The model YD31100CNC6/YD31125CNC6 gear hobbing machine is of 6 axes onewith 4 axes coordinated control. Based on principle of generating method, and by electronic gearbox (EGB), the machine is designed to cut cylindrical spur & helical gears, wormwheels, crowning or slightly tapered gears and splines, etc. It is suited for the industries that produce the gears on a large scale production, such as heavy-truck, crane machinery, mining, marine, lift, metallurgy, generating equipment and engineering machinery, etc.