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- work roll contact 工作辊接触
- 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。
- 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。
- Based on a group of basic equations, the calculation of roll shape is greatly simplified under the restriction of equal contact force between work rolls and backup rolls. 基于一组基本方程,并以工作辊、支持辊间接触压力相等为约束进行计算,从而使计算过程大为简化。
- The application results show that the distribution of roll contact pressure was meliorated, and the life of the backup roll was improved. 结果表明,优化后的辊型曲线改善了辊间压力的分布情况,降低了轧制末期工作辊边部对支撑辊的磨损,提高了支撑辊轧制质量。
- 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;
- Rolling Contact Fatigue of Rails: What Remains to be Done? 钢轨滚动接触疲劳的进一步研究?
- 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 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 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。
- The contact geometry, creepages and friction work of wheelset/track with two type profiles in rolling contact are investigated with numerical methods. 采用数值分析方法详细分析了2种型面轮对与轨道在滚动接触过程中的接触几何、蠕滑率和摩擦功。
- 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。
- 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。
- 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。
- These materials are suitable for fabrication of the cage of rolling contact bearings. 这些材料适宜于制造滚动轴承的保持架。
- 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。
- 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。