The harmonic screw type valve is driven by the double wave harmonic screw. It can transform circle movement to line movement for the closing and opening of the valve.
谐波螺旋式阀门采用双波谐波螺旋传动，实现由圆周运动向直线运动的转化，实现阀门的启闭。
The motor driven screw mechanism pushes wet soybeans into the grinder. Feed can be adjusted by changing RPM of the motor.
由电机带动螺旋机构推动湿豆进入磨浆机中，通过调节电机转速调节湿豆供应量。
In order to ensure the efficiency and service life of screw drilling tools, an inverse inspection method for screw drilling tools driven by hydraulic motor is investigated.
为了确保螺杆钻具的效率和使用寿命，研究了采用液马达驱动的螺杆钻具逆向检测试验法。
The utility model can be synchronously driven with a screw conveyor or can be independently driven by a fixed speed or variable speed transmission device.
可与螺旋输送机一起同步传动或者用固定速度或变速的传动装置单独传动。
Summary of Background Data. Safety concerns have driven specific interests in the accuracy and precision of pedicle screw placement.
背景资料概述：由于安全性的关系，使得人们对椎弓根螺钉置钉的准确性和精确度有着特殊的兴趣。
The driving and driven screw rotors are the most important components. The rotor profile and thermodynamic performance determine the pumping performance of pump.
干式真空泵中最重要的部件就是阴、阳螺杆转子，转子型线及其热力学性能决定了泵的抽气性能。
The round trip is driven by servomotor, matched up with precision ball screw and wire slide rail, to smooth the round trip of the blade and position accuracy.
行程以伺服马达驱动，配合精密滚珠螺杆及线滑轨，切刀行程顺畅，定位精准。
In the light of the frequent breaking of the rod string in a surface driven screw pump well, the force condition of the string in the well is analyzed by means of the elastoplasticity theory.
针对井口驱动螺杆泵抽油杆柱断脱频繁的问题，应用弹塑性理论分析了抽油杆柱在井中的受力状况。
Pumps work, as the two screws driven screw symmetrical and active engagement, so the role of the active radial force on the screw entirely balanced, active screw does not bear bending loads.
泵工作时，由于两从动螺杆与主动螺杆左右对称啮合，故作用在主动螺杆上的径向力完全平衡，主动螺杆不承受弯曲负荷。
High precision, sophisticated ball screw. Backgauge driven by digital ac servo motor, high speed, high precise, precise fix position.
高精度滚珠丝杆后挡料，AC伺服电机控制，精度高、速度快、定位准确。
A screw gear type differential mechanism includes a differential carrier, an operculum, a main reducing gear driven gear, left and right half axis gears, etc.
本螺旋齿轮式差速器，包括有差速器壳、壳盖，主减速器从动齿轮，左右各一个半轴齿轮等。
It is supposed to introduce the technology of gear-rack driven mechanism and nut-screw safety mechanism from Germany.
目前，三峡升船机引入德国技术，拟采用齿轮—齿条爬升机构、长螺母柱—短螺杆安全机构。
It is supposed to introduce the technology of gear-rack driven mechanism and nut-screw safety mechanism from Germany.
目前，三峡升船机引入德国技术，拟采用齿轮—齿条爬升机构、长螺母柱—短螺杆安全机构。
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