Problems that should be paid attention to in the design of aluminum profile section
The main factors causing cracks in aluminum profiles
The main factors of aluminum profile cracks: 1, the extrusion temperature of aluminum profile is too high, the tensile strength of the metal surface decreases, and cracks occur under the action of friction; 2, the metal surface is subject to additional tensile stress due to friction When the additional tensile stress is greater than the tensile strength of the surface metal, cracks will occur; 3. When the extrusion speed of the aluminum profile is too fast, the additional tensile stress on the surface of the metal will increase, causing the profile to crack. Solution: Strictly control aluminum extrusion process parameters to ensure reasonable exit speed and exit temperature.
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