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introduction：Servo definition--SiemensSiemensWorking principle of servo motor Servo definition servo：The word comes from the Greek word for slave。People want to use servomechanism as a tame tool，Act in compliance with the requirements of the control signal。Before the signal comes，The rotor is stationary；After the signal，Immediate rotor rotation；When the signal disappears，The rotor can stop itself instantly
2015-12-22 Reading quantity 1868
introduction：Grease lubrication 1.Lipid supplementation，When the reducer is in operation，Unscrew the vent cap of the needle tooth housing．Use a grease gun to press grease through the vent cap hole。 2.Reducer double stage42#Use grease or single stagel#～4#oiling。(Recommended useZL-2Lithium base grease or molybdenum disulfide-2isolein) 3.The injection pressure of grease is the internal dial of the reducer1/3-1/2．Dont add too much grease．In order to
2015-12-22 Reading quantity 1753
introduction：Elastic foundation reducer vibration reduction measures，Elastic base reducer is born with the advent of multi-rope friction elevator，The main feature of this reducer is the reduction in starting、Influence of dynamic load on lifting system during parking and safety braking，At the same time, part of the energy of the body vibration is absorbed by the spring，Reduce the dynamic load of the frame on the floor，Mainly used for tower elevator，But use
2015-12-22 Reading quantity 1741
introduction：Servo motor structure diagram Dc servo motor structure diagram 1、The output electromagnetic torque of DC motor is expressed as： 2、There are two ways to control the electromagnetic torque and speed of DC servo motors： *Change the armature voltageUaThat changes the armature currentIaApproach to； *Change the excitation currentIfIt changes the magnetic fluxфApproach to。 3、The method of adjusting armature voltage is commonly used advantage：Function of one variable
2015-12-22 Reading quantity 1788
introduction：General type AC servo and special type AC servo are two kinds of AC servo drive devices commonly used at present，The former can be used in all areas of motion control，The latter is generally related toCNCUse together，It is most widely used in CNC machine tools。Given that there are more people on the matching universal servoCNCSystem and matching dedicated servoCNCThe system is still fuzzy in cognition，therefore，In selection
2015-12-22 Reading quantity 1815
introduction：keyword： Electric machine servo flowmeter one．Cause of overload Intelligent power module inside servo amplifierIPM(Intelligent Power Module)Hidden overvoltage，Fault detection circuit such as overcurrent and overheating，So when the motor drives the load during acceleration or deceleration，The output torque of the motor is greater than the rated torque of the motor and lasts for a short time，amplifier
2015-12-22 Reading quantity 1780
introduction：Large inertia DC servo motor is also known as wide speed control DC servo motor，is20century60The end of the decade70At the beginning of the decade, it was developed on the basis of small inertia motor and torque motor。Now CNC machine tools widely use this kind of motor to form a closed-loop feed system。This kind of motor is divided into electric excitation and permanent magnet excitation（Permanent magnet）Two kinds of，The dominant motor is the permanent magnet motor。Permanent magnet
2015-12-22 Reading quantity 1788
introduction：1、Selection principle of servo motor in electromechanical field The modern mechanical and electrical industry often encounters some complex movements，This has a great effect on the dynamic load of the motor。Servo drive is the core of many electromechanical systems，therefore，The choice of servo motor becomes particularly important。 First of all, the motor that meets the given load requirements must be selected，And then press the price from there、weight、Volume scheduling
2015-12-22 Reading quantity 1738
introduction：The reducer refers to an independent closed transmission device between the prime mover and the working machine，Used to reduce the speed and increase the torque accordingly。In addition，On some occasions，There are also devices used as speed increases，And called speeder。 There are many kinds of retarders，This article only discusses by Gear drive、Worm drive and the reducer composed of them。If it is divided according to transmission and structural characteristics，This kind of reducer
2015-12-23 Reading quantity 1750
introduction：1)The cumulative transmission clearance of the reducer。Because the mold shaking table is connected with the eccentric shaft through the connecting rod，The weight of the mould and shaker is very human(Gross re-reduction16t),When the mold is near the upper and lower door points，The torque direction of the eccentric shaft is abrupt，The meshing teeth of the reducer change from one side of the teeth to the other。The transmission of the reducer accumulates clearance time，It will cause the mold to vibrate
2015-12-23 Reading quantity 1701
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