aluminum alloy doors and windows hardware accessories are also different. The earliest direct window was found in Han tombs and pottery houses, and brick, wooden buildings and murals of Tang, Song, Liao and Jin also showed a lot. According to different design requirements, it has the functions of heat preservation, heat insulation, sound insulation, waterproof, fire prevention and so on respectively; New requirements are energy saving, heat lost by the gap between doors and windows in cold areas, it accounts for about 25% of the total heating heat consumption.
The opening methods of building doors and windows generally include sliding, flat opening and hanging windows, and the hardware accessories of doors and windows used should also be consistent with them.
Foshan aluminum alloy doors and windows first introduces several commonly used aluminum alloy doors and windows hardware accessories and matters needing attention when choosing and purchasing:
1. Handle: Used in casement window
the main function is to press the casement window on the window frame when the Casement Casement is closed to achieve the sealing effect. Aluminum alloy doors and windows have good ventilation, good sealing performance, excellent sound insulation, heat preservation and impermeability. The open window is convenient to clean; The open window does not occupy space when it is opened. The disadvantage is that the window width is small and the vision is not wide. The opening of outwards opening window takes up a piece of space outside the wall, which is easily damaged when the wind blows; While the opening of in-swinging casement window takes up part of the indoor space, it is not convenient to use car window shade, and it is also inconvenient to use car window shade and curtains when opening the window, if the quality is not good, it may rain.
When choosing to purchase, pay attention to observe that the surface is flat, no burrs, the hand is weighted, and the coating surface is even.
2. Hinge: used for flat doors and windows
when you choose to buy, you can observe the hinge materials, which are made of copper, iron-plated copper, stainless steel, aluminum alloy extrusion materials, etc. Do not use zinc alloy casting hinges.
III. Dagger: a device supporting casement window fans to realize opening, closing and positioning
it is better to use stainless steel materials when purchasing. There should be no scratches, front edges, burrs and other defects on the surface. When opening and closing dagger, there should be a little resistance.
IV. Pulley: bear the weight of each sliding door window and move horizontally
when choosing to purchase, pay attention to the material of pulley yoke and whether the pulley adopts needle roller bearing or ball bearing. For the pulley used for sliding door, heavy door pulley should be selected, and sliding window pulley should not be used instead.
V. Half-month lock: most of them are hook locks between sliding window fans and fans. It should be made of stainless steel or aluminum alloy
VI. Sealing Strip: an accessory for sealing and Buffering
the EPDM sealing strip with particularly high strength is adopted, which does not react with the paint and ensures the smoothness of the contact paint. Moreover, it has the characteristics of shock absorption, noise reduction, sealing, sound insulation, moisture prevention (preventing mildew and deterioration of articles), etc.
Tips for choosing aluminum alloy door and window hardware accessories
hinge with good sealing performance, slide rails and locks should be selected. When purchasing, it feels flexible and convenient to open and close and pull several times.
Locks with good flexibility should be selected. When purchasing, you can insert and remove the key several times to see whether it is smooth or not, and whether the switch is easy to twist.
Select a kind of decorative hardware with good appearance and performance. When choosing to buy, it mainly depends on whether the appearance is defective, how the plating gloss is, and whether the hand feeling is smooth.
