Spring (device)

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Spring (device)

A spring is a mechanical device that stores and releases energy. Springs are typically made of spring steel, although other materials can be used. They are used in a wide variety of applications, from automotive suspension systems to watches and toys.

Types of Springs

Springs come in several different types, each with its own specific applications and characteristics:

• Compression spring: These springs are designed to operate with a compressive load, meaning they get shorter when a force is applied. They are commonly used in automobile suspensions and ballpoint pens.
• Extension spring: These springs are designed to operate with a tensile load, meaning they get longer when a force is applied. They are often used in trampolines and garage doors.
• Torsion spring: These springs work by twisting. They are commonly found in clothespins and mouse traps.
• Constant force spring: These springs exert a constant force over their range of motion. They are used in applications like seat belts and counterbalances.

Applications

Springs are used in a wide range of applications across various industries:

• Automotive: Springs are used in suspension systems, valve springs in engines, and clutch springs.
• Aerospace: Springs are used in landing gear systems and control surfaces.
• Consumer goods: Springs are found in mattresses, toys, and pens.
• Industrial machinery: Springs are used in vibration isolators, valves, and actuators.

Materials

While spring steel is the most common material used for springs, other materials can also be used depending on the application:

• Stainless steel: Used for springs that need to resist corrosion.
• Phosphor bronze: Used for springs that need to conduct electricity.
• Titanium: Used for springs that need to be lightweight and strong.

Design Considerations

When designing a spring, several factors need to be considered:

• Load: The amount of force the spring needs to support.
• Deflection: The distance the spring will compress or extend under load.
• Spring rate: The amount of force required to compress or extend the spring by a unit distance.
• Fatigue life: The number of cycles the spring can undergo before failing.

Related Pages

• Compression spring
• Extension spring
• Torsion spring
• Constant force spring
• Spring steel
• Automotive suspension
• Valve spring
• Clutch spring
• Vibration isolator
• Actuator