A helical compression spring that stores mechanical energy when compressed and releases it when the load is removed, used in various industrial applications.
Commonly used trade names and technical identifiers for Compression Spring.
This component is used in the following industrial products
A critical sub-assembly within a sanitary pressure relief valve that provides the calibrated force to maintain valve closure until the preset pressure threshold is exceeded.
A mechanical component that uses spring force to return an actuator to its default position after actuation.
A mechanical assembly that provides suspension and damping functions within a drive system
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Compression springs are designed to operate with a compressive load and get shorter when loaded, while extension springs are designed to resist stretching and get longer when loaded. Compression springs typically have closed or ground ends, while extension springs have hooks or loops at the ends.
The spring rate (k) is calculated using the formula: k = (G × d⁴) / (8 × D³ × N), where G is the modulus of rigidity of the material, d is the wire diameter, D is the mean coil diameter, and N is the number of active coils.
Common failure modes include fatigue failure due to cyclic loading, corrosion (especially in harsh environments), over-compression beyond solid height, improper installation causing buckling, and material defects. Proper design considering working stress, fatigue life, and environmental factors can prevent most failures.
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