A simple and efficient reversing methodology of adjusting featured parameters is proposed for the casting-die profile design of turbine blades.
提出了一种简单高效的涡轮叶片精铸模具型面逆向设计方法：特征参数逆向调整法。
On the basis of the analysis of the character of aluminum alloy profile for subway and its producing difficulty, structure design and various technical parameter of extruded die were detailed.
在分析了地铁车辆用铝合金型材的特点及其生产难度的基础上，对挤压模具的结构设计和各项技术参数的确定做了详细说明。
Improving design method for die of column profile is introduced. Structure of die is more reasonable, its life is longer and shape forming is more instable after improving design.
介绍了立柱型材的改良设计方法，改良后的设计使模具受力结构更趋合理，模具寿命延长，型材成形更稳定。
Analyzing the die channel structure and the melt flow of the circle profile in the extrusion die provides the basis of the die design for the circle profile.
分析了模头流道结构和熔体在圆环型材挤出模中的流量，为环类型材挤出模设计提供了依据。
The concepts of profile are abstracted, thus design mode can be understood easily, the thinking of die designing are developed.
将型材的概念抽象化，使设计模型更加容易理解，拓宽模具设计思路。
While profile, the cross section was composed of annulus and rectangle, was extruded, the flow mechanism the plastic melt in the die was analyzed and the design method of die land was given.
本文分析了异型(圆环型与矩形的组合)材成型时塑料熔体在模头中的流动机理，并给出了模口成型长度的设计方法。
Based on this model a computer aided optimum design system of die bearing length and openings layout for aluminium profile extrusion is developed.
根据该模型开发了铝型材挤压平模工作带长度和模孔配置的计算机辅助优化设计系统。
The effect of major parameters of die structure on metal flow velocity is integrated and the mathematical model of design and calculation of aluminum profile extrusion die land length is derived.
并综合主要模具结构参数对金属流动速度的影响，建立了铝型材挤压模模孔工作带设计计算的数学模型。
The effect of major parameters of die structure on metal flow velocity is integrated and the mathematical model of design and calculation of aluminum profile extrusion die land length is derived.
并综合主要模具结构参数对金属流动速度的影响，建立了铝型材挤压模模孔工作带设计计算的数学模型。
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