Flexible cup wall is the elastic deformation element in harmonic drive systems that enables precise motion transmission through controlled flexing.
The flexible cup wall is a critical component of the flexspline in harmonic drive mechanisms, consisting of a thin-walled cylindrical structure with gear teeth on its outer periphery. It undergoes controlled elastic deformation when engaged with the wave generator, creating elliptical deflection that enables high-ratio speed reduction and torque multiplication through meshing with the circular spline.
诱因 → 失效模式 → 工程缓解
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The flexible cup wall converts elliptical deformation into rotational motion through controlled flexing, enabling high-ratio speed reduction and torque multiplication in harmonic drive systems.
Thinner walls increase flexibility and reduction ratio but reduce torque capacity, while thicker walls enhance durability and torque transmission at the expense of flexibility and reduction range.
Regular lubrication with specified grease, periodic inspection for fatigue cracks, and monitoring of backlash increase. No routine adjustment is needed due to preloaded design.
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