年表作成・共有サービス - pastport

https://www.soloonactuators.com/maintenance-of-electric-actuator.html

Electric actuators are mainly composed of motors, bearings, gear transmission systems and electronic parts. Relevant data shows that electric actuator faults are mainly concentrated in motors and bearings. In motor faults, winding faults account for 20%, bearing faults account for 45%, slip rings, brushes, and rectifiers account for 5%, and others account for 30%. In bearing faults: lubricant deterioration and disappearance account for 45%, pollution account for 30%, erosion account for 5%, misadjustment account for 5%, corrosion account for 5%, and others accounted for 10%. Therefore, good maintenance can supplement the lack reliability of the electric actuator and improve its effectiveness.
Strengthen the cleanliness management of lubricating oil. The biggest feature of the electric damper actuator is the need to use lubricating oil, whose viscosity changes with oil temperature. If the viscosity is too low, the wearing of transmission parts such as worms and gears will increase, and the transmission speed will decrease; if the viscosity is too high, it will have poor movement. The cleanliness of lubricating oil is more difficult to manage. The wearing and aging worms and gears and other transmission components producing impurities, the moisture infiltration, the peeling of internal coatings, rust, etc. will affect the cleanliness of lubricating oil.

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