Cheapest Factory Ford Bronco Ii Leaf Springs - Professional manufacturer truck parabolic leaf spring for Nissan – Jiachuang

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Cheapest Factory Ford Bronco Ii Leaf Springs - Professional manufacturer truck parabolic leaf spring for Nissan – Jiachuang Detail:

This spring assy are used for NISSAN truck .

Spring Measurements Specs

Totally 9 blades , 1-9 blade Width(mm)*Thickness(mm): 90*12,  Eye to Eye Measurement 1550 mm (Free Length Measurement),Tolerance range within ±3mm . 2pcs biametal bushesØ30*Ø36*88 comes to install spring eyes , 2-7 blade are taperred .

Free Arch Measurement (see picture) 120.5mm,Tolerance range within ±6 mm .

All datas are obtained by measuring the new produce product .

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Parabolic Leaf Spring

Basically a parabolic spring is a spring that consists of two or more leaves. The leaves touch only in the center, where they are fixed to the axle and at the outer ends, where they are fixed to the vehicle. In between those two points the leaves do not touch each other as they do with conventional leaf springs.

Each leaf represents a complete spring in its self and will act as such. To enable the leaf spring is tapered, from the center (thick) to the outer ends (thin). This tapering is parabolic, it means that every centimeter (or inch) the thickness of the leaf decreases in an amount that relates to the square function of it’s length.

This may sound complicated but in fact it is very simple. Every single leaf will have, more or less, the shape of a complete multi leaf spring and thus it’s capable to cope with the same forces. This means that the ideal parabolic spring could have only one leaf, however, this type of “mono leaf” spring will have very limited articulation/weight ratio due to high internal stresses so a 2 or 3 leaf parabolic spring can divide the stresses more evenly across the other leaves and thus more axle movement is possible. That is why we designed 2 and 3 leaf springs. An other reason to increase the number of leaves on a parabolic spring is to increase the rate (load capacity). Because every leaf is one spring we can add or take out leaves without compromising the strength of the leaf it self. So for example we have a 3 leaf rear spring and we add one similar leaf the rate will go up for about 30% which means that the load capacity increases by +/- 30% (depending on the shackle effect)

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:

Cheapest Factory Ford Bronco Ii Leaf Springs - Professional manufacturer truck parabolic leaf spring for Nissan  – Jiachuang detail pictures

Cheapest Factory Ford Bronco Ii Leaf Springs - Professional manufacturer truck parabolic leaf spring for Nissan  – Jiachuang detail pictures

Cheapest Factory Ford Bronco Ii Leaf Springs - Professional manufacturer truck parabolic leaf spring for Nissan  – Jiachuang detail pictures

Cheapest Factory Ford Bronco Ii Leaf Springs - Professional manufacturer truck parabolic leaf spring for Nissan  – Jiachuang detail pictures

Cheapest Factory Ford Bronco Ii Leaf Springs - Professional manufacturer truck parabolic leaf spring for Nissan  – Jiachuang detail pictures

Cheapest Factory Ford Bronco Ii Leaf Springs - Professional manufacturer truck parabolic leaf spring for Nissan  – Jiachuang detail pictures


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To be able to give you benefit and enlarge our business, we also have inspectors in QC Team and assure you our greatest service and products for Cheapest Factory Ford Bronco Ii Leaf Springs - Professional manufacturer truck parabolic leaf spring for Nissan – Jiachuang, The product will supply to all over the world, such as: USA, Serbia, Iran, We hope to have long-term cooperation relationships with our clients. If you are interested in any of our products, make sure you do not hesitate to send enquiry to us/company name. We ensure that you can be totally satisfied with our best solutions!
  • High production efficiency and good product quality, fast delivery and completed after-sale protection, a right choice, a best choice.
    5 Stars By Jenny from Kyrgyzstan - 2018.12.22 12:52
    Timely delivery, strict implementation of the contract provisions of the goods, encountered special circumstances, but also actively cooperate, a trustworthy company!
    5 Stars By Griselda from Bulgaria - 2018.05.15 10:52