leaf spring 881386 for BPW - 050812640, 4533161485

1.material: SUP11A, 2.Width& Thicness: 100x35, 3.the sizes: 970/500/320/50/70 - details see: https://www.vehicleto.com/leaf-spring-881386-for-bpw-10048498
Type: Leaf SpringMaterial: SteelTruck Model: BPWOEM No.: 050812640
Place of Origin: Chongqing China (Mainland)Brand Name: YUDIAN, SHANXIAModel Number: 050812640, 4533161485 
leaf spring 881386 for BPW
contact supplier for leaf spring 881386 for BPW


Z type leaf 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.Make “Z”

6.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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