New Arrival China Light Leaf Spring - 24T Heavy duty truck suspension part leaf spring – Jiachuang

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To be the stage of realizing dreams of our employees! To build a happier, more united and more professional team! To reach a mutual benefit of our customers, suppliers, the society and ourselves for Lowering Leaf Springs , China Copper Alloy Bushing , Square U Bolt Clamp , We focus on to make excellent quality products to supply service for our clients to establish long-term win-win relationship.

New Arrival China Light Leaf Spring - 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.

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:

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We will devote ourselves to providing our esteemed customers with the most enthusiastically thoughtful services for New Arrival China Light Leaf Spring - 24T Heavy duty truck suspension part leaf spring – Jiachuang, The product will supply to all over the world, such as: Tunisia, Salt Lake City, Malaysia, Although continuous opportunity, we have now developed serious a friendly relationship with many oversea merchants, such as ones through Virginia. We securely assume that the merchandise regarding t shirt printer machine is often good through a great number of having its good quality and also cost.

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