Experimental results show that the thrust of such a drill is decreased by about 40% as compared with that of a standard drill and the torque by about 20%.
实验表明，这种麻花钻的轴向力较普通麻花钻降低40%左右，扭矩降低20%左右，是一种切削力小、能耗低的麻花钻。
The rotary and carriage assembly is adapted to apply rotational, thrust and pull-back forces to the drill pipe.
旋转和机架组件用于向钻杆施加旋转、推进和回拉力。
The work principle and the motion order of the pneumatic loop of total drill was explained based on the example of thrust force air cylinder.
本文给出了该机的原理和整体结构，介绍了钻孔模块部分。并以推力气缸为例，详细说明了整机气动回路的工作原理及其动作顺序。
The thrust is greatly affected by the feed speed while the torque is obviously affected by drill geometries.
进给速度对轴向力的影响较大，而钻头几何形状对扭矩的影响较大。
The thrust is greatly affected by the feed speed while the torque is obviously affected by drill geometries.
进给速度对轴向力的影响较大，而钻头几何形状对扭矩的影响较大。
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