Each kind of mechanical equipment of high quality support to achieve performance requires certain energy, therefore, has become a mechanical industry an important accessories products, when the case of damage, is bound to affect the functions of equipment to work normally, so we must first find out the reason, take preventive measures.
So, vacuum
packaging machine vacuum pump motor appear what is the cause of the damage?
1, in the condition of overload operation for a long time, when using the wrong vacuum pump for oil, and a lack of maintenance, oil in the vacuum pump will spoil.
Pump exhaust pressure is too high, lead to motor overload, such as no overload protection, for a long time, will damage the motor.
2, in the environment of high temperature and poor ventilation or elevation above 1000 meters under the condition of operation due to poor heat dissipation, lead to motor temperature rise too high, will damage the motor coil and consumption within the bearing grease, bearing damage caused.
3, the voltage is wrong some pump may be imported, the rated voltage of the motor and the mainland have different voltage, high voltage and low voltage will damage the motor.
4, connection errors should pick up star, the triangular, causes the coil voltage increased 1.
Seven times, the winding of the motor will be serious fever motor burn out quickly, so the motor must not be allowed under the same voltage change the original star connection to triangular.
When should pick up into triangular, pick a star, the motor coil voltage is reduced to 1/1.
7, the torque of the motor was reduced to 1/3 of the rating, in full load operation, the speed will drop sharply, current increases, as does not stop, it will make motor overheating and burning.
Some lateral flow vacuum pump due to incorrect connection, take should pick up into triangular became a star, when commissioning, load is small, the pump can operate properly, but after a certain period of time running due to causes such as pump filter clogging pump load increase, will cause damage of the motor.
5, not using the correct electrical protection and the quality of the electrical control components.
Due to some users in the use of vacuum pump, a simple connection directly to vacuum pump operation, without installing proper overload protection, open phase protection device, lead to motor burn out due to the unexpected happens.
Some customers need to frequently shut down under the condition of vacuum pump, several times even 1 minute opening and closing, once the contactor contact undesirable, can produce phase damage.
Recommended pump normally open valve to control the valve on and off of the road.
that is vacuum
packaging machine, the reasons of damage occurring in vacuum pump motor believe that will be helpful to you.
Want to avoid this kind of failure, we can follow-up from the quality of the motor and pump oil quality, equipment cooling, and the size of the voltage, such as wiring method for properly control, completes the correct operation, can guarantee the normal work.
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