For ordinary operators, it may be challenging to have in-depth technical knowledge. If a reducer's output shaft breaks, it can lead to serious operational issues. In most cases, except for the commonly used output configurations of the reducer, the concentricity of the output might not be ideal. This problem often arises due to several reasons.
First, improper selection of the reducer can cause the output to fail. Some users mistakenly believe that as long as the additional output torque of the selected reducer meets the requirements, everything will be fine. However, this is not entirely correct. The motor’s torque is multiplied by the reduction ratio, and the resulting value should generally be less than the rated extra output torque provided by the reducer’s specifications. Failing to consider this could result in overloading and potential damage.
Second, it's important to take into account the motor's overload capacity and the actual maximum working torque required. In theory, the maximum torque needed by the user must be less than twice the reducer's rated extra output torque. This ensures a safe operating margin and prevents unexpected failures.
Especially in certain applications, strictly following this principle is crucial—not just for maintaining the reducer, but also for avoiding the risk of the output shaft breaking. This is because if the equipment gets stuck, the motor may continue to increase its output torque, causing the reducer’s output shaft to experience forces beyond its limits. In such cases, the force on the output shaft can exceed twice the rated extra output torque, leading to breakage.
Additionally, during frequent acceleration and deceleration cycles, if the output shaft experiences forces equal to twice the extra output torque repeatedly, it can eventually lead to failure. Although this situation may seem rare, it's still worth noting and addressing to avoid long-term damage. Proper maintenance, correct selection, and understanding of operational limits are essential for ensuring the longevity and reliability of the reducer.
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