一、前言使用单基发射药装配7.62毫米步枪弹过程中,发现在拨弹秤药时有个别发射药不能自由地从弹壳中倒出。发射药金属包装箱内壁有沾药现象、装药量比出厂时增加较多等质量问题。为此,我们先后到有关厂和库房进行了调研和试装试验,并进行理化分析和弹 I. INTRODUCTION The use of monomelic propellants in the assembly of 7.62 mm rifles has found that individual propellants can not be freely dispensed from the cartridge when dispensing them. The inner wall of the projectile metal packing box has the phenomenon of sticking to the drug, and the charge amount increases more than the delivery time and other quality problems. To this end, we have to the factory and the Treasury conducted a research and test equipment, and physics and chemistry analysis and bombs