第569章 云真人不懂火枪,却懂造枪管

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棍的一端,做出转动的动作。
    “直接用钻头,从枪管毛坯中钻出枪膛,这样的枪管,质量又会如何?”
    孙元化和毕懋康愣住了。
    枪管从来都是‘卷’或是锻打出来。
    居然还能‘钻’?
    云逍细致地一番解释。
    枪支发射子弹时,枪管要承受巨大的压力。
    为追求更大射程,只能将子弹装药量增多,发射药释放能量加大。
    如此一来,对枪管的硬度和韧性要求就更高。
    铸造的枪管,冷却时易产生气泡。
    卷制、锻打的枪管,枪管并非是一个完整的整体。
    为了保证不炸膛,管壁普遍较厚。
    不仅难以保证内膛表面光滑,影响射击精度,承受火药的强度也不够高。
    而钻膛枪管却是不同。
    原理很简单。
    先选择优质钢材,铸造成棍状,然后切割成枪管毛坯。
    随后用深孔钻在毛坯中心打出通孔。
    再将通孔内壁研磨光滑,一根枪管也就成了。
    这就是后世用来造枪炮的无缝钢管。
    由于钻膛枪管是一个整体,因此更为坚韧,承受火药的能力自然是倍增。
    这样的枪管,不仅不容易炸膛,还变得更薄更轻。
    因此可以装填更多的火药,威力自然也就倍增。
    一直到后世,枪管、炮管都是用这种方法造出来的。
    只不过所用的钢材,选用的是合金钢罢了。
    “据我所知,现在有车床,用于钻膛应当不成问题吧?”
    “用车床来钻膛,数个时辰钻一根枪管,也应当不是问题吧?”
    云逍丢掉手里的棍子,哂然一笑。
    孙元化和毕懋康瞠目结舌。
    愣了半晌。
    孙元化一声长叹:“云真人,真是有着一颗七窍玲珑心!”
    “还能这样,竟然还能这样……”
    毕懋康失了魂一般,口中喃喃自语。
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