Leaf Spring Main Dimension

1.Production Name:  Hot Sale Leaf Spring Trailer 

2.Types

Conventional Leaf Spring

3.Width

90mm

4.Thickness

16mm

5.Pieces

8

6.Material

SUP9

Hot Sale Leaf Spring Trailer Specification

1.Components:

Leaf,clip,center bolt

2.Color

Red,shinning black,dark black,grey,blue

3.Materials:

SUP6, SUP7, SUP9, SUP9A, SUP10, SUP11 and SUP11A are available.

4.Quality level:

Excellent quality for international market, made in China, WONDEE brand

5.Certificate:

ISO9001; TS16949; COC; PVOC; CIQ; SONCAP; BV; C/O; FORM E.

6.Truck,trailer,bus suitable:

SCANIA,MAN,VOLVO,TOYOTA,BPW,RANDON,UAZ ,MERCEDES-BENZ,DAF,IVECO,HOWO,CIMC

7.Our products are popular in the worldwide market, including North American, South American, European, African

Leaf Spring Manufacturing process

Multi-leaf springs are made as follows:

1.Shearing of flat bar

2.Center hole punching / Drilling

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

  (1).Eye Forming / Wrapper Forming

  (2).Diamond cutting / end trimming / width cutting / end tapering

  (3).End punching / end grooving / end bending / end forging / eye grinding

  (4).Center hole punching / Drilling / nibbing

4.Heat Treatment

  (1).Heating

  (2).Camber forming

  (3).Quenching

  (4).Tempering

5.Surface preparation

  (1).Shot peening / stress peening

  (2).Painting

6.Eye bush preparation process

  (1).Eye reaming / eye boring

  (2).Bush insertion

  (3).Bush reaming

7.Assemble

  (1).Presetting & load testing

  (2).Paint touch-up

  (3).Marking & packing