Part eleven:Hard bending,extrusion defect analysis and quality control method

Part eleven: Hard bending,extrusion defect analysis and quality control method

Hard bending, extrusion defect analysis and quality control method

Hard bending causes and solutions

Hard bending

The sudden bending of the extruded product somewhere in the length is called hard bending.

The main causes of hard bending:

1. The extrusion speed is uneven, suddenly changing from slow speed to high speed, or suddenly changing from high speed to slow speed, and stopping suddenly;

2. Hardly moving the extrusion profiles during the extrusion process;

3. The working table of the extrusion line is not straight. 

Solutions for hard bending:

1. Do not stop or suddenly change the extrusion speed;

2. Do not move the profile suddenly by hand;

3. To ensure that the runout table is clean and smooth and the roller is smooth and no debris, aluminum extrusion profile conveying without any difficulty.

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