100% Original Mitsubishi Leaf Spring - High quality china manufacturer SUP9 steel leaf spring for trailer – Jiachuang

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Sticking to the belief of "Creating products of high quality and making friends with people from all over the world", we always put the interest of customers in the first place for Trailer U Bolts , Tra Leaf Spring , Galvanized U Bolt Pipe Clamp , We maintain timely delivery schedules, impressive designs, high-quality and transparency for our buyers. Our moto is to deliver top quality solutions within stipulated time.

100% Original Mitsubishi 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:

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Using a complete scientific top quality management program, great high-quality and fantastic religion, we win great track record and occupied this area for 100% Original Mitsubishi Leaf Spring - High quality china manufacturer SUP9 steel leaf spring for trailer – Jiachuang, The product will supply to all over the world, such as: Mecca, Namibia, Romania, We solution have passed through the national skilled certification and been well received in our key industry. Our specialist engineering team will often be ready to serve you for consultation and feedback. We've been able to also provide you with no cost samples to meet your needs. Best efforts are going to be produced to supply you the very best service and solutions. For anyone who is considering our business and solutions, please speak to us by sending us emails or get in touch with us right away. As a way to know our items and enterprise. lot more, you'll be able to come to our factory to find out it. We'll constantly welcome guests from around the globe to our firm. o build enterprise. elations with us. You should really feel absolutely free to make contact with us for small business and we believe we'll share the top trading practical experience with all our merchants.

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Company director has very rich management experience and strict attitude, sales staff are warm and cheerful, technical staff are professional and responsible,so we have no worry about product,a nice manufacturer.

By June from Seattle - 2018.09.08 17:09

Problems can be quickly and effectively resolved, it is worth to be trust and working together.

By Penny from Albania - 2018.11.06 10:04