模芯，顾名思义指的是用于模具中心部位的关键运作的精密零件。模芯一般结构极端复杂，加工难度非常大，造价很高，往往制造的人工支出大大超过材料的本身。对于模芯材料的选择也直接关系到模具的造价和模具的使用寿命。模芯包含有：拉丝模芯、陶瓷模芯、真空模芯、排气模芯、汽车部件模芯等
得到模芯的长度后，根据模芯座的结构尺寸确定模芯装配尺寸；
3 get the core length, core assembly size is determined according to the structure size of the mold core seat;
通过实例介绍了具有小模芯的铝型材挤压模的设计和制造方法。
The technology of designing and making for extrusion die with small die-mandrel by several examples is introduced.
详细阐述了硬质合金模芯镶块剖分式组合凹模的结构和制造工艺。
The structure and manufacturing engineering of combination die which was made up of steel-bonded carbide core and insert block were expatiated.
应用推荐