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Technical articles
Electric slide，Its a straight line slide，Industry is often called electric cylinder，Linear modules, etc，It is composed of linear sliding table and motor drive。
Yaskawa frequency converterAmazing performance、versatile、Easy to use and maintain、With user self-programming function，In any respect, it has a breakthrough improvement with the previous small frequency converter，It will raise the grade of all small machines。
SJSYSGuide rail assembly needs to pay attention to matters Guide rail to buy back we must first look at the installation instructions，These alone are not enough and there are many things we need to pay attention to especially during the installation process，Poor installation will also bring trouble to everyone in the future operation。
TBIBead rod is a transmission element commonly used in tool machines and precision machinery，Its main function is to convert rotational motion into linear motion，Or convert torque into axial repeated force，High precision at the same time、Reversibility and rate characteristics。Ball screw is also known as ball screw and ball screw lever。
Willobo linear manipulatorThe features of the series are： 1.Suitable for high precision requirements、High load ball screw models 2.Strong automatic adjustment ability，It is not affected by the stiffness and accuracy of the mounting surface，fluidness 3.Differential slip is small，The failure caused by abnormal wear and other reasons is very rare
The reason why the inverter motor is hot is： 1、High order harmonics cause the efficiency and power factor of motor to deteriorate，Motor loss increase。Because the ordinary motor is designed and manufactured according to sine wave power supply，When there are higher order harmonics flowing through the motor winding，Copper loss increase，And cause additional loss，Thus, the winding heats up。Inverter transmission compared with power frequency power transmission，Current increase10%，Temperature rise increases about20%。
Compare with DC speed control system，Dc motor is more efficient than AC motor、High power factor，The efficiency of the digital DC governor is comparable to that of the frequency conversion governor，Even the digital DC governor is slightly more efficient than the frequency conversion governor。therefore，It is claimed that the use of AC asynchronous motors and variable frequency governors saves electricity than the use of DC motors and DC governors，Theoretical and practical proof，This is not true。
Follow the small series together to learn about the gap analysis of the circuit breaker！ Determine the electrical clearance of electrical products，It must be based on the insulation of the low-voltage system，The insulation fit is built upon the transient overvoltage being limited to the specified impulse withstand voltage，The instantaneous overvoltage generated by the appliances or equipment in the system must also be lower than the impulse voltage specified by the power supply system。therefore： 1.The rated insulation voltage of the appliance should be≥Rated voltage of the power supply system 2.The rated impulse withstand voltage of the appliance should be≥Rated impulse withstand voltage of the power supply system 3.Transient overvoltage caused by electrical appliances≤Rated impulse withstand voltage of the power supply system。
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，Because the rotor and stator of the three-phase asynchronous motor rotate the magnetic field in the same direction、Different speed into rotation，There is a slip，So its called three-phase asynchronous motor。
Grease is indispensable in the work of double row angular contact ball bearings，Any bearing maintenance is inseparable from grease，Someone asked，The more grease, the better?The answer, of course, is no，The following is to talk about the matters that should be paid attention to in the use of grease in double row angular contact ball bearings。
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