结果表明：采用异形研磨体——含少量耐磨耐腐蚀的微量元素超高铬柱（棒或段）球，对于粉磨坚固矿石具有显著的增产、节能、降耗的效果。
The results show that it will have obvious effect of increasing output , saving energy and reducing power consumption if superhigh chromium cylinder-ball mixing a small quantity of wearable-c.
文中主要针对玻璃钢件切削加工性较差的问题，采用带有金刚石磨粒磨头对玻璃柱件进行加工。
According to the problem that the remove of fiberglass is worse than metal material, grinding head with diamond abrasive is used to process the fiberglass column in this paper.
主机电动机通过减速器带动主轴及各层转盘旋转，转盘通过柱销带动几十个环辊在磨环滚道内滚动并旋转。
The main bearing and each dial are driven by electromotor of main machine through reducer, and Numbers of roller which are rolling in the ring, which are driven by dial through plunger.
当抽油杆柱在上述一个或几个条件共同作用下达到偏磨临界条件时。杆管将产生偏磨。
When Wells run at one or some of the above states, and the practical down stroke axial load of the plunger is greater than the critical axial load, the wear of rod string and tubing will take place.
计算结果表明，有效偏心距和上部钻柱的提升力是影响近井口套管偏磨的主要因素。
The calculation results demonstrate the effective eccentricity and the lifting force of the upper drill string are the major influential factors.
限位部的形状与相应的突出部的形 状相对应。本发明的防磨结构组件具有多块耐磨刚玉陶瓷块、金属衬板、防震垫、内侧 金属螺柱、金属螺帽和刚玉陶瓷塞。
The wear resistant corundum ceramic block includes integral main body, protuberant part, limiting part and connecting holes, and the limiting part has shape corresponding to the protuberant part.
限位部的形状与相应的突出部的形 状相对应。本发明的防磨结构组件具有多块耐磨刚玉陶瓷块、金属衬板、防震垫、内侧 金属螺柱、金属螺帽和刚玉陶瓷塞。
The wear resistant corundum ceramic block includes integral main body, protuberant part, limiting part and connecting holes, and the limiting part has shape corresponding to the protuberant part.
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