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Your Position:Home >>Leaf Spring >>TRA Leaf Spring >>Heavy Duty Conventional TRA3343 Trailer Spring
Heavy Duty Conventional TRA3343 Trailer Spring
  • China
  • WONDEE
  • 13856-01
  • TRA3343
  • Trailer
  • Tianjin, Xiamen, Shenzhen
  • About 20 Working Days
  • L/C, T/T, Western Union
  • Product Details

 

TRA3343 Trailer Spring Dimension:


1.Size: 100 x 11

2. Ten Leaves, Conventional type

3. Part No.: 13856-01

4. Weight: 69.02KG


Conventional TRA3343 Trailer Spring are made as follows:


Multi-leaf springs are made as follows:

1.   Shearing of flatbar
2.   Center holepunching / Drilling
3.   End Heatingprocess forming (hot & cold process)
    1.  Eye Forming /Wrapper Forming
    2.  Diamond cutting/ end trimming / width cutting / end tapering
    3.  End punching /end grooving / end bending / end forging / eye grinding / end rolling
    4.  Center holepunching / Drilling / nibbing
4.   Heat Treatment
    1.  Heating
    2.  Hardening
    3.  Cambering
    4.  Quenching
    5.  Tempering
5.   Surfacepreparation
    1.  Shot peening /stress peening
    2.  Primary painting
6.   Eye bushpreparation process
    1.  Eye reaming /eye boring
    2.  Bush insertion
    3.  Bush reaming
7.   Assemble
    1.  Presetting &load testing
    2.  Finish painting
    3.  Marking &packing