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中文摘要：
在某大学开发的直接原型熔射制模技术中,陶瓷材料由于其硬脆特性,加工时容易发生崩裂,因此切削量不能过大,导致加工大型模具时效率较低。研究通过工业机器人直接铣削陶瓷毛坯得到熔射陶瓷原型,但铣削后的黏土类陶瓷生胚原型在高温干燥固结中会发生较大的收缩变形。建立了黏土类原型材料在高温干燥过程中传质传热的数学模型,并在ABAQUS中进行了有限元模拟,得到黏土类原型材料的收缩变形规律,为后续工作打下基础。
英文摘要：
In the direct prototype spray tooling technology developed by some university,due to ceramic materials＇ brittle characteristics,it is prone to crack in the processing,so the cutting amount can not be too large,resulting in low efficient in the processing of large mold.The technology obtaining sprayed ceramic prototypes through industrial robots directly milling ceramic rough is studied.However,large shrinkage in high-temperature drying and consolidation will be occurred after milling clay ceramic prototype embryos.A clay material mathematical model of heat and mass transfer in the high-temperature drying process was established,and finite element simulations were carried out in ABAQUS.The shrinkage deformation law of prototype clay material was obtained.It lays foundation for following work.
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