bonding can be achieved through one-time rolling, the problems that the rolling force is large and rolling needs to beconducted for many times in the cold rolling bonding process are solved, the utilization property of the composite board is improved, the production efficiency is increased and the cost is lowered.

Description

technical field [0001] The invention relates to the technical field of non-ferrous metal processing, in particular to a hot-rolling production process of a copper-aluminum composite plate. Background technique [0002] As a new type of composite material, copper-aluminum composite board not only has the advantages of copper's electrical conductivity, high thermal conductivity, low contact resistance and beautiful appearance, but also has the advantages of aluminum's light weight, corrosion resistance and economy. The copper-aluminum composite plate produced by rolling composite technology can be used as a substitute for copper material and as a special Comprehensive performance materials are widely used in various fields such as electronics, electrical appliances, electric power, metallurgical equipment, machinery, automobiles, energy and daily necessities. [0003] At present, the production methods of copper-aluminum composite panels are mainly solid-solid phase composite...

AI Technical Summary

Problems solved by technology

Among them, the rolling composite method in the solid-solid phase composite method is the most widely used. Some current patent applications (CN103394510A, CN106297960A, etc.) have adopted the cold rolling composite method for the production of copper-aluminum composite panels, but the rolling process requires high power of the rolling mill. High, and requires multiple rolling and then annealing, which affects production efficiency