Ordinary Discount Rear Spring Leaf - 24T Heavy duty truck suspension part leaf spring – Jiachuang Detail:
This spring assy are widely used in Middle East for heavy duty truck .
Spring Measurements Specs
Totally 18 blades , 1-2 blade Width(mm)*Thickness(mm): 90*13, 3-18 blade Width(mm)*Thickness(mm): 90*17, end to end Measurement 1740 mm (Free Length Measurement),Tolerance range within ±3mm .
Free Arch Measurement (see picture) 100mm,Tolerance range within ±3mm .
All datas are obtained by measuring the new produce product .
Bogie Suspension System
In order to improve the vertical vibration ride comfort of high speed trains in operation for Shinkansen, the measures to reduce the resilient vibration of car-bodies are applied, and the design method of the bogie suspension system is given out.
Advantage
01.No Rust problem + Perfect looking
Method:
>> Single leaf by electrophoretic painting(Optional)
>> Sembling spring by electrostatic painting(Optional)
Benefits for customers
>> Salt spray testing > 500 hours beat general industrial level 200 hours,avoid rust possiblity
>> Perfect-looking — uniform painting, complete painting, no scratch
02. Pre shot-peening
Method:
>> Make shot peening under rated capacity
Benefits for customers
>> 180,000 times fatigue life beat general level 150,000 times;
>> bear heavier capacity and use longer time;
03. Pre-pressing and adjust
Method:
>> Make pre-pressing under rated capacity
>> Select camber by computer
Benefits for customers
>> Guarantee reasonable camber and keep smallest tolerance,
>> select out leaf spring whose camber is not qualified
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:
In an effort to provide you advantage and enlarge our business enterprise, we even have inspectors in QC Staff and assure you our greatest provider and item for Ordinary Discount Rear Spring Leaf - 24T Heavy duty truck suspension part leaf spring – Jiachuang, The product will supply to all over the world, such as: Brunei, Peru, New Zealand, Certainly, competitive price, suitable package and timely delivery will be assured as per customers' demands. We sincerely hope to build business relationship with you on the basis of mutual benefit and profit in the very near future. Warmly welcome to contact us and become our direct cooperators.
By Cora from Poland - 2018.09.16 11:31
This is a very professional wholesaler, we always come to their company for procurement, good quality and cheap.
By Athena from Nepal - 2017.11.12 12:31