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Permanent magnet synchronous motor is a synchronous motor that generates a synchronous rotating magnetic field by excitation of a permanent magnet，The permanent magnet acts as a rotor to generate a rotating magnetic field，Three-phase stator winding reacts through armature under the action of rotating magnetic field，Induced three-phase symmetrical current。 At this time the kinetic energy of the rotor is converted into electrical energy，Permanent magnet synchronous motor as generator(generator)with；In addition，When the stator side passes a three-phase symmetrical current，Because the three phase stator is different in space position120，So the three-phase stator current creates a rotating magnetic field in space，The rotor is moved by the electromagnetic force in the rotating magnetic field，This converts electrical energy into kinetic energy，Permanent magnet synchronous motor as motor(motor)with。
How to connect optical fiber connectors Optical fiber connector，It is removable between optical fibers（Events）Connected device，It precisely joins the two ends of the optical fiber，So that the output light energy of the transmitting fiber can be coupled to the receiving fiber to the maximum extent，The influence on the system caused by its involvement in the optical link is minimized，This is the basic requirement of optical fiber connectors。The following is a small edition of Feng Ye to take you to understand how to connect the optical fiber connector：
Optical fiber connector Optical fiber connector Optical fiber connector，It is removable between optical fibers（Events）Connected device，It precisely joins the two ends of the optical fiber，So that the output light energy of the transmitting fiber can be coupled to the receiving fiber to the maximum extent，The influence on the system caused by its involvement in the optical link is minimized，This is the basic requirement of optical fiber connectors。An optical fiber interface is a physical interface used to connect optical cables。The principle is the use of light from the optically dense medium into the optically phobic medium, resulting in total reflection。
Cylinder plant Air cylinder，A cylindrical metal part that guides the piston to move in a straight line in a cylinder。Air in the engine cylinder expands to convert thermal energy into mechanical energy；The gas in the compressor cylinder is compressed by the piston and the pressure is increased。With the development of automation industry，Cylinder manufacturers have also risen。Below, Feng Yes Xiaobian will take you to understand the classification of cylinder manufacturers：
Oscillating cylinder The oscillating cylinder is a pneumatic actuator which uses compressed air to drive the output shaft for reciprocating rotation in a certain Angle range。It is used for the opening and closing of valves and the arm action of robots。 Swing cylinder selection： 1、The type is selected according to the job requirements and conditions，Select the right type of cylinder。It is required that the cylinder reach the end of the stroke without impact phenomenon and impact noise should choose the buffer cylinder；Light weight required，Lightweight cylinder should be selected；
smcGas solenoid valve Gas solenoid valve is also known as gas emergency cut-off valve，Is suitable for city gas、Liquefied petroleum gas，Natural gas and other kinds of gas for heating combustion medium pipeline to do two-position on-off switching，An actuator for automatic temperature control。It is widely used in the textile industry、Gas heat setting and glass for printing industry、Furnace heating for light bulb industry and gas heating automatic control system for other industries。 smcInstallation method of gas solenoid valve：
smcHydraulic solenoid valve working principle diagram SMCWorking principle of solenoid valve：The switching state of the solenoid valve is changed by switching the electrode contacts of the pulse by the controller，When the controller emits an electrical pulse，The drive spool overcomes the permanent magnetic force resulting in up and down movement，After the valve disc is in place, it is in a self-holding state under the action of permanent magnet，And with high-end shielding technology，Protection against external interference。The solenoid valve consists of two parts: the valve body and the solenoid coil，It has its own bridge rectifier circuit，And with overvoltage、Direct acting structure for overcurrent safety protection。
Shaft bearings are generally made of outer rings、Inner ring、Rolling element、Cage composition。The thrust ball bearing and the thrust roller bearing are both centripetal bearings。They all have their own characteristics，Today I will tell you about the characteristics of thrust ball bearings and thrust roller bearings！ Harshaft bearing： one、Thrust ball bearingpeculiarity： Low bearing capacity；This bearing only withstands axial forces。Generally suitable for high-speed operation of mechanical equipment。 two、Thrust roller bearing characteristics： Large bearing capacity；It can withstand axial forces，It can also withstand radial forces；This bearing has low friction，The speed of operation is higher，And has the function of regulating heart；It is generally suitable for use in low-speed operation of mechanical equipment。
Stainless steel outer spherical bearings in the process of use，It shows strong corrosion resistance and high temperature resistance，This is why it is more durable than other bearings，Not easily damaged。But there are caveats，Stainless steel spherical bearings must be operated correctly，Otherwise, it will lead to indentation on the bearing surface。 If in the process of use if improper operation，Then it will make the stainless steel outer spherical bearing on the raceway surface or on the rotating surface，It is also possible to form concave surfaces on the spacing of the rolling elements，Thats what we call an indentation，Thus seriously affect the effect of its use，Shorten its service life。
bearing（Bearing）It is an important part of contemporary mechanical equipment。Its main function is to support the mechanical rotating body，Reduce the friction coefficient during its movement（friction coefficient），And ensure its rotation accuracy（accuracy）。According to the friction properties of the moving components，Bearings can be divided into rolling bearings and plain bearings two categories。Among them, rolling bearings have been standardized、serialization，But compared to plain bearings its radial size、High vibration and noise，The price is also higher。 ZWZBearings belong to rolling bearingsA kind of，Rolling bearings change the sliding friction between the running shaft and the shaft seat into rolling friction，A precise mechanical element that reduces friction losses。Rolling bearings generally consist of inner rings、Outer ring、The rolling body and the cage are composed of four parts，The function of the inner ring is to match and merge with the shaft to rotate together；The function of the outer ring is t
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