Method for processing surface of rim and its products

Abstract

A technology for treating the surface of wheel rim includes such steps as manufacturing a wheel rim, machining concave markers about its specifications, applying the varnish powder on its surface, baking to form a layer of color paint, coating resin to form a protective layer, turning to remove the paint layer and protective layer from the predefined position, and electroplating. Its advantages are mirror effect and high resistance to friction, scraping, corrosion, acid and alkali.

Description

technical field [0001] The present invention relates to a wheel rim surface treatment method and its finished product, especially to a wheel rim surface that can show a mirror surface, which not only has the effect of exquisiteness and alternate colors, but also prevents the color paint layer from being eroded during electroplating treatment. surface treatment technology. Background technique [0002] See also shown in Fig. 9, be general rim structure, it is to mold the wheel frame 50 of predetermined shape by casting, the outer edge side of wheel frame 50 is provided with a protruding ring portion 51, and wheel frame 50 inner edge and On the same side of the protruding ring part 51, there is formed a shaped wheel disc 52. In addition, a stainless steel decorative piece 53 is provided. The surface of the decorative piece 53 is formed into a mirror-like surface through surface treatment such as electroplating or chrome plating. Press and fold the decorative sheet 53 in a cer...

AI Technical Summary

Problems solved by technology

[0004] 1. When the protruding ring part 51 is covered with the decorative piece 53, both ends of the decorative piece 53 will not be able to attach smoothly to the surface of the wheel frame 50, resulting in a gap phenomenon. However, after long-term use, the decorative piece 53 and the wheel frame 50 The formed gap will easily get stuck with dirt, making the wheel frame 50 look dirty and difficult to clean. Finally, the mirror effect presented by the trim 53 will be covered, and the original delicate and beautiful effect will be lost.

[0005] 2. During the rolling process of the decorative sheet 53 covering the convex ring portion 51, incomplete coating is likely to occur, resulting in a gap 531 in the decorative sheet 53. Furthermore, the wheel frame 50 is vibrated due to long-term operation, and the decorative sheet will The piece 53 will slowly separate from the convex ring portion 51 and lift up. In addition to making the surface of the wheel disc 52 affect the appearance due to unevenness, the upturned section of the decorative piece 53 is also easy to cause scratches when the tire is being repaired, and the gap 531 is also prone to scratches. Easy to trap dirt and dirt, making it difficult to clean

[0007] 4. When the decorative sheet 53 is rolled, it is easy to cause uneven thickness, which makes the center of gravity of the wheel frame 50 deviate, and it is easy to form a deflection state when rolling for a long time. When the center positioning process is carried out on the wheel frame 50, it is easy to fail to effectively locate The problem

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