Page 147 - TBIS_15194-2019_(EN)_3nd
P. 147
TBIS 15194:2019
b) The deflection ratio, Dr, for the Test fork for the Impact test shall not exceed the value of 1,0
when computed as follows:
where
Dr is the deflection ratio;
K 2 709，a constant;
L is the fork length, expressed in millimetres;
δ is the deflection, expressed in millimetres.
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