Damage Causes and Solutions for Aluminum Profile Surface

(China Aluminum Network) Main damage causes of aluminum profile are followed:

There are some segregations on the surface of ingot. In the extruding period, some hard metal particles would damage the working belt and scratch the profile finally.

There are also some sundries in the mold cavity or working belt. The hardness of mold is very low so that the belt will be scratched in extrusion.

Some bare metal is in the swing bed or on the discharge rail; there are some hard sundries in graphite strips.

High speed also could result in scratching when using fork rod to put profile into the swing bed. Another reason is artificial dragging. The last is in the transportation.

Let’s look at some solutions to handle it.

Strengthen the quality of ingot.

Improve mold quality. Nitride mold regularly.

Use soft felt to isolate profile from accessories.

We should handle gently in the processing to avoid dragging or stirring.

To avoid friction between each others.

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