Casement window PK sliding window

2022-07-22
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Casement window PK sliding window

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aluminum alloy doors and windows are classified according to their opening methods. At present, the more popular and practical window types in the market are push-pull and flat opening. Casement window refers to the door and window that the hinge (hinge) is installed on the side of the door and window and opens inward or outward; Sliding doors and windows mainly refer to doors and windows whose sashes are pushed and pulled vertically left and right along the horizontal direction. Compared with the same glass and accessories, push-pull and flat opening have their own advantages. The following discusses their respective characteristics in detail in terms of the appearance, performance, price and use function of doors and windows

I. The difference between casement windows and sliding windows in appearance is mainly in the collocation with the overall style of the building. Because of the flexibility of its division, casement windows can make any line facade effect, and for large division French windows, the opening fan only accounts for a small part of the whole window, so it is more suitable for high-end buildings with strict requirements for the overall effect of the building, especially in line with the large division A spacious and bright building with good permeability and smooth appearance. The sliding window can only be pushed and pulled horizontally because of its opening position, so it is difficult to match the fixed glass with large divisions. Generally, it is more suitable for business plants or rural family buildings with clear horizontal and vertical lines

second, in terms of the three properties of doors and windows (wind pressure resistance, water tightness and air tightness), casement windows are generally better than sliding windows. The wind pressure resistance of doors and windows depends on the resistance moment of the main load-bearing members of doors and windows. The larger the section of the profile is, the greater the resistance moment is, but it is not completely proportional. Generally, the cross-section of casement windows is small, but their main stress bars are usually made of splicing materials or medium vertical materials. These main stress bars will be strengthened in the design process, so their wind pressure resistance performance is good. The cross-section of sliding window profile is generally large, so its wind pressure resistance performance should be relatively good, but as long as a little in-depth stress analysis shows that its main stress bar is often made of medium fan material, and its upper and lower stiles only rely on pulleys to bear the horizontal wind load, so the wind pressure resistance performance is generally not ideal. The water tightness of doors and windows depends on the sealing effect of the opening part. The casement window is generally sealed with rubber strips, while the sliding window is generally sealed with wool strips. The sealing effect of rubber strips is generally better than wool strips. In terms of air tightness, at present, two-point lock or heaven and earth lock is used to lock and seal the opening part of the casement window in the market, and its sealing effect is better. The sliding window is generally locked with hook lock or latch, and its sealing effect is not ideal. Therefore, the casement window is generally better than the sliding window in terms of three properties. This is why most high-end commercial and residential buildings choose to use casement windows

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III. in terms of price, there is little difference between casement windows and sliding windows of the same grade. Casement windows are slightly higher than sliding windows. The price of ordinary casement aluminum alloy windows is 200 ~ 350 yuan/m2, the price of mid-range windows is 450 ~ 600 yuan/m2, and the price of high-end casement windows is generally above 800 yuan/m2. Ordinary sliding doors and windows are generally 150 ~ 300 yuan/m2, medium-grade aluminum alloy sliding windows are 350 ~ 500 yuan/m2, and high-grade sliding doors and windows are more than 600 yuan/m2

IV. in terms of use function: the sliding window is favored by the majority of users because of its flexible opening and convenient and simple operation; In contrast, casement windows are generally connected by hinges, and they are generally opened by handles, so they are often less flexible in operation than sliding windows

v. in terms of processing and manufacturing: the sliding window is generally simple in structure and has no special requirements for equipment, so it is convenient for small workshop or on-site processing and manufacturing; Because the casement of casement window is generally connected by aluminum alloy corner code, it needs better corner striking machine to produce excellent aluminum alloy casement window

to sum up, the casement window is better than the sliding window in performance, but the sliding window is better than the casement window in processing, manufacturing and operation. For this reason, casement windows are widely used in urban commercial and residential buildings, office buildings, high-end residences, villas and other medium and high-end buildings, while sliding windows are widely used in industrial plants, rural residences and other medium and low-end buildings

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