新型煤（麻花）钻杆-矿用钻杆-河北永广矿山设备有限公司

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新型煤（麻花）钻杆

新型煤(麻花)钻杆/ The new coal drill pipe( spiral

新型煤钻杆是在原有老式麻花煤钻杆的基础上，采用钢管和T型钢带焊接结构，经预应力缠绕焊接工艺制造而成。新型煤钻杆具有重量轻(比老式麻花钻杆轻45％)，进尺快、粉尘小，垂直向下钻孔不留岩屑，成孔清晰。新型煤钴钻杆杆体可与钻尾分离倒头使用，延长了使用寿命。弹簧销或螺纹连接方便快速。新型煤钴杆分为单螺旋叶片、复式螺旋叶片和通水型与干式型。

On the basis of orginal vintage twist coal drill pipe, the high quality steel and T type steel weldedstructure, the advanced prestressed winding welding manufacturing process and model coal drill pipe.

New coal drill pipe has the advantages of light weight (45% lighter than the old twist drill pipe), footagequickly, small dust, vertical drilling down without leaving the cuttings, pore forming analysis. The newcoal drill rod and the drill head can be separated using the tail, prolong the life. Spring pin or screwconnection, convenient and quick. The new coal drill pipe is divided into single screw blade, doublehelicalbladeand water type and dry type.

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