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introduction： The frequency converter can not be used normally in all cases，So it is necessary for the user to load、Learn more about environmental requirements and drives。 1.Load type and inverter selection： Driven by an electric motor...
2016-03-08 Reading quantity 1790
introduction：SKFBearing combination needle roller bearings are composed of a radial needle roller bearing and a thrust bearing，Therefore, it can withstand radial and axial loads。Combined needle roller bearings are limited in radial space，Positioning of bearings can be configured。They are particularly suitable for other types of positioning bearings that take up too much space or have a large axial load，Applications with high rotational speed or insufficient lubrication for thrust washers alone。 ?...
2016-03-08 Reading quantity 1810
introduction： Bearing classification and bearing definition： Rolling bearing：Bearings that move in rolling motion between supporting loads and parts that move relative to each other，It includes a part with a raceway and a group of rolling elements with or without an isolation or guide。Can be used to withstand radial、Axial or combined radial and axial loads。 Angular contact bearing：Nominal contact Angle between ball and ring...
2016-03-08 Reading quantity 1778
introduction： The frequency converter will also have some problems in the process of working，Such as vibration and noise is often a problem when the inverter is working，So what is the reason for the vibration and noise of the frequency converter？What are the solutions to these problems，Lets specifically introduce the causes and treatment methods of vibration and noise generated by the frequency converter。 ...
2016-03-08 Reading quantity 1842
introduction： At present，The application of overcurrent relay principle in modern times is more and more extensive，The principle of overcurrent relay is worth studying，Now lets take a closer look at the principle of overcurrent relays。 The working principle of electromagnetic overcurrent relay is compound type，It is composed of two elements of induction type and electromagnetic type that share a coil。unrelayed...
2016-03-08 Reading quantity 1866
introduction： In summer, inverter repair and maintenance precautions，The reason for the severe hot weather in summer is the hard injury caused by the heat of the inverter，Summer inverter maintenance pay attention to these points，temperature，humidness，ventilate，No dust, no interference，The inverter is carried inside、Exterior cleaning，Now the weather is relatively hot, it may be that foreign bodies have entered the inverter before, resulting in air duct blockage，High load due to poor heat dissipation。Industrial products online Xiaobian for everyone to help sort out some precautions
2016-03-08
Reading quantity 1841
introduction： PLCGenerally, the relative humidity of the air in the working environment should be less than85％，In order to ensurePLCInsulation properties of。Too much humidity can also affect the analog input/The accuracy of the output device。 thoughPLCIt has high reliability，And has a strong anti-interference ability，However, in too harsh environment or improper installation and use，Could have caused itPLCInternal information...
2016-03-08 Reading quantity 1925
introduction： With the rapid development of modern power electronic technology and microelectronic technology，The high voltage and high power frequency conversion speed regulating device has been maturing，It has been difficult to solve the problem of high pressure，In recent years, it has been well solved by device series or unit series。However, in use, we still understand in advance the problems that should be paid attention to during the start-up process of the high voltage inverter。 ...
2016-03-08 Reading quantity 1825
introduction：Dongguan Motor maintenance?Servo motors are different from general induction motors，Its dynamic，complex，There are special requirements for maintenance and calibration。Correctly calibrate position detection systems such as speed measuring position encoders，The rotary transformer and sine-cosine encoder are the basic prerequisites for the accurate conversion and correct operation of the motor。
2016-03-08 Reading quantity 447
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