Double-sided coated aluminum alloy wheels

Abstract

The invention relates to an automobile wheel hub, in particular to an aluminum alloy wheel hub with coating on both sides, which is provided with an aluminum alloy wheel hub base body, and is characterized in that the two sides of the hub base body are respectively provided with high-temperature-resistant insulating primers and wear-resistant decorations in turn. The surface layer, the high temperature resistant insulating primer layer is generally composed of epoxy polyester powder coating, methyl methacrylate-acrylate copolymer coating and polybutadiene, and the wear-resistant finishing layer is polyurethane acrylic light-cured layer. The invention has the advantages of environmental protection, energy saving, cost reduction, bright surface, good wear resistance, not easy to be damaged, and the like.

Description

technical field [0001] The invention relates to an automobile wheel hub, in particular to an aluminum alloy wheel hub with environmental protection, energy saving, cost reduction and bright surface with coating on both sides. Background technique [0002] As we all know, aluminum alloy wheels have been widely used in small cars, motorcycles and electric bicycles due to their light weight, strong bearing capacity, good surface decoration, fast heat dissipation, wear resistance, and corrosion resistance. The production method is to adopt mold casting to shape first, then carry out machining, and then carry out electroplating treatment. Due to the complicated electroplating treatment process, high energy consumption, and still consuming a large amount of precious metals such as nickel, copper, chromium, etc., the existing technology produces Aluminum alloy wheels have the disadvantages of large environmental pollution, large energy consumption and water consumption, and high ...

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Problems solved by technology

[0002] As we all know, aluminum alloy wheels have been widely used in small cars, motorcycles and electric bicycles due to their light weight, strong bearing capacity, good surface decoration, fast heat dissipation, wear resistance, and corrosion resistance. The production method is to adopt mold casting to shape first, then carry out machining, and then carry out electroplating treatment. Due to the complicated electroplating treatment process, high energy consumption, and still consuming a large amount of precious metals such as nickel, copper, chromium, etc., the existing technology produces Aluminum alloy wheels have the disadvantages of large environmental pollution, large energy consumption and water consumption, and high manufacturing costs.

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