To mitigate instability and out-of-roundness in ring rolling processes, this paper presents an adaptive control approach for roll motion trajectory using ring offset and roundness error as feedback. A finite element model was established to compute these two parameters. Through secondary development of existing software, separate control strategies for guide roll, mandrel, and axial roll were designed, together with an integrated control scheme combining all three rolls. Experimental results demonstrate that the integrated method overcomes the limitations of individual strategies, substantially reduces both offset and roundness error, and effectively improves rolling stability.
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