Testing method of rope bending performance
A test method and technology for bending performance, applied in the field of testing the bending performance of ropes, can solve the problems of no rope and the test of the bending performance of the rope, etc., and achieve the effects of easy operation, reasonable and simple test method, and high test accuracy.
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[0013] The invention tests the bending phenomenon existing in actual use. The rope is fixed by two clamping devices, and the mandrel drives the turntable to move at a constant speed to make the rope bend. The torque of the mandrel is measured by a precision measuring instrument, and the torque is drawn by a computer. - Time curve, the bending stiffness of the rope is calculated by the formula K=M / θ to reflect the bending performance of the rope. The testing method of the present invention comprises the following steps;
[0014] Step (1) Test the rope torque: use figure 1 The test apparatus shown tests the bending properties of the rope.
[0015] (1) Sample preparation: The sample should be taken from the place that has passed the visual inspection. For the used or used rope, the sample should be taken from the place approved by the relevant parties. The two ends of the sample should be firmly fixed with adhesive tape or other materials. The sample length is 15cm.
[0016] ...
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