alloy saw blade sharpening machine

Saw Blade Sharpening Machines. Thorvie saw blade sharpening machines are the most versatile on the market. The AV-40 is our original sharpening machine, and the AV-42 is a modified version which sharpens larger blades. The AV-40 can sharpen up to a 30 inch diameter, and the AV-42 can sharpen up to a 42 inch diameter.