1. Hinges are fully connected to the hinge function during the opening of the window, so many times the hinges are often hinged, but the hinge is only rotated, and the hinges of the hinges are both rotated and flat. Many times the hinges and butt hinges can replace each other, but some special circumstances must use hinges, such as the use of hinges, such as the use of hinges, such as large flat window using hinges is generally difficult to meet the force requirements, then need to use multiple hinge common force.
2. Hinges are mainly installed in doors and windows. Butt hinges are more installed in the cabinet; according to the material classification is divided into, stainless steel hinges and iron hinges, in order to let people get better enjoyment and the emergence of hydraulic hinges, is characterized by a certain buffer, the maximum reduction in noise.
3. When the hinges are used in the window, since they can not provide the same frictional force as the hinges themselves, it is often used together with a separate one to avoid the wind blowing and damaging the window when the window is open; It is different, and he can provide a certain degree of friction, so it can be used alone, and used in the flat window above the combination of the upper rotary window above the hinge is slightly different, the length of the outer arm of the window frame is not the same.

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