Study of work roll edge contact in asymmetrical rolling by modified influence function method

2005 ◽  
Vol 162-163 ◽  
pp. 512-518 ◽  
Author(s):  
Z.Y. Jiang ◽  
H.T. Zhu ◽  
A.K. Tieu
Keyword(s):  
Influence Function ◽  
Function Method ◽  
Work Roll ◽  
Asymmetrical Rolling ◽  
Edge Contact ◽  
Influence Function Method

AN INFLUENCE FUNCTION METHOD ANALYSIS OF COLD STRIP ROLLING

2008 ◽  
Vol 22 (31n32) ◽  
pp. 5728-5733
Author(s):  
Z.Y. JIANG ◽  
D.W. WEI ◽  
A.K. TIEU
Keyword(s):  
Cold Rolling ◽  
Influence Function ◽  
Function Method ◽  
Rolling Force ◽  
Work Roll ◽  
Thin Strip ◽  
Traditional Theory ◽  
Influence Function Method ◽  
New Findings ◽  
Strip Crown

An influence function method has been developed to simulate the asymmetric cold rolling of thin strip with work roll kiss at edges. The numerical simulation model was obtained based on the deformation compatibility of the roll system in rolling and lateral directions. The strip plastic deformation has been considered in the formulation, which is significantly different from the traditional theory of metal rolling. The rolling mechanics and crown of the strip with work roll edge kiss, which are new findings for cold rolling of thin strip, are obtained. A comparison of the rolling force, roll edge kiss force and the strip crown after rolling has been conducted for various cross shear regions in the roll bite. Results show that the calculated strip crown is in good agreement with Ameasured value, and the rolling force and strip crown decrease with an increase of cross shear regions, as well as the work roll edge kiss force and edge wear decrease. The friction also has an influence on the profile of the rolled thin strip.

Analysis of the Effect of Natural Slope Stability due to Tunnel Excavation in Mountainous Areas

2013 ◽  
Vol 690-693 ◽  
pp. 938-942
Author(s):  
Xu Li Liang ◽  
Fei Wang ◽  
Gang Li Hao
Keyword(s):  
Slope Stability ◽  
Influence Function ◽  
Function Method ◽  
Mountainous Area ◽  
Mountainous Areas ◽  
Tunnel Excavation ◽  
Natural Slope ◽  
Influence Function Method ◽  
Theoretical Results ◽  
Good Agreement

The effect of natural slope stability due to the tunnel excavation in mountainous areas is studied used influence function method, and one tunnel excavation project in Hebei province was analyzed, the theoretical results obtained are in good agreement with the real monitoring data, therefore, the influence function method can be effectively used to predict the ground displacement caused by tunnel excavation in mountainous area, which could provide the basis for the evaluation of the safety of such works.

Effect of Mid-Roll Shift on the Strip Flatness for CVC 6-H Mill

2014 ◽  
Vol 941-944 ◽  
pp. 1740-1743
Author(s):  
Dong Cheng Wang ◽  
Zhi Qun Wang ◽  
Hong Min Liu
Keyword(s):  
Influence Function ◽  
Function Method ◽  
Variation Method ◽  
Practical Application ◽  
Strip Flatness ◽  
Influence Function Method ◽  
Strip Shape ◽  
Calculation Results ◽  
Element Variation

In order to obtain the best position of mid-roll shift, this paper studies the effect of different mid-roll shift position on the strip flatness of CVC 6-H mill. Strip element variation method and influence function method are put forward to analyze the effect of mid-roll shift on strip flatness. The results show the CVC 6-H mill is able to get good strip shape. The best shift position is obtained from the calculation results. The conclusion has a good significance for the practical application.

Research in Shape Meter Roll Deflection Compensation Model

2010 ◽  
Vol 146-147 ◽  
pp. 793-797 ◽  
Author(s):  
Jia Wei Liu ◽  
Dian Hua Zhang ◽  
Peng Fei Wang
Keyword(s):  
Measurement System ◽  
Influence Function ◽  
Function Method ◽  
Compensation Model ◽  
Strip Flatness ◽  
Influence Function Method ◽  
Measuring Signal ◽  
Flatness Measurement

In flatness measurement system, the flatness measuring signal can be affected by the flatness roll deflection. The flatness roll stress was analyzed and the flatness roll deflection model was obtained by using the influence function method in this paper. The model has been developed based on the deformation of flatness roll in rolling and compensating curve has been obtained. The results indicated that the setting curve of flatness is preferably accordant with the curve of online measuring flatness, and good strip flatness can be obtained.

Sign in / Sign up

Export Citation Format

Share Document