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How choice of the Impact Test Apparatus

Jan 11, 2021

How choice of the impact test apparatus?

According to thd IEC 68-2-75 standard,the choice of the test apparatus depends on the orientation of the surface to be tested and on the energy level.Not all mechods can be used in every case.It is self-evident that a pendulum hammer can only used on vertical surfaces without overhangings.Similarly the vertical hammer can normally only be used on accessible horizontal surfaces.When the speciment cannot be moved or turned, for any reason,the choice is limited.The advantage of the spring hammer is that it can be used in  any position,provided there is enough room to apply it correctly, and that the specified impact energy does not exceed 2J.For highter energy levels, a spring hammer would be too difficult to handle, and could even be hazardous for the operator.

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