山东煤炭科技
山東煤炭科技
산동매탄과기
Shandong Coal Science and Technology
2012年
3期
160-161
,共2页
摩擦焊接%自导正耐磨螺旋%井下煤层钻进
摩抆銲接%自導正耐磨螺鏇%井下煤層鑽進
마찰한접%자도정내마라선%정하매층찬진
friction welding own - guide wear - resisting spiral underground coal seam drilling
助排渣防卡钻耐磨螺旋钻杆采用助排渣防卡钻耐磨螺旋结构,既保留了普通助排屑螺旋钻杆的优点,高耐磨的螺旋凸棱又增强了钻杆的整体耐磨性,是一款非常适用于深孔高效钻进技术的井下瓦斯抽采钻杆。
助排渣防卡鑽耐磨螺鏇鑽桿採用助排渣防卡鑽耐磨螺鏇結構,既保留瞭普通助排屑螺鏇鑽桿的優點,高耐磨的螺鏇凸稜又增彊瞭鑽桿的整體耐磨性,是一款非常適用于深孔高效鑽進技術的井下瓦斯抽採鑽桿。
조배사방잡찬내마라선찬간채용조배사방잡찬내마라선결구,기보류료보통조배설라선찬간적우점,고내마적라선철릉우증강료찬간적정체내마성,시일관비상괄용우심공고효찬진기술적정하와사추채찬간。
This drill adopts slag anti sticking wear resistance spiral structure, not only retains the general chip spiral drill has the advantages of high wear resistance of the spiral ribs, and enhance the overall resistance of drill pipe, is a very suitable for deep hole drilling technology for efficient underground gas drainage pipe.