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孕镶金刚石钻头是目前破碎岩石有效工具之一。在钻进中孕镶金刚石钻头的钻岩效果,存在很大差异,同类型钻头在不同的岩石中钻进,其平均时效或钻头寿命可以相差数十倍。因此,根据岩石特性合理选择和使用金刚石钻头,是达到优质、高效、低耗钻进的重要因素,对提高金刚石钻头的技术经济效果具有重要的现实意义。 作者在多参数模拟回转钻进试验台上,对花岗闪长斑岩、磁铁石英岩等三十余种岩石进
Impregnated diamond drill bit is one of the effective tools for rock crushing. Drilling in the impregnated diamond drill bit drilling results, there is a big difference, with the same type of drill bit in different rock drilling, the average aging or bit life can vary by several times. Therefore, selecting and using diamond bits reasonably according to rock characteristics is an important factor to achieve high-quality, high-efficiency and low-cost drilling, which is of great practical significance to improve the technical and economic effects of diamond bits. The author in the multi-parameter simulation rotary drilling test stand, the granodiorite porphyry, magnetite quartz rock more than thirty kinds of