Years of experience as a manufacturer of automotive leaf springs
The definition and structure of a leaf spring.
2024-10-16
The leaf spring is an elastic beam composed of several alloy spring plates of equal width but unequal length (the thickness can be equal or unequal) with approximately equal strength. It serves as both the elastic component of the suspension and the guiding device of the suspension. There are mainly two types of leaf springs:
Multi-leaf spring: composed of multiple steel plates of unequal length but the same width. Each steel plate is stacked in an inverted triangle shape, with the longer plate on top and the shorter plate below. The number of steel plates is related to the weight supported by the main beam; the thicker and shorter the plates, the greater the spring stiffness.
Single-leaf spring: composed of steel plates that are thin at both ends and thick in the middle, with equal width and length. The cross-section of the single-leaf spring varies significantly, gradually changing from the middle to the ends, making the rolling process more complex than that of multi-leaf springs, and thus more expensive.
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