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Parabolic Spring
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Parabolic Spring

Item No.: HG-74
Description: IVECO 41297041KZ-1(PARABOLIC)
Material: 50CrVA
Size: 100*30 mm
Straight Length: 1480 mm
Weight: 30.14kgs
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Product Description

IVECO Parabolic Leaf Spring Assy

Parabolic Spring is also called blade springs.

There are two types of leaf springs:

(1) Multi-piece leaf spring: It is composed of multiple steel plates of different lengths and the same width. The plates of multiple leaf springs are superimposed into an inverted triangle. The top steel plate is the longest and the bottom steel plate is the shortest. The number of steel plates is related to the weight of the supporting busbar. The more steel plates, the thicker the steel plates and the shorter the spring rate. However, when the leaf spring is used for a long time, the steel plates will slide and rub against each other, generating noise. The relative friction between the steel plates can also cause the spring to deform, resulting in uneven driving.

(2) Less leaf spring: composed of thin end, thick middle, equal width and equal length steel plate. The section of the steel plate of a few leaf springs varies greatly, and the section from the middle to the ends is gradually different. Therefore, the rolling process is more complex and more expensive than multi-leaf springs. Compared with multi-piece leaf springs, at the same stiffness (i.e. the same bearing capacity), few-piece leaf springs are about 50% lighter than multi-piece leaf springs, thereby reducing fuel consumption and improving riding comfort. In addition, some leaf springs are in point contact with each other, which reduces relative friction and vibration and improves ride comfort.

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