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How to choose negative pressure fan and its accessories? What are the precautions for installation?(Part 1)
04-03-2019
Many people will choose negative pressure fans according to the situation, but how to choose negative pressure fans and accessories? What are the points for attention in installation? Let's take a look today, so that you...
Motor maintenance method
01-03-2019
Professional motor maintenance and repair center motor maintenance process: cleaning the rotor - replace the carbon brush or other parts - vacuum class F pressure dipping paint - drying - school balance. 1. The use envir...
Basic Knowledge of Stator Winding
01-03-2019
Stator winding refers to the winding installed on the stator, that is, copper wire wound around the stator. Winding is a general term for a single phase or entire electromagnetic circuit composed of multiple coils or coi...
General introduction of motor maintenance knowledge(Part 4)
28-02-2019
Wrong connection of winding Wrong windings cause incomplete rotating magnetic field, resulting in starting difficulties, three-phase current imbalance, noise and other symptoms, serious if not handled in time will burn t...
General introduction of motor maintenance knowledge(Part 3)
28-02-2019
Winding open circuit Poor welding or the use of corrosive flux may result in pot welding or loosening if it is not cleaned up after welding; coil short circuit, short circuit and grounding fault can also cause wire burni...
General introduction of motor maintenance knowledge(Part 2)
27-02-2019
Processing method： (1) The grounding caused by damp windings should be dried first. When the windings are cooled to about 60-70 C, insulating paint should be poured before drying. (2) When the insulation at the end of wi...