Based on the principle of generating method, the model YKX3140M/YKX3150M series heavy-duty CNC machine are designed to cut cylindrical spur & helical gears, crowning or slightly tapered gears, dual or cluster gears, wormwheels and splines with large module. They are suited for the industries that produce gears in mass production, such as heavy truck, metallurgy, marine, heavy machinery, aviation and lift, etc.