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introduction：Speed regulating motor is used to change the motorSeries of、voltage、Electric current、Frequency and other methods to change the speed of the motor，A motor designed to achieve high performance。 Due to its excellent performance，Speed regulating motors have been widely used in steel、Power station、cable、Chemical engineering、petroleum、water mud、spin、Printing and dyeing、papermaking、Machinery and other industrial departments for constant torque or decreasing torque load machinery stepless speed regulation with，Especially suitable for pump and fan load support with large flow changes，Good energy saving effect can be obtained。
2017-11-08 Reading quantity 288
introduction：Permanent magnet synchronous motor can install the motor as a whole on the axle，Form an integral direct drive system，That is, a wheel shaft is a driving unit，A gearbox is eliminated。Permanent magnet synchronous motorThere are mainly the following characteristics： (1)PMSMHigh power efficiency and high power factor; (2)PMSMLow fever，Therefore, the structure of the motor cooling system is simple、Small size、Low noise; (3)The system adopts completely closed structure，No transmission gear wear、No transmission gear noise，Free lubricating oil、maintenance-free; (4)PMSMThe allowed overload current is large，Significantly improved reliability; (5)The whole transmission system is light weight，The unsprung weight is also lighter than the traditional wheel and shaft drive，High power per unit weight; (6)Since there is no gearbox，The bogie system can be designed at will：Such as a flexible bogie、Single axle bogie，The power performance of the train is greatly improved。
2017-11-08 Reading quantity 240
introduction：Drum brakes are often used on mechanical moving parts，It is an indispensable part of the operation of mechanical equipment。Drum brake is a kind of brake，How does it achieve braking during operation，Lets take a look at it。
2017-11-07 Reading quantity 203
introduction：As the preferred product for discrete control，PLCIt developed rapidly in the 1980s and 1990s，WorldwidePLCThe annual growth rate of the controller remains20%～30%。With the continuous improvement of factory automation andPLCThe capacity base of the controller market continues to expand，In recent yearsPLCGrowth is slowing in industrialized countries。however，In developing countries like ChinaPLCThe growth is very rapid。Synthesize relevant data，2004worldwidePLCThe sales revenue is100About $100 million，It occupies a very important position in the field of automation。
2017-11-07 Reading quantity 332
introduction：For high speed variable frequency motor this thing，We need to understand it from its basic situation，Because the high-speed variable frequency motor itself is a more complex machinery，Especially for those of us who dont have professional knowledge。High-speed variable frequency motor can be said to be an improved version of variable frequency motor，Compared with ordinary variable frequency motor，The difference of high-speed variable frequency motor is the high-speed variable frequency design。The structure of high-speed variable frequency motor is also very complex，It is mainly composed of motor and Frequency changer And some important parts of the composition。Because the performance of high-speed variable frequency motor is very good，So now it has been widely used in various fields。
2017-11-07 Reading quantity 318
introduction：Three-phase induction motor(Triple-phase asynchronous motor)Its by simultaneous access380VThree-phase AC power supply（Phase difference120The degree of）A type of electric motor supplied with electricity，Due to three-phase asynchronous motorsThe rotor rotates the magnetic field in the same direction as the stator、Different speed into rotation，There is a slip，So its called three-phase asynchronous motor。 When the motors three-phase stator winding After the three phase symmetrical alternating current，Will create a rotating magnetic field，The rotating magnetic field cuts the rotor windings，Thus an induced current is generated in the rotor winding（The rotor winding is a closed path），The rotor conductor carrying current will generate electromagnetic force under the action of stator rotating magnetic field，Thus forming electromagnetic torque on the motor shaft，Drive motor rotation，And the direction of the motor rotation is the same as that of the rotating magnetic field。
2017-11-07 Reading quantity 360
introduction：Ac motor soft start（soft starting of ACmotor）motorThe start-up process is divided into two stages，The first stage is slope starting，Then the constant current starting stage.The starting current is automatically reduced when the starting is about to end。Starting current rise rate and constant current value can be set arbitrarily，Constant current value melon size determines the length of starting time。therefore，The rising rate of starting current and the constant current value should generally be set according to the load and production requirements，To make the soft starter get the best starting process，And reduce the starting loss。 Current characteristics of slope constant current soft starting Slope constant current soft starting is generally suitable for no-load or light load starting，It is also suitable for load equipment whose starting torque increases with the increase of speed，Like ventilator、Water pump。
2017-11-07 Reading quantity 295
introduction：Brake motor-peculiarity： 1.Brake motorSimple structure、Easy to install，Plus small size、Light weight，It can be installed smoothly even in small Spaces； 2.Brake motors are composed of materials with high friction coefficient and long life，The number of brakes can be reached1,00,000time，Even in75℃It can still be used at full load under high temperature； 3.Brake motor useACPower source，Supplied by rectifier conversionDCBrake coil operation，The brake noise of the brake motor is reduced to low and no electromagnetic sound，Regardless of positive、Reversing can effectively complete the braking action。 4.Because the AC brake motor power is supplied by the motor tap，Therefore, according to different wiring methods，Different voltages are used，It is suitable for a variety of voltage performance； 5.Brake motors are sensitive、No idle torque，It can realize fast braking in a short time，And it has enough braking torque。Brake parts are adequate，Equipped with perfect after-sales service，Easy maintenance； 6.The brake coil input
2017-11-06 Reading quantity 333
introduction：Servo motorThe inner rotor is a permanent magnet，Driver controlledU/V/WThree-phase electricity forms an electromagnetic field，The rotor rotates under the action of this magnetic field，At the same time, the encoder with the motor feeds back the signal to the driver，The drive compares the feedback value to the target value，Adjust the rotation Angle of the rotor。 1、Permanent magnet AC servo motor has the following advantages： （1）The motor has no brush and commutator，Work reliably，Simple maintenance and maintenance； （2）The stator winding dissipates heat quickly； （3）Low inertia，Easy to improve the speed of the system； （4）Suitable for high speed and high torque working state； （5）At the same power，Small size and weight，Widely used in machine tools、Mechanical equipment、Handling mechanism、Printing equipment、Assembly robot、Processing machinery、High speed winding machine、Textile machinery and other occasions，To meet the development needs of the transmission field。
2017-11-06 Reading quantity 469
introduction：Micro DC motor features： 1.Micro DC motors are generally more efficient than other types of motors，So you get the same output power，The volume of DC motors is generally relatively small。For a limited installation location，Micro dc motorRelatively suitable。 2.The micro DC motor has a feature that the motor can be based on the load size，Automatic deceleration，To achieve extreme starting torque。This AC motor is more difficult。In addition, the DC motor is easier to absorb the sudden change of load size，The motor speed can automatically adapt to the load size。
2017-11-06 Reading quantity 387
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