查询词典 tire changer

This article first described frequency changer's development process, proposed the PWM velocity modulation method's superiority, had pointed out the future PWM velocity modulation method's prospects for development, the spot will leave has studied the PWM velocity modulation method the significance.

本文首先描述了变频器的发展历程，提出了PWM调速方法的优势，指出了未来PWM调速方法的发展前景，点出了研究PWM调速方法的意义。

In the article introduced in the paper engine drive control system, PLC controls the core, it constitutes the DCS control system through the field bus and the frequency changer, has realized entire paper engine drive functions and so on in process acceleration, deceleration, tight paper, speed chain.

文中介绍的纸机传动控制系统中，PLC是控制核心，它通过现场总线与变频器构成DCS控制系统，实现了整个纸机传动过程中的加速、减速、紧纸、速度链等功能。

This paper introduced the electric current sensor principle of work and voltage pick-up each kind of parameter, elaborated hands over - hands over the frequency changer the principle of work, has made the simple description to its output current voltage waveform, in addition, this article logarithm has also given quite detailed showing according to the gathering technology.

本次论文介绍了电流传感器的工作原理及电压传感器的各种参数，阐述了交-交变频器的工作原理，对其输出电流电压波形做了简单的描绘，此外，本文对数据采集技术也作了比较详细的说明。

Elevator about moves the speed and stops the control controls by the frequency changer. Revolves the encoder pulse number through the survey.

其中电梯的上下运行的速度及起停的控制由变频器来控制，通过测量旋转编码器的脉冲数，来确定楼层的位置及平层数据。

Currently, these test rigsadjust their speed mainly relaying on frequency changer set, direct currentdynamo or complete aero-engine.

目前，试验台的动力主要是靠变频机组、直流电机或用整台航空发动机作为动力来实现调速。

In the article introduced in the paper engine drive control system,PLC controls the core, it constitutes the DCS control systemthrough the field bus and the frequency changer, has realizedentire paper engine drive functions and so on in processacceleration, deceleration, tight paper, speed chain.

文中介绍的纸机传动控制系统中，PLC是控制核心，它通过现场总线与变频器构成DCS控制系统，实现了整个纸机传动过程中的加速、减速、紧纸、速度链等功能。

The present paper to ohm dragon PLC, the ABB frequency changer which used has given the detailed explanation, transported to the RS485 network creation technical main point and in the paper engine drive reality has served as the quite detailed elaboration.

本论文对其中所用到的欧姆龙PLC、ABB变频器作了详细的说明，对RS485网络组建的技术要点及其在纸机传动中的实际运用作了比较详细阐述。

The technical problems, about shortage of separation distance, the feasibility of high-rise polymerization factory building, the fire separation and explosion-proof design of polymerization factory building, the selecting and arrangement of water spraying extinguishing system nozzle, the establishment of deluge system valve, and the essentiality of water spraying extinguishing system which is to be established to protect the VCM gasholder, the positioning of water curtain settled under the space which connect the PVC pack house and pack department and how long the system continue operate? The selecting and the quantity of fire extinguishing agent about gas extinguishing system, which will be used in the new 35KV switch station and some rooms including cabinet room, primary control room, UPS room, voltage changer room, belong to new polymerization power panel and UPS station. Designing the model of power supply and distribution for fire-fighting and designing the hardware organization, software, model of data transmission and fire gang control logic programmer about automatic fire alarm system. Making certain the grade of release source point in the fire or explosive atmosphere and delimiting different grade explosion-proof space. Selecting correct explosion-proof construction of electrical apparatus and delimiting the class of building lightning protection, putting forth the concert steps to deal with thunder stroke and electrostatic discharge and so on, have been deeply researched in the process of designing and then the concert steps to deal with them have been putted forth.

针对设计中遇到的防火间距不足、聚合厂房可否采用高层厂房、聚合厂房的防火分隔和防爆设计、水喷雾灭火系统的喷头选型和布置、雨淋阀组设置、VCM气柜是否需要设置水喷雾灭火系统、PVC仓库与包装车间相通处水幕带的布置和系统工作时间的确定、新建35kV开关站和聚合配电及DCS机柜间内的机柜间、主控室、UPS间、变压器室等处设置的气体灭火系统选型和灭火剂用量确定、消防供配电方式、火灾自动报警系统的硬件结构、软件设计、数据传输方式及联动控制设计中的逻辑编程、爆炸和火灾危险环境危险释放源等级确定和防爆区域等级范围的划分、爆炸危险区域电气设备的防爆结构选型、建、构筑物的防雷类别划分及采取的防雷、防静电措施等具体工程技术问题在深入分析研究后，提出了相应的解决措施。

A general-purpose follower displacement curve data sheet,fulfilling various kind of law of motion,is implemented for the globoid cam mechanisms used in an automatic tool changer .

本文根据自动换刀装置中弧面分度凸轮的工作特点，设计具有升程和回程段的弧面凸轮从动件通用位移曲线。

The CD changer integrated in the glove box compartment holds up to six discs at a time.

手套盒内的CD换碟机能够同时容纳六张光碟。

He studied their excrement for evidence of livestock hair.

他为家畜毛的证据研究他们的粪便。

Loneliness is not grounds for deportation, deportation of the people are not all lonely people.

寂寞也不是放逐的理由，放逐的人也并不都是孤独的人。