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Planetary reducer is a wide range of industrial products, with light weight, small volume, large transmission ratio range, high efficiency, smooth operation, low noise adaptability and other characteristics. Can be used as supporting parts for lifting, mining, transportation, construction and other industries. Planetary reducer in the premise of ensuring precision transmission, can reduce the speed, increase the torque and reduce the load and drive motor rotation inertia ratio. However, in practice, failures often occur due to improper installation. Among them, broken shaft of planetary reducer and drive motor is one of the main failure types. So planetary reducer and drive motor broken shaft how to solve it?
Some users mistakenly think that as long as the rated output torque of the selected reducer, it can meet the requirements of the work. But it's not.
First, the rated output torque of the drive motor is multiplied by the speed ratio, and the numerical value obtained is in principle less than the corresponding rated output torque provided by the sample of planetary reducer products;
The second is: at the same time, the overload capacity of the driving motor and the maximum working torque required in practical application should also be considered.
Theoretically, the maximum working torque required by users must be less than 2 times of the rated output torque of planetary reducer. In particular, some applications must strictly abide by this criterion, which is not only the protection of the internal gear and shafting of the reducer, but also the main thing is to avoid the output shaft of the reducer being twisted off.
In the process of acceleration and deceleration, the planetary reducer output shaft under the instantaneous impact torque if more than 2 times of its rated output torque, and this acceleration and deceleration is too frequent, then eventually will make the reducer shaft broken. If this situation occurs, careful calculation should be considered to increase the torque margin.
