Lowest Price for HD72 leaf spring - High quality china manufacturer T410012 Trailer leaf spring – Jiachuang

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  • Lowest Price for HD72 leaf spring - High quality china manufacturer T410012 Trailer leaf spring – Jiachuang

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Our mission should be to turn out to be an innovative supplier of high-tech digital and communication devices by furnishing benefit added design and style, world-class manufacturing, and repair capabilities for ISUZU Rodeo/Amigo/Wizard/MU Leaf Spring , Rubber Suspension Bushings , Trailer Square U Bolts , Our aim is to help customers realize their goals. We are making great efforts to achieve this win-win situation and sincerely welcome you to join us!
Lowest Price for HD72 leaf spring - High quality china manufacturer T410012 Trailer leaf spring – Jiachuang Detail:

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

Spring Measurements Specs

Totally 11 blades ,1-11 blade Width(mm)*Thickness(mm): 100*12, End to End Measurement 1100 mm (Arc Length Measurement),Tolerance range within ±3mm . Camber Height Measurement (see picture) 115mm,Tolerance range within ±5 mm .

All datas are obtained by measuring the new produce product .

微信截图_20220511173010

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:

Lowest Price for HD72 leaf spring - High quality china manufacturer T410012 Trailer leaf spring – Jiachuang detail pictures

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With our leading technology as well as our spirit of innovation,mutual cooperation, benefits and development, we will build a prosperous future together with your esteemed company for Lowest Price for HD72 leaf spring - High quality china manufacturer T410012 Trailer leaf spring – Jiachuang, The product will supply to all over the world, such as: Cambodia, Iceland, Kuwait, The company has perfect management system and after-sales service system. We devote ourselves to building a pioneer in the filter industry. Our factory is willing to cooperate with different customers domestic and overseas to gain better and better future.
    • The customer service staff's answer is very meticulous, the most important is that the product quality is very good, and packaged carefully, shipped quickly!
    5 Stars By Nicola from Zimbabwe - 2017.05.02 11:33
    We are really happy to find such a manufacturer that ensuring product quality at the same time the price is very cheap.
    5 Stars By Murray from Portland - 2018.06.30 17:29

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