Introduction: The impact testing machine using liquid nitrogen refrigeration, the lowest temperature up to 190 ℃ (-190 ℃ -196 ℃ for special requirements), especially suitable for determining the impact resistance of metal materials at very low temperatures. Is the metallurgical, machinery manufacturing, research monitoring and other units of monitoring materials and research and development of new materials, an important means of testing; Features: 1, the impact testing machine using liquid nitrogen refrigeration, the lowest temperature up to 190 ℃ (-190 ℃ -196 ℃ for the special requirements), particularly suitable for the determination of metal materials at very low temperature impact resistance. Is the metallurgical, machinery manufacturing, research monitoring and other units of monitoring materials and research and development of new materials, an important means of testing; 2, the testing machine host split structure, cantilever swing pendulum hammer body U-type; 3, the impact of the knife with a screw installation, easy to replace; 4, the sample simply supported beam; 5, the host equipped with security pin, and equipped with a safety net; 6, the testing machine in line with international GB / T3803-2002 "pendulum impact testing machine test", according to international GB / T229-2007 "metal Charpy pendulum impact test method" impact test of metallic materials. Technical Parameters: Impact energy: 150J, 300J Pendulum pre-Yang: 150 ° Swing axis center to the impact point distance: 750mm Impact speed: 5.2m / s Sample holder span: 40 + 0.2mm Jaw fillet: R1-1.5mm Impact blade fillet: R2-2.5mm, R8mm Impact knife thickness: 16mm Refrigeration: liquid nitrogen refrigeration Sample capacity: 6 are cold 4 Low temperature range: 0 ℃ ~ -190 ℃ Temperature control accuracy: fluctuation ± 2 ℃, gradient 3 ℃ Sample size: 10 × 10 × 55mm Overall dimensions: 1600mm × 850mm × 1530mm
Introduction: The impact testing machine using liquid nitrogen refrigeration, the lowest temperature up to 190 ℃ (-190 ℃ -196 ℃ for special requirements), especially suitable for determining the impact resistance of metal materials at very low temperatures. Is the metallurgical, machinery manufacturing, research monitoring and other units of monitoring materials and research and development of new materials, an important means of testing;
