| GCF-20A型冲击-回转反循环工程钻机 |
| 修订日期：2000-06-08 点此下载全文 |
| 引用本文：王希民,洪晓威,于萍,$2,$2.GCF-20A型冲击-回转反循环工程钻机[J].钻探工程,2001,(5):27-28.. GCF-20A Reverse Circulation Percussive Drilling Rig[J]. Drilling Engineering, 2001,(5):27-28. |
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| 王希民 洪晓威 于萍 $2 $2 |
王希民(吉林省探矿机械厂，吉林长春 130012)
洪晓威(吉林省探矿机械厂，吉林长春 130012)
于萍(吉林大学建设工程学院，吉林长春 130026)
薛军(吉林大学建设工程学院，吉林长春 130026)
王蕙(吉林省探矿机械厂，吉林长春 130012)
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| 中文摘要:GCF-20A型冲击-回转反循环工程钻机是以冲击钻进为主、回转钻进为辅的多功能钻机,可适应软、硬岩石等不同地层钻进的要求.阐述了该钻机技术参数及性能参数的合理选择、用途特点和使用效果. |
| 中文关键词:工程钻机 冲击钻进 回转钻进 冲击-回转钻进 |
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| GCF-20A Reverse Circulation Percussive Drilling Rig |
| WANG Xi min HONG Xiao wei WANG Hui |
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| Abstract:GCF-20A reverse circulation percussive rotary drill rig is a multi function drill rig with percussive drilling as the main means and rotary drilling as supplemented. It can meet the drilling requirements in different formations, such as soft rock to hard rock. The proper selection of the technical specifications and performance specifications of the drill rig, as well as its scope of applications and application results are described. |
| keywords:construction drill rig,percussive drilling,rotary drilling,percussive rotary drilling, |
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