What is the Cause of the Uneven Surface of the Aluminum Panel?

The application of aluminum veneer is more and more widespread, and the uneven surface of the aluminum sheet is one of the problems that everyone often encounters. So what is the cause of the uneven surface of the aluminum veneer? In fact, there are many reasons, such as: aluminum sheet Extrusion die setting problems, support pad problems, etc. Perforated Metal Sheets Factory will tell you the specific reasons for the uneven surface of the aluminum veneer:

(1) The length ratio of the working belt of the aluminum extrusion die or the design of the cavity size is wrong and the flow rate ratio is seriously out of adjustment.

(2) The working of aluminum Panel extrusion die has obstruction angle and flow promotion angle.

(3) The gap between the upper and lower molds of the aluminum panel extrusion die is relatively poor.

(4) The working belts of the upper and lower dies of the aluminum panel extrusion die are not parallel, and there are horns.

(5) The upper die resistance (division) flow table in the aluminum panel extrusion die cavity is too high to block the discharge of the working belt or the drainage groove (size, depth, position) is wrong.

(6) There are too few or no empty knives on the outside of the working belt of the aluminum extrusion die (the electric spark is not hit) or too large (the working belt is cracked and deformed without support).

(7) The smoothness of the mold work zone caused by the unevenness of the mold factory’s coarse sand polishing work zone caused by the new or repaired aluminum veneer extrusion mold.

(8) There are oil stains on some aluminum veneer extrusion working belts.

(9) The support pad is too small to obstruct.

(10) Waves appear about 1m from the tail end of the aluminum veneer (V3 volume aluminum press-in).

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