Poor contact between the armature and the iron core or the armature skew: After the armature and the iron core have been touched many times, the contact surface is worn or deformed, or the contact surface is dirty or dusty, which may cause poor contact of the contact surface, resulting in suction. When the vibration and noise are generated at the same time, the iron core is accelerated and damaged. At the same time, the coil is overheated. In severe cases, the coil may even be burnt. If the vibration is caused by oil stain on the end face of the iron core, it should be removed and cleaned. If it is caused by deformation or wear of the end face, it can be laid flat on the flat iron plate with fine gauze. Push the iron core back and forth to flatten the end face. For the E-shaped iron core, it should be noted that the residual magnetic clearance of 0.1 to 0.2 mm should be left between the contact faces of the iron core.
Has more than 20 years of production of various types of low voltage electrical AC contactor core
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