The digitization and information of product in digitized manufacture are important factors. The digitized modeling technology of product, which embody competition capability of the manufacturing corporation in the future market, is a key method. 产品的数字化和信息化是数字化制造业的基础,产品数字建模技术是体现未来制造业能否快速适应市场竞争的关键技术手段。