螺杆塑化性能的有限元分析及优化研究  

Finite element analysis and optimal researchon plasticizing capacity of screws

作　　者：李长勇[1] 应济[1] 

机构地区：[1]浙江大学机械工程学系,浙江杭州310027

出　　处：《工程设计学报》2004年第4期218-222,共5页Chinese Journal of Engineering Design

摘　　要：建立了注塑机计量段熔体输送模型,并运用有限元分析软件对这一模型进行动态模拟分析,计算出沿螺槽方向上纵截面的速度场,并计算出注塑机的塑化能力.在此基础上,以塑化能力为目标,对螺杆的计量段进行优化设计.以海天公司38螺杆为例,验证了优化螺杆的优越性.Although injection machines have been used extensively in industry, only extruder research has been emphasized. A model of the melt conveying section of injectors was established and analysed by the finite element software. And the velocity distribution in the vertical section as well as the output of the injection machine was derived. Based on the results above, the geometrical parameters of the metering section of the screw were optimized to obtain maximum output and minimum energy consumption. The results, about φ38 screws, demonstrated that the performance of the optimized screw is better than that of the standard screw.

关 键 词：注塑机 螺杆 计量段 有限元 优化设计 

分 类 号：TH145.42[一般工业技术—材料科学与工程] TH22[机械工程—机械制造及自动化]