The Difference Between: Strain Wave Gearboxes and High-Precision Planetary Gearboxes
Sept. 16, 2022
Both strain wave and planetary gearboxes are known for delivering high torque-to-weight ratios and precise positioning, yet they also have some specific features and benefits that make them ideal for certain applications.
To help engineers make the right selection for their particular needs, this paper examines key applications where each gearbox design provides the most appropriate benefits. A discussion on materials and manufacturing also helps to explain features such as repeatability, high synchronous running accuracy, and low noise generation.
In addition, this paper presents the pros and cons of each type of gearbox, along with an analysis of the differences in design. Key elements discussed include backlash, torsional stiffness, and hysteresis, while torque capabilities and reduction ratios are also compared.
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