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introduction：Working principle of Jermekang stepper motor Stepper motor is an electromechanical component that converts electrical pulse signal into angular displacement or linear displacement。The input to the stepper motor is a pulse train，The output is the corresponding incremental displacement or step motion。Under normal exercise conditions，It has a fixed number of steps per revolution；When doing continuous stepping exercises，The rotation speed is strictly corresponding to the frequency of the input pulse，Unaffected by voltage fluctuations and load changes。Because the stepper motor directly accepts the digital quantity control，Therefore, it is especially suitable for microcomputer control。
2018-01-16 Reading quantity 298
introduction：Xiangtuo double-sided tooth synchronous belt Xiangtuo double-sided tooth synchronous belt，Light in construction、No slip meshing drive、Low noise and other features are extensive machinery、spin、Precision instrument、Petrochemical industry、Communication cable and other industry knowledge、Recognized and widely used。It not only integrates the gear drive、Advantages of chain drive and belt drive，Overcome other belt slippage、Elongation defect，It constitutes a unique transmission mode，And at a constant speed ratio、The speed range is large、Compact structure、Farm multi-axis drive、oil-proof、Moisture resistance、No need for lubrication and many other advantages and deeply rooted in the heart。The development of double-sided synchronous belt is successful，A strip drive is required in the opposite direction，Or the installation position needs to be particularly compact，Or in the main drive and auxiliary drive linkage and other areas with high transmission requirements，All reflect its excellence；Superior bending performance，Hig
2018-01-16 Reading quantity 392
introduction：The application industry of electronic connectors Electronic connector（Also commonly referred to as circuit connectors，Electric connector），Bridge two conductors on a circuit,A conductor device that allows a current or signal to flow from one conductor to another。An electronic connector is a motor system，It provides a separable interface for connecting two sub-electronic systems，The following Xiaobian will take you to understand the electronic connector application industry：
2018-01-16 Reading quantity 187
introduction：Spherical bearing with seat is a bearing unit which combines rolling bearing with bearing seat。Most spherical bearings are spherical in outer diameter，Fitted together with an inlet bearing seat with a spherical inner hole，Various structural forms，Good versatility and interchangeability。At the same time, this kind of bearing also has a certain centering ability in design，Easy to install，Sealing device with double structure，Can work in harsh environments。Bearing seat is generally cast molding。The common seat is a vertical seat（P）、Square seat（F）、Convex square seat（FS）、Convex round seat（FC）、Diamond seat（FL）、Ring seat（C）、Slide block seat（T）Etc.。
2018-01-16 Reading quantity 228
introduction：ntnHow about bearings? NTNIt is one of the worlds comprehensive precision machinery manufacturers，The company1918It was founded in Japan，It is headquartered in the western district of Osaka City，Its in Japan11Home production office，25Home business offices and3Family research institute；Owned abroad20Family owned production plant、2Home research and development48Home office。NTNThe production of、sell、Technical departments make unremitting efforts to develop and deepen their professional fields，At the same time, they are organically combined with each other。Its current chairman is Yasunobu Suzuki。
2018-01-15 Reading quantity 275
introduction：Dragon special steel grade The world is close2000Its a special steel grade、about50000Individual variety specification。In addition to the variety of special steel，In terms of specifications, it also shows different characteristics from ordinary steel。Excluding plate、tube、silk、with、Bar and profile outside，And composite、Surface alloyed material、Surface treated material、Precision forging、Precision casting、Powder metallurgy products, etc。The grade of steel is referred to as steel，Is the name given to each specific steel product，It is a common language for people to understand steel。The following Xiaobian will take you to understand the use of different materials of dragon killing special steel：
2018-01-15 Reading quantity 198
introduction：Schneider ElectricLimited company(Schneider Electric SA )Is the world500One of the strong enterprises， 1836It was founded by the Schneider Brothers。It is headquartered in Ruet, France。 Schneider Electric is a global leader in energy efficiency management，for100Energy and infrastructure in multiple countries、industry、Data centers and networks、Total solutions for the building and residential markets，It also has strong market capabilities in the field of residential applications。2012Fiscal year，Schneiders total revenue worldwide reached240Billions of euros，in100Several countries have more than140，000staff。
2018-01-15 Reading quantity 352
introduction：Synchronous motor，And induction machine（Asynchronous motor）The same is a commonly used AC motor。Synchronous motor is the heart of power system，It is a set of rotation and rest、Electromagnetic changes are integrated with mechanical motion，A component that converts electrical and mechanical energy，Its dynamic performance is very complex，Moreover, its dynamic performance has great influence on the dynamic performance of the whole power system。The characteristic is：Steady running time，There is a constant relationship between the speed of the rotor and the frequency of the gridn=ns=60f/p，amongfGrid frequency，pIs the number of poles of the motor，nsCalled synchronous speed。If the frequency of the grid is constant，The speed of the synchronous motor in steady state is constant and has nothing to do with the size of the load。Synchronous motor is divided into synchronous generator and synchronous motor。The alternators in modern power plants are mainly synchronous generators。 Mode of operation： There are three main
2018-01-15 Reading quantity 169
introduction：PLCAttention should be paid to the design of the control system
2018-01-15 Reading quantity 95
introduction：Intermediate relay（intermediaterelay）：Used in relay protection and automatic control system，To increase the number and capacity of contacts。It is used to transmit intermediate signals in the control circuit。The structure and principle of the intermediate relay are basically the same as that of the AC contactor，The main difference with the contactor is：The main contact of the contactor can pass a large current，The contact of the intermediate relay can only pass a small current。therefore，It can only be used in control circuits。It usually has no main contact，Because the overload capacity is relatively small。So it uses all auxiliary contacts，Relatively large quantity。The new national standard defines the intermediate relay asK，The old national standard isKA。Generally, it is powered by DC power supply。A few use AC power。
2018-01-15 Reading quantity 194
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