2) combined gallery-drill technology
坑钻联合
3) tunneling combined with drilling
坑钻结合
4) bottom hole assembly
钻具组合
1.
Dynamic model of bottom hole assembly used in pre-bending dynamic vertical and fast drilling technology;
预弯曲动力学防斜打快钻具组合动力学模型
2.
Sensibility analysis of the factors affecting the stress level of bottom hole assembly;
下部钻具组合应力水平影响因素的敏感性分析
3.
Dynamic analysis of the hinged bottom hole assembly;
铰接式钻具组合的动力学分析
6) Combination drilling machine
组合钻床
1.
The bearing convenient design for the principal axis and transmission axis of Combination drilling machine;
组合钻床主轴及传动轴轴承支承部件的便捷设计
2.
The innovative design of spindle box for 16 hole combination drilling machine has solved above problems.
从企业实际需求出发,在全面分析被加工零件的基础上,指出现有设备的不足,不仅工人劳动强度大,而且生产效率低,不利于保证零件加工精度,采用16孔单工位组合钻床主轴箱的创新设计可解决上述问题。
3.
The crankshaft machine working request and the characteristic have been analyzed,one kind of the combination drilling machine with clamped one time is designed,and the system design structure and various parts composition are introduced.
分析了曲轴的机械加工要求和特点,设计了一种一次装夹的组合钻床,给出了总体设计结构和各部件的组成;对钻削动力头进行了动力分析和切削分析,详细推导了切削力、切削扭矩和切削功率的计算公式,确定了钻削动力头的功率范围;最后分析了钻削主轴结构及夹具定位系统,给出了钻孔主轴的设计规范及直径的计算公式,并阐述了夹具系统总体设计上的几点考虑。
补充资料：冻土钻(见取土钻)
冻土钻(见取土钻)
dongtuzuan冻土钻见取土钻
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条