impact testing machine lab manual Manual type: Manual Impact Testing Machine is used for measuring the metal material resistance performanceunder dynamic load, in order to determine the material properties under dynamic load. 1. Impact energy: 50J (sledge hammer) 25 (small hammer) 2. Impact speed: 4.0m/s 3. Pre lift angle of pendulum: 150 degrees 4. Specimen support span: 40mm 5. Fillet …