Page 46 - TBIS_79010-2019_(EN)_1nd
P. 46
TBIS 79010:2019
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.
Page 42 for 43
