How is processing of the aluminum alloy casing ?

scanning:146 author:John Kino time:2019-10-08 classify:Industry News
The internal high pressure forming technology is a new forming technology that has emerged in recent years and is currently a research frontier in the world. According to its structural characteristics, various connecting parts can be formed by one-time forming by internal high-pressure forming method, or can be made into profiles by general extrusion method

1. Internal high pressure forming technology

The internal high pressure forming technology is a new forming technology that has emerged in recent years and is currently a research frontier in the world. According to its structural characteristics, various connecting parts can be formed by one-time forming by internal high-pressure forming method, or can be made into profiles by general extrusion method, then orthopedic by internal high-pressure forming method, and fed by internal pressure and axial force. The tube blank is pressed into the mold cavity to form it.

Due to the excellent internal pressure forming performance and the high degree of freedom of design, an internal high pressure forming part can replace the workpiece formed by welding several parts, thus avoiding distortion and deformation caused by welding, and having high dimensional accuracy and mechanical properties. Its main advantages are: reducing quality and saving materials.

2, precision die casting technology

The joints of the aluminum alloy body frame structure are mostly cast and formed, and the casting methods used are mainly advanced high-precision die-casting methods such as semi-solid die casting. Semi-solid die casting technology currently has two forming processes: a flow forming process and a thixoforming process. The former is to feed the liquid metal into a specially designed injection molding barrel, which is sheared by a screw device to be cooled into a semi-solid slurry, and then subjected to die casting. In the latter, solid metal particles or chips are fed into a screw injection molding machine, and the metal particles are converted into a slurry under heating and shearing conditions and then die-cast.

At present, semi-solid metal casting for industrial applications at home and abroad mainly refers to thixotropic casting, and is applied more in the body frame structure. Thixoforming is a precision forming method. After forming, the workpiece has high strength and can realize one-time forming of complex shapes. It can be used to mass produce a variety of parts without cutting or cutting, reducing the number of parts.

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