SKW series 3D NC pneumatic tube bender is a kind of special machining equipment for tube bending. It is applied to bend copper tubes with diameter of Φ6~Φ20 and wall thickness of 1.2mm. Its champing and core conveying mechanism adopts pneumatic system. X, Y and Z coordinate is driven by servo drive system. The whole machine is controlled by microcomputer. It realizes movement of 3 shafts. Interface of the touch screen is used for parameters setting and operation switching. The machine is easily operated and can store Machining parameters for over 100 products. It is featured in good stability, durability, and high efficiency, thus being especially applied to bend copper tube.