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Rotational hinges are mechanical devices that allow rotation or pivoting of two objects or surfaces relative to each other. They are commonly used in a variety of applications, including doors, windows, cabinets, and industrial equipment.
Rotational hinges come in many different designs and configurations, including butt hinges, continuous hinges, and piano hinges. Butt hinges are the most common type of hinge and are typically used for doors and cabinets. Continuous hinges, also known as piano hinges, are used for long doors, such as those found on pianos, and provide continuous support along the entire length of the door.
Rotational hinges can be made from a variety of materials, including steel, brass, aluminum, and plastic. The material used depends on the application and the required strength and durability.
In addition to their primary function of providing rotation, rotational hinges can also provide other benefits, such as security and ease of use. For example, many door hinges are designed with security features, such as non-removable pins, to prevent unauthorized access.
Overall, rotational hinges are essential components in many mechanical systems and play an important role in providing movement and functionality.