The concept of a universal cross-rolling mill
DOI:
https://doi.org/10.15802/tpm.3.2025.05Keywords:
universal oblique rolling mill, pilgrim unit, sleeve, pipe, running-in device, stop-adjustment mechanism, drive spindles, short and long mandrels, guide block, core and shell centering devicesAbstract
The concept of a universal oblique rolling mill (UBM) of a pilgrim unit is proposed to solve its technological capabilities by obtaining shells and thick-walled pipes when rolling on short and long mandrels. A new design of a running-in device for the front ends of shells during the piercing process on the UBM is proposed, which is placed on a separate frame connected to the cage and guide block. The proposed UBM concept can be used to modernize the elongator mill of the pilgrim unit 5-12 of PJSC "Interpipe NTZ".
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