One of Hottest for Mitsubishi L300 leaf spring - High quality china manufacturer SUP9 steel leaf spring for trailer – Jiachuang

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We've got a highly efficient group to deal with inquiries from shoppers. Our purpose is "100% client fulfillment by our product high-quality, price tag & our staff service" and enjoy a superb reputation amongst clientele. With quite a few factories, we will provide a wide variety of Solid Leaf Spring Bushings , Excursion Front Leaf Springs , U Bolt Concrete Anchor , We will endeavor to maintain our great reputation as the best products supplier in the world. If you have any questions or comments, please contact with us freely.
One of Hottest for Mitsubishi L300 leaf spring - High quality china manufacturer SUP9 steel leaf spring for trailer – Jiachuang Detail:

This spring assy are widely used in American for trailer .

Spring Measurements Specs

Totally 3 blades , 3pcs middle pads , End to End Measurement 1133 mm (Free Length Measurement), A side Free Arch Measurement 124mm,Tolerance range +6mm ,B side Free Arch Measurement 105mm,Tolerance range +6mm, Middle straight 203mm .

All datas are obtained by measuring the new produce product .

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Parabolic Semi-trailer TRA2727 Leaf Spring Characteristics

1. The TRA2727 LEAF SPRING acts as a linkage for holding the axle in position and thus separate linkages are not necessary. It makes the construction of the suspension simple and strong.

2. Because the positioning of the axle is carried out by the leaf springs, it is disadvantageous to use soft springs i.e. springs with low spring constant.

3. Therefore, this type of suspension does not provide good riding comfort. The inter-leaf friction between the leaf springs affects the riding comfort.

4. Acceleration and braking torque cause wind-up and vibration. Also wind-up causes rear-end squat and nose-diving.

5. The inter-leaf friction damps the spring’s motion and reduces rebound, which until shock absorbers were widely adopted was a great advantage over helical springs.

TRA2727 Leaf Spring Detail 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:

One of Hottest for Mitsubishi L300 leaf spring - High quality china manufacturer SUP9 steel leaf spring for trailer – Jiachuang detail pictures

One of Hottest for Mitsubishi L300 leaf spring - High quality china manufacturer SUP9 steel leaf spring for trailer – Jiachuang detail pictures


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carry on to further improve, to guarantee merchandise high-quality in line with market and buyer standard necessities. Our organization has a top quality assurance procedure have already been established for One of Hottest for Mitsubishi L300 leaf spring - High quality china manufacturer SUP9 steel leaf spring for trailer – Jiachuang, The product will supply to all over the world, such as: Philippines, Iraq, Japan, We put the product quality and customer's benefits to the first place. Our experienced salesmen supply prompt and efficient service. Quality control group make sure the best quality. We believe quality comes from detail. If you have demand, allow us to work together to get success.
  • The company account manager has a wealth of industry knowledge and experience, he could provide appropriate program according our needs and speak English fluently.
    5 Stars By Jean Ascher from Swaziland - 2018.09.08 17:09
    High Quality, High Efficiency, Creative and Integrity, worth having long-term cooperation! Looking forward to the future cooperation!
    5 Stars By ron gravatt from United States - 2017.11.12 12:31