通过控制基于连续的切削片的卷曲情况：把切削片处理成直而平的翅状切削片，来提高切削片的热传递能力。
Through controlling chip curl based on the continuous strip chips, the flat straight fins were processed to improve the fins' heat transfer capability.
针对山前构造的地层岩性特征，从复合片、刀翼形状、齿型、切削齿力平衡等方面设计和改进了PD C钻头。
Based on the formation lithology characteristics, the PDC bit was optimized from such aspects as the composite block, blade geometry, cutter model, and cutter mechanics balance, etc.
分析不同切削条件下层片宽度的变化及其与变形系数之间的关系。
The variation of the lamella width in different cutting conditions and the relation between the lamella width and the chip deformation coefficient are also analysed.
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