Computerized Widening Knitting Machine is driven by AC motor controlled by inverter with timing belt. The Widening Knitting Machine ensures that the carriage has 5 variable speed automatically changed by computer. The Widening Knitting Machine can sense the left and right needle widening automatically and after the needle widening, the carriage Stroke is enlarged automatically. Computerized Widening Knitting Machine is attached with automatic fabric take down system.