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introduction：Frequency range of conversion： Use a frequency converter with a common motor，The frequency is about10-60Hz； Variable frequency motor due to fine workmanship，The frequency range can be reached5-100Hz； Beyond this range，Its not that I cant turn，Its just a lot less efficient，The torque is much lower； Claim to reach0-100HZ But in the real world Generally recommended frequency range is good5-100HZ。
2018-08-15 Reading quantity 252
introduction：Chinas machinery manufacturing has entered a period of rapid development，Servo system plays an important role in improving the competitiveness of products。The following is how Siemens servo motor is tested。
2018-08-15 Reading quantity 257
introduction：There are many types of regulated power supplies,Series rectifier power transformer、The power supply is composed of stable voltage,Filter capacitor、Regulating element(Adjusting tube or three red regulators, etc)、Reference voltage sampling network,The protection of amplifier overload or short circuit is compared。Because linear type series voltage regulator、Adjust the tube circuit voltage。Its disadvantage is strength,inefficiency,And allow grid fluctuation range。General series regulated power supply allows grid fluctuation range±22)V(220。
2018-08-15 Reading quantity 502
introduction：As an international general bearing product，Cylindrical roller bearings play a very important role in the development of the vast industry，But as a precision bearing product，The majority of users need to pay attention to a lot of problems in the process of use，Among them, the use of cylindrical roller bearings is a very important problem，Lets take a closer look。 The first thing we have to do is the choice of cooperation，The inner and outer diameter dimensions of cylindrical roller bearings are manufactured according to standard tolerances，In general, choosing the right fit takes into account the actual load conditions of cylindrical roller bearings、Operating temperature and other requirements to carry out，But in fact, it is very difficult to choose a match based on your own experience in most cases。
2018-08-15 Reading quantity 400
introduction：NSKAligning roller bearing type classification With the development of mechanical automation industry，This has also led to the development of many self-aligning roller bearings。Bearings are commonly used in mechanical rolling devices in the mechanical automation industry。NSKAligning roller bearing is a kind of high precision bearing produced in Japan，towardsNSKHow much do you know about aligning roller bearings？The following Feng Ye Xiaobian will take you to understandNSKType category of aligning roller bearings。
2018-08-15 Reading quantity 477
introduction：The function of the isolation switch： 1、The isolation switch can be used according to the needs of different areas and use requirements，Perform line switching，Relatively simple operation，Safe and reliable。 2、The disconnecting switch can separate or combine the current in the line，Such as charging current，Capacitive currents can be separated and combined by isolating switches。 3、The isolation switch is after the opening，Can form an insulated space，It is convenient for circuit maintenance personnel to repair circuit faults，Ensure the safety of maintenance personnel。
2018-08-14 Reading quantity 251
introduction：Asynchronous motorThe main parameters of： 1、Motor torque： symmetry3Phase winding into symmetry3Phase current，Generate a rotating magnetic field，Magnetic field wire cut rotor winding，On the principle of electromagnetic induction，Generated in rotor windingeandi，The rotor winding is subjected to the electromagnetic force in a magnetic field，That is, electromagnetic torque is generated，Get the rotor spinning，The rotor outputs mechanical energy，Drive the mechanical load to rotate。
2018-08-14 Reading quantity 220
introduction：Three-phase asynchronous motor
2018-08-14 Reading quantity 193
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