Analysis and Disposal of Belt Conveyor Deviation

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Belt conveyor deviation is a common issue in industrial settings, often caused by misalignment, uneven loading, or improper maintenance. Proper handling of this problem is essential to ensure the smooth operation and longevity of the conveyor system. Here are some effective methods for analyzing and resolving belt conveyor deviation. 1. **Adjusting the Idler Rollers** When the belt deviates in the middle, adjusting the idler roller set can help realign it. The key is to shift the rollers in the direction that corrects the belt's movement. For example, if the belt shifts to the right, the right-side idlers should be moved forward, while the left-side ones move backward. This method works best when the deviation is minor and localized. 2. **Using Centering Roller Sets** There are various types of centering rollers, such as shaft-type, four-bar, and vertical roller sets. These devices use friction or lateral force to guide the belt back to its central path. They are most effective on short conveyors or those operating in both directions. However, they may not be ideal for long-distance systems, as frequent use can reduce the belt’s lifespan. 3. **Adjusting Drive and Return Rollers** The alignment of drive and return rollers is crucial for maintaining belt stability. All rollers must be parallel to the belt’s longitudinal axis. If the belt runs off-center, the bearing housings should be adjusted accordingly. For instance, if the belt moves to the right, the right-side bearing housing should be moved forward. This process is repeated until the belt runs straight. 4. **Tension Adjustment** Proper tensioning is vital for preventing belt drift. The tensioning device must be aligned vertically with the belt’s centerline. When using a gravity tensioner, the two return rollers should be kept straight. For screw or hydraulic tensioners, the bearing seats should move together to maintain a straight drum axis. This ensures even stress distribution across the belt. 5. **Material Transfer Point Influence** The way material is transferred between conveyors significantly affects belt deviation. If the material lands off-center, it can cause the belt to drift. To minimize this, the height difference between the upper and lower belts should be optimized. A smaller height difference increases the horizontal speed of the material, leading to greater lateral impact. Adjusting the funnel or guide trough dimensions can help control material flow and prevent misalignment. 6. **Two-Way Operation Adjustments** Adjusting a two-way conveyor is more complex than a one-way system. It requires first correcting one direction before addressing the other. Observing the belt’s movement and deviation trend is essential during the process. Focus on the drive and return rollers first, then fine-tune the idler positions and material transfer points. Ensuring even tension during joint vulcanization also helps maintain balance.

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**Related Bearing Knowledge** - INA bearing smooth method - SKF crack repair formula - NTN bearing steel new skills - How to replace SKF car wheel bearings This article is sourced from China Bearing Network. Please cite the original source: http://www.chinabearing.net Previous: What is the life of a set of bearings? Next: 20 Misunderstandings of Smooth Grease Application in the Patching Process

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