调速

Outlet pressure and flow are normally controlled by adjusting valve clearance and it causes considerable energy waste. Frequency control of motor speed is a method of solving the problem. Principle of energy-saving by this method is disserted.

常规的通过调节阀门开启度来达到调节注水泵出口压力和流量的作法，会使很大一部分能量造成浪费，要解决这个问题，可以采取对注水泵进行调速的方法。

PLC touch screen adopt and automatic display encasing speed.

变频调速，采用 PLC 自动控制系统。

Main shaft rotary speed: 1-10rpm/m, electromagneticsm or frequency conversion stepless adjust, harrow arm: 2-8 harrows on each drying layer

主轴转速：1-10转/分，电磁或变频无级调速。◆耙臂：每层干燥盘上2-8支固定在主轴上的耙臂。

Workshop of Japanese Suiden brand uses fanner, those who use is electric machinery of whole sealing low noise deserves to overheat protection lades, without extremely timing line accuses switch design to wait.

东亚日本Suiden品牌工地用电扇子，釆用的是全封闭低噪声电机配有过热保卫搭载，无极调速线控开关策划等。

In various industries, more and more manufactories adopt electronic drive control technology.

本论文在现有的电力电子技术及电机控制实验装置的平台上，设计了矢量控制技术的变频调速实验。

Finally, we chose the most practicable design to develop a shift-level control governor to confirm that the transmission hub is workable and worth for developing.

最后，选择一个最佳的可行设计，进行调速机构的设计与配置来做循序的档位切换控制，以确认所得的轮椅内变速机构具实用与开发价值。

Besides, performance tests were also conducted. Finally, the most practicable design was chosen to develop a shift-level control governor so that the wheelchair can freely move forward, backward and change its directions.

最后，选择一个最佳的可行设计，进行调速机构的设计与配置来作循序的档位切换控制，以提供单侧驱动轮椅可以自如地前进或倒退的行进和转向。

Extrusion System: frequency variable motor, hard tooth-faced speed reducer and high quality nitrified feed cylinder screw.

挤出系统：变频调速电机、硬齿面减速箱加优质氮化料筒罗杆。

Extrusion System: frequency variable motor, cycloidal-pin gear speed reducer and high quality nitrified feed cylinder screw.

挤出系统：变频调速电机、摆线针轮减速箱加优质氮化料筒罗杆。

Plasticating system: frequency variable motor, hard tooth-face speed reducer and high quality nitrified feed cylinder screw.

塑化系统：变频调速电机。，硬齿面减速箱加优质氮化料筒罗杆。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。