Manufacturing Companies for Mercedez Benz Sprinter 5-ton leaf spring Sprinter Van leaf spring - High quality china manufacturer SUP9 steel leaf spring for trailer 2728 – 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 1124 mm (Free Length Measurement), A side Free Arch Measurement 97mm，Tolerance range ±3mm ,B side Free Arch Measurement 89mm,Tolerance range ±3mm, Middle straight 203mm .
All datas are obtained by measuring the new produce product .
|
NO.Leaf |
W&T(mm) |
Length(mm) |
Per Weight(kg) |
Assy Weight(kg) |
|
1 |
76*20 |
578+546 |
12.35 |
26 |
|
2 |
76*20 |
383+383 |
8.28 |
|
|
3 |
76*20 |
235+235 |
4.84 |
TRA2728 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
1.Material Cutting
4.Edge Cutting
7.Stress Peening
2.Punching
5.Quenching
8.Assembling
3.Eye Rolling
6.Tempering
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:
Related Product Guide:
"Sincerity, Innovation, Rigorousness, and Efficiency" will be the persistent conception of our company to the long-term to establish together with customers for mutual reciprocity and mutual gain for Manufacturing Companies for Mercedez Benz Sprinter 5-ton leaf spring Sprinter Van leaf spring - High quality china manufacturer SUP9 steel leaf spring for trailer 2728 – Jiachuang, The product will supply to all over the world, such as: Somalia, Belgium, Lithuania, To make every client satisfied with us and achieve win-win success, we will continue to try our best to serve and satisfy you! Sincerely looking forward to cooperating with more overseas customers based on mutual benefits and great future business. Thank you.
By Merry from Vietnam - 2018.12.30 10:21
With a positive attitude of "regard the market, regard the custom, regard the science", the company works actively to do research and development. Hope we have a future business relationships and achieving mutual success.
By Sabrina from Yemen - 2018.09.23 18:44
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