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Factors affecting gearbox efficiency

Categories: Latest NewsRelease time: 2016-07-14 17:03:00
Source: ZHAOWEIEditor: ZHAOWEI Author: ZHAOWEI

Gear set, seal, bearing, and lubrication losses has a direct effect on the power required to drive the gearbox. When a motor is needed to overcome efficiency losses in the gearbox, that ultimately raises the overall cost. How can one anticipate the how these factors affect gearbox efficiency during the design process? This can be a difficult question to answer. Depending on the gearbox being designed, gear set losses can be fairly predictable based on the research and experience. Seal, bearing and lubrication losses are more difficult to predict. At times, these losses may be negligible if designing high load capacity gearbox. However, when designing a fractional horsepower gearbox, the seal, bearing, and lubrication losses may have a significant impact. Therefore, testing, especially at various temperatures, is crucial. Just because a gearbox performs well at ambient temperature, does not mean it will have the same performance at -80°C or 100°C. All variables must be considered.

Load capacity, usable life, envelope size, and cost: All are very important considerations when designing a gearbox. However, accurately accounting for efficiency losses is a frequently forgotten element of the gearbox design process. These losses can be attributed to several factors: gear set losses, seals, bearings, and lubrication.

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