THE INFLUENCE OF THE CHOICE OF THE DETECTING HEADS ON THE EVALUATION OF DEFECTS OF WIRE ROPES

RoundTable – HOW SAFE IS A ROPE? – Krakow 1981

The development of the testing equipment and its influence on the testing accuracy. The basic requirement put before the magnetic method, in the first period of its development, was the possibility of detection of a considerable defect of the rope. Such a defect could be, for instance, an accumulation

of broken wires. In that time a quantitative evaluation of the defect and thus the evaluation of the attenuation of rope was not required. The next step of rope examination dealt with the relation between the indicated value and the actual defect of the rope. The investigations in the first period were made with the aid of one sensor, and they resulted in the selection of such parameters of the sensor and such stabilization of the indications, that an Observation of the defect increment from the successive, periodic magnetic testings became real.

Author(s): Juliusz Stachurski, Jerzy Kwasniewski, Leslaw Lankosz, S. Staszic