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The three grinding wheels of the hand grinder offer different grinding levels, allowing the technician to gradually refine the lens edges. The first wheel might be used for rough grinding, removing excess material quickly. The second wheel then smoothes out the edges, while the third and finest wheel polishes them to perfection.
In addition to its use in manufacturing, the three-wheel hand grinder also finds application in the repair and maintenance of existing eyewear. If a lens becomes chipped or cracked, or if the frame needs to be replaced, the grinder can be used to reshape the lens edges to fit the new frame.
Moreover, in the realm of custom eyewear, the three-wheel hand grinder plays a pivotal role. Customers with unusual face shapes or specific visual needs may require customized lenses. The hand grinder allows the technician to precisely shape the lens edges to match the contours of the customer's face, ensuring both comfort and style.