浅析三辊开坯轧机实现大压下、大延伸的方法

Analyses on the Implementation of Huge Reduce Size and Elongation for Billets in Three-high Cogging Mill

为提高三辊开坯轧机的轧制能力 ,莱钢锻压厂对传统的开坯工艺进行改造 ,将六角—方孔型与箱形孔良好衔接 ,并设计了能够共轭轧制的大延伸六角孔 ,从而实现了开坯轧制大压下、大延伸 ,以及成品单出与自动咬入 ,提高了轧制节奏。

In order to increase the rolling capability of three high cogging mill, the forging plant of Laigang reforms the traditional cogging process, joining the six angle square pass with box pass well and designing the six angle pass with heavy elongation to realize conjugate rolling, thus realizing the heavy reduction, heavy elongation for cogging rolling and single end product outing and self nip, improving the rolling rhythm