| 潜孔柱齿钻头的头部结构研究 |
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| 引用本文： | 易高来. 潜孔柱齿钻头的头部结构研究[J]. 矿业研究与开发, 1994, 14(3): 31-35 |
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| 作者姓名： | 易高来 |
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| 作者单位： | 长沙矿山研究院 |
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| 摘 要： | 钻头头部结构的合理性关系到钻头的性能好坏，因此将钻头头部的传统四翼对称结构改进成三翼整体结构。端面为一双斜面中心大平面的鼓面状结构。文中对Ｃ型潜孔柱齿钻头头部的端面形状、排渣空间、柱齿形状及分布等问题加以阐述。
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| 关 键 词： | 钻头 柱齿钻头 鼓面状结构 潜孔钻头 |
A STUDY ON TOP STRUCTUR EOF DOWN-TNE-HOLE BUTTEN BIT |
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| Yi Gaolai. A STUDY ON TOP STRUCTUR EOF DOWN-TNE-HOLE BUTTEN BIT[J]. Mining Research and Development, 1994, 14(3): 31-35 |
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| Authors: | Yi Gaolai |
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| Affiliation: | Changsha Institute of Mining Research |
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| Abstract: | The rationality of a bit top structure concerns the bit performance.There-fore,the traditional four edge symmetry structure has been changed to a three edge salidstructure which has a bigger centre plane face and double surrounding inclined faces,thatis,the drum shape structure.This paper describes the top structute of Mode C down-the-hole butten bit,including the top shape,fragments blowdown space,butten shape and but-ton distribution,etc. |
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