How to solve the defect problem of aluminum alloy die casting?
Date：
2021-04-13
Aluminum alloy die casting parts are widely used in many industries and fields, such as electronic products, automobiles and daily necessities. However, some defects and solutions of aluminum alloy die casting parts are often found. Here are some solutions.
Aluminum alloy die-castingParts are widely used in many industries and fields, such as electronic products, automobiles, and daily necessities. However, some common defects of aluminum alloy die-casting and their solutions are described below.
1. Impurity problems
Impurity problems of aluminum alloy die-casting are mainly composed of compounds containing aluminum, silicon, and a large amount of iron, manganese, chromium, etc. at a certain temperature, And some oxides can be solved by strictly controlling the composition of aluminum ingots, regularly cleaning the furnace bed and regularly slagging the smelting furnace
2. Air hole problem
Air hole refers to the holes of different sizes on the inside or surface of the die casting, which will lead to insufficient hardness of the die casting and affect the appearance of the surface. The air hole can be treated and the process can be adjusted with appropriate refining agent, Properly reduce the low speed and confirm whether the release agent is sprayed too much to deal with the air hole problem
3. Crack problem
The crack refers to that the matrix of aluminum alloy die castings is damaged, generating long and thin cracks, which are linear or other lines, and tend to extend under external forces. It can be solved by correctly controlling the alloy composition, increasing the cooling water circuit, changing the structure of aluminum alloy die castings, and changing or increasing the ejection position
Huizhou Shuangcheng Hardware Die Casting Products Co., Ltd. is a die casting enterprise specialized in providing precision parts and components for lighting, sanitary ware, electrical appliances, furniture, electronic products, shells and various LED cooling equipment. It has a professional design and manufacturing team and experienced die casting production technicians to become a partner of well-known enterprises at home and abroad, such as Philips, TCL, Rex, etc
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