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SmartCrown roll profile 형상에 따른 Work roll과 Back-up roll 접촉경계면의 응력해석
송승호(S. H. Song),김상록(S. R. Kim) 한국소성가공학회 2014 한국소성가공학회 학술대회 논문집 Vol.2014 No.10
SmartCrown is a system to control the plate crown by shifting s-shaped work rolls in the axial direction. The control range of the plate crown depends on a depth of s-shaped roll profile because its roll radius differs continuously along the axial direction. When the roll profile is changed to improve the control range, a contact stress between work roll and back-up role is also changed accordingly. In this study, the contact stress by the profiles and rolling conditions were analyzed with finite element method.
후판 4단 압연기에서 백업롤과 워크롤의 접촉응력에 관한 연구
김상록(S. R. Kim),송승호(S. H. Song),권용덕(Y. D. Kwon) 한국소성가공학회 2013 한국소성가공학회 학술대회 논문집 Vol.2013 No.10
We examined the contact pressure between back up roll surface and work roll surface in a 4-high plate-rolling mill and adopted submodeling method in order to predict contact pressure. This method was able to predict contact pressure distribution on barrel length and max contact pressure on local stress concentration region. We investigated the change of contact pressure according to change of the plate width and specific force. The result show that increase of plate width and specific force influenced the increase of overall contact pressure distribution on roll barrel length and max contact pressure. Change of plate width and specific force influenced contact pressure deviation between roll barrel center and chamfer starting point of back up roll.