... multi degree of freedom system多自由度系统 multi diameter drill阶梯钻头 multi electrode electrochemical machining多电极电解加工 ...
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Compared with the conventional step bit, the drilling speed of the optimization step bit is increased by 22%.
在此基础上对九阶梯钻头的结构进行了优化设计,与普通结构阶梯钻头相比,优化钻头钻进速度提高了22%。
参考来源 - 阶梯式冲击挤密钻头结构优化设计及试验To improve the drilling rate, the structure of stepped bit is optimized considering the structural dimension parameters as design variables and the maximum axial displacement as the object function,and then it is tested in field.
为提高冲击挤密钻进速度,以阶梯钻头的结构尺寸为设计变量,以钻头最大轴向位移为目标函数,对阶梯钻头结构进行优化,并进行了试验研究。
参考来源 - 基于ANSYS·2,447,543篇论文数据，部分数据来源于NoteExpress
介绍了单阶梯尖环齿钻头的结构特点及碎岩特点。
This paper introduces the 'structure characteristics and rock fragment characteristics of single step drill head with point pick.
本文用平面光弹方法，对阶梯金刚石钻头切削刃下岩石的应力进行分析。
Rock cutting by a step ped bit has been studied with experimental stress analysis and is tested under atmospheric pressure.
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