Problems in the Section Design of Aluminum Profiles

[China Aluminum Industry Network] 1.Tolerances should be fully considered by the manufacturer's production capabilities, because the aluminum extrusion is molded under hot-pressing conditions, the product's tolerance to the plastic parts, hardware is larger.

2, the thickness of the material should not be too thin? In principle, more than 0.8mm? less deformation, extrusion type better, mass production.

3, hollow tube material thickness difference can not be too large, generally not more than 4 times, or the mold is more difficult to trim and squeeze.

4, before the formal opening, we must provide detailed surface technology effects, due to the surface treatment process affect the determination of the previous extrusion die mold line, impact extrusion die, metal die size (fuel injection will make the product change Smaller, larger profile, narrower inner cavity, and the opposite of oxidation; sandblasting can cause the product to become larger in pore size, thinner body, or cause product deformation; the drawing process must consider the material to make allowance

5, the extrusion material can not do the sharp corner, the design of the ridgeline aluminum profile will have about 0.3 R angle, the subsequent polishing, oxidation, fuel injection and other processes, R angle will reach about 0.4.

6. The ratio between hollow hollow and solid parts of aluminum extrusion shall not be too large or too large, depending on the actual structure.

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