Desktop high-speed refrigerated centrifuge TGL-18M fault repair technology

Trouble phenomenon Turn on the power of the centrifuge, press the start button and the centrifuge will not start. Analyze the maintenance and turn on the power of the centrifuge. After pressing the start button, the rotor of the centrifuge cannot run, but the compressor of the centrifuge can work normally. Therefore, the analysis of the fault mainly focuses on the motor aspect of the rotor and the control of the motor. Because there is no relevant maintenance information and professional maintenance tools, there is no problem in controlling the motor. Therefore, first check the motor aspect of the rotor. After measuring with a multimeter, it can be seen that the circuit of the motor is normal, that is to say, there is no problem in the coil of the motor. After checking the carbon brush of the motor and removing the carbon brush from the base of the rotor, it was found that the carbon brush had the same phenomenon of common grinding. Therefore, it is basically possible to determine that there is no problem in the motor aspect of the rotor (hardware is normal), so the cause of the fault can basically be determined as a problem in the control of the motor, but in the absence of data and tools, the problem cannot be quickly found and solved, resulting in Our equipment is not working properly. Therefore, in order not to delay our normal work, we can only use the existing information and tools to take some emergency measures. In the previous analysis, we know that the compressor of this centrifuge is working properly, and the rotor motor is working properly. Therefore we consider that the power supply can be applied directly to the rotor's motor without going through the faulty motor control section. After modifying and implementing the above scheme with common tools. Power on the motor and the machine is running normally. Although the timing is adjusted at this time, the function of adjusting the speed cannot be used but it does not affect our normal operation. When summarizing the fault, carefully check the cause of the fault. Under the premise that the fault cannot be eliminated in time, the existing resources can be used to take some emergency solutions to ensure our normal work.

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Specification

1. Material: SUS304, SUS316

2. Inner head material: Brass or Stain Stainless Steel

3. Finish: PSS/SSS/Ti

4. Application: Wooden door, Glass door, Aluminum alloy door

5. Suitable for glass thickness: 8-12mm

 

Door Handle

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