以上来源于: WordNet
New method for online tool wear estimation in spiral rod numerical controlled milling is presented.
介绍了一种在线估算螺杆数控铣削中刀具磨损量的新方法。
Due to the special structure of controlled direction well, it can lead to severe abrasion even jamming if not adopting any measure when using progressing cavity pump rod to pump oil.
由于定向井井身结构特殊，利用螺杆泵进行抽油时如不采取任何措施势必造成杆柱严重磨损甚至卡死。
The manual pressing section makes the downward movement by a slide cylinder and a pressing head driven by a pressing rod, and the travel of the pressing head is controlled by a limited ring;
手动按压部分由按压杆带动滑柱及按压头向下运动，并通过限位环来控制按压头的行程；
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