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introduction：AmericaMRCThe company is a world famous company specializing in the design and manufacture of metallurgical equipment，It has a history of 100 years，online、Bar mill and oil film bearingThe manufacturing industry in the worlds leading position。At present，All over the world80%The above high speed wire mill and oil film bearing are made ofMRCCompany provided。 MRCSpecial bearing performance is stable，Suitable for high temperature working environment steel plant use。
2017-07-21 Reading quantity 235
introduction：Want professional maintenance inverter，First of all, we must understand the frequency converter。Frequency converterI think there are a lot of people who are familiar，Frequency changer（Variable-frequency Drive，VFD）Is the application of frequency conversion technology and microelectronics technology，The power control equipment of AC motor is controlled by changing the working power frequency of motor。 The frequency converter is mainly commutated（Ac to DC）、filtering、inverse（Dc to AC）、Brake unit、Driving unit、Detection unit, microprocessing unit, etc。Inverter internalIGBTTo adjust the output power supply voltage and frequency，According to the actual needs of the motor to provide its required power supply voltage，Thus achieving energy saving、Purpose of speed regulation，In addition，The inverter also has many protection functions，Like overflow、overvoltage、Overload protection etc.。With the continuous improvement of industrial automation，Frequency converters have also been widely used。 Working principle： The m
2017-07-21 Reading quantity 269
introduction：Micro gear motor is micro precision gear box（Also known as a gearbox）An electric motor that is integrated with a miniature motor。When the user selects the motor，Often because the single motor speed is too high or the torque is too small to meet its needs。
2017-07-21 Reading quantity 209
introduction：Dc gear motor，Namely, gear reduction motor，It is on the basis of ordinary DC motors，Plus supporting gear reduction box。The function of the gear reduction box is，Low RPM provided，Large moment。meanwhile，Different reduction ratios of the gearbox can provide different speeds and torques。Thats a big improvement，The use of DC motors in the automation industry。
2017-07-21 Reading quantity 104
introduction：abbaHow to select the rail？ How to select the rail mainly depends on what environment you are using，The advantages and disadvantages of the use environment directly affect the choice of products。Including space limitations、Precision requirement、Rigidity requirement、Load mode、journey、Operating speed、acceleration、Frequency of use、environment、Required life。Then choose the brand and collection。Then there is precision selection，Generally, a series of linear guides have different accuracy。Then determine the size and number of sliders。Calculate the maximum load of the slider。 abbaThe line rail is suitable for high speed movement and greatly reduces the drive horsepower required for the machine as the line rail is moved with very little friction，Little power is needed to run the bed，This is especially the case when the bed is operated in a regular round-trip manner，It can significantly reduce the power loss of the machine。And the heat generated by friction is small，Suitable for high-speed operation。
2017-07-21 Reading quantity 272
introduction：We have also talked about a lot of articles about frequency drives before，Today, its about frequency converters，Its just different regions.，Todays talk is about inverter related questions and answers！ Relevant people should know the frequency converterIt is a power control device that converts the power frequency power supply to another frequency by the on-off action of the power semiconductor device，It can realize the soft start of AC induction motor、Variable frequency speed regulation、Improve running accuracy、Change power factor、overcurrent/overvoltage/Overload protection and other functions。 1、In that wayPWMandPAMDifference of： PWMIt is EnglishPulse Width Modulation(Pulse width modulation)abbreviation，The pulse width of the pulse train is changed according to certain rules，A mode of modulation to adjust the output and waveform。PAMIt is EnglishPulse Amplitude Modulation (Pulse amplitude modulation) abbreviation，It is to change the pulse amplitude of the pulse train according to a certain law，A mode
2017-07-20 Reading quantity 214
introduction：ctFrequency converter advantage： 1、mightySMApplication module option， The implementation of various engineering schemes to meet all user schemes. Conform toIEC61131-3Industry standard。 2、Extremely fast speed and current updates， Ensures optimal dynamic response。 3、Multi-axis motion interlocking control application， driverSynchronization control with the drive。 4、passCTNETNetwork to achieve decentralized control。 5、The dynamic update rate can reach250us 6、Truly systematic driver， Make customer solutions scalable。 ctMore efficient frequency converter： 1、built-inEMCfilter， Conform toEN61800-3Electromagnetic compatibility standard。 2、StandardSDFeatures Reduce system costs，Conform toEN954-1Lv.3Standard。 3、StandardModbus RTUport 4、Built-in smart card，Parameter backup can be automatically completed， Make debugging safer and faster。 5、Only one training，You can master and master all driver types。 6、3An interpolation typeSMApplication module， Make the drive truly upgradeablePLCFeature。 7、For a variety of applications
2017-07-20 Reading quantity 220
introduction：First of all, we must know that inverter maintenance is a theoretical knowledge、Work with a combination of practical experience and operational level，Its technical level determines the maintenance quality of the inverter。Engaged in frequency converter maintenanceThe personnel need to learn often，Understand the functions and characteristics of the electronic components inside the inverter，Broaden the scope of knowledge，Apply the newly acquired knowledge to practical work，Constantly improve the level of maintenance technology。 Some inverter maintenance basic knowledge is we need to understand，Such as the following： Technological development： Dc electric drive and AC motor drive were born19century，Already have100Years of history，And has become the main driving device of power machinery。Due to technical problems at the time，In a long time，The need for speed control in the drag system is basically the use of DC motor。
2017-07-20 Reading quantity 173
introduction：V1000The inverter can be adapted to various types of motors，In addition to induction motor（IM），It can also drive synchronous motors that have previously used dedicated frequency converters（IPM SPM）。therefore，The frequency converter has strong versatility，Realize the universality of inverter spare parts！ Highest performance in its class： The standard is equipped with the first current vector control in its class、Achieve high starting torque200% / 0.5HZ（Torque can be limited）、To maximize the power of the motor，It is also equipped with self-learning function。 Improved braking ability during deceleration： Use overexcitation braking，Reduced deceleration time Complete instantaneous power outage countermeasures： Speed search method and can be selected according to the purposeKEBMode instantaneous outage compensation function。Synchronous motor、Induction motors are applicable。 1．Speed search mode：Free-running motor even without speed sensor，It can also be started easily（Give an example：fan、A fluid machine, such as
2017-07-20 Reading quantity 208
introduction：What is micro speed reducer？Micro speed reducer is relatively small volume and power，For some small space can speed reducer。Speed reducer is a kind of speed regulation can be achieved、Slow acceleration、Slow deceleration、Electronic braking and other functions of the machine。
2017-07-20 Reading quantity 57
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