麻花鉆桿
麻(ma)花鉆(zhan)(zhan)(zhan)桿是一種通(tong)過(guo)(guo)螺(luo)旋(xuan)葉片進(jin)行鉆(zhan)(zhan)(zhan)進(jin)并排渣的鉆(zhan)(zhan)(zhan)桿,主(zhu)要用于地質鉆(zhan)(zhan)(zhan)探和門(men)窗安裝(zhuang)等場景。其特點包括排渣效果好(hao)、鉆(zhan)(zhan)(zhan)進(jin)速度(du)快,但存在鉆(zhan)(zhan)(zhan)進(jin)阻力大、易偏(pian)斜等問題。? 結構與用途 麻(ma)花鉆(zhan)(zhan)(zhan)桿由外平鉆(zhan)(zhan)(zhan)桿桿體焊接螺(luo)旋(xuan)葉片構成,適用于松(song)軟地層,通(tong)過(guo)(guo)螺(luo)旋(xuan)運動將碎屑排出孔外。?