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[China Aluminum Network] When aluminum extrusion presses pressurize, it will leave air inside the aluminum profile, resulting in air bubbles inside and outside the aluminum profile, and defects that cannot be completely solved, making the aluminum profile become waste. In order to prevent air from entering the aluminum profile, it is important to find out why the air was introduced. The main factors that cause air to remain in the extruded aluminum profile include:
The long rod hot shear causes the residual air to be not perfect for the long rod hot shear, and the vertical long straight hot strip of the industrial aluminum profile will cause the rod rod to bend very severely. The aluminum profile has an elliptical cross-section and is sheared with a very large round. Even with the newer type of long bar heat shear, the edge angle of the sheared bar is always rounded, which is a good place for air residue.
Upsetting results in residual air only when the diameter of the cylinder containing the aluminum ingot is larger than the diameter of the cylinder rod. The bar can only be put into the cylinder containing the aluminum ingot. After applying pressure to the rod inside the aluminum ingot, causing the rod to expand to the diameter of the ingot, the gas carried in must be discharged. The gas is not released, and it will become bubbles later in the aluminum ingot.
Because of the connection of the two aluminum rods, air remnants are caused because the surface of the two short rod rods is substantially flat and the probability of air entrainment is very small. The quality of sawing directly interferes with the amount of air carried between the two short rods. There is currently a high technology that prevents the two short rods from contacting each other. To eliminate the possibility of air entry.
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February 25, 2024
December 20, 2023
August 29, 2023
June 02, 2023
March 31, 2024
March 31, 2024
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.