在对张减机椭圆孔型传统设计方法和西德所提供的设计方法分析的基础上。
Based on the analysis of the conventional oval pass design of a stretch reducing mill and the design provided by W.
在大圆钢轧制或大断面轧件延伸孔型系统中，双半径椭圆孔型与单半径椭圆孔型相比，具有轧件易咬入、变形较均匀、孔型磨损小等优点。
The double radius ellipse pass is better than the one of single radius ellipse in the big round bar or big section steel rolling.
采用三维流函数法对棒材热连轧时的椭圆-圆孔型系统进行了力能参数的解析，其结果与实测结果符合很好。
Using three dimensional fluxional function, the rolling force and energy parameters of oval round pass sequences for hot continuous bar rolling were analyzed.
在用水平二辊连轧机轧制中，椭圆轧件进入圆孔型翻转时易出现错辊、导卫装置损坏、轧件划伤等一系列问题。
A serials of problems of miss position of roll, easy damage of guide and guard, scuff mark of piece were common during oval piece entering round pass by 2-h horizontal mill.
孔型：长孔、圆孔、三角孔、椭圆孔、浅拉伸鱼鳞孔、拉伸异型网等。
Hole shapes: long holes, round holes, triangle holes, lightly pull scale holes, other pull wire nettings, etc.
孔型：长孔、圆孔、三角孔、椭圆孔、浅拉伸鱼鳞孔、拉伸异型网等。
Hole shapes: long holes, round holes, triangle holes, lightly pull scale holes, other pull wire nettings, etc.
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