Aluminum 6063 Alloy Tube Video

Reasons: Solvent air is hidden in the paint film, and then escapes, leaving bubble marks. The common causes are as follows. The paint film is sprayed too thickly, and it dries too quickly in the hardener or thinner; spray gun nozzle (caliber) or spray viscosity or spray air pressure Incorrect; insufficient stillness or insufficient air flow in the paint booth before heating and drying.

      For the processing of precision parts, it is mainly about the size of precision mechanical parts, such as the diameter of the cylinder, there are strict requirements, and the positive and negative errors are within the specified requirements. There are also specific and strict requirements for width and height, and positive and negative errors are also specified. For example, a built-in cylinder (take the simplest basic component as an example), if the diameter is too large and exceeds the allowable error range, it will cause that it cannot be inserted. If the actual diameter is too small and exceeds the lower limit of the allowable negative value of the error, it will cause the insertion to be too loose and the problem of not firmness will occur. Precision parts processing manufacturers pointed out that these are unqualified products, or the length of the cylinder is too long or too short, beyond the allowable range of errors, they are all unqualified products, and they must be scrapped or re-processed, which will inevitably cause costs. increase.

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