公开(公告)号：US10882097B2

公开(公告)日：2021-01-05

申请号：US16297189

申请日：2019-03-08

Applicant: SMS group GmbH

Inventor： Felix Rodermund-Gebhart ,  Dirk Kalkhoff

IPC: B21H1/12 ,  B21H1/06

Abstract: In a ring-rolling machine having a mandrel roll and a related radial roll, the mandrel roll can be handled in operationally reliable and structurally simple manner if an axial bearing of the mandrel roll is opened by way of an opening drive that does not rotate along with the mandrel roll and/or is closed by inserting the mandrel roll into the axial bearing.

公开(公告)号：US10722933B2

公开(公告)日：2020-07-28

申请号：US15420370

申请日：2017-01-31

Applicant: SMS group GmbH

Inventor： Felix Rodermund-Gebhart ,  Dirk Kalkhoff

IPC: B21H1/12 ,  B21H1/06

Abstract: In a ring-rolling machine having a mandrel roll and a related radial roll, the mandrel roll can be handled in operationally reliable and structurally simple manner if an axial bearing of the mandrel roll is opened by way of an opening drive that does not rotate along with the mandrel roll and/or is closed by inserting the mandrel roll into the axial bearing.