| R─618型钻机大口径钻头用复合型截齿 |
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| 引用本文：兰方鑫,桂兵祥,张汉斌,刘志坚,张科.R─618型钻机大口径钻头用复合型截齿[J].钻探工程,1999,(4):11-12.. Composite Cutters Used in Largediameter Bit for R 618 Drilling Machine[J]. Drilling Engineering, 1999,(4):11-12. |
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| 兰方鑫 桂兵祥 张汉斌 刘志坚 张科 |
武汉地质勘察基础工程总公司，中国地质大学(武汉)
掘进工程研究所飞龙钎具厂 |
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| 中文摘要:介绍了一种新型桩基工程中常用的复合型截齿。该截齿经武汉地质勘察基础工程总公司在长江广场与进口截齿和国内仿制截齿应用对比，表现出多项独特性能。 |
| 中文关键词:R-618型钻机,复合型截齿,钢体,固齿,耐磨 |
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| Composite Cutters Used in Largediameter Bit for R 618 Drilling Machine |
| / Lan Fangxin Gui Bingxiang |
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| Abstract:A new type of composite cutter bits applied to pile foundation engineering is introduced. The cutter bit possess of several distinctive features comparing with the cutter bits imported from foreign countries and the domestic copy cutter bits by engineering application of Wuhan geological survey and foundation engineering corporation in Changjiang square. |
| keywords:R 618 drilling machine, composite cutter bits, steel matrix, fixed bits, hardwearing, |
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