Compression Spring
Compression springs are the most common type of spring, designed to resist compressive forces. When compressed, they store mechanical energy and return to their original length when the load is released. Made from round wire and shaped into a helical coil, they are used in countless mechanical devices due to their durability, simplicity, and versatility.
Key Features:
- Withstands axial compression force
- Linear force-deflection behavior
- Available in cylindrical, conical, or barrel shapes
- Can be customized for variable pitch, diameter, and coil count
Applications:
- Automotive suspensions and valves
- Electronics (e.g., battery contacts)
- Industrial machinery
- Aerospace and defense systems
- Medical devices
Tension Spring
Tension springs are designed to absorb and store energy by resisting a pulling force. They are tightly wound with hooks or loops on either end to attach to components. When the spring is stretched, it tries to return to its original length, providing a pulling force that holds parts together.
Key Features:
- Generates force when extended
- Hook, loop, or custom ends for easy installation
- Close wound for minimal space
- Custom preload and initial tension settings
Applications:
- Garage doors and trampolines
- Agricultural machinery
- Automotive interiors
- Toys and recreational equipment
- Industrial assemblies
Extension Spring
(Extension Spring Identical to Tension Spring)
Extension springs work by resisting tensile forces and attempt to pull components back together. They are manufactured with precision to maintain consistent load characteristics and can be engineered for high-stress environments.
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Disc Spring (Belleville Washer)
Disc springs, or Belleville washers, are conically-shaped components that offer high load in a compact design. They can be used individually or stacked in various combinations to achieve a wide range of force and deflection characteristics.
Key Features:
- High force in small axial space
- Stackable for custom force settings
- Ideal for thermal compensation and vibration damping
- Long fatigue life and excellent reliability
Applications:
- Valve actuators and clutches
- Bearing preloading
- Safety valves and pressure systems
- Vibration isolation systems
Coil Spring
Coil springs are helical springs made from round wire and designed to carry compressive, tensile, or torsional loads. They come in various sub-types (compression, tension, torsion) and are highly customizable.
Key Features:
- Versatile load-bearing capability
- Can be designed for compression, tension, or torque
- Available in cylindrical, conical, or variable-pitch forms
- Excellent fatigue and stress resistance
Applications:
- Vehicle suspension systems
- Engine and transmission systems
- Electronic components
- Heavy-duty machinery
Garter Spring
Garter springs are coiled compression or extension springs that form a circular shape by connecting the ends together. They are used where radial compression or extension is required, such as in shaft sealing applications.
Key Features:
- Circular/looped configuration
- Available in compression or extension types
- Designed for uniform radial force
- Customizable diameter and tension
Applications:
- Oil seals and rotary shaft seals
- Medical devices
- Fluid power systems
- Electrical cable assemblies
Spiral Spring
Spiral springs are flat strips of metal wound into a spiral and designed to exert torque in a circular motion. These springs store rotational energy and are commonly used in clocks, timers, and seatbelt mechanisms.
Key Features:
- Provides consistent torque over rotation
- High energy density in a compact form
- Excellent for applications requiring controlled recoil
- Durable and long-lasting performance
Applications:
- Watches and clocks
- Recoil mechanisms
- Seat belt retractors
- Toys and rotating tools
Wave Spring
Wave springs are flat wire compression springs with a wavy shape that provide the same force as traditional coil springs but with significantly reduced height. Ideal for applications where space is limited.
Key Features:
- Space-saving design
- Precise load-deflection performance
- Minimal solid height and axial space
- Available in single-turn or multi-turn formats
Applications:
- Bearing preloads
- Seals and connectors
- Automotive components
- Medical devices
Spring Washers
Spring washers are disc-shaped components with a slight cone or wave shape that provide tension and prevent loosening in bolted assemblies. They are essential in applications where vibration, thermal cycling, or dynamic loads can loosen fasteners.
Types: Belleville, Wave, Split lock, Tooth lock washers
Key Features:
- Maintains bolt tension under vibration
- Prevents loosening or backing off of nuts
- Durable and reusable
- Multiple styles for different load and torque requirements
Applications:
- Automotive and aerospace fasteners
- Electrical equipment
- Heavy machinery
- Structural bolting assemblies