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1. Inspection of motor faults in electric mixers, analysis and treatment The main faults of electric mixers during operation are: before decomposing the motor of electric mixer, the electric mixer will idle to find out the problem of electric mixer production. where. If the abnormal sound of the electric agitator is clear, and the abnormal sound of the motor shaft of the electric agitator is abnormal, the motor of the electric agitator will run for less than 2 minutes, and the temperature of the internal shaft of the electric agitator will be A few dozen degrees, it will be very hot. In the inner ring of the electric agitator, pitting corrosion occurs due to pitting corrosion, the surface is rough, the exterior of the electric agitator looks dull and dull, and the pitting holes on the electric agitator bearing can be clearly seen; The inner ring of the agitator will cause pitting corrosion of the pear skin due to pitting, and the surface of the electric agitator is rough, and the inner ring of the skeleton oil seal in the electric agitator is broken; the inner ring of the bearing and the electric agitator in the electric agitator There is a dark spot formed by the "running circle" at the middle sleeve and the corresponding journal.
2. Analysis and inspection of gear box in electric agitator The gear box of electric agitator equipment has high processing precision, good heat treatment, thorough cleaning of gear box, and careful inspection of gears, gear shafts and bearings. It is found that the surface of the gear teeth in the electric mixer is smooth, no pitting and crossover, the gear meshing backlash is normal, and the tooth profile has no obvious wear; the radial and axial clearance of each bearing in the electric mixer is normal, and the inside and outside of the electric mixer There are no pitting spots on the surface of the ring and the roller, and the overall quality is good; the axial clearance of each axis in the electric mixer is reasonable, the output shaft of the hand plate is freely movable, there is no jamming phenomenon, and there is no abnormal sound. Then, the failure of the gearbox in the electric agitator can be eliminated.
3. Inspection of mechanical seal assembly in electric agitator The mechanical seal part of the electric mixer is easy to malfunction. The electric agitator often causes the mechanical seal in the electric agitator to fail due to wear and the seal chamber to enter the water. Firstly, the mechanical seal assembly inside the electric agitator was decomposed, and two sets of mechanical seals including the electric agitator, the skeleton oil seal, the output shaft, the bearing, the shell and the end cap were cleaned and inspected, and the electric motor was inspected. The relevant dimensions of the bearing housing and the output shaft in the agitator, if no problems are found, indicate that the internal mechanical seal part of the electric agitator is intact, and the possibility of failure of the electric agitator is eliminated.
Due to the pitting of the inside of the bearing of the electric agitator, the formation of the pear-like point area will have a relatively large influence on the electric agitator during operation. Therefore, when the bearing roller of the electric agitator passes, the electric agitator will be obvious. The stuck phenomenon and the sound is heard. This is probably the root cause of the abnormal sound of the electric mixer. At this time, the problem of the touch screen can be touched by the bearings of the stirrer in the electric mixer, thereby fundamentally repairing and maintaining the electric mixer.
Teach you to diagnose common faults in electric mixer equipment
Electric agitators often encounter some faults caused by electric agitators during the use of electric agitators. Zui is typically an abnormal sound problem of electric agitators. In the event of such a failure, the internal system equipment of the electric agitator will make a loud sound, which can be heard at a distance of more than ten meters. Check that the current in the electric agitator is within the normal range, and it is difficult to find the problem by simple inspection. The electric agitator device can be divided into three parts: a mechanical seal assembly, a gear box and a motor, and the electric agitator can be separately decomposed and analyzed.