Special Processing Technology For Aluminum Castings Has Been Developed

Last Updated on October 9, 2023 by assistant

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Aluminum castings are widely used in the surface treatment of non-ferrous metal die-casting parts, casting parts, aluminum profiles, auto parts, machinery manufacturing, hardware, pump, and valve industry. Mainly focused on the surface of the product to scale, edge surface burrs, surface roughening, matt suburban fruit, leveling strengthening, derusting treatment. Stainless steel shots are commonly known as stainless steel wire cut pellets. They are made by drawing, cutting, and rounding. The appearance is bright and rust-free, and they are round beads. The special processing technology of cast copper parts has been developed, including high-precision shaped copper strip, ultra-thin electrolytic copper foil, internal oxidized point strengthening, various metals, laser surface strengthening, semi-solid forming, profile casting, particle-enhanced particle control Etc. Now, the key points are as follows:

Aluminum Castings Has Been Developed

1. High-precision shaped copper strip: High-precision copper strip for transistor shaped frame, generally high-strength and high-conductivity alloy containing phosphorus and silver. The section consists of thick and thin sides, and the thick side is 1.27 mm. 0.38 mm, bandwidth 68 mm, length more than 200 m, production methods, namely, hole rolling, milling, high-speed forging production of profiled section blanks, and then high-precision rolling, the technical key is high-precision rolling When it is necessary to ensure that the thick side and the thin joint extension coefficient are equal, otherwise the shaped strip type cannot meet the user’s needs.

2. Internal Oxidation Dispersion Strengthening Oxygen-free Copper: Electrovacuum devices require oxygen-free copper. No deformation occurs during hydrogen gas welding at 930 °C. It is difficult to achieve alloying. The oxidized particle diffusion strengthening method is commonly used at home and abroad. AL2O3.

3. Large-area and special-section casting technology: In order to meet the construction of cast copper parts and special giant bronze statues, it is necessary to cast large-area and thin-walled special-shaped cast copper parts with a casting area of up to 6 m square and a wall thickness of 6-10 mm. It is very difficult to use the general sand casting method. In recent years, resin sand molding and investment casting have been widely adopted and developed at home and abroad. After the molten metal is poured into the sand mold, the model is ablated, filled with metal melting, and has a short process. The surface of the casting is smooth and the artistic image is perfect.