关键词: 三维编织 几何成型 算法 仿真

Abstract:

The paper summarizes the movement law of yarn carriers in the four-step braiding technique which is widely used, creates the mathematical models betwe  en the braiding technique parameters and the geometric structures, and propses a fixed grid method of step-by-step simulation according to the character istics of the four-step braiding technique. The papet first resolves the design of the quadrate four-step braiding method, and analyses the simiarities   and differences between the method and the circular four-step braiding method. Finally a 3D geometric simulation of the pre-modeling entity is realized.

Key words: 3-D braiding, geometric molding, algorithm, simulation