Aluminum extrusion straightening: Straightening is a very serious part of profile bending. Straightening workers must pay attention to the strength used in straightening. Excessive strength may cause deformation, closure, orange peel and so on. Excessive strength will cause profile straightening and bending. Aluminum extrusion frame: This link is also very important. After sawing the length of a fixed length, it is necessary to frame. This fashion frame worker should pay attention to: this material is material or small material, is it material pulled out with pipe or flat die?

Because the aluminium profile is extruded by one-time extrusion process, not only the number of dies is reduced, but also the defects of the process are effectively avoided. The hardness of aluminium profile is allowed to reach more than 13 of the clamp type hardness, while the hardness of aluminium profile in the strip-piercing process is allowed to be about 10 of the clamp type hardness. The casting glue is poured into the insulating groove of the aluminium profile to form the insulating bridge. Because of the high adhesion of the casting glue, the insulating bridge and the aluminium profile are completely bonded into one, so the strength of the insulating aluminium profile is high.

Aluminum is formed by two extrusions in the strip-type heat-insulating aluminium profile itself, then the heat-insulating strip is pierced into the process trough of two aluminium profiles, and then rolled to change the material structure, resulting in stress which makes the overall strength of the profile poor. This process limits the strength of the heat-insulating material can not be high, even sometimes used for the hardening of the profile. A slightly higher degree produces obvious cracks or ruptures that make it a waste product.