夹钻（wedging of drill tool）钻探或钻井施工中的一种孔（井）内事故。是指粗径钻具的侧部被卡塞而使钻具提升受阻的现象。
在设计钻模和夹具时，要同时设计装夹系统来保证提供恰当的装夹力，并使装夹操作快速而安全。
When jigs and fixtures are designed, the clamping system is designed to ensure that the correct clamping force is applied, and that the clamps can be operated quickly but with safety.
华司组合机，液压自动铣槽机、钻尾螺丝机、选别机、深孔机、攻牙机、自动车床以及夹链胶袋头，及来图订做各类机机械。
Our main products include washer assembly machines, hydraulic automatic slot milling machines, check weighers, deep-hole drilling machines, and zip lock bags. We can also customize various machines.
论述了冲击钻钻孔灌注桩施工工艺及断桩和桩身夹泥的处理措施。
The processing measure was introduccd by the impact drilling filling pile construction craft and broken pile and the pile body clamps the putty.
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