... angle: 150 3, the impact speed: 5.4m / s Function and characteristicsThe machine is mainly used for the determination of ... to determine the material properties under dynamic load.The machine is semi-automatic testing machine, easy operation, high efficiency, raise pendulum, impact, ... center to the impact point distance: 800mm4, the impact speed: 5.4m / s5, the specimen bearing span: 40mm6, jaw fillet ...