... , the impact speed: 5.4m / s Function and characteristicsThe machine is mainly used for the determination of metallic materials to ... determine the material properties under dynamic load.The machine is semi-automatic testing machine, easy operation, high efficiency, raise pendulum, impact, ... angle: 150 °3, the pendulum shaft center to the impact point distance: 800mm4, the impact speed: 5.4m / s5, the ...