It is an economical technical way with high efficiency to machine special-shaped surface of granite with diamond shaped tools, which is gradually widely used by stone enterprises.

Research on the Technology of Superposition Forming for Irregular Cylinder NC Turning and Milling;

The idea of surface direct interpolation is introduced, and integration CNC interpolation pattern for processing the tool-path of irregular cylinder turning-and-milling is presented successfully according to the interpolation characteristic of NC turning and milling for irregular cylinder.

Manufacturing hub by cold bending special section profile can be considered as the problem of special section plate bending,which is nonlinear in physics and geometry.

Application of cement-soil retaining walls with irregular section in deep excavations;