Good Quality Tandem Axle Leaf Springs - Hot selling 11436 trailer suspension part leaf spring – Jiachuang

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The corporate upholds the philosophy of "Be No.1 in excellent, be rooted on credit rating and trustworthiness for growth", will keep on to serve outdated and new clients from home and abroad whole-heatedly for GAZ Leaf Spring , Square U Bolts For Leaf Springs , Custom Made U Bolts , We welcome new and previous buyers from all walks of life to make contact with us for upcoming organization associations and mutual good results!
Good Quality Tandem Axle Leaf Springs - Hot selling 11436 trailer suspension part leaf spring – Jiachuang Detail:

This spring assy are widely used in Thailand for trailer suspension parts .

Spring Measurements Specs

Totally 9 blades ,1-9 blade Width(mm)*Thickness(mm): 76*14, End to End Measurement 1210 mm (Free Length Measurement),Tolerance range within ±3mm . Free Arch Measurement (see picture) 110mm,Tolerance range within ±5 mm . hook on left of the 3rd blade .

All datas are obtained by measuring the new produce product .

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Trailer Leaf Spring Process

Multi-leaf springs are made as follows:

1.Shearing of flat bar

2.Center hole punching / Drilling

3.End Heating process

(1).Eye Forming / Wrapper Forming forming (hot & cold process)

(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

Finished Products and Pack Photos

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:

Good Quality Tandem Axle Leaf Springs - Hot selling 11436 trailer suspension part leaf spring  – Jiachuang detail pictures

Good Quality Tandem Axle Leaf Springs - Hot selling 11436 trailer suspension part leaf spring  – Jiachuang detail pictures

Good Quality Tandem Axle Leaf Springs - Hot selling 11436 trailer suspension part leaf spring  – Jiachuang detail pictures

Good Quality Tandem Axle Leaf Springs - Hot selling 11436 trailer suspension part leaf spring  – Jiachuang detail pictures

Good Quality Tandem Axle Leaf Springs - Hot selling 11436 trailer suspension part leaf spring  – Jiachuang detail pictures


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Our eternal pursuits are the attitude of "regard the market, regard the custom, regard the science" as well as theory of "quality the basic, have faith in the initial and administration the advanced" for Good Quality Tandem Axle Leaf Springs - Hot selling 11436 trailer suspension part leaf spring – Jiachuang, The product will supply to all over the world, such as: Norwegian, Seychelles, Turkey, During in 11 years, We've participated in more than 20 exhibitions, obtains the highest praise from each customer. Our company has been devoting that "customer first" and committed to helping customers expand their business, so that they become the Big Boss !
  • The goods we received and the sample sales staff display to us have the same quality, it is really a creditable manufacturer.
    5 Stars By Mary from Slovenia - 2018.06.12 16:22
    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 Elma from Auckland - 2018.06.21 17:11