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introduction：The relay is normally open and normally closed relay（English name：relay）It is an electrical control device，Is when the input quantity（Excitation quantity）When the changes meet the specified requirements，An appliance that causes a predetermined step change in a controlled quantity in an electrical output circuit。It has a control system（Also known as input loop）And the controlled system（Also known as output loop）The interaction between。Some engineers still dont know how to open and close relays，The following Feng Ye Xiaobian will take you to understand the normal opening and closing of the relay。
2018-08-08 Reading quantity 369
introduction：The specifications of each type of servo motor have rated torque、Large torque and motor inertia and other parameters，There is a correlation between each parameter and load torque and load inertia，The output torque of the selected motor should meet the requirements of the motion conditions of the load mechanism。
2018-08-07 Reading quantity 554
introduction：Three-phase asynchronous motor
2018-08-07 Reading quantity 548
introduction：The limit switch belongs to a commonly used small current master electrical appliance。The contact action of the moving parts of the production machinery is used to make the control circuit switch on or switch off，To achieve certain control purposes。usual，This type of switch is used to limit the position or stroke of mechanical motion，Make the moving machine automatically stop according to a certain position or stroke、Reverse motion、Variable speed movement or automatic round-trip movement, etc。
2018-08-07 Reading quantity 495
introduction：Programmable controller ladder diagram Programmable controller for shortPCorPLCIt is an electronic system for numerical operation，It is widely used in the industry。It uses a memory that can be programmed，Used to store logical operations and sequence control during execution、timing、Instructions for counting and arithmetic operations，And through digital or analog input(I)Sum output(O)port，Control various types of machinery or production processes。
2018-08-07 Reading quantity 413
introduction：Wire and cable is a relatively large product in the power industry，Since the invention of electricity，All kinds of power products have also enriched and changed our lives。Cables produced by wire and cable manufacturers，In electricity、Information transmission、Mechanical instrumentation and other industries are used，Its no longer just a product in the power range，It also breaks through the requirements of traditional cables。In the use of overhead cables or buried cables，Mainly according to the requirements of the operation，The product quality is not affected。One thing to pay special attention to is，In use, it depends on whether the surface of the wire and cable has a manufacturer、Cable voltage and model identification，Prevent counterfeit products；Also look at the wire surface and conductor wire diameter two aspects，The line with small conductor cross section is easy to heat and cause short circuit，The service life of the cable is affected。
2018-08-07 Reading quantity 532
introduction：In the production of daily life，Load cells are used in many places。There are also many types of load cells，But no matter what type of weighing sensor material is generally divided into the following types。Lets talk about what materials are commonly used in sensor seiko，These materials are specifically suitable for which industry applications。
2018-08-06 Reading quantity 463
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