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Abstract：
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According to the principles and technology of ring rolling,a rolling technics of C-section rim ring including the product and die design was introduced.Controlling key points and main parameters of blank profile in every working procedure were listed,meanwhile,the problems in rolling were analyzed and the methods for solving the problems were put forward.As a successful technics,the material utilization rate is increased by 28% and production efficiency is twice than before.The economic and social benefit is gained.It provides a new thought and approach for the rolling of the special-shaped ring with complex sections in future.
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Reference：
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