환상압연공정에서 측면유동에 의한 어미현상(Fishtailing)의 예측에 관한 연구 Prediction of Fishtailing in Ring Rolling by the 3-D Rigid-Plastic Finite Element Method

The open-pass ring rolling of rectangular cross-section is simulated by the three-dimensional rigid-plastic finite element method to predict fishtailing. Because the ring rolling process is incremental and the deformation region is restricted to the vicinity of the roll gap, only a ring segment spanning the roll gap is analyzed in order to save computation time. The strain rate distribution, roll separating force, driven roll torque, normal pressure distribution and the cross-sectional configuration of the deformed ring are calculated. Comparisons between computation and experiment show good agreement in roll separating force, driven roll torque and especially in the cross-sectional configuration of the deformed ring, i.e. the effect of fishtailing.
Publisher
한국유변학회
Issue Date
1992-06
Language
KOR
Citation

유변학, v.4, no.1, pp.35 - 45

ISSN
1226-119X
URI
http://hdl.handle.net/10203/60001
Appears in Collection
NE-Journal Papers(저널논문)
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