Z Type Leaf Spring For BPW 0508212670

Product Attribute:

Applicationt: 

BPW

Production Description:

1.material: SUP11A
2.Width& Thicness: 100x38
3.the sizes: 945/500/300/50/70
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