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遵循金刚石钻头胎体与所钻岩石相适应的原则，提出一种胎体材料设计的新思路．按新思路设计的胎体可扩大钻头对岩石的适应范围，并可在钻进过程中自我调节金刚石的出刃状态
Following the principle that the carcass of diamond bit adapts to the rock being drilled, a new idea of carcass material design is put forward. The new carcass designed to broaden the range of adaptation of the drill bit to the rock and self-adjust the edge condition of the diamond during drilling