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introduction：Servo motor controllerIt is the key device of numerical control system and other related mechanical control field，Generally by location、The servo motor is controlled in three ways: speed and torque，Achieve high precision driveline positioning。 Servo control related technology has become an important reference for national equipment technology level。 （1）Installation in electrical control cabinet： Heating of electrical equipment inside the gas control cabinet and heat dissipation conditions inside the control cabinet，The temperature around the servo drive will continue to rise，So consider the cooling of the drive and the configuration in the control cabinet，Ensure that the temperature around the servo drive is 55?c below，Relative humidity 90%below。Long-term safe operating temperature at 45?c below。 （2）There is a heating device near the servo drive： The servo drive operates under high temperature conditions，Can significantly shorten its life span，A fault occurs。Therefore, the servo drive should be ensu
2018-05-31 Reading quantity 465
introduction：Frequency changerIt is a new series of high-performance vector inverter，Can be widely used in asynchronous motor and synchronous motor speed control。Product support32positionDSP，Adopt the international leading vector control calculation method，Achieve high performance、High precision motor drive control，Improve product reliability and environmental adaptability at the same time，Design that enhances customer ease of use and industry specialization，More optimized function、More flexible application、More stable performance set。 High reliability UL、CUL、CECertified multi-protection features High reliability design 1. The thermal simulation technology is introduced，Thermodynamic simulation was carried out on all models，Effectively plan the heat dissipation of the whole machine，Improve product reliability；
2018-05-30 Reading quantity 488
introduction：Current relay Current transformer The measuring element of current protection is the current relay。The current transformer is a current conversion element，It is also part of the measuring element。It is necessary in high voltage circuits，This is not necessary in low-voltage circuits。The following Feng Ye Xiaobian will take you to understand its installation。 Current relay Current transformer installation mode： Current relay divided into：Guideway current relay，Fixed current relay。
2018-05-30 Reading quantity 482
introduction：Due to the straight slideIts a mechanical structure that provides linear motion，Can be used horizontally or vertically，It can also be used in combination with specific motion mechanisms——This is commonly known in the automation industry asXYshaft、XYZAxis and other multi-axial motion mechanism。So be careful when using it，Avoid damage，So what are the precautions？ Precautions for use: 1. Do not touch the sliding seat during product operation and maintain a safe working range。 2. When the ball screw product is used vertically【Zshaft】In order to prevent items from falling, it is recommended that the motor be equipped with a brake device；Gear belt drives are not recommended for vertical use【Zshaft】。 3. Resonance may occur when the effective stroke is too large，The greater the travel, the greater the speed should be reduced。
2018-05-29 Reading quantity 464
introduction：First of all, lets understand what is an asynchronous motor，Induction motor is also called induction motor，The electromagnetic torque is generated by the interaction between the air gap rotating magnetic field and the induced current of the rotor winding，Thus realizing the conversion of electromechanical energy into mechanical energy of an AC motor。 Three-phase asynchronous motors are mainly used as electric motors，Drive a variety of production machinery，Such as：Air blower、pump、compressor、Machine tool、Light industry and mining machinery、Thresher and crusher in agricultural production、Processing machinery in agricultural and sideline products and so on。 Simple structure、Easy to manufacture、Low price、Reliable operation、Strong and durable、High operating efficiency and suitable working characteristics。 So how does it speed up？There are several ways to speed up？
2018-05-29 Reading quantity 573
introduction：Classification of rodless cylinders The rodless cylinder has pistons in it，Without a piston rod，The piston is mounted in the guide rail，External loads are attached to the piston，It is operated by intake air。The cylinder is hollow on both sides,A permanent magnet inside the piston rod drives another magnet outside the rod(Moving part),It has high cleanliness requirements,Magnetic coupling rodless cylinders are often removed and cleaned with gasoline,It has to do with the environment in which it works。Rodless cylinders are divided into two main categories，The following Feng Ye Xiaobian will take you to understand。
2018-05-29 Reading quantity 421
introduction：contactorDivided into AC contactor（voltageAC）And DC contactor（voltageDC），It is applied to electricity、Distribution and use of electricity。Contactor in a broad sense refers to the use of coil flow current to generate a magnetic field in industrial electricity，Make the contact close，To achieve control of the load of electrical appliances。 Working principle： Heres how the contactor works：When the contactor coil is energized，The coil current creates a magnetic field，The resulting magnetic field causes the static core to generate electromagnetic attraction to the moving core，And drive AC contactor point action，Normally closed contact is disconnected，Normally open contact is closed，The two are linked。When the coil is powered off，The electromagnetic attraction disappears，The armature is released under the action of a release spring，Restore the contact，Normally open contact disconnect，Normally closed contact is closed。The working principle of a DC contactor is somewhat similar to that of a temperature switch。
2018-05-28 Reading quantity 513
introduction：Variable frequency motorI think everyone knows that，It means under standard environmental conditions，In order to100%Rated load in10%~100%Continuous operation within the rated speed range，A motor whose temperature rise does not exceed the allowable value of the motors calibration。 Construction principle： Speed of asynchronous motor when the slip rate changes little，Speed is proportional to frequency，It can be seen that changing the frequency of the power supply can change the speed of the asynchronous motor。In frequency control，Always want the main flux to remain constant。If the main magnetic flux is greater than the normal operating magnetic flux，The magnetic circuit is supersaturated and the excitation current increases，Power factor reduction；If the main magnetic flux is less than the normal operating magnetic flux，The motor torque decreases。
2018-05-28 Reading quantity 549
introduction：Permanent magnet synchronous motorIt is a kind of servo motor。 Ac servo motors are also brushless motors，Divided into synchronous and asynchronous motors，At present, synchronous motors are generally used in motion control，It has a wide power range，Can do a lot of power。Large inertia，High rotation speed low，And it decreases rapidly with the increase of power。Therefore, it is suitable for low speed and smooth operation applications。 From first principles： The permanent magnet synchronous motor is the same as the traditional electric excitation synchronous motor，The only difference is that the traditional electrically excited synchronous motor generates a magnetic field by passing a current through the exciting winding，And permanent magnet synchronous motor is through the permanent magnet to establish a magnetic field，And this leads to the difference between the two analytical methods。
2018-05-25 Reading quantity 560
introduction：leserTemperature reducing pressure reducing valve The temperature reducing pressure reducing valve uses the opening degree of the opening and closing parts in the control valve body to adjust the flow rate of the medium，Reduce the pressure of the medium，At the same time, the opening degree of the opening and closing parts is adjusted by the action of the pressure after the valve，Keep the pressure behind the valve within a certain range，And spray cooling water into the valve body or behind the valve，Reduce the temperature of the medium，This kind of valve is called pressure reduction and temperature reduction valve。There are some differences between cold temperature reducing valves and ordinary valves，The following Xiaobian will take you to understand the characteristics of the temperature reducing valve。
2018-05-25 Reading quantity 477
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