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钻粒钻进转速太快,钻粒易于飞甩,钻头压不住钻粒,进尺效率不高,且易造成孔斜,这是以往一般钻探工作者的看法和经验,因而一般操作规程,在钻粒钻进中的转速标定是:150-200转/分,最为适宜,由于规程的束缚和受机械转速的限制,因而以加快转速来提高进尺效率这一问题,以往也虽有人想过,也有人干过,但被认为不合法,在总路线的光辉照耀下,技术革命的号角吹亮了我们的心,四月间,我队东峪沟分队首先打破常规,充分发挥3－300 型油压钻机的机械效能,加快转速,试行钻粒块速钻进,起初在1号钻机用340转/分左右,压力400-500公斤,连
Drilling speed is too fast drilling, drilling easy flying fly, bit drilling pressure drill, the footage is not efficient, and easy to cause holes oblique, which is the view of general drilling workers and experience, so the general operating procedures, in the Drilling grain drilling speed calibration is: 150-200 r / min, the most appropriate, due to the rules of the constraints and by the mechanical speed limits, and therefore to speed up the speed to improve the efficiency of the footage, although in the past have thought of, Someone else did it, but it was considered illegitimate. Under the brilliant shine of the general route, the horn of the technological revolution has blown our hearts. In April, the team of Dongyugou first broke the routine and gave full play to the Type 3-300 oil Drilling machine mechanical efficiency, speed up the trial drilling speed drilling block, initially in the No. 1 rig with 340 rev / min or so, the pressure 400-500 kg, and even