What are the reasons for the loosening and leakage of the reducer

- Mar 25, 2021-

What are the reasons for the loosening and leakage of the reducer

1. Leakage occurs


Due to the loosening of parts, vibration and the heat of the reducer, there will be leakage at the sealing surface and pipe joints of the reducer; some defects such as casting are difficult to find during assembly and debugging, but due to the vibration, This kind of defect is exposed by the impact action, which manifests as oil leakage (seepage). Therefore, leakage occurs occasionally during the running-in period.


2. Loose


Newly processed and assembled parts and components have deviations in geometric shape and matching dimensions. In the early stage of use, due to the impact of alternating loads such as shock and vibration, as well as the influence of factors such as heat and deformation, and excessive wear and other reasons, they are easy to cause The originally fastened parts are loose.


3. Many operating errors


Due to insufficient understanding of the structure and performance of the reducer (especially new operators), it is easy to cause malfunctions due to operating errors, and even cause mechanical accidents and safety accidents.


4. Poor lubrication


As the fitting clearance of newly assembled parts is small, and due to assembly and other reasons, lubricating oil (grease) is not easy to form a uniform oil film on the friction surface to prevent wear. Thereby reducing the lubrication efficiency, causing the early abnormal wear of the machine parts. In severe cases, it will cause scratches or seizures on the friction surface of the precision fit, leading to failures.


5. Fast wear speed


Due to the influence of factors such as the processing, assembly and debugging of the new reducer parts, the contact area of the mating surface is small, and the allowable torque is large. During the operation of the reducer, the concave and convex parts of the surface of the parts fit and rub each other, and the metal scraps that fall off are used as abrasives to continue to participate in the friction, which accelerates the wear of the matching surface of the parts.


Therefore, during the running-in period, it is easy to cause wear of the parts (especially the mating surface), and the wear rate is too fast. At this time, if the load is overloaded, it may cause damage to the parts and cause early failure.