Invention Grant
- Patent Title: Changing the effective contour of a running surface of a working roll during hot rolling of rolling stock in a roll stand to form a rolled strip
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Application No.: US17310246Application Date: 2020-01-13
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Publication No.: US11919059B2Publication Date: 2024-03-05
- Inventor: Johannes Dagner
- Applicant: Primetals Technologies Germany GmbH
- Applicant Address: DE Erlangen
- Assignee: PRIMETALS TECHNOLOGIES GERMANY GMBH
- Current Assignee: PRIMETALS TECHNOLOGIES GERMANY GMBH
- Current Assignee Address: DE
- Agency: OSTROLENK FABER LLP
- Priority: EP 153870 2019.01.28 EP 219974 2019.12.30
- International Application: PCT/EP2020/050684 2020.01.13
- International Announcement: WO2020/156787A 2020.08.06
- Date entered country: 2021-07-27
- Main IPC: B21B1/22
- IPC: B21B1/22 ; B21B13/14 ; B21B27/02

Abstract:
The present invention relates to a method and an apparatus for changing the effective contour of a running surface (8) of a working roller (3, 4) during the hot rolling of rolling stock in a roll stand (2) to form a rolled strip (1). The intention is to be able to change the contour of the running surface (8) during the hot rolling by means of the invention. This object is achieved according to the invention by the axial displacement of the working rollers (3, 4) in opposite directions by a displacement distance s, wherein s is greater or less than
Δ
r
tan
(
α
)
and Δr indicates the wear of the running surface (8) in the radial direction (R) and α indicates the pitch angle of the conical portion (7) of the respective working roller (3, 4).
Δ
r
tan
(
α
)
and Δr indicates the wear of the running surface (8) in the radial direction (R) and α indicates the pitch angle of the conical portion (7) of the respective working roller (3, 4).
Public/Granted literature
Information query
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