What is the situation of the motor still burning when using the hydraulic coupling?Manufacturer to analyze

2021-11-19  From: Henan XINLAN Co., Ltd. Views: 98

have purchased usHydraulic CouplerThe customers reported that there is a situation that the motor is still burned when using the coupler. The following editor will analyze the specific reasons for you.

One reason may be the use of unqualified raw materials to replace the soluble aluminum alloy or the soluble plug, and the incorrect installation of the parts, resulting in long-term load on the motor, the coupling is not sprayed, and the motor is burned out.

In addition, when the power supply system route is too long, the current of the power grid is too large, resulting in a great change in the characteristic curve of the motor. The motor operates at a low voltage for a long time, and its rated voltage is expanded, which causes the motor to overheat. The calculation shows that, When the working voltage is reduced by 10%, that is, from 660v to 594v, the rated value of the motor is increased by 11% due to the increase of the rated current of the motor, and the torque coefficient of the hydraulic coupling pump is increased by only 1%, so the hydraulic coupling generates less heat and loses The protection of the motor is another reason why the hydraulic coupling also burns out the motor.

In addition, it should be noted that the motor runs in single-phase for a long time, and the protection device cannot be found immediately if it is not in one-way operation, and the motor is also easy to burn.

It is also because of unscientific pairing, that is, too much or too little cutting fluid, the motor hydraulic coupling is deviated from the rated value and operates for a long time, which causes the motor and hydraulic coupling to become hot. It was found that under these conditions, the motor would also ablate without the fusible aluminum alloy.

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Henan XINLAN Co., Ltd. specializes in centrifugal friction couplers, torque-limiting hydraulic couplers, speed-regulating hydraulic couplers, coupler accessories, etc. Interested customers, please consult us.

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