1、 Equipment application field The first / second stage light gas gun uses the compressed light gas (nitrogen) as the launching medium to drive the test projectile to accelerate in the bore and make the projectile obtain the required high-speed experimental gun at the muzzle. The type and pressure of the driving gas are determined by the mass of the projectile and the required impact velocity. When launching, the compressed gas injected into the air chamber will be released suddenly and controllable, and the projectile will be pushed out of the chamber and hit the target in the target chamber. Main indexes of the first / second level light gas gun 25-250mm: Bullet weight 0.5kg; Muzzle speed: 40-100m / S Impact angle < 0.5mrd, 57mm, The first-class light gas gun is mainly used for the study of basic properties of materials, as well as physics, geophysics, explosion physics and mine excavation. 2、 Function introduction The first stage light gas gun is composed of platform support, air chamber and launching pneumatic mechanism, gun tube, velocimeter, buffer energy absorption target and main body, control system. When the material test is carried out, the air pressure is provided by the origin and controlled by the pneumatic mechanism. The air chamber firing mechanism starts quickly, and other propelling bullets accelerate forward, impact the target target after exit, and then the buffer energy absorption mechanism receives. The energy absorber is mainly used to prevent the rebound of bullets and targets, all of which are made of high damping materials. 3、 Technical parameters: Test materials: metal, nonmetal, composite, etc Gas gun device Gas chamber: ~ F300 ╳ 500mm; 1 set Barrel: ～ f ╳ 3000mm, inner diameter ≥ f25mm; 1 set Launching mechanism: Made of stainless steel by precision machining; 1 set Service pressure of booster pump: 0.5 – 10MPa; Height from the center of impact device to the ground: 1100mm; Main support: steel structure profile platform: 5000x1000x600 (LHW) Support and caliper: made of aluminum alloy and polytetrafluoroethylene. Buffer protector: 1 set A set of integrated console A set of test software A set of stress and strain collection system A set of target rooms One set of speedometer
