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METHOD FOR MEASURING IMPACT ABSORPTION ENERGY USING DROPPING WEIGHT TYPE IMPACT TESTING MACHINE, AND DROPPING WEIGHT TYPE IMPACT TESTING MACHINE
METHOD FOR MEASURING IMPACT ABSORPTION ENERGY USING DROPPING WEIGHT TYPE IMPACT TESTING MACHINE, AND DROPPING WEIGHT TYPE IMPACT TESTING MACHINE
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机译：跌落式冲击试验机测定冲击吸收能量的方法及跌落式冲击试验机
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摘要
PROBLEM TO BE SOLVED: To provide a method for testing impact of dropping weight type that measures impact absorption energy and is suited for a DWTT test especially, in conformance with API standards, and a machine for testing impact of dropping weight used for it.;SOLUTION: The method for measuring impact absorption energy using the machine for testing impact of dropping weight, measures the impact absorption energy of a test specimen by using the kinetic energy when a dropping weight is freely fallen without colliding the weight to the test specimen and the kinetic energy after the weight is collided to the test specimen and the test specimen is broken. The machine comprises the weight, a dropping weight guidance mechanism having a mechanism for moving and holding the weight in the vertical direction, a speed detector for detecting the speed of the weight that falls, and a speed detection mechanism having a pass-detection sensor for detecting that the weight felt on the lower side of the stand of the test specimen.;COPYRIGHT: (C)2008,JPO&INPIT
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