Parabolic Spring 54100-7F301 For Korea Truck

Product Attribute:

Applicationt: 

Truck

Production Description:

1.material: SUP11A
2.WidthxThicness: 90x35
3.the sizes: 1500
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