This article analyzes the present situation and the development tendency of the domestic and foreign numerical controls system and slotting technology. From the movements structure of numerical control slotting machining

this article also analyzes the movement control methods of numerical control of slotting machining and establishes the movement control model of the numerical control slotting machining to process the helical gear.having analyzed the structure and the principle of the electronic gear box

this article proposes the new methods to use "Electronic gear transmission"

"Electronic differential transmission" and "Acceleration and deceleration orientation control".