Steel wire ropes - Bending fatigue testing
1 Scope
This standard specifies the terms and definitions, testing principle, testing machine, specimen, testing procedure and testing report for bending fatigue testing of steel wire ropes.
It is applicable to the plane repeated bending fatigue testing of steel wire ropes below 60mm in diameter under specified conditions.
2 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
2.1
plane single bending fatigue
fatigue testing of bending specimen to a certain angle in one direction by a testing pulley in a plane. See Figure 1 for the principle