本文介绍了回转机械转速测量报警仪的主要功能，系统的工作原理，硬件设计和软件设计。
This paper introduces the main function of the instrument of rotational speed measure and alarm, the working scheme of the system, hardware design and software design.
机械传动系统：设备用户可根据产品工艺特点任意选择搅拌转速。
Mechanical driving system: the equipment user can choose stirring speed according to process features of the products.
采用变频调速控制，对风机、水泵类机械进行转速控制来调节流量的方法，对节约能源，提高经济效益具有非常重要意义。
Frequency control the use of fans, water pumps, type of machinery to carry out speed control method to regulate the flow of energy conservation, economic efficiency is very important significance.
机械系统从刹车中捕获能量，并用来旋转一个转速可以高达80,000 r pm的小飞轮。
Mechanical systems capture braking energy and use it to turn a small flywheel which can spin at up to 80,000 RPM.
给水泵实现转速调节的基本方法有机械和电气两种。
The two principal methods of motor_speed control for feed_water pump are mechanical and electrical.
恒速驱动装置，将发动机齿轮箱的可变转速转变为恒速以驱动电源的液压机械式部件。
Constant speed drive, a hydro-mechanical component for changing variable engine gearbox speed to constant speed to drive the electrical power.
由于变频器的使用，使泵转速下降，出口压力降低，减少了机械磨损，降低了维修工作量，延长了设备的使用寿命。
Because of the use of frequency converter, so that pump speed decreased, exports to reduce stress, a reduction of mechanical wear, reducing maintenance workload, extended equipment life.
在原动机模拟部分，采用电枢电流负反馈加转速负反馈的方法对直流电动机的机械特性进行改造。
In the part of prime mover simulation, the technique of armature current feedback plus speed feedback is adopted to alter the mechanical character of the DC electromotor.
采用变频调速控制，对风机、水泵类机械进行转速控制来调节流量的方法，对节约能源，提高经济效益具有非常重要意义。
Frequency control the use of fans, water pumps, type of machinery to carry out speed control method to regulate the flow of energy conservation, improve cost-effectiveness of great significance.
从机械振动理论出发，用可靠性设计中的联结方程，得出了其在常用工况下按传动轴的临界转速进行可靠性设计的公式。
The paper starts from the theory of mechanical vibration, with tie equipment in the reliability design, and obtains a formula of design on critical speed in common use situation.
本文应用振动测试技术、转速测试技术以及计算机技术等构成了一套可用于工程机械变速箱的故障诊断系统。
A completed set of trouble diagnosis system for transmission in construction machinery using vibration measurement, rotating speed measurement, and computer technology is introduced in this paper.
机械噪声在高转速下对压缩机的噪声影响较大。
The mechanical noise influences the compressor noise greater at higher speed.
在机械结构中主要是主轴箱的传动设计，能够根据以给定的条件主轴转速来设计主传动系统。
In the mechanical structure of the spindle box is the main drive designed to be given under the conditions of the main spindle speed drive system design.
分析了影响机械密封使用的几个因素，包括温度、压力、转速以及被密封介质的特点。
The factors affecting the use of mechanical seals, including temperature, pressure, rotary speed and characteristic of the sealed medium, are analyzed.
除用在燃气轮机电站及联合循环电站中外，同时也越来越多地用作变转速的机械驱动动力。
Apart from its use in power generating units and combined cycle power plants there emerged ever more cases of its application as a variable speed mechanical drive unit.
采用在熔融挤出过程中提高双螺杆挤出机螺杆转速的方法，研究了机械力引发马来酸酐(MAH)熔融接枝弹性体poe的接枝反应。
Grafting of maleic anhydride (MAH) onto POE performed in melting state through mechanical force initiation by increasing the screw rotation speed of twin-screw extruder was studied.
本机配机械无级调速电机、驱动转盘旋转，转盘的转速可在工作时间任意调速，调速平稳。
A mechanical stepless speed regulator is adopted to make the curbing work. The speed can be regulated when the curbing work and can be slewed steadily.
控制电动机的转矩和转速，将电能转换成机械能，实现机械的旋转运动或反复运动。
By control the electric motor's torque and rotational speed, electric energy will be changed into mechanical energy, then mechanical rotary motion and repeated movement are realized.
论述了无转速转矩传感器的刮水器电动机机械特性测试基本原理；
The essential theory of the mechanical characteristic test of the wiper motor without torque and speed sensors is discussed in this paper.
大多数机械传动器的功能都作为转速变速器。
Most mechanical transmissions function as rotary speed changers.
试验结果表明，变窗移傅里叶变换算法正确可行，可有效提取旋转机械振动信号转速谱阵的特征信息。
The experimental results show that it is correct and feasible, and can extract characteristic information of the rotating speed spectral map effectively.
摘要：旋转机械测试中，振动信号通常是随机非稳态信号，必须进行振动和转速信号同步分析。
Absrtact: in rotary machinery test, vibration signal is stochastic and uncertain usually, so, synchronous analysis of vibration and instantaneous rotational speed in the rotary machinery is necessary.
目前，使用机械式转速调整装置的小型汽油机的转速调整率较大，从而严重影响了小型汽油发电机组电气性能。
In present, the turn variation ratio of the gasoline in which the machine adjusting turn device is used is great. So the generator's electricity function index sign is influenced very badly.
介绍了应用人机对话技术、PLC和全数字直流调速器，对依靠调整减速箱挡位来设定钢丝绳生产捻距和筐篮转速的老式机械传动的合绳机进行改造。
Applying interactive interface, PLC and full digital DC speed adjusting system to update old mechanical closer that use gearbox Settings to change the layer of wire rope and the speed of cage.
航空器材。圆盘式机载仪表。机械传动式转速表。
Aircraft equipment. On board instrument with round dials, mechanical transmission tachometer.
飞机设备。圆刻度盘机载仪表。机械传动式转速表。
Aircraft equipment. on board instrument with round dials, mechanical transmission tachometer.
此种方法也能用于其他封闭式转动类机械的转速测量。
This method may also be used to rotative velocity measurement of various full-closed rotative mechanism.
此种方法也能用于其他封闭式转动类机械的转速测量。
This method may also be used to rotative velocity measurement of various full-closed rotative mechanism.
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