How to deal with pits on the surface of aluminium sheets?

How to deal with pits on the surface of aluminium sheets?

Sometimes there are defects on the surface of aluminium sheets such as pits and corrugations. And these defects sometimes greatly affect the production of goods of some manufacturers. Therefore, we, as a professional aluminium plate manufacturer and seller, introduce you today some specific ways to eliminate the dents on the surface of aluminium plates:

1, design, manufacture of qualified aluminum extrusion die is the key, mold factory to eliminate artificial mold processing defects.

2, the wave is serious, by repairing the mold, change the mold, return back to deal with.

3, new die or repaired die began to extrude waves, the first rod can be low temperature slow extrusion, the middle can be suspended several times to re-squeeze, the purpose is to make the work with sticky metal fill, sometimes the waves disappear naturally.

4, slight waves by increasing the traction force, increase the amount of stretching to deal with.

5, slight waves, adjust the deviation of the barrel and the centre of the die surface, so that the amount of aluminium flowing into the cavity of the barrel to affect the flow rate. This production is feasible when urgently needed.

6、The support pad is reasonable and the material is discharged smoothly.

7, the tail end of about 1m to produce waves to adjust the thickness of the pressure surplus, reduce the speed of extrusion. Or for stretching when the chuck to deal with.

8, aluminum plate production process found due to die empty knife is small or aluminum profile flow rate reasons for the abrasion, can be in the small side of the die work belt and rubbing pad side die pad at the oil quenching lubrication adjustable positive. (pay attention to the surface condition of the friction surface inspection)