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Parabolic Rear Leaf Spring for Scania Truck Suspension

Short Description:

Part NO. SCN12W-RA Paint Electrophoretic Paint
Spec. 90*41 Model SCANIA TRUCK
Material 51CrV4 MOQ 50 SETS
Free Arch 95±6mm  Development Length 1540
Weight 116.4KG Total PCS 4 PCS
Port SHANGHAI/XIAMEN/OTHERS Payment T/T,L/C,D/P
Deliver Time 15-30 days Warranty 12 months


Product Detail

Product Tags

Structure Chart

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B00289 SCN12W-RA

Technology Advantage

SCN12W-RA, according to the assembly sequence: the first piece is, with a length of 1540, rolled at both ends, milled edges in the middle, pressed and bent, the second piece, with a length of 1540, rolled at both ends, pressed and bent at both ends, the third piece, with a length of 1540, rolled at both ends, pressed and bent at both ends, the fourth piece, with a length of 1540, rolled at both ends and pressed and bent at both ends. After assembly, the arc height of the assembly is 95 ± 6mm, and the center hole φ 14.5. There are straight sections at both ends. The leaf spring is a light few leaf variable cross-section spring, which is optimized from multiple heavy springs. Compared with multiple leaf springs, this leaf spring greatly reduces its own weight, thus reducing the load of the frame. Due to its simple structure and large gap between the leaf springs, the friction is reduced, the service life is improved, and the noise is significantly reduced, The biggest advantage of light spring is that it only needs 3 to 4 pieces to achieve the performance of equal section 8 to 9 pieces of spring, which significantly reduces the cost and reduces the waste of resources. The product is suitable for Scania truck rear leaf spring, mainly in Southeast Asia and Europe.

Scania is one of the truck and bus manufacturers in Sweden. It was established in Malmo, southern Sweden, in 1891. Scania's products are sold to more than 100 countries and regions in the world. It is one of the world's leading heavy truck and bus manufacturers. With its technologically advanced modular system, Scania has become the most profitable company in the commercial vehicle industry.

The advantages of our factory

1、Our factory adopts electrophoretic paint spraying, and the equipment value is as high as 5 million yuan;
2、Our factory has cooperation with famous OEM factories (JMC CIMC FORD IVECO ;
3、Our factory is a listed company;
4、Our company has cooperation with leaf spring factories in other countries.

Variable section less sheet spring

Features: the direction of section size extension changes; reduce weight and save materials.
Less leaf spring is composed of equal length reed, reed thickness along the length direction is not equal. Less leaf spring and more compared with leaf springs, under the condition of the same stiffness and stress, the mass of fewer leaf springs is small. Because the friction between fewer leaf springs is small, it is beneficial to improve the car ride.
Less spring in light truck and bus application more, considering the vehicle lightweight, in recent years in heavy vehicles have been widely used.

We are very strict about quality

1) Raw matrail .
Thickness less than 20mm. We use material SUP9
Thickness from 20-30mm.We use material 50CRVA
Thickness more than 30mm. We use material 51CRV4
Thickness more than 50mm. We choose 52CrMoV4 as the raw material
2) Quchenging Process
We strickly controled the steel temeprure around 800 degree.
we swing the spring in the qenching oil among 10 seconds according to the spring thickness.
3)Shot Peening.
Each assmembing spring set under stress peening .
Fatigue test can reach over 150000 cycus
4) Electrophoretic paint
Each item use electrophoretic paint
Salt spray testing reach 500hours

Production Process

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