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The special processing technology of aluminum casting has been developed
Aluminum Casting design is widely used in non-ferrous metal die-casting, casting, aluminum profiles, auto parts, machinery manufacturing, hardware, pump valve industry surface treatment. Mainly focus on the product surface oxidation, edge surface burr, surface roughening, matte fruit, leveling strengthening, derusting treatment. Stainless steel balls commonly known as stainless steel wire cut pills, wire drawing, cutting, polishing and other processes from refining, bright appearance without rust, ball shape.
Special high-precision copper strip alien: transistor type frame with high precision copper strip, generally for phosphorus and silver alloy with high strength and high conductivity, the cross section is made up of thick and thin while edge is 1.27 mm thick, thin edge is 0.38 mm, the bandwidth of 68 mm, length is more than 200 meters, the production method three kinds, namely the chip groove rolling, milling, high speed forging shaped cross section blank, aluminum castings with high precision rolling, its key technology is a high precision rolling, must ensure that the thick edge elongation coefficient is equal with thin, otherwise deformed zone plate can't meet the needs of the user.
In anaerobic copper oxide dispersion strengthened: electric vacuum device requires the oxygen-free copper, in the 930 ℃ when does not produce hydrogen gas welding deformation, using the method of alloying is difficult, oxide particle dispersion strengthening methods commonly used both at home and abroad, common AL2O3 oxide particles.
Large area of miscellaneous section of foundry technology: to meet the cast copper pieces, especially the construction of a giant bronze statue, need large, thin wall casting copper pieces, special casting aluminum casting can reach 6 meters square, 6-10 mm, wall thickness using general sand mold casting method is very difficult, in recent years, industry widely used at home and abroad and the development of the resin sand molding, investment casting, after the metal liquid poured into the sand mold, model is ablation, for metal melting fullness, a short technological process, the casting surface is bright and clean, the characteristics of the artistic image is perfect.
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