What Are the Factors That Affect Oil Gap Adjustment?

Source: China Bearing Network | Time: 2013-02-03

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1. Impact of Lining and Gear Installation

When the lining wears out, it can cause a change in the parallelism of the two gear shafts. This leads to an altered meshing effect between the gears, which may shift the center of gravity. As a result, the bearings at both ends of the gear shaft experience uneven stress, leading to an asymmetric bearing clearance. This directly affects the adjustment of the oil gap. In such cases, repairing or replacing the worn lining can help restore the intended alignment and performance. Additionally, improper installation of the gears can also lead to poor meshing. This can cause uneven loading on the bearings at both ends of the shaft, resulting in inconsistent clearance. To avoid this, it is common practice to install the gear into the housing, run it idle for 3 to 5 minutes, and then perform the final adjustment. This ensures that the system settles properly before making any fine-tuning.

2. The Effect of Fastening Bolts

In real-world applications, we have observed that if the bolts on one side of the bearing seat are tightened first and then the other side is tightened, it often results in different clearances at each end. This imbalance can cause significant vibration during operation and reduce the lifespan of the bearings. To prevent this, it's important to pre-tighten both sides of the bearing seat simultaneously before applying the final tightening. This helps maintain a consistent working clearance and ensures smooth operation. Proper bolt tightening procedures are essential in maintaining the integrity and performance of the entire system.

Other Factors to Consider

Besides the above, other factors like temperature changes, material deformation, and wear over time can also influence the oil gap. Regular maintenance and inspections are crucial to detect these issues early and make necessary adjustments. Monitoring the condition of the bearings and their surrounding components can significantly improve efficiency and prolong equipment life.

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