Broken bridge aluminum doors and windows when it is used for a long time, it cannot be avoided that there will be damage. Once it is scratched, even if it does not affect the aluminum profile of the Broken Bridge, it also damages the overall beauty of the doors and windows. In the practical process of our daily life broken bridge aluminum doors and windows there are two cases of surface scratching, mechanical scratch and artificial scratch. Next, let's introduce it to you. Broken bridge aluminum doors and windows the causes and solutions of profile surface scratching are as follows:
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(Image Source: Paiya doors and windows official website, invasion and deletion)
i, broken bridge aluminum doors and windows the cause of the profile scratch
1. Scratches recessed from the surface are mostly caused by foreign matter sticking to the mold or rough processing at the empty knife.
2. The raised scratches at the corner of the product are caused by the cracks in the extrusion die.
3. Horizontal scratches or scratches are mainly due to the fact that when the product is transported horizontally from slip conveyor to the finished saw cutting table, there are hard objects protruding on the cold bed to scratch the product. There are also scratches generated during loading and handling, and scratches are common surface defects during aluminum extrusion.
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(Image Source: Paiya doors and windows official website, invasion and deletion)
II. Avoid broken bridge aluminum doors and windows surface scratching method
1. The working belt of the extrusion die should be smooth and smooth, and the empty knife of the extrusion die should also be smooth.
2. To fix a die should be carefully checked to prevent the mold with small cracks from being used, and the fillet radius should be paid attention to when designing the mold.
3. Always check the cold bed and the finished product storage table to prevent hard protruding objects from scratching the products.
4. Barrier softer than the product should be placed when loading, and the transportation and lifting should be smooth and careful.
Of course, broken bridge aluminum doors and windows there are not only these reasons for scratches, but also scratches for various reasons. At this time, you can dry them with a clean cloth. According to the depth of the scratches, fill them with plaster and other materials, after polishing and smoothing, do secondary spraying.
