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本文介绍捷克在最近几年研制的新型麻钻花头。它们与传统结构的区别主要体现在槽形和钻尖的几何参数上。这种新型钻头的耐用度高,效率高、钻孔质量好。图13幅。
This article describes the new burlesque head that the Czech Republic has developed in recent years. The difference between them and the traditional structure is mainly reflected in the geometrical parameters of the groove shape and the drill tip. The new drill has high durability, high efficiency and good drilling quality. Figure 13 Figure.