火炮中的引信零件为了保证可靠的发火性能,机械加工后都不允许带有毛刺,为了去掉这些毛刺,多数采用手工刮;也有用机械振动加磨料去毛刺的方法;有的采用电火花去毛刺,根据零件形状、要求而选用。引信中的击针, Fuze parts in the artillery in order to ensure reliable firing performance, after machining are not allowed with burrs, in order to remove these burrs, the majority of hand-scraping; also useful mechanical vibration and abrasive deburring methods; and some using electric spark deburring , According to the shape of the parts, requirements and use. Fuse in the firing pin,