Stress and metal flow in steel tube during sizing process were analyzed.
分析了定径过程中钢管内金属流动和弹复行为。
2
Based on the problems existed in Venturi tube throat of double Venturi tube wet cleaning system, the rectangle sizing throat is developed and designed.
针对双文氏管湿法除尘系统一级文氏管喉口存在的问题，开发设计了矩形定径式喉口。
3
Causes responsible for bore polygonning of steel tube which appears as a defect during sizing and reducing are analyzed and common-used control methods therefor described.