Cord Guard Flexing Tester
Model No. HV-EXP2328
Cord Guard Flexing Tester - For Electrical Lab Training The cord coming out of an electric iron is subjected to a large number of flexing cycles about its junction with the iron when it is moved to-and-fro while being used. Because of this movement the conductors and the insulation over them are subjected to repeated pulling and release or to flexing which cause them to fail. The intensity of these actions on the cord can be reduced by providing a cord guard at the point where the cord comes out of the iron. Suitability of such cord guards in increasing the operational life of the cord is determined by means of a cord guard flexing test. ; In this test the iron is held in a vertical plane with the cord coming out along a vertical axis. A dead weight is suspended from the cord and the iron is oscillated through an angle of 45° on either side about an axis tangential to the outer surface of the part in which cord guard is secured. This operation is performed ten thousand times, after which the iron is shifted so that the flexing takes place along a plane at right angle to the one in which flexing took place earlier. After flexing for another ten thousand cycles, the iron is checked for damages to the cord guard and its flexible cable or cord. ;.
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