METHOD FOR MANUFACTURING RING-ROLLED PRODUCT
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United States of America Patent
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Issued Date -
Oct 1, 2020
app pub date -
Dec 1, 2016
filing date -
Dec 3, 2015
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Abstract
A method for manufacturing a ring-rolled product forms the ring-rolled product from a ring material by using a mandrel roll and a main roll. The mandrel roll and the main roll are configured so as to contact inner and outer circumferential surfaces of the ring material, respectively, and are configured so as to press the ring material in a radial direction thereof in a state in which the ring material is rotated in a circumferential direction thereof. The method includes a step of rolling the ring material that includes an operation of induction-heating the main roll by at least one induction heating element and rolling the ring material between the mandrel roll and the main roll, which is induction-heated.
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