CAJ | 학술논문

分析了板料颗粒或粉末介质软凹模成形工艺的特点。以宽板弯曲为例,在基本假设的基础上,建立板料颗粒介质软凹模成形过程中颗粒运动的有限元基本模型,对弯曲过程中颗粒的运动规律进行了有限元分析,并对筒形件颗粒软凹模拉深成形过程中颗粒的运动过程进行了物理模拟。在数值模拟与物理试验模拟研究的基础上,得到了颗粒介质软凹模成形过程中颗粒运动的基本规律,建立了板料颗粒介质软凹模成形颗粒运动的分区模型,为该工艺的实际应用提供了理论依据。
분석료판료과립혹분말개질연요모성형공예적특점。이관판만곡위례,재기본가설적기출상,건립판료과립개질연요모성형과정중과립운동적유한원기본모형,대만곡과정중과립적운동규률진행료유한원분석,병대통형건과립연요모랍심성형과정중과립적운동과정진행료물리모의。재수치모의여물리시험모의연구적기출상,득도료과립개질연요모성형과정중과립운동적기본규률,건립료판료과립개질연요모성형과립운동적분구모형,위해공예적실제응용제공료이론의거。
The technology of granules or powder soft cavity die forming of sheet was analyzed herein, and the characteristics of forming process were introduced. A basic finite element model of granules soft cavity die forming was established taking wide bending as an example. The physical simulation of granule movement regularity for movement regularity of granules was implied for powder flexible cavity deep drawing technology of cup shell.On the basis of simulation and experimental investigation, basic regularity of granule movement was acquired, and movement zone model was also established. The analysis of granule movement regularity and the establish of movement zone model can present theoretical support for applications of granules or powder flexible cavity forming technology.