2) rotary feed
旋转进给
1.
State space model and performance analysis of numerical control machine rotary feed system;
数控机床旋转进给系统的状态空间模型及性能分析
3) rotary drilling
回转钻进
1.
GCF-20A reverse circulation percussive rotary drill rig is a multi function drill rig with percussive drilling as the main means and rotary drilling as supplemented.
GCF - 2 0A型冲击 -回转反循环工程钻机是以冲击钻进为主、回转钻进为辅的多功能钻机 ,可适应软、硬岩石等不同地层钻进的要求。
2.
The description is made of the introduction and analysis of the popular drilling hole technique that used in large boulder formation, including normal drilling technique such as digging, percussion drilling, rotary drilling, large diameter DTH drilling, explosion drilling technique and combined drilling technique.
介绍了目前在含巨大孤石地层中的成孔方法 ,包括一般方法如开挖法、冲击钻进、回转钻进、大直径潜孔锤钻进、爆破法、复合钻进工艺。
3.
The paper introduced the use of airlifting reverse circulation rotary drilling techniques in practice of major diameter socket pile operation at Xiangfan city s Hanjiang No.
介绍了使用泥浆护壁气举反循环回转钻进工艺进行襄樊汉江四桥大口径嵌岩桩的施工实践。
4) rotary drilling
旋转钻进
1.
Based on the principle of conversation of energy,the energy for rotary drilling has been analyzed.
旋转钻进是岩土工程钻探的主要钻进方式,从能量守恒原理出发,对旋转钻进的能量进行分析。
5) penetration per revolution (PPR)
每转进尺
1.
On the basis of analyzing the current drilling methods, a controlled penetration per revolution (PPR) is suggested to be used to control drilling process.
在分析了目前常用钻进控制方法的基础上提出了钻进中应采用控每转进尺的钻进控制方式，并对部分孕镶金刚石大钻头和微钻头进行了室内钻进试验，由每转进尺ｈ和单位钻压每转进尺ｈ／ｐ得出不同岩石中不同钻头的合理每转进尺范围，且由ｈ／ｐ值对不同岩石进行了最佳钻头的选
6) Step rotation
步进转矩
补充资料：开式旋转叶片给料机
分子式：
CAS号：
性质：是旋转给料机一种。它常常装在开式的或密封的斜槽上或连接在贮仓或料斗的底部。由链轮、三角皮带或齿轮传动，借助棘轮及可调曲柄来改变速度。
CAS号：
性质：是旋转给料机一种。它常常装在开式的或密封的斜槽上或连接在贮仓或料斗的底部。由链轮、三角皮带或齿轮传动，借助棘轮及可调曲柄来改变速度。
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