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Four precautions to prevent the damage of INA bearing
- Mar 01, 2018 -

1, the Assembly of foreign bodies to prevent: bearing in the rotor to do dynamic balancing when the dynamic balance is easy to produce iron filings into the internal bearing, it is best to load the bearings before the dynamic balance. Some manufacturers in order to assemble conveniently, when assembling in the bearing indoor some oil or grease lubrication effect, but often the operator is difficult to control the quantity, if oil or grease in the bearing room accumulate more, in the water pump shaft bearing rotation easily along the axis into INA bearing inside. Bearing room is best not to apply oil or grease, if not coated must not be controlled in the bearing room has accumulated stay.

2, Paint rust prevention: the characteristics of the paint rust is more in the sealed-type motor, the motor in the assembly sound very good, but put some time in the warehouse, the motor abnormal sound changed very large, remove the pump shaft bearing has serious rust phenomenon. Before many manufacturers will think is the problem of bearing, after our continuous publicity, now the motor factory has become aware of the main insulation paint problem. The problem is mainly due to the volatile acidic materials in the insulating paint in a certain temperature, humidity, the formation of corrosive substances, the bearing channel corrosion caused by the damage of INA bearing. At present, the problem can only be a good selection of insulating paint, and after drying after ventilation for some time after assembly.


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