Main Specifications: 1, the impact energy: 150J, 300J 2, pendulum angle: 150 3, the impact speed: 5.4m / s ... determine the material properties under dynamic load.The machine is semi-automatic testing machine, easy operation, high efficiency, raise pendulum, impact, put ... : R1-1.5mm7, the impact of the blade fillet: R2-2.5mm8, the impact of knife thickness: 16mm9, angle accuracy: ± 0 ...