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Daily operation and maintenance of servo drives and servo motors

Date:Jun 09, 2017

1. Characteristics of servo system
The servo system includes a servo driver and a servo motor. The driver uses precise feedback combined with a high-speed digital signal processor DSP to control IGBT to generate precise current output, which is used to drive the three-phase permanent magnet synchronous AC servo motor to achieve precise speed regulation and positioning functions. Compared with ordinary motors, AC servo drives have many protective functions inside, and the motor has no brushes or commutators, so they work reliably and require relatively less maintenance and upkeep.  


2. Maintenance of the usage environment
In order to extend the working life of the servo system, the following issues should be noted during use. For the usage environment of the system, five factors should be considered: temperature, humidity, dust, vibration, and input voltage. Regularly clean the cooling and ventilation system of the CNC device. Regularly check whether the cooling fans on the CNC device are working properly. Depending on the workshop environment, inspections and cleaning should be conducted every six months or once a quarter.


3. Maintenance and upkeep during idle time
When CNC machine tools are idle for a long time, regular maintenance and upkeep of the CNC system should also be carried out. Firstly, the CNC system should be powered on frequently and allowed to run without load while the machine tool is locked in place. In the rainy season with high air humidity, electricity should be connected every day to use the heat generated by electrical components to drive away the moisture inside the CNC cabinet, ensuring the stable and reliable performance of electronic components. Practice has proven that frequently stopping unused machine tools can easily lead to various malfunctions when they are turned on after the rainy season.


4. Standardized use
Due to the working conditions of the end users of the motion control system and the limitations of the front-line engineering and technical support capabilities of the enterprise, the mechanical and electrical system often cannot be well managed, which can shorten the life cycle of the integrated mechanical and electrical equipment or reduce production capacity due to equipment failures, resulting in economic losses.
 

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