| 导向钻进法用三翼回拉扩孔钻头最优切削角计算 |
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| 引用本文： | 史晓亮 段隆臣 王蕾. 导向钻进法用三翼回拉扩孔钻头最优切削角计算[J]. 探矿工程(岩土钻掘工程), 2001, 0(3): 49-52 |
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| 作者姓名： | 史晓亮 段隆臣 王蕾 |
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| 作者单位： | 中国地质大学(武汉〉工程学院, |
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| 摘 要： | 分析了导向钻进法用三翼回拉扩孔钻头在复杂地层条件下的力学性质,推导了计算不同岩石的最优切削角公式,并得出常见岩石的最优切削角值,进一步对回拉扩孔钻头的结构形式提出了优化,为导向钻进法回拉扩孔施工达到最优钻进,提供了必要的力学计算依据.
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| 关 键 词： | 导向钻进法 三翼回拉扩孔钻头 优化 切削面 |
| 文章编号： | 1000-3746(2001)03-0049-04 |
| 修稿时间： | 2000-03-31 |
Calculation of the Optimum Cutting Angle of Three-wing Back Reamer in Guided Boring |
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| SHI Xiao liang,DUAN Long chen,WANG Lei. Calculation of the Optimum Cutting Angle of Three-wing Back Reamer in Guided Boring[J]. Exploration Engineering （Rock & Soil Drilling and Tunneling）, 2001, 0(3): 49-52 |
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| Authors: | SHI Xiao liang DUAN Long chen WANG Lei |
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| Abstract: | The mechanical characteristics of the three wing back reamer used in guided boring in difficult formation is examined. The formula for calculating the optimum cutting angle in different rocks is deduced with the optimum angle obtained. The structural type of the back reamer is furthur optimized to provide necessary mechanical calculation basis for optimization of back reaming in guideel boring. |
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| Keywords: | guided boring three wing back reamer optimum cutting angle |
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