CAJ | 학술논문

本文运用Moldflow软件对脸盆进行成型过程分析,采用双域模型(Dual-Domain),通过设定不同网格边长、模具温度和熔体温度来研究对脸盆的填充、冷却以及翘曲的模拟分析,找到最佳工艺参数,为模具设计及加工成型提供理论依据, 从而提高模具设计效率.结果显示,网格边长对充填时间、气穴、熔接痕和流动前沿处的影响较小,但对锁模力及总变形量影响较大;模温和熔温对每个评价因子影响均很大,因此在注塑成型时要注意模温和熔温的选择; 综合考虑各个因素对脸盆成型的影响,在网格边长4mm、模具温度为30℃、熔体温度为180℃、充填时间为4.235s、锁模力为750t等工艺条件下得到的脸盆质量较好,但要使脸盆成型工艺中达到最佳,需进一步考虑浇口位置及数目、材料种类和保压压力对翘曲变形的影响.
본문운용Moldflow연건대검분진행성형과정분석,채용쌍역모형(Dual-Domain),통과설정불동망격변장、모구온도화용체온도래연구대검분적전충、냉각이급교곡적모의분석,조도최가공예삼수,위모구설계급가공성형제공이론의거, 종이제고모구설계효솔.결과현시,망격변장대충전시간、기혈、용접흔화류동전연처적영향교소,단대쇄모력급총변형량영향교대;모온화용온대매개평개인자영향균흔대,인차재주소성형시요주의모온화용온적선택; 종합고필각개인소대검분성형적영향,재망격변장4mm、모구온도위30℃、용체온도위180℃、충전시간위4.235s、쇄모력위750t등공예조건하득도적검분질량교호,단요사검분성형공예중체도최가,수진일보고필요구위치급수목、재료충류화보압압력대교곡변형적영향.
In this paper, the washbasin Moldflow software for molding process analysis is studied and the double Domain model (Dual - Domain) model is applied for the study. By setting different meshes length, mold temperature and melt temperature are studied to washbasin filling, cooling and warpage simulation analysis, and find the best craft parameter for mould design and processing & forming provide theoretical basis, so as to improve the mould design efficiency. Results show that, Grid side of filling time, cavitation, weld 1ine and flowing front place less effect, but for the clamping force and total deformation influence is bigger; mould mild melt temperature of each evaluation factors influence are very big, so be careful with mold mild melt temperature choice in injection molding; Considering all the factors of washbasin of molding influence, The grid side 4mm, mold temperature for 30℃, melt temperature for 180℃, the fill time for 4.235s, clamping force for 750 tone etc. Craft condition available by the washbasin quality is better. But for washbasin molding process to achieve the best, need to consider gate location and number, material types and holding pressure for warpage influence.