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1. As the gears in the closed reducer mesh, friction is generated, leading to an increase in temperature over time. According to the principles of thermodynamics, as the temperature rises, the pressure inside the gearbox also increases. Since the volume of the reducer housing remains constant, this pressure buildup forces the lubricating oil to be splashed and distributed across the inner walls. Due to the high permeability of the oil, any unsealed or poorly sealed areas may allow the oil to leak out under the internal pressure.
2. An improperly designed structure can also lead to oil leakage. For example, if the reducer lacks a proper cover or venting system, it cannot maintain balanced pressure inside the housing. This imbalance causes continuous pressure buildup, eventually resulting in oil seepage through weak points in the casing or joints.
3. Overfilling the reducer with lubricating oil can cause excessive agitation within the oil pool. This leads to oil splashing throughout the internal components of the machine. If too much oil is present, it may accumulate around the shaft seals, joint surfaces, and other critical areas, increasing the likelihood of oil leakage.
4. Improper maintenance practices can significantly contribute to oil leaks. For instance, failing to clean the mating surfaces thoroughly before reassembly can leave dirt or debris that compromises the seal. Using the wrong type of sealant, installing seals in the incorrect direction, or not replacing worn-out seals in a timely manner can all result in oil escaping from the system.
In addition, environmental factors such as vibration, temperature fluctuations, and mechanical stress can further weaken the integrity of seals and gaskets over time. Regular inspections and proper maintenance are essential to identify early signs of wear and prevent costly oil leaks. By addressing these issues proactively, equipment performance can be maintained, and the risk of damage due to oil loss can be minimized.
Analysis of the Causes of Leakage of Planetary Reducer