The law ofpermeability changes of different frequency range was studied during the wire rope fatigue test.
2
分析了钢丝绳弯曲恢复力矩的等效剪力与抗弯拉力的关系，并介绍了实验方法和结果。
This paper analyzes the relation between equivalent shearing force of elastic righting moment and bending tension for steel wire ropes, and the experimental method and results are also introduced.
3
在需要弯曲时，应尽量取弯曲半径大的走向，以降低钢丝绳和护套管间的摩擦力。
When bending needed, better to adopt larger trend of bending radius so as to lower the friction between cable and casing.
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