伺服系统

My company has the high-precision large and medium-sized CNC milling spiral bevel gear tooth 4-axis CNC machine tools used not only servo-driven, SIEMENS 802D control system to roll all of milling spiral bevel gear, zero Bevel Gear and quasi-double Surface gear, and to the world's most advanced coordinates Coaxial design, successfully applied in the processing of new products in diameter.

我公司拥有的高精度大、中型数控弧齿锥齿轮铣齿机床不仅采用数控四轴伺服驱动、SIEMENS 802D控制系统，以滚切法铣削弧齿锥齿轮、零度齿锥齿轮及准双曲面齿轮，且把当今世界最先进的坐标轴式设计，成功应用于大加工直径的新产品之中。

Its quick-acting performance of the whole governor is incomparable to other servo driving system.

其整机的速动性能是其他伺服驱动系统无法相比拟的。

For this reason, test assessment of fatigue property of wire rope winding sheaves, influence of groove material of sheave on fatigue life of wire rope, fatigue failure analysis of wire rope and microstructure of wire rope have been studied by a new type electro hydraulic servo automatic wire rope–sheave synthetic tester, scanning electron microscopy, micro-hardness measurement, imagine processing and so on.

为此，本文采用新型电液伺服式全自动钢丝绳－滑轮综合疲劳试验装置，综合应用扫描电子显微镜、显微硬度测试和图象处理等技术，对绕滑轮工作钢丝绳的疲劳行为特征和损伤机理进行了系统深入的研究，主要包括疲劳性能试验评价、滑轮材质对钢丝绳疲劳寿命影响、钢丝绳疲劳失效分析和钢丝绳显微组织等的研究。

This machine can wind up sheet materials and f¨ms.suitable for use in the production lines of various sheet materials and f¨ms It features serve control or variable frequency control system with interface,auto control of drawing and win ding tension,auto edge trimming,auto measuring ofwound length,auto severing and change of roll,and real-time display of roll diameter and weight.

这款机型主要用于片材。薄膜生产线中的卷绕，适合配套一般片材。薄膜生产线。该机采用伺服控制或变频控制系统，人机界面操作控制，引取。卷取张力自动控制自动裁边，可直接分裁，自动计算米数，不需胶纸自动换卷，换卷自动切割，实时显示产品直径，产品重量。

Electro Hydraulic Servo Valve is key component in roll load system of aluminium foil rolling mill.

电液伺服阀是铝箔轧机压上电液控制系统中的关键零部件。

ROTOR SYSTEM: Two-bladed main rotor with small two-blade servo-rotor above main rotor and two-blade tail rotor.

转子系统：双主旋翼叶片小二叶伺服转子和两个以上的主旋翼，尾旋翼叶片。

LI Ming,SHI Shouxia(No.25 Institute of the Second Research Academy,Beijing,100854,China)Abstract:It deduces that the equivalent damping ratio and torsion pendulum which is the main performance parameter of the torque feedback rate gyro is related to the gain and time constant of the head of meter.

速率陀螺仪，在姿态稳定系统中有广泛的应用，主要目的是敏感载体的角速度，通过执行机构，实现对载体的控制和稳定，在位标器上应用陀螺仪的目的是测量天线在惯性空间的转率，实现天线稳定的伺服控制。

In the left tool carriage, the ball leadscrew、the servo motor and single gear reducer were displaced,and the coordinated movement about X and Z axis could be implemented by semi-closed loop control of SINUERRIK 802D numerical system.

左刀架采用滚珠丝杠、伺服电机和一级齿轮减速，并利用SINUMERIK 802D数控系统的半闭环控制实现左刀架的X轴和Z轴联动控制，机床改造后，大大扩大了机床的加工范围，同时提高了生产效率和加工精度。

As the motor of direct current had good characteristic of adjusting the speed, the numerical control lathe system adopted the servo motor of direct current in the past.

由于直流电动机具有良好的调速特性，以往数控机床系统均采用直流伺服电动机。

The technique of position servo control is one of the key techniques in machine tools CNC system.

位置伺服控制技术是数控系统中的关键技术之一。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。