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A new work roll contour is advanced which is a linear variable crown(LVC) roll. 提出一种新型线性变凸度工作辊辊型即LVC辊型,这种辊型实现了辊缝凸度调节与板宽成线性化。
The failure forms of cold work roll including contact fatigue crack, spalling, inclusion crack and wear are discussed. 讨论了冷轧工作辊接触疲劳裂纹、剥落、夹杂物裂纹和磨损等失效形式。
Through accident investigation and analysis on fracture characteristics of work roll,spalling from barrel internal thread-like crack was found. 通过对某厂1700冷连轧机工作辊剥落事故进行调查和断口特征分析,发现该轧机工作辊出现由工作辊内部线状开裂引起的剥落;
The method that the work roll chocks are inserted the skims to reduce gap between the chock and the stand has been put in practice. 提出了缓解机架振动的具体措施,即在工作辊轴承座加装垫片,减少机架与轴承座之间的间隙,减振效果显著。
The results showed that the key factor influencing strip profile of PC mill was the equivalent crown of work roll from roll crossing. 计算结果表明,影响PC轧机轧件截面形状的主要因素是对辊交叉所产生的等效辊凸度。
In order to carry out SFR, elimination or well-distribution of work roll wear and creation of special shape control technologies are necessary. 为了实现自由规程轧制需减少磨损量、均匀化磨损分布或开发特殊的板形控制技术。
The practical application of LVC work roll contour indicates that the quality of strip shape can be improved and good utility can be obtained af... 从使用LVC辊型与使用常规工作辊轧制的板形工艺数据比较可知,LVC辊型可以明显改善板形质量,具有较强的实用性。
The bulk of the work rolls from department to department. 大量的工作从一个部门转移到另一个部门。
A new work roll contour is advanced which is a linear variable crown(LVC) roll.This roll contour can realize linear ratio of gap crown and strip width. 提出一种新型线性变凸度工作辊辊型即LVC辊型,这种辊型实现了辊缝凸度调节与板宽成线性化。
Aimed at the usual malfunctions of work roll,the countermeasures of reducing roll wear out are discussed from the roll manufacture and maintenance. 并针对工作辊易出现的故障,从轧辊制造和轧辊使用维护方面,探讨了降低辊耗的对策。
The defects of the needle-shaped hole and narrow white threads on the strip surface have close relationship with oxide film of work roll. 工作辊表面氧化膜状态与带钢表面氧化铁皮细孔及小白条压入缺陷的产生有密切关系。
Work rolls for cold strip mill, work rolls for tempering mill. 冷带轧机工作辊,平整辊工作辊。
The bulk of the work rolls from department to department . 大量的工作从一个部门转移到另一个部门。
The spline finite strip method, which has a high precision, was adopted to calculate and predict the work roll temperature field and crown. 采用一种具有较高精度的样条有限条法对轧制过程中工作辊的温度场和热凸度进行计算和预报。
The application results show that work roll and backup roll designed with this method have good adaptability, and the plate crown and roll consumption have been reduced greatly. 经现场实践应用表明，采用该方法设计出的工作辊、支持辊辊型曲线适应性好，并大大地改善了板凸度和轧辊磨损情况。
Abstract A new work roll contour is advanced which is a linear variable crown (LVC) roll.This roll contour can realize linear ratio of gap crown and strip width. 摘要提出一种新型线性变凸度工作辊辊型即LVC辊型，这种辊型实现了辊缝凸度调节与板宽成线性化。
The work roll adjustment control industrial test of aluminium foil four-high mill roll system gyroscopic effect micro dimensional dynamic cross is being preceded. 铝箔四辊轧机辊系陀螺效应动交叉微尺度行为的工作辊定位控制还在工业试验中。
According to the analysis of the indentation's morphology characteristics,the indentation was caused by the surface defects of the work roll,a part of the hot plate leveler. 热轧厚板经热矫直工序后钢板上表面产生压痕缺陷,从压痕的形貌特征分析,缺陷是由热矫直机上工作辊辊面缺陷所致,经查上辊面确实存在缺陷。
Hill-climbing searching arithmetic is a common method to find optimum solution,shifting optimum strategy of LVC work roll can be obtained using hill-climbing searching method. 登山搜索法是常用的寻优方法,可用登山搜索法得出LVC辊型的窜辊优化策略,并将其应用在板形自动控制模型中,这样可以提高辊型的板形控制精度。
The work roll surface can be ground on-line by a non-driven cup type of on-line Roll Grinder(ORG) installed in a strip mill to maintain the appropriate roll shape. 它通过设置在带材轧机上的无驱动式杯形磨辊装置，对轧制中工作辊表面进行在线磨别，以保证轧辊保持良好的轨型。