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introduction：fagDeep groove ball bearing inclination Angle FAGDeep groove ball bearing brand belongs to the German Schaeffler Group(SCHEAFFLER)subordinate，The Group is a global leader in the production of rolling bearings and linear motion products，It is also one of the most reputable suppliers in the automotive industry。
2017-12-18 Reading quantity 337
introduction：At present, the structure of manual pressure pumps on the market is similar，It generally consists of a preloading system、Voltage regulating system、Stop valve、The pressure relief valve and pressure output parts are composed。Pass the pressure gauge under test（Pressure module）Standard pressure gauge（Pressure module）Contrast of indication，Thus, various pressure gauges and pressure modules within the pressure range can be detected。
2017-12-15 Reading quantity 536
introduction：Power-off time delay relay，Is when the time relay coil is energized，Instantaneous action of each delay contact，After the coil is powered off, the contact is in a delay setting working state，When the set delay arrives，The delay contact is restored to the initial state。Blackout delay type due to its working state（No external power supply is required during the delay process）And the control contact in the power delay process suction contact（If the normally open contact becomes connected, keep it connected;The normally closed contact becomes open，It should be in the hold disconnected state）Transformation particularity（The working state of the contact of the conventional electric delay time relay is exactly the opposite）To meet its control requirements。The power off delay type time relay is composed of an early separation device（Low delay accuracy、Short delay time）;The corresponding programmable timing integrated circuit orCMOSCounting and frequency division integration to complete the delay，Compare with，With hig
2017-12-14 Reading quantity 255
introduction：Industrial lubricants include a very wide range of lubricants and practical applications。Its main varieties such as：Steam turbine oil、Bearing oil、Hydraulic oil、Gear oil、Machine oil、grease、Metalworking fluid、Textile lubricating oil、Quenching oil、Heat transfer oil、Electrical oil、Refrigerating oil、Anti-rust oil, etc，In industry, it can be described as a large quantity、Widely used，It is a widely familiar variety。
2017-12-14 Reading quantity 343
introduction：Be sure to complete the selection button positioning before operation； After the lever is positioned，The operating lever must be restored exactly。
2017-12-14 Reading quantity 403
introduction：The cutting mode of the cutter is related to the fiber direction of the stalk。The direction of the fibers of the stalk is parallel to its axis，Therefore, the direction of cutting into the stalk is closely related to cutting resistance and power consumption。The so-called cutting method mainly refers to the direction of the cutter into the material，To sum up, there are two basic methods: tangent and slide cutting。
2017-12-14 Reading quantity 290
introduction：What makes an electric motor different from other electric loads is when it starts，The starting current is rated5-7times，The peak value of starting current is the peak value of rated current10-12times。Therefore, the protection of the circuit breaker used in the motor circuit should be able to avoid the starting current
2017-12-13 Reading quantity 308
introduction：When partial discharge occurs inside the switchgear，The electromagnetic waves generated by the discharge are mostly shielded by the metal housing of the switchgear，Small parts pass through the joints of the metal box，At the same time, a transient voltage to ground is generated。The degree of partial discharge inside the switch cabinet can be reflected by measuring the instantaneous potential change on the outer surface of the metal box with the test probe。
2017-12-13 Reading quantity 270
introduction：Automatic motor pattern recognition system：Automatic identification of commutation Angle of electric vehicle motor、Hall phase and motor output phase，Just the controllers power cord、The handle wire is connected to the brake wire correctly，It can automatically identify the input and output patterns of the motor，It can save the trouble of brushless electric vehicle motor wiring，Greatly reduce the use of electric vehicle controller requirements。
2017-12-13 Reading quantity 227
introduction：As long as the internal structure of the transformer is opened, you can see the complex and diverse circuit board and circuit design，intricate，Circuits and wires are criss-crossed，But the wiring of the transformer is not just to say that it can be connected，It is generally thought that the wiring of the transformer is to pay attention to the correctness and direction of the line，One wrong press will burn the voltmeter and the ammeter，In severe cases, it loses its effect。The coil of the transformer is also wound in a variety of ways，It usually starts from the positive terminal of the power supply，Go through the transformer to the negative terminal of the power supply，The direction of the voltage and current of the coil should also be noted，Is generally divided into4Rent for connection，The connection method can be different kinds of connection，The way is different, so to speak，But make sure its connected correctly。
2017-12-12 Reading quantity 297
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