What are the components of aluminum alloy wheels

2022/11/26

aluminum alloyhubThe traditional manufacturing methods include casting forming and spinning forming, among which casting forming can be divided into gravity casting and low pressure casting. One-piece forming is to put the entire aluminum ingot on the forging die for one extrusion, the basic shape of the spoke and rim is formed together, and the hub becomes a whole.

The two-piece type means that the rim and the spokes are forged separately, and the three-piece type means that the spokes and the rim are forged separately. The rim is forged in two parts, and the three-piece rim is welded and sealed as one to prevent air leakage. The spoke part and the rim Secure with screws.

Traditional multi-chipAluminum alloy wheelsThe spokes and rims are connected by laser welding or bolts. Laser welding has the advantages of fast welding speed and high welding precision, but has the disadvantages of expensive welding equipment, high energy consumption, and prone to welding defects.

The use of friction stir welding technology to weld the wheel hub refers to placing the spokes on the rim and extruding and connecting them through high-frequency rotary welding joints, so that the joints are connected due to thermal expansion and contraction of the parts under the action of high-temperature melting and melting.


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