After the aluminum parts processing, processing step must be noted that what matters?

After the aluminum parts processing, processing step must be noted that what matters?

After the aluminum parts processing, processing step matters must be noted as follows:

(1) hot water. The purpose of the film is aging hot water, but the water temperature and time must be strictly controlled, the water temperature is too high layer thinning, the color fades. Processing time is too long there will be similar to the above problems, the appropriate temperature and time are: temperature 40 ~ 50 ℃ time 0.5 ~ 1MIN

(2) drying. Dried to dry naturally as well, by hot water rinse off workpiece Xiegua on the shelf, so that the working surface of free water in a vertical downward flow. Drops of water flow to the lower corners of the towel to absorb, Click method of dry color film will not be affected, it is natural.

(3) Aging. Aging approach can be determined according to climatic conditions, the summer sun can be exposed to sunlight, winter or rainy days available oven baking, process conditions are: temperature 40 ~ 50 ℃ time 10 ~ 15min

(4) repair of defective parts. Member should fail conductive oxide film in a dry, before the first pick out the aging process, due to dry, aging film stripping difficult and will affect the roughness of the workpiece surface. This problem in the process I made some trial and error, by a variety of test methods, found that the use of the following methods works well, simple, without affecting the surface quality, the specific process is as follows. First, the failure of the workpiece clamped on anodized aluminum with a jig, and then press anodized aluminum in sulfuric acid solution method anodic treatment 2 ~ 3min, the film to be soft, off, and then a little cleaning lye and nitrate to re-conductive anodized light.

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