Analysis of the reasons for frequent belt breaks in diesel generators
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The belt of a diesel generator keeps breaking frequently, and even after replacing it with a new one, its lifespan becomes shorter and shorter. Now the new belt only lasts for five or six hours. There is a tension pulley involved, and it’s a single-strand belt with four strands in total. I would appreciate it if someone could help me figure out the reason. Thank you.
1. Please check whether the pulley and the tensioning pulley are on the same horizontal level； II. Check whether the belt tension is insufficient, which causes the belt to slip, leading to increased temperature and eventual burnout of the belt ； III. Check whether the machine is overloaded or the belt is broken.
This post was last edited by we11we11 on 2020-9-16 at 12:30. The main tasks are to check the tension and alignment of the belt, as well as the quality of the belt. It’s also necessary to check whether there is any deformation in the grooves of the pulleys. Incidentally, using tension rods for alignment is not very accurate; it’s better to use a laser alignment device. The SKF TKBA 10 is recommended
Send a picture of the damaged belt piece. If it’s a localized damage, it’s likely a problem with the tension pulley. If the damage is uniform, check whether the load meets the process requirements. Another point is whether there is any mechanical jamming in the rotor itself. For reference.
It is mainly due to belt quality issues and tensioner stiffness adjustment problems
1. Belt quality issues； 2. The belt tension is too high.
The belt tension is too low, causing the belt to slip and generate high temperatures.
Is it the original belt? Belts and pulleys are designed to work together. We had an issue where the belt pulley groove angle and the belt inclination were not matched, and it broke after just two months. Those produced by the manufacturer can be used for four years.