摘要
在论述深孔镗削加工过程中自激振动和螺旋沟产生的机理后,分析了石油测井仪器筒体深孔镗削加工中导向块长度对镗刀扭转变形和稳定度的影响。开展了导向块对镗削加工振动和扭矩影响的试验研究。研究结果表明,在一定范围内增加导向块的长度,对减小振动有积极作用;但随着导向块长度的增加,力和扭矩增大,刀具扭转变形增大,导致扭转振动加剧,因此导向块长度也不宜过长,加工材料为0Cr17Ni4Cu4Nb、直径为38mm的深孔时,合理的导向块长度为20.5mm左右。
On the basis of studying the mechanism of the self-excitation vibration and the helix lobes of the cylinder in the well logging tool during deep-hole boring,the influence of the length of the guide pads on the torsion deformation and stability of the boring cutter is analyzed. An experiment on the influence of the guide pads on the vibration and torque in boring is conducted. The result shows that,increasing the length of the guide pads in a certain range may have an active effect on reducing the vibration; while excessive increase of the guide pads length will result in larger torsion deformation of the cutter and more serious torsion vibration. When boring a φ38 mm hole of OCr17Ni4Cu4Nb material,rational length of the guide pads is 20.5 mm or so.
出处
《石油机械》
北大核心
2006年第9期42-45,2,共4页
China Petroleum Machinery
关键词
石油测井仪器
深孔镗削
螺旋沟
试验研究
well logging tool,cylinder machining,deep-hole boring,vibration,helix lobe,experimental research
