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Parabolic Springs
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Parabolic Springs

Item No.: ZL-JB-151(ELSH-148)
Description: Jinbei Truck; parabolic
Composite Bushing: 2*Ф40*60-Ф14.3*70
Material: 60Si2Mn
Size: 60*10, 60*20 mm
Straight Length: 1200 mm
Weight: 20.78kgs
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Product Description

Parabolic Springs For Jinbei Truck

Automotive leaf springs are also called blade springs.

As the frequency of load impacts increases, so does the friction generated by tensile motion, and when the stress concentration point reaches the fatigue limit, a single or entire stack is destroyed. According to the principle of motion mechanics, the test shows that when the frequency of motion increases, the temperature of the steel parts subjected to compression and stretching increases, the strength decreases, the stress concentration point appears strong lines, the strong lines gradually expand and deepen, and will be damaged when the fatigue limit is reached. The same is true for leaf springs, but they have higher elasticity and are more durable than regular steel parts. Among other reasons, the main reason for the fracture of the leaf spring is poor lubrication, which should be attracted to the attention of the driver and technical management personnel, and the leaf spring should be lubricated in time. The general lubrication method is that new cars should be lubricated at the end of the break-in period and during summer and winter use. During the lubrication operation, first remove the leaf spring, open the center through bolt, spread the steel plate, and then evenly apply lithium-based grease or graphite grease on both sides of the steel plate, and form an oil film between the two friction surfaces after reassembly (only need to replace one broken block to complete the lubrication operation of a set of leaf springs).

The lubrication of leaf springs has three advantages: first, reduce friction and disperse stress, and prevent strain on the surface of the steel plate; Second, reduce the intrusion of dust, soil and water to prevent corrosion; The third is heat dissipation and cooling to prevent the elastic strength from declining. The lubrication time should be quarterly in the south and semi-annually in the north. It can also be appropriately controlled according to the mileage (the method of frequent dripping oil also plays a certain role in lubrication).

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