Screw Connections Testing

Screw Connections Testing

Product Details:


Product Description

Screw Connections Testing

The main element of the unit is a slotted, elastically deformable steel block. By tightening the bolt joint, the slotted area is deformed, thereby generating an axial tension force in the bolt. The resulting deformation is recorded by a mechanical dial gauge, and is directly related to the bolt tension force generated.

Learning Objectives And Experiments

  • Axial tension force in a bolt joint dependent on the tightening torque or the elastic deformation of a slotted block
  • Measurement Of The Breakaway Torque, Including For Different Fitting Situations Of The Bolt Joint
  • Measurement of thread friction and overall friction


  • Correlation between tightening torque and tension force on standardised bolts
  • Breakaway torque of a bolt joint



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