It is not fastened to the machine on which it is used and may be moved around on the table of the drilling machine to bring each bushing directly under the drill.

它不固定在使用它的钻床上，它能在钻床工作台上到处移动以使每个衬套都直接位于钻头下。

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In this paper, the controlling system to improve ordinary vertical drill to automatic drilling machine based on PLC is introduced, and the automatic drill is suitable for batch production.

本文给出了用可编程控制器(PLC)将普通立式钻床改造成可批量加工的专用自动钻床的控制方法。

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Currently has a long auger, lime machine, High Pressure Jet Drilling Rig, strong drill Roofbolter more than 10 varieties of five series.

目前已形成长螺旋钻机、灰土桩机、高压旋喷钻机、强冲钻机、锚杆钻机五大系列10多个品种。

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