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；
Controlled release drug core with rod-shape can be manufactured by injection process which has the feature of high production efficiency and high precision for drug core.
结果：①采用挤出成型法制备棒状缓释药芯具有生产效率高药芯精度符合要求的特点。
Each switch machine is provided with a travel switch for controlling the travel range of a pull rod, and accordingly, the shape of a guide curve rail can be controlled.
各转辙机上装有行程开关，以控制拉杆的行程，进而控制导曲轨的形状。
The steering engine is steered through the position of the cylinder on the piston rod which is controlled by hydraulic pressure.
利用油压控制油缸在活塞杆上移动的位置进行操舵。
Early marionettes were controlled by an iron rod instead of strings, a form that survived in Sicily.
早期的提线木偶由铁棒而非细绳来操纵，这种木偶仍存在于西西里。
Early marionettes were controlled by an iron rod instead of strings, a form that survived in Sicily.
早期的提线木偶由铁棒而非细绳来操纵，这种木偶仍存在于西西里。
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