[China Aluminum Network] Many existing homes have reached a certain number of years. Some need to replace aluminum alloy doors and windows, and some require main body reinforcement. How to carry out professional repairs, the general owners will hire professional and technical workers, but how to check after installation, but we need to have some basic knowledge of acceptance.
1, look at the drawings. The type, specification, opening direction and installation position of the doors and windows used should meet the design requirements.
2, the surface acceptance. Doors and windows must be installed firmly, horizontally and vertically, with the same height. The gap between the frame and the wall shall be filled with fullness and density, the surface shall be smooth and smooth, and there shall be no cracks. The stuffing materials and methods shall meet the design requirements.
3, acceptance of embedded parts. The number, location, and connection method of embedded parts must meet the design requirements.
4, hardware acceptance. Door and window sashes should be flexible and free from upturns, block and rebound. Hardware accessories should be complete and correct. The seal should be in a compressed state after closing.
5, the appearance of clean acceptance. After the installation of doors and windows, the appearance quality should be clean. There are no scratches, bumps, and rust on the large surface; the coated surface is smooth, uniform in thickness, and free from porosity.
The design, installation and acceptance of aluminum alloy doors and windows all require qualified companies. Some homes are prone to small homeowners needing to replace aluminum alloy doors and windows due to their long service life. If it is necessary for owners to replace aluminum alloy doors and windows, they should also find professional and qualified companies or individuals. When they accept and accept, they are better able to hire some professional aluminum alloy doors and windows or supervisors.
Brass knurled thread insert Made of material, good thermal conductivity and heat resistance.
Widely Used On the Injection molding for Tightly Fixing.
Can be installed by ultrasonic or heat into thread tapered hole, or molded in during injection.
China leading manufacturers and suppliers of Hex Nut,Hexagonal Nut, and we are specialize in Stainless Steel Nuts,Hex Nut Bolt, etc.
Brass hex nut,hex coupling nut,hex flange nut,hex thin nut,hex bolts and nut
Shenzhen Lanejoy Technology Co.,LTD , https://www.brassinsert.net