The "pyramid model" conception of products structure is raised, the way of creating product pyramid is analyzed from the aspects of technology, product management and material supply.
提出了企业产品结构“金字塔”的模式构想，并从技术、产品管理、原料供应方面分析了创建产品金字塔的方式方法。
The cause and rule of warpage in the injection-moulding products was introduced. It listed the guarding measures in mold structure, molding technology and forced patterns against warpage.
介绍了注塑制品翘曲变形的原因及其规律。从模具结构、成型工艺、强制定型等方面，列下了避免翘曲变形的措施。
Characteristics of end board of heat exchanger of air conditioner have been introduced with technology analysis of several products and introduction of structure features of piercing die.
介绍了空调机换热器端板的结构特点，对其几种产品进行了工艺分析，在此基础上设计了端板冲孔模。
应用推荐