异型钢管滚挤成形是一种新技术。
The forming of special section tubes with roll extrusion method is a new technology.
试验证明,辊拔工艺可显著降低拔制力,提高异型钢管表面质量。
The said experiments show that with the roll-die drawing process the drawing force can be considerably reduced and surface quality of the shape steel tube improved.
介绍了辊模拔制异型钢管的特点,进行了辊模拔制和固定模拔制试验。
The paper deals with features of roll-die drawing of shaped steel tubes and experiments of roll-die drawing and fixed-die drawing.
在引入辅助图形的基础上,运用解析法计算异型钢管的孔型,并借助计算机进行辅助设计,可提高运算速度和精度。
Based on the related sketches, pass design for the welded shaped steel tube can be obtained with analytics. Aided with computer, computing speed and accuracy can be enhanced.
在引入辅助图形的基础上,运用解析法计算异型钢管的孔型,并借助计算机进行辅助设计,可提高运算速度和精度。
Based on the related sketches, pass design for the welded shaped steel tube can be obtained with analytics. Aided with computer, computing speed and accuracy can be enhanced.
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