It has outstripped the design capability to roll 865mm wide flat steel on 950 hot tandem mill,causing some problems such as strip running off,spread rolling,back-up roll flaking and difficult control to strip shape etc.
因用950热连轧机轧制865mm宽带钢超出了轧机的设计能力,存在轧件易跑偏、需要宽展轧制、支持辊易掉肉和板形难控制等轧制工艺难题,通过采取优化精轧侧导板和活套参数及E1立辊开口度设置、支持辊端部小倒角和在F7配置负辊型等措施,865mm宽带钢试轧一次成功,成材率97。
Application of Elman neural network to width spread prediction in medium plate mill;
Elman神经网络在中厚板轧机宽展预测中的应用
According to the operating principle and actual work condition of D56G90 cold ring rolling mill,two major factors,feed speed and width-radius ratio,that affected the width spread in cold rolling rectangle cross-section ring were selected to design width-spread experiment.
根据D56G90型环件冷辗扩机的工作原理和实际工作情况,选取了影响矩形截面环件冷辗扩宽展的2种主要因素:进给速度和宽径比来设计研究宽展变化的实验方案。
The distribution of specific rolling pressure, transverse stress, exit strip profile, edge drop and width spread are obtained by numerical calculations.
数值解析给出了单位轧制压力、出口断面形状、边部减薄及宽展等计算结果,且不同轧制条件下的计算实例与实际相吻合,表明所开发的三维程序适用于单机架或连轧机组等不同型式的宽、窄带钢轧制解析。
The fem simulation for the effect of spread on Q345B square billets rolled by adjusting waist obliquity in box pass;
箱形孔腰部倾角对轧制Q345B方坯宽展影响的有限元模拟
Simulation study of strip spreading on 2050mm roughing trains of Bao Steel;
宝钢2050粗轧带钢宽展规律仿真研究
The spread model of grooveless rolling of compact mill;
紧凑式轧机无孔型轧制轧件宽展模型的建立
In order meet the requirements of market, using forced spread process and box-flat conjugate pass system and at the condition of strong and asymmetric deformation, the 150mm×150mm continuous cast blank is rolled into 20mm×(180~250)mm chord plate slab after7 passes.
为满足市场需要,采用强制宽展工艺,箱扁共轭孔型系统,在强烈不均匀变形条件下,以150mm×150mm连铸方坯,经7道次轧制成20mm×(180～250)mm翼缘板坯,成功开发了系列超常宽度的翼缘板产品。
Some design examples for protected die and expansion feeder plate die at small extrusion machine;
小挤压机上保护模和宽展模设计几例
The design of expansion feeder plate die and shaping die,as well as the flow of metal during the extrusion and the calculation of extrusion force is discussed.
讨论了宽展模、成形模设计和壁板型材生产工艺等问题，重点讨论宽展模及其优化设计的几个原则。