How to avoid scratching the surface of aluminum doors and windows broken bridge? 1. The extrusion die land should be processed clean smooth, extrusion die air knives should be a smooth process. 2. Die should be carefully checked, there are small cracks to prevent mold is used, mold design should pay attention to the fillet radius. 3. Always check the cooling bed bridge aluminum doors and windows factory, finished store units, prevent scratching hard projection products. The charge should be placed in the gutter than the product soft, transportation and lifting should be smooth, careful operation. Of course, the bridge aluminum doors and windows, there may be completed after the bridge aluminum doors and windows installed for a variety of reasons scratch repair bridge aluminum doors and windows, then you can use a clean cloth to dry, according to the depth of scratches, plaster, etc. fill material, polished smooth before making a secondary painting. Profile section thickness aluminum doors and windows broken bridge strictly follow the national standards. Wall thickness requirements must Xi'an bridge aluminum doors and windows in 1.4mm or more, because the relationship between the wall thickness and assembly technology firm composed of security doors and windows. Color aluminum doors and windows broken bridge aluminum doors and windows of color and general assembly of the technical requirements of characteristics: color aluminum doors and windows broken bridge is cut to 45-degree angle by 1.4mm 1.4mm thickness or more, on the corner with a special plug-in by more than 3mm doors assembly equipment. Extrusion position, while the ordinary doors are made of rivet connection with ordinary aluminum angle about 1mm, the firm level of security is poor, but the low cost. The assembled color adult standing on the walk there will not be a problem. Equipment assembled out of field operations and the use of artificial assembly requirements are technically very different. Dedicated bridge aluminum and ordinary aluminum can not be compared. Bridge aluminum windows prices, Xi'an still windows (online consultation), aluminum doors and windows broken bridge weeks provided by the Xi'an Door yet. Xi'an is still Door (www.sxzsmc.com) is Xi'an, steel leaders, over the years, the company implement the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Xi'an is still leading in the door with the staff warmly welcome all inquiries negotiations to create Xi'an doors still a better future.