Many customers install miniature planetary geared motors and operate them for extended periods, which can cause the gearbox to overheat.
1. Miniature geared motors , also known as planetary geared motors, are often referred to as having a load greater than the manufacturer's rated load. This is because when the load is too large, the gears inside the reducer mesh tightly, increasing friction and resulting in a relatively large load.
2. The internal structure of the speed reducer is not suitable for speed input. Some customers have reported that the same motor is installed in the same speed reducer, but the speed reduction ratio is different, but the noise and heat generation are different. What is the reason for this?
After effective testing and analysis, we found that the first-stage sun gear at the input end of the reducer, which is experiencing more severe overheating, has a larger diameter. At this time, the sun gear is decelerating while the planetary gears are accelerating, which naturally results in even greater heat generation.
To address this type of problem, it is recommended to use a reducer with a different reduction ratio, or to modify the internal gear structure (which is more expensive).
Of course, there are many manufacturers of miniature planetary geared motors, and their professions are not very consistent, but the main reasons for overheating of geared motors are generally the two points mentioned above.
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