Company News

What should I do if the surface of the aluminum profile of doors and windows is scratched?

Views : 92
Update time : 2022-11-03 19:02:21
Doors and windows have been used for a long time, and it is inevitable that there will be breakage.
Once scratched, even if it does not affect the aluminum profile of doors and windows, it will also damage the overall aesthetics of doors and windows.
In the practical process of our daily life, there are two kinds of scratches on the surface of doors and windows, mechanical scratches and artificial scratches.
Next, i will introduce to you the causes and solutions of scratches on the surface of aluminum profiles of doors and windows:
Causes of scratches on aluminum profiles of doors and windows
1. The concave scratches from the surface are mostly caused by foreign objects stuck to the mold or rough processing at the empty knife.
2. The raised scratches at the corners of the product are caused by cracks in the extrusion die.
3. Lateral scratches or scratches are mainly due to the presence of hard objects on the cooling bed when the products are transported laterally from the sliding table to the finished sawing table, which will scratch the products.
4. There are also scratches during loading and handling. Scratches are common surface defects in the extrusion process of aluminum profiles.
How to avoid scratches on the aluminum surface of doors and windows
1. The working belt of the extrusion die should be smooth and smooth, and the empty knife of the extrusion die should also be processed smoothly.
2. Careful inspection should be made when installing the mold to prevent the mold with small cracks from being used, and the radius of the fillet should be paid attention to when designing the mold.
3. A spacer that is softer than the product should be placed when loading, and the transportation and hoisting should be handled smoothly and carefully.
4. Of course, the reasons for the scratches of aluminum profiles are not only these, there are also scratches for various reasons.
5. At this time, you can dry it with a clean rag. According to the depth of the scratch, fill it with plaster and other materials, smooth it, and then do a second spray.
Related News
Read More >>
How to assemble and debug door and window aluminum profiles? How to assemble and debug door and window aluminum profiles?
Jul .28.2023
The assembly and debugging of door and window aluminum profiles is one of the key links in the process of making doors and windows.
How to do a good job of cleaning industrial aluminum profiles? How to do a good job of cleaning industrial aluminum profiles?
Jul .17.2023
Spraying cleaning method of industrial aluminum profiles is widely used, because of complex equipment, high process requirements, poor cleaning effect, then how to better do spray cleaning of industrial aluminum profiles?
Aluminum extrusion profile six places are required during the stretching process Aluminum extrusion profile six places are required during the stretching process
Jul .07.2023
The aluminum extrusion profile must be cooled to below 50 degrees before stretching. If the temperature is too high, stretching will not only burn the human body, the hair belt, but also expose absolute waste products such as bending, twisting, and poor performance before and after aging, because the stress in the aluminum alloy profile can not be completely eliminated.
Curtain wall aluminum profile purchase mainly see where? Curtain wall aluminum profile purchase mainly see where?
Jul .06.2023
Appearance quality of curtain wall aluminum profile: the surface of anodic oxide film is not allowed to have electrical burns, oxide film falling off and other defects; Electrophoretic, powder, fluorocarbon profile paint film should be uniform, neat, smooth, do not allow wrinkles, cracks, bubbles, flow signs, inclusions and paint film fall off and other defects, but allow local film within 80 mm at the end of the profile.