In order to ensure the reliable release and normal operation of the load, it is necessary to accurately control the load overload and load speed. The key factors affecting the load release, such as the main charge type, the gas mass flow rate, the diameter of the shear screw weakening groove, the piston movement stroke, the piston diameter and the initial volume, are analyzed in detail The influence of the process on the design index is obtained, and the combination of design parameters meeting the requirements of all design indexes is obtained. Through numerical simulation and ignition test, the results show that the combination of design parameters can meet the design requirements. The research results have guiding significance for the design of similar products.<br>
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