Causes of twisting and bending of aluminum profiles and solutions

[China Aluminum Industry Net] Industrial aluminum profiles produce waves, twists, and bends due to the uneven profile of the metal caused by the uneven flow of the material.

The main reasons are as follows: 1. The working design of the aluminum extrusion die is unreasonable, resulting in uneven metal flow;

2. Excessive extrusion speed or extrusion temperature of aluminum extrusions cause uneven metal flow;

3, aluminum alloy grid mold hole layout is not reasonable caused by uneven metal flow;

4. The guideway is not suitable or no guideway is installed;

5, lubrication is not suitable.

Solution 1. Trim aluminum extrusion die to make the metal flow evenly;

2, using a reasonable extrusion process, as far as possible under the premise of ensuring the exit temperature using low-temperature extrusion;

3, rational design of aluminum extrusion die structure;

4, configure the appropriate guide;

5, reasonable lubrication;

6, using aluminum extrusion traction traction.

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