... cutting circular saw blades of various angles.grinding the saw blade's top teeth,teeth bevel,bevel gear. Round Saw ... Blade Knife Grinder Model GD-127B Feature: This machine mainly used ... , bevel gear. Parameter: Diameter of grinding Saw blade:Φ105~Φ630mm Applicable Grinding Saw Blade Aperture:Φ20, Φ22, Φ25.4,Φ30, Φ40, Φ50, Φ70 ...