Harmonic Drive Wave Generator from Canada
Cam-shaped wave generator flexes the harmonic drive flexspline for ultra-precise speed reduction ratios up to 160:1 in robotics. Novel classification under HTS 8483.90.50 as speed changer gearing part despite unique principle. Thin-walled bearing race optimizes deformation.
Duty Rate — Canada → United States
12.5%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Proprietary design patents or technical literature establishes novelty
• Strain gauge test data proves flexing function
• Avoid generic 'bearing' descriptions in documentation