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Industry News · Home > Industry News > Pressing Fatige Testing Machine for Leaf Spring

Pressing Fatige Testing Machine for Leaf Spring


访问人数:608  新闻作者:  新闻来源:  发布时间:2016/3/4 15:51:42
 

200KN 300KN 400KN500KN 600KN Pressing Fatige Testing Machine for Leaf Spring

 

 

GB/T19844-2005 leaf spring used in automobile

  • 5.5.2 stiffness testing, continuous loading and unloading with confirmation loading, recording deformation at the same time, and loading gradually, testing point should be equal or more than 7, stoping when loading up to 1.5 times.
  • 5.6 vertical loading fatige testing, pulsing fatige testing carried out by certain amplitude after pre-deformation, stree amplitude up to 323.62Mpa(3300kgf/cm²) and maximum loading up to 833.5Mpa(8500kgf/ cm²),  fatige life of leaf spring is equal or more than 80000 times. Inspecting test-piece every 10000 times, inspecting every 500 times after check out crack. Recording Life of sample after test-piece cracked.

 

Compatible machine type:

Electronic pressing testing machine for spring

Mechanical pressing testing machine for spring

Hydraulic pressure testing machine for spring

Hydraulic pressure fatige testing machine for spring

Static fatige testing machine

 

 


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