Method for compounding aluminum alloy composite board used for machining automobile oil cooler bottom board

A technology of aluminum alloy sheet and aluminum alloy, applied in metal processing equipment, metal rolling, manufacturing tools, etc., can solve problems affecting the surface quality of parts, loss of activity, and rising melting point of brazing flux, etc., so as to reduce production costs and improve production efficiency effect

Inactive Publication Date: 2016-04-13
YINBANG CLAD MATERIAL
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Problems solved by technology

However, since the 6A02 aluminum alloy sheet contains 0.45-0.9% Mg element, the Mg element will form Mg vapor during the protective atmosphere brazing process, and the O in the furnace body 2 , CO 2 , N 2 After the reaction, a black reaction product is generated on the surface of the part, which seriously affects the surface quality of the part, and the flux has a certain limit on the dissolution of MgO on the surface of the part
In addition, Mg and MgO

Method used

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  • Method for compounding aluminum alloy composite board used for machining automobile oil cooler bottom board
  • Method for compounding aluminum alloy composite board used for machining automobile oil cooler bottom board

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Embodiment Construction

[0021] The specific implementation manners of the present invention will be described in more detail below with reference to the drawings and examples, so as to better understand the solutions of the present invention and the advantages of various aspects. However, the specific embodiments and examples described below are for the purpose of illustration only, rather than limiting the present invention.

[0022] figure 1 It is a structural schematic diagram of an aluminum alloy composite plate used for processing the bottom plate of an automobile oil cooler according to an embodiment of the present invention. The present invention provides the composite method of this kind of aluminum alloy clad plate, combined below figure 2 The flow chart of the aluminum alloy composite plate used to process the bottom plate of the automobile oil cooler, and the method is explained step by step.

[0023] Such as figure 2 As shown, firstly, the 6A02 aluminum alloy ingot is homogenized and...

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Abstract

The invention relates to a method for compounding an aluminum alloy composite board used for machining an automobile oil cooler bottom board. A 3003 aluminum alloy board, a 6A02 aluminum alloy cast ingot and a 3003 aluminum alloy board are hot-rolled and compounded according to the thickness proportion of 1:(8-15):1, so that the three-layer aluminum alloy composite board is obtained. By the adoption of the aluminum alloy composite board manufactured through the method, the situation that the welding quality of an oil cooler is affected due to the Mg element in a 6A02 core material of the aluminum alloy composite board in the protective atmosphere brazing process is avoided, protective atmosphere brazing of an oil cooler assembling piece can be smoothly finished, the production efficiency of the oil cooler is greatly improved, and the production cost is reduced.

Description

technical field [0001] The invention mainly relates to a composite method of an aluminum alloy composite board, in particular to a composite method of an aluminum alloy composite board used for processing the bottom plate of an automobile oil cooler. Background technique [0002] The oil cooler is an important part of the car body and an important part to ensure the safe operation of the car engine and its life. An aluminum alloy overall welded structure formed by connecting the fins to the bottom plate. Its main production process is brazing one-time forming. Aluminum alloy composite sheet is light in weight, good in corrosion resistance, good in brazing, and reliable in performance, so it is widely used in automobile cooling systems. [0003] After the oil cooler is brazed in a high-temperature brazing furnace, the welding of each part of the components should be firm, and each component should not be deformed at high temperature, otherwise it will cause virtual welding ...

Claims

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Application Information

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IPC IPC(8): B21B1/38B21B15/00C22F1/04
CPCB21B1/38B21B15/00B21B2001/386C22F1/04
Inventor 陈琴吕金明张小军
Owner YINBANG CLAD MATERIAL
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