How to eliminate bubbles on the surface of industrial aluminum?

by:Zeyi     2022-01-21
During the extrusion process of industrial aluminum, it is more common to have blistering on the surface. The extrusion process of industrial aluminum profile is a necessary step for aluminum profile forming. The structural performance of extruded industrial aluminum is relatively stable and relatively stable. The only disadvantage of corrosion resistance is that sometimes the surface of extruded industrial aluminum may blisters. What should we do if we encounter this situation? Next, I will talk to you. The bubble phenomenon of industrial aluminum profile after the extrusion process is related to the extrusion cylinder. For example, the extrusion cylinder and the extrusion pad have poor wear quality, the size of the extrusion cylinder and the extrusion pad do not match, or The diameter difference of the used gasket exceeds the difference, the design of the die hole is unreasonable, or the residual material is improperly cut, the residual material in the diversion hole and the diversion hole is partially taken out, and the gas in the gap enters the surface during extrusion. It may be that the exhaust in the extrusion cylinder is completely exhausted, and bubbles will also appear on the surface of the industrial aluminum. Then we need to eliminate the phenomenon of bubbles, we need to set the extrusion cylinder and the extrusion pad reasonably, pay attention to the matching size when using, and check the tool size frequently to ensure that it meets the requirements. The quality of the extrusion cylinder and the extrusion pad should not be too poor. The surface of the aluminum ingot must be kept clean, dry and smooth. When the aluminum alloy is replaced during processing, the cylinder must be thoroughly cleaned.
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