陶瓷型芯注射成型过程的计算机模拟研究  

Computer Simulation Study of Injection Molding of Ceramic Core in Investment Casting of Gas Turbine Blade

作　　者：伍林[1] 曾洪[1] 赵代银[1] 何建[1] 杨照宏[1] 巩秀芳[1] 杨功显[1] 叶丽 林雨 WU Lin;ZENG Hong;ZHAO Daiyin;HE Jian;YANG Zhaohong;GONG Xiufang;YANG Gongxian;YE Li;LIN Yu(State Key Laboratory of Long-life High Temperature Materials,Dongfang Turbine Co.,Ltd.,Deyang Sichuan,618000;Lianxun Chuangcheng Technology Co.,Ltd.,Beijing,430081)

机构地区：[1]长寿命高温材料国家重点实验室东方电气集团东方汽轮机有限公司,四川德阳618000 [2]北京联迅创成科技有限公司,北京430081

出　　处：《东方汽轮机》2021年第2期45-49,共5页Dongfang Turbine

摘　　要：采用Moldflow计算机仿真技术,模拟了某燃机空心透平叶片熔模精密铸造用陶瓷型芯的注射成型过程,并采用短射试验验证了模拟结果。预测了该陶瓷型芯产生熔接线和气穴等缺陷的部位,对比了平均体积收缩率和尺寸检测结果,分析了陶瓷型芯中的石英玻璃棒的应力情况。Moldflow computer simulation technology was applied to simulate the injection molding process of ceramic core in the investment casting of hollow blade of gas turbine,and the simulation result was verified by short shot experiment.The position of weld lines and air traps were forecasted,the average volumetric shrinkage and dimensional inspection were compared,and the stress of results of quartz glass rod in the ceramic core was analyzed.

关 键 词：陶瓷型芯 注射成型 MOLDFLOW 计算机模拟 

分 类 号：TK266[动力工程及工程热物理—动力机械及工程]