Abstract: A new type of spinning technology is presented. By this technology, the 3D non-axisymmetric thin-walled hollow part, a portion axis of the part is parallel or has a certain included angle to each other, can be formed directly. It mainly focuses on the working principle, forming characteristic and deformation mechanism. The application prospect of this technology is also depicted. The rollers of the forming apparatus can feed to the main axis, while rotating around it.

Key words: Spinning technology, Deformation mechanism, Non-axisymmetric parts