Common quality problems in aluminum profile production
Ordinary production of aluminum quality is a very important issue, the following we will understand the following points:
aluminum profile through casting, extrusion and various surface treatments (mainly including: oxidation, electrophoretic coating, fluorocarbon spraying, powder spraying, wood grain transfer printing, etc.) to form different aluminum profile products.
The quality of aluminum profiles in ordinary production is a very important problem. Let's learn the following points together:
1. has low hardness, burr
1, and low hardness: rod temperature, outlet temperature, cooling speed, framing and placement method, and improper use of aluminum profiles.
2. Burr: The rod temperature is too low, the aluminum rod quality is poor, and the mold is extruded for a long time.
2. Bending, shape, bevel
3. Bending: The aluminum profile is overheated and straightened, the straightening force is insufficient, and the bridge is uneven.
4. Shape: The mold works with a cracked bridge, and the aluminum profile is straightened without gasket deformation.
5. Bevel: The profile is not parallel to the baffle when sawing.
3. strain, injury, abrasion
6, strain: mainly aluminum rod temperature and extrusion speed.
7. Damage: material export graphite, roller wear, belt wear and long and short aluminum profile damage.
8. Scratch: blockage of scaffolding, friction between materials during framing, too dense framing, friction during transportation.
4. concave shadow, inclusion, torsion
9, concave shadow: shelf, conflict, improper embryo installation method.
10, inclusion: aluminum rod, the pressure is too thin, long-term unclear. 11, torsion: straight, aluminum mold design is improper.
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