IMPACT TESTING APPARATUS WITH DOUBLE HAMMERING PREVENTION MECHANISM AND DOUBLE HAMMERING PREVENTION METHOD FOR IMPACT TESTING APPARATUS

摘要

PROBLEM TO BE SOLVED: To provide an impact testing apparatus comprising a mechanism for preventing an object to be measured from being brought into contact with a hammer again after excitation.;SOLUTION: An impact testing apparatus includes a plate for fixing an object to be measured on the upper surface thereof and a hammer for striking a lower surface of the plate. In the impact testing apparatus, when the hammer strikes the plate, the plate moves up, reaches a top dead point and then falls down by free fall. The impact testing apparatus further includes restriction means for restricting the fall of the plate.;COPYRIGHT: (C)2013,JPO&INPIT