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Reasons for the excessive spark of DC motor brush
29-03-2019
What causes the DC motor spark to be too large? Xiaobian summed up a few points: 1. The DC motor is not on the neutral line. 2. Improper voltage or poor contact with the commutator or electrical wear or incorrect electri...
Analysis of Problems in the Production Process of Cast Aluminum Rotor
25-03-2019
1. The main reasons for the breakage of cast aluminium rotor in the process of casting aluminium are as follows: Cast aluminium rotor stamping sheet after lamination did not carry out the light inspection of groov...
Permanent magnet motor advantages and disadvantages analysis selection guide
23-03-2019
In permanent magnet machines, if the torque ripple is not considered, the stator may use concentrated (short pitch) windings, but it is common to distribute the windings in larger permanent magnet motors. Since permanent...
Measurement of Vibration Value of Fan and Motor
22-03-2019
Usually we think that fans and motors are very common equipment. But we neglect that they provide important airflow for industrial processes, cooling, heating, humidifying and dehumidifying functions for office buildings...
Detailed Explanation of Broken Bar Problem of Squirrel Cage Rotor
21-03-2019
Core tips: squirrel cage rotor broken bar fault and its causes will make motor starting difficult, strong periodic electromagnetic noise and vibration when the motor is running, three-phase ammeter pointer jitter, motor ...
Review of the Roots and Development of Industry 4.0
21-03-2019
Nowadays, the concept of "industrial 4.0" era has attracted much attention. With the continuous expansion of knowledge economy and the continuous progress of science and technology, industrial revolution has become a nor...