本文介绍了一种新型爆破体系——LG 型切割器。用它来进行贵重石材的成型开采,可收到成材率高,切割面光滑平整,无破损及内伤等良好效果。本文对切割原理、配方调节、施工设计、装药系数和孔网参数确定都作了比较详细的叙述,并具体介绍了几个切割实例的应用情况。 This article describes a new type of blasting system - the LG type cutter. Use it for precious stone forming and mining, can receive a high yield, smooth cutting surface, no damage and internal injuries and other good results. In this paper, the principle of cutting, formulation adjustment, construction design, charging coefficient and pore network parameters are all described in detail, and the application of several cutting examples are introduced in detail.