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

       新型煤鉆桿是在原有老式麻花煤鉆桿的基礎上,采用鋼管和T型鋼帶焊接結構,經預應力纏繞焊接工藝制造而成。新型煤鉆桿具有重量輕(比老式麻花鉆桿輕45%),進尺快、粉塵小,垂直向下鉆孔不留巖屑,成孔清晰。新型煤鈷鉆桿桿體可與鉆尾分離倒頭使用,延長了使用壽命。彈簧銷或螺紋連接方便快速。新型煤鈷桿分為單螺旋葉片、復式螺旋葉片和通水型與干式型。

       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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