Best-Selling Mercedez Benz 1922/1929/1932 Leaf Spring Mercedez Benz 1633/1636 Front Leaf Spring - High quality cheap price TRA-2260 leaf spring for trailer – Jiachuang

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We persist with the principle of "quality 1st, assistance initially, continual improvement and innovation to meet the customers" for your management and "zero defect, zero complaints" as the standard objective. To great our service, we present the products and solutions while using the very good top quality at the reasonable cost for Wire Rope U Bolt Clamp , Front Leaf Spring , Short Leaf Springs , We are seeking for extensive cooperation with honest customers, achieving a new cause of glory with customers and strategic partners.
Best-Selling Mercedez Benz 1922/1929/1932 Leaf Spring Mercedez Benz 1633/1636 Front 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:

Best-Selling Mercedez Benz 1922/1929/1932 Leaf Spring Mercedez Benz 1633/1636 Front Leaf Spring - High quality cheap price TRA-2260 leaf spring for trailer – Jiachuang detail pictures

Best-Selling Mercedez Benz 1922/1929/1932 Leaf Spring Mercedez Benz 1633/1636 Front Leaf Spring - High quality cheap price TRA-2260 leaf spring for trailer – Jiachuang detail pictures


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The consumer fulfillment is our primary goal. We uphold a consistent level of professionalism, top quality, credibility and service for Best-Selling Mercedez Benz 1922/1929/1932 Leaf Spring Mercedez Benz 1633/1636 Front Leaf Spring - High quality cheap price TRA-2260 leaf spring for trailer – Jiachuang, The product will supply to all over the world, such as: Guinea, Angola, United Arab emirates, We've been always creating new technology to streamline the production, and give products with competitive prices and high quality! Customer satisfaction is our priority! You can let us know your idea to develop unique design for your own model to prevent too much similar parts in the market! We are going to present our best service to satisfy all your needs! Remember to contact us right away!
  • The factory workers have a good team spirit, so we received high quality products fast, in addition, the price is also appropriate, this is a very good and reliable Chinese manufacturers.
    5 Stars By Gwendolyn from Vancouver - 2017.08.18 11:04
    We are old friends, the company's product quality has been always very good and this time the price is also very cheap.
    5 Stars By Arlene from Mexico - 2018.08.12 12:27