Wholesale Dealers of Multi Leaf Springs - 24T Heavy duty truck suspension part leaf spring – Jiachuang

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Our eternal pursuits are the attitude of "regard the market, regard the custom, regard the science" plus the theory of "quality the basic, have faith in the main and management the advanced" for Tandem Trailer Leaf Springs , Composite Bushing , Small U Bolts , We are confident that there will be a promising future and we hope we can have long term cooperation with customers from all over the world.
Wholesale Dealers of Multi Leaf Springs - 24T Heavy duty truck suspension part leaf spring – Jiachuang Detail:

This spring assy are widely used in Middle East for heavy duty truck .

Spring Measurements Specs

Totally 18 blades , 1-2 blade Width(mm)*Thickness(mm): 90*13, 3-18 blade Width(mm)*Thickness(mm): 90*17, end to end Measurement 1740 mm (Free Length Measurement),Tolerance range within ±3mm .

Free Arch Measurement (see picture) 100mm,Tolerance range within ±3mm .

All datas are obtained by measuring the new produce product .

tuzhi

Bogie Suspension System

In order to improve the vertical vibration ride comfort of high speed trains in operation for Shinkansen, the measures to reduce the resilient vibration of car-bodies are applied, and the design method of the bogie suspension system is given out.

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Advantage

01.No Rust problem + Perfect looking

Method:

>> Single leaf by electrophoretic painting(Optional)

>> Sembling spring by electrostatic painting(Optional)

Benefits for customers

>> Salt spray testing > 500 hours beat general industrial level 200 hours,avoid rust possiblity

>> Perfect-looking — uniform painting, complete painting, no scratch

 

02. Pre shot-peening

Method:

>> Make shot peening under rated capacity

Benefits for customers

>> 180,000 times fatigue life beat general level 150,000 times;

>> bear heavier capacity and use longer time;

 

03. Pre-pressing and adjust

Method:

>> Make pre-pressing under rated capacity

>> Select camber by computer

Benefits for customers

>> Guarantee reasonable camber and keep smallest tolerance,

>> select out leaf spring whose camber is not qualified

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:

Wholesale Dealers of Multi Leaf Springs - 24T Heavy duty truck suspension part leaf spring  – Jiachuang detail pictures

Wholesale Dealers of Multi Leaf Springs - 24T Heavy duty truck suspension part leaf spring  – Jiachuang detail pictures

Wholesale Dealers of Multi Leaf Springs - 24T Heavy duty truck suspension part leaf spring  – Jiachuang detail pictures

Wholesale Dealers of Multi Leaf Springs - 24T Heavy duty truck suspension part leaf spring  – Jiachuang detail pictures

Wholesale Dealers of Multi Leaf Springs - 24T Heavy duty truck suspension part leaf spring  – Jiachuang detail pictures

Wholesale Dealers of Multi Leaf Springs - 24T Heavy duty truck suspension part leaf spring  – Jiachuang detail pictures


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We know that we only thrive if we can guarantee our combined price competiveness and quality advantageous at the same time for Wholesale Dealers of Multi Leaf Springs - 24T Heavy duty truck suspension part leaf spring – Jiachuang, The product will supply to all over the world, such as: Lesotho, Dubai, Puerto Rico, Why we can do these? Because: A, We are honest and reliable. Our items have high quality, attractive price, sufficient supply capacity and perfect service. B, Our geographical position has a big advantage . C, Various types: Welcome your inquiry, It might be highly appreciated.
  • The quality of the products is very good, especially in the details, can be seen that the company work actively to satisfy customer's interest, a nice supplier.
    5 Stars By Aaron from Puerto Rico - 2017.08.18 18:38
    We have worked with many companies, but this time is the best,detailed explanation, timely delivery and quality qualified, nice!
    5 Stars By jari dedenroth from Georgia - 2017.09.29 11:19