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- 0.075mm-1.0mmThickness range
- 4mm-150mmWidth range
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A window spiral spring, also known as a balance spring or sash spring, is a mechanical spring used in double-hung windows to counterbalance the weight of the sash (movable part of the window) and make it easier to open and close the window. The spring is typically located in a metal housing on the sides of the window frame.
The window spiral spring is made of a long, coiled strip of steel that is wound around a central rod or axle. The spring is designed to provide a constant force as it extends or retracts, which helps to keep the sash in place at any position.
When the window is opened, the sash moves upwards, and the spring extends, storing potential energy. When the sash is closed, the spring retracts, releasing the stored energy and helping to support the weight of the sash.
Window spiral springs come in different sizes and strengths, depending on the weight and size of the sash they are designed to support. They are commonly used in residential and commercial buildings and are a key component of double-hung windows, which are known for their classic look and versatility.
The main advantage of a window spiral spring is that it provides a reliable and efficient method for counterbalancing the weight of the sash in double-hung windows. This makes it easier to open and close the window, as the spring takes on most of the weight of the sash.
Other advantages of window spiral springs include:
Space-saving design: The compact design of the spring and housing takes up very little space, making it ideal for use in windows where space is limited.
Smooth operation: Window spiral springs provide a smooth and consistent operation, ensuring that the sash remains in place at any position and can be easily moved up or down.
Long service life: Due to their sturdy construction and high-quality materials, window spiral springs can last for many years without needing to be replaced.
Easy to install: Window spiral springs are relatively easy to install, making them a popular choice for both DIY and professional window installations.
Customizable: Window spiral springs come in a variety of sizes and strengths, allowing them to be customized to suit the specific needs of different window types and sizes.
Overall, the advantages of window spiral springs make them a popular choice for double-hung windows in residential and commercial buildings. Their reliable and efficient operation ensures that windows can be easily opened and closed, while their compact design and long service life make them a cost-effective choice for window manufacturers and homeowners alike.
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