发明名称 Anordning och metod vid borrning i berg
摘要 The present invention relates to a method and an arrangement for controlling drilling parameters when rock drilling. The arrangement is arranged such that a drill tool is connectable to a drilling machine by means of one or more drill string components, wherein the arrangement comprises means for rotating the drill tool during rock drilling and for providing a tightening torque for tightening joints between one or more from the group: drill tool, one or more drill string components and drilling machine. The arrangement is arranged to control the rotational speed of the drill tool based on available tightening torque.
申请公布号 SE0403009(D0) 申请公布日期 2004.12.10
申请号 SE20040003009 申请日期 2004.12.10
申请人 ATLAS COPCO ROCK DRILLS AB 发明人 MARIA PETTERSSON
分类号 E21B;E21B44/04;(IPC1-7):E21B/ 主分类号 E21B
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