Through using hydraulic proportion valve to control the double-roller moveable device, the ability of refine area is improved and movement frequency of 350t cool-shear is stabilized.

• 通过采用液压比例阀控制双辊道移钢装置,提高精整区能力,稳定350t冷摆剪运行节奏,解决轧制能力大于精整处理能力的问题。