粉末微注射成型由于其市场前景广阔而迅速成为当今的研究热点，但由于其流动机理尚不明朗导致产品质量不稳定。
Micro powder injection molding is becoming hot spot rapidly because of its broad marketplace prospect, but as the flow mechanism is not still clear, it leads to the instability of product quality.
对反应注射成型机所采用的碰撞混合器进行分析，并就其进料喷嘴及混合室中的物料流动进行了能量及动量衡算。
The balance calculations were carried out of energy and momentum of reactant flows in an impingement mixing unit used for reaction injection molding.
本文描述了气体辅助注射成型过程中熔体流动和气体穿透的原理，分析了气体和熔体交界处应满足的边界条件。
This paper depicts the principle of polymer melt movement and gas penetration in the gas-assisted injection molding and analyzes the boundary condition of gasmelt interface.
讨论了塑料注射成型流动过程分析中熔体前沿喷泉效应的近似处理方法和数值分析方法。
The methods of approximate treat and numeric analysis for melt front fountain effect in the flow analysis of plastic injection molding was discussed in this paper.
根据塑料注射成型流动过程的特点，认为塑件的收缩是以浇口为收缩中心，据此分析了塑料齿轮的收缩规律，并进行了实验验证。
According to the procedure of injection molding, this paper presents a thought that the gate is the shrinking center of plastic products.
最后通过实例说明了注射成型流动数值模拟技术的合理应用。
The application of numerical flow simulation in molding process was expounded by an example.
聚合物流体的收缩流动行为是微注射成型工艺过程中影响分子取向与结构的重要因素。
Contraction flow behavior contributes significantly to the orientation and structure of molecular in micro injection molding.
对注射成型要求流动性高的应用程序。
Also for injection molding applications that call for high flowability.
对注射成型要求流动性高的应用程序。
Also for injection molding applications that call for high flowability.
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