freely extruded velocity 自由挤出速度
Extruding velocity, temperature of billet and container, die roughness and the chemical composition of the billet are the major factors which affect the surface quality of the extruded product.
挤压速度、挤压毛坯的温度、型腔温度、模具的表面粗糙度以及挤压毛坯的化学成分是影响热挤压件表面质量的主要因素。
The average extruded height and the grid distortion of theory and experiment agree well when using the proposed velocity field.
当采用本文提出的速度场时，平均挤压高度与网格变形的理论模拟计算与实际情况相吻合。
To receive extruded product with high quality, it is necessary to know the arrangement of the velocity profile at the outlet of die.
为了获得高质量的挤压制品，对模具出口区域速度分布的研究是必须的。
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