parabolic spring 273325 for VOLVO - 273325

1.material: SUP11A, 2.WidthxThicness: 90x35, 3.the sizes: 1850/920/930 - details see: https://www.vehicleto.com/parabolic-spring-273325-for-volvo-10048234
Type: Leaf SpringMaterial: SteelTruck Model: VOLVOOEM No.: 273325
Place of Origin: Chongqing China (Mainland)Brand Name: YUDIAN, SHANXIAModel Number: 273325Certificate: ISO/TS16949:2009
parabolic spring 273325 for VOLVO
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Parabolic springs are made as follows:

1.Shearing of flat bar

2.Parabolic Rolling

3.Center hole punching / Drilling

4.End Heating process forming (hot & cold process)

a. Eye Forming / Wrapper Forming

b. Diamond cutting / end trimming / width cutting / end tapering

c. End punching / end grooving / end bending / end forging / eye grinding

d. Center hole punching / Drilling / nibbing

5.Heat Treatment

a. Heating

b. Camber forming

c. Quenching

d. Tempering

6.Surface preparation

a. sand blasting

b. Painting

7.Eye bush preparation process

a. Eye reaming / eye boring

b. Bush insertion

c. Bush reaming

8.Assemble

a. Presetting & load testing

b. Paint touch-up

c. Marking & packing

Packaging Detail:steel pallet
Delivery Detail:30 days generally

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