Hot New Products Composite Leaf Spring - High quality cheap price TRA-2260 leaf spring for trailer – Jiachuang

Hot New Products Composite Leaf Spring - High quality cheap price TRA-2260 leaf spring for trailer – Jiachuang Featured Image
  • Hot New Products Composite Leaf Spring - High quality cheap price TRA-2260 leaf spring for trailer – Jiachuang
  • Hot New Products Composite Leaf Spring - High quality cheap price TRA-2260 leaf spring for trailer – Jiachuang

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To create much more price for clients is our company philosophy; purchaser growing is our working chase for Metric U Bolt , Tandem Axle Leaf Springs , U Bolt With Nut And Washer , We attend seriously to produce and behave with integrity, and by the favor of customers at home and abroad in the xxx industry.
Hot New Products Composite Leaf Spring - High quality cheap price TRA-2260 leaf spring for trailer – Jiachuang Detail:

This spring assy are widely used in American for trailer .

Spring Measurements Specs

Totally 8 blades , 1-5 blade Width(mm)*Thickness(mm):76*13, 6-8 blade Width(mm)*Thickness(mm):76*12,  End to End Measurement 1124 mm (Free Length Measurement), A side Free Arch Measurement 133.5mm,Tolerance range within ±3mm ,B side Free Arch Measurement 121mm,Tolerance range within ±3mm,Middle straight 203mm .

All datas are obtained by measuring the new produce product .

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Conventional Type Tra2260 Spring Leaf Are Made As Follows

Multi-leaf springs are made as follows:

1.   Shearing of flatbar

2.   Center holepunching / Drilling

3.   End Heatingprocess 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 / end rolling

d.  Center holepunching / Drilling / nibbing

4.   Heat Treatment

a.  Heating   b.  Hardening   c.  Cambering   d.  Quenching   e.  Tempering

5.   Surfacepreparation

a.  Shot peening /stress peening      b.  Primary painting

6.   Eye bushpreparation process

a.  Eye reaming /eye boring   b.  Bush insertion   c.  Bush reaming

7.   Assemble

a.  Presetting &load testing    b.  Finish painting   c.  Marking &packing

Key Points Keep The High Quality

1) Raw matrail .
Thickness less than 20mm. we choose SUP9/55Cr3/SAE5160H as the product material
Thickness from 20-30mm. wE choose SUP11A/50CrVA
Thickness more than 30mm. We choose 51CrV4 as the raw material
Thickness more than 50mm. We choose 52CrMoV4 as the raw material
2) Quchenging Process
We strickly controled the steel temeprure around 800 degree.
we swing the spring in the qenching oil among 10 seconds according to the spring thickness.
3)Shot Peening.
Each assmembing spring set under stress peening .
Fatigue test can reach over 150000 cycus
4) Painting
Each leaf under cataphoresis painting.
Salt spray testing reach 500hours

Production Process

material-cutting

1.Material Cutting

Edge-Cutting

4.Edge Cutting

Stress-Peening

7.Stress Peening

Punching

2.Punching

Quenching

5.Quenching

Assembling

8.Assembling

Eye-Rolling

3.Eye Rolling

Tempering

6.Tempering

Painting

9.Painting

FAQ

Q1: What type of leaf spring could you produce ?

A: We can produce most kinds of springs in the market. especially on the parabolic springs.

Q2: What material could you supply for leaf spring?

A: Our material grade should be SUP9/SUP9A /SUP11A/51CrV4 /52CrMoV4/ even 55Cr3 and  SAE5160H as well .

Q3: How long will be your delivery time?

A: 20-40days. If material stock enough around 20days. if not,would be 40days

Q4: What payment terms are acceptable?

A: TT and LC at sight

Q5: What is the packing?

A: No fumigation wooden pallet . we also can pack according to whatever you request if reasonable.

Q6:How about the surface finishing ?

A : electrophoresis coating (black,red,gray,or as customer’s requests )

Product detail pictures:

Hot New Products Composite Leaf Spring - High quality cheap price TRA-2260 leaf spring for trailer – Jiachuang detail pictures

Hot New Products Composite Leaf Spring - High quality cheap price TRA-2260 leaf spring for trailer – Jiachuang detail pictures

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As a way to finest meet up with client's wants, all of our operations are strictly performed in line with our motto "High Quality, Aggressive Price, Fast Service" for Hot New Products Composite Leaf Spring - High quality cheap price TRA-2260 leaf spring for trailer – Jiachuang, The product will supply to all over the world, such as: Lithuania, Malta, Panama, we rely on own advantages to build a mutual-benefit commerce mechanism with our cooperative partners. As a result, now we have gained a global sales network reaching the Middle East, Turkey, Malaysia and Vietnamese.
    • We are a small company that has just started, but we get the company leader's attention and gave us a lot of help. Hope we can make progress together!
    5 Stars By Althea from Belgium - 2018.09.16 11:31
    After the signing of the contract, we received satisfactory goods in a short term, this is a commendable manufacturer.
    5 Stars By Prudence from Holland - 2018.10.31 10:02

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