支承辊
- 网络back-up roll;backup roller;backup roll
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2800轧机Φ1800mm大型支承辊的热处理技术
Heat Treatment Technology of Φ 1800mm Large Back-up rolls for 2800 Mill
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MKW轧机支承辊强度的可靠性分析
Reliability Analysis About Strength of Back-up Rolls of The MKW Mill
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大型支承辊锻件内部夹杂性缺陷形成机理的FEM分析
FEM Analyses on Forming Mechanics of Inclusion Defects Inner Heavy Backup-Roll Forging
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CVC热轧机支承辊接触应力有限元分析
Finite element analysis of contact stresses on the backup roll of CVC hot rolling mills
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大型板带四辊轧机支承辊油膜轴承锥套与辊颈的最新结合方式是日本三菱重工的专利技术&弹性结合(ElasticForceJoint)。
The up to date assembly method of the sleeve and roll neck of oil film bearing , used on large-scale 4-h strip rolling mill , is Elastic force joint . This technology is a patent of Mitsubishi heavy industries Ltd.
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对武钢冷轧厂冷连轧机和HC轧机支承辊剥落特征的研究表明,冷连轧机支承辊剥落类型有深层次剥落和辊面型剥落两种;
An investigation is made of flake off features on back up roll of both tandem mill and HC mill in the Cold Strip Rolling Mill Plant .
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冷连轧机D.H.支承辊剥落失效原因分析
Spalling failure analysis of D. H. back up roll for cold strip mill
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支承辊用YB-70钢冶炼工艺的研究
Research for Melting Process of YB-70 Steel for Back Roll
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提出支承辊的锻造工艺宜采用上宽平砧下平台+宽V形砧大压下量(FM+KD)锻造法,辊身喷冷后终冷温度在220~250℃为宜。
Which presents that the forging process for the backup roll shall be top wide anvil , bottom platform + wide V type anvil with large percent reduction , and the final temperature of the roll proper shall be better within 220 ~ 250 ℃ .
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φ1550mm支承辊的堆焊修复与强化
Welding Restoration and Strengthening of φ 1550mm Backup Roll
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当所轧产品宽度变化不大时,同时使用双阶梯支承辊和液压弯辊,按合理原则选择有关参数,可以较大幅度地提高带钢板形质量,收到与HC轧机相似的效果。
When the width of rolled strip does not change very much and parameters concerned are selected in accordance with rational principle the quality of strip shape can be improved greatly and the effect similar to HC mill can be obtained .
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介绍了大型支承辊用YB-70钢研制过程,并详细介绍了冶炼工艺方案的确定和冶炼过程中的脱P、脱S原理及控制方法。
The development of YB-70 Steel for heavy back roll has been introduced , the determination of melting process plan , the principle of dephosphorization and desulphurization and its control method dur-ing melting have been introduced in detal .
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为了研究连续可变凸度(CVC)热轧机支承辊的接触疲劳机理,用有限元法分析了其表面滚滑动接触应力。
A 3-D finite element model of the rolling-sliding contact was used to calculate the contact stress to clarify the rolling contact fatigue mechanism in the back-up roll for continuously variable crown ( CVC ) hot rolling mills .
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并指出了ZWJ型上引纸复卷机双支承辊差速传动的不合理性;
This paper points out that various drive design of double supporting rolls used on ZWJ model up-threading rewinder is irrational .
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结果表明:淬火时间为55min,淬火介质为油或UNCON(25%)时,支承辊不能得到马氏体而硬度降低;
The results show that the hardness of bearing roller is lower than the required because no martensite is formed when the quenching time is 55 min and the quenchant is the oil or UNCON ( 25w % ) .
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以UNCON(15%)或水为淬火介质时,可以得到大量的马氏体,支承辊硬度和淬硬层深也符合要求,但残余应力较大。
While the bearing roller is quenched into UNCON ( 15w % ) or water , it can get a lot of martensite . At the same time , the hardness and quenching layer of bearing roller meets the needs , but the residual stress is larger .
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实验结果表明,在Cr5支承辊用钢马氏体相变结束时,相变塑性应变与应力成线性关系,Greenwood-Johnson模型中的相变塑性参数是与应力无关的常数。
Experimental results show that a linear relationship between transformation plasticity strain and applied stress exists when martensitic transformation completes in the 5 % Cr steel , and the transformation plasticity parameter of the Greenwood-Johnson model is a constant , which is independent of applied stresses .
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大型支承辊置裂原因分析
Analysis of The Stationary Crack in Heavy Back - up Roll
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轧机支承辊换辊装置液压回路的改进
Improvement of hydraulic circuit for the change of mill support roll
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支承辊辊套热处理工艺的改进
The Improvement of the Heat Treatment Process for Backup Roll Shell
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宽带钢热连轧支承辊磨损模型研究
Wear Model for Back-Up Roll on Wide Hot Strip Tandem Mills
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用双阶梯支承辊改善板形
To improve flatness of strip with double stepped - backup rolls
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1700mm连轧机组支承辊辊身断裂失效分析
Failure Analysis on the Break of Back - up Roller Body
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整锻支承辊锻造新工艺应用研究
The Application of New Forging Process on Heavy Back - up Roll
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冷连轧机变接触支承辊板形控制性能研究与应用
Shape Control With Varying Contact Backup Rolls on Tandem Cold Rolling Mill
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进口铝轧机支承辊轴承控温系统的国产化
Domestics for Backup Roll Bearing Temperature Control System of Imported Aluminium Mill
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大型支承辊热处理过程的数值模拟
Numerical Simulation of Heat Treatments for a Large-scale Bearing Roller
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双阶梯支承辊在四机架冷连轧机上的应用
Application of double stepped backup rolls 4 stand tandem cold strip mill
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支承辊轴承结构及密封的改进探讨
Discussion on the Structure and Seals of Backup Roll Bearing
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厚板轧机支承辊的制造
The Manufacturing of the Backup Rolls for the Heavy Duty Plate Mill