SE547747C2 - A method for manufacturing a yankee drying cylinder and such yankee drying cylinder - Google Patents

A method for manufacturing a yankee drying cylinder and such yankee drying cylinder

Info

Publication number
SE547747C2
SE547747C2 SE2430453A SE2430453A SE547747C2 SE 547747 C2 SE547747 C2 SE 547747C2 SE 2430453 A SE2430453 A SE 2430453A SE 2430453 A SE2430453 A SE 2430453A SE 547747 C2 SE547747 C2 SE 547747C2
Authority
SE
Sweden
Prior art keywords
drying cylinder
yankee drying
external surface
manufacturing
cylinder
Prior art date
Application number
SE2430453A
Other versions
SE2430453A1 (en
Inventor
Anders Ottosson
Erik Wedin
Hans Ivarsson
Karl-Johan Tolfsson
Original Assignee
Valmet Oy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Valmet Oy filed Critical Valmet Oy
Priority to SE2430453A priority Critical patent/SE547747C2/en
Publication of SE2430453A1 publication Critical patent/SE2430453A1/en
Publication of SE547747C2 publication Critical patent/SE547747C2/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F5/00—Dryer section of machines for making continuous webs of paper
    • D21F5/18—Drying webs by hot air
    • D21F5/181—Drying webs by hot air on Yankee cylinder
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F5/00—Dryer section of machines for making continuous webs of paper
    • D21F5/02—Drying on cylinders
    • D21F5/021—Construction of the cylinders

Landscapes

  • Paper (AREA)

Abstract

The invention relates to a method for manufacturing a Yankee drying cylinder (1). The method may comprise providing (S1) a design of an external surface (7) of a portion (2a) of a shell (2) of the cylinder (1), wherein, in a cross-section which coincides with a rotational axis (RA) of the cylinder (1), a contour (C7) of the external surface (7) is a crown contour. The method may comprise providing (S2) a design of an internal surface of said portion (2a), which presents a plurality of circumferential grooves (3). In said cross-section, a maximum difference of the radial distance (DB) from the external surface (7) to the bottoms of the grooves (3), is less than a maximum difference (MD) of the radial distance from the rotational axis to said external surface (7). The shell may be machined (S3) internally, using the design of the internal surface (6a) as a model.
SE2430453A 2024-09-09 2024-09-09 A method for manufacturing a yankee drying cylinder and such yankee drying cylinder SE547747C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE2430453A SE547747C2 (en) 2024-09-09 2024-09-09 A method for manufacturing a yankee drying cylinder and such yankee drying cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE2430453A SE547747C2 (en) 2024-09-09 2024-09-09 A method for manufacturing a yankee drying cylinder and such yankee drying cylinder

Publications (2)

Publication Number Publication Date
SE2430453A1 SE2430453A1 (en) 2025-11-18
SE547747C2 true SE547747C2 (en) 2025-11-18

Family

ID=96945027

Family Applications (1)

Application Number Title Priority Date Filing Date
SE2430453A SE547747C2 (en) 2024-09-09 2024-09-09 A method for manufacturing a yankee drying cylinder and such yankee drying cylinder

Country Status (1)

Country Link
SE (1) SE547747C2 (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150240420A1 (en) * 2012-11-13 2015-08-27 Valmet Aktiebolag Steel-made yankee cylinder
WO2017171602A1 (en) * 2016-03-31 2017-10-05 Valmet Aktiebolag A yankee drying cylinder for drying a fibrous web and a method of making a yankee drying cylinder
US20180179705A1 (en) * 2015-06-23 2018-06-28 A. Celli Paper S.P.A. Method for assembling an improved yankee cylinder
WO2019219267A1 (en) * 2018-05-17 2019-11-21 Valmet Aktiebolag Yankee drying cylinder and method for producing a yankee drying cylinder
US10519600B2 (en) * 2015-03-18 2019-12-31 A. Celli Paper S.P.A. Yankee dryer cylinder with improved internal geometry
US20230119888A1 (en) * 2019-12-18 2023-04-20 Andritz China Ltd Workpiece of yankee cylinder section and process for manufacturing a yankee cylinder

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150240420A1 (en) * 2012-11-13 2015-08-27 Valmet Aktiebolag Steel-made yankee cylinder
US10519600B2 (en) * 2015-03-18 2019-12-31 A. Celli Paper S.P.A. Yankee dryer cylinder with improved internal geometry
US20180179705A1 (en) * 2015-06-23 2018-06-28 A. Celli Paper S.P.A. Method for assembling an improved yankee cylinder
WO2017171602A1 (en) * 2016-03-31 2017-10-05 Valmet Aktiebolag A yankee drying cylinder for drying a fibrous web and a method of making a yankee drying cylinder
WO2019219267A1 (en) * 2018-05-17 2019-11-21 Valmet Aktiebolag Yankee drying cylinder and method for producing a yankee drying cylinder
US20230119888A1 (en) * 2019-12-18 2023-04-20 Andritz China Ltd Workpiece of yankee cylinder section and process for manufacturing a yankee cylinder

Also Published As

Publication number Publication date
SE2430453A1 (en) 2025-11-18

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