Finite element discussion about the influence of friction on the hot rolling deformation of special shaped ring
ZHANG Lei1��ZHANG Zhe-ming2��LI Ji-guang2
��1. Special Steel Institute�� Central Iron and Steel Research Institute�� Beijing 100081�� China 2. School of Materials and Metallurgy�� University of Science and Technology Liaoning�� Anshan 114000�� China��
Abstract��Based on the Simufact platform�� a three-dimensional finite element model was built and the influences of the friction coefficients of drive roll�� taper roll and mandrel roll on the equivalent strain�� radial rolling force�� axial rolling force and ring size during the hot ring rolling process were studied by the simulation. The results showed that�� with the increase of the friction coefficients of the drive roll and taper roll�� the outer diameter also became larger and the inner diameter increased as the friction coefficients of mandrel increased. Meanwhile when increasing the friction coefficients of the drive roll�� the radial and axial rolling force increased. Internal and external surface equivalent strain can be more equal when the friction coefficients of drive roll increased�� which caused that the deformation became more equal�� and the ring wall was more easily struck by the plastic area.
�� �ף������������. Ħ�������λ�����������Ӱ�������Ԫ̽��[J]. �й������ڿ���, 2017, 35(3): 1-6.
ZHANG Lei��ZHANG Zhe-ming��LI Ji-guang. Finite element discussion about the influence of friction on the hot rolling deformation of special shaped ring. Chinese Journal of Iron and Steel, 2017, 35(3): 1-6.
2017, Vol. 35 
