ROLLING MECHANISM, SKEW ROLLING MILL AND METHOD FOR ROLLING ULTRAFINE-GRAINED M50NIL ROD
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United States of America Patent
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Issued Date -
Jun 13, 2024
app pub date -
Apr 13, 2023
filing date -
Dec 7, 2022
priority date (Note) -
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status (Latency Note)
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Abstract
The disclosure provides a rolling mechanism for grain refinement of an M50NiL rod. The rolling mechanism includes two main rolls and two auxiliary rolls. The two main rolls are opposite to each other and the two auxiliary rolls are opposite to each other, and the two main rolls and the two auxiliary rolls are disposed around a rolling line to form a nip zone. In any cross section of the nip zone with the rolling line as a normal line, a first line connecting the central axes of the two main rolls is perpendicular to a second line connecting the central axes of the two auxiliary rolls; each main roll further includes a first protrusion portion, a first end portion and a second end portion. The first end portion and the second end portion are disposed opposite each other along a corresponding roll axis.
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