Transverse positive engagement secures tool units automatically via spring force, resolving the trade-off between ease of operation and securing reliability.
A reusable hub assembly uses an adhesive-free interlocking connection to attach abrasive wheels, enabling component reuse and reducing material waste.
Visual alignment indicators decouple adjustment from pivoting motion, eliminating trial-and-error cycles and reducing material waste during sharpening.
Single radial orientation mounting ensures consistent wheel alignment while automated dressing reduces material waste and debris splashing.
Adjusting disc height inversely to diameter preserves mass balance, enabling smooth operation when switching between different sanding disc sizes.