EP1330573A1 - Verfahren und anordnung zum kalandrieren einer bahn mit langspaltkalander - Google Patents

Verfahren und anordnung zum kalandrieren einer bahn mit langspaltkalander

Info

Publication number
EP1330573A1
EP1330573A1 EP01969838A EP01969838A EP1330573A1 EP 1330573 A1 EP1330573 A1 EP 1330573A1 EP 01969838 A EP01969838 A EP 01969838A EP 01969838 A EP01969838 A EP 01969838A EP 1330573 A1 EP1330573 A1 EP 1330573A1
Authority
EP
European Patent Office
Prior art keywords
nip
roll
long
calendering
calender
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
EP01969838A
Other languages
English (en)
French (fr)
Other versions
EP1330573B1 (de
Inventor
Matti Lares
Mikko Tani
Kimmo Saharinen
Henri Vaittinen
Pekka Koivukunnas
Reijo PIETIKÄINEN
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Valmet Technologies Oy
Original Assignee
Metso Paper 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
Priority claimed from FI20002170A external-priority patent/FI108556B/fi
Application filed by Metso Paper Oy filed Critical Metso Paper Oy
Publication of EP1330573A1 publication Critical patent/EP1330573A1/de
Application granted granted Critical
Publication of EP1330573B1 publication Critical patent/EP1330573B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G1/00—Calenders; Smoothing apparatus
    • D21G1/006—Calenders; Smoothing apparatus with extended nips

Definitions

  • the invention also relates to a calender arrangement for calendering a material web, especially a paper or board web, the said arrangement comprising a long-nip calender, in which the backing roll of the long-nip roll is a heated, metal-surfaced roll, the rolls of which form a long nip between them, the length of which in the direction of travel of the web is within the range from approximately 10 mm to 500 mm.
  • the method relating to the invention is characterised in that as a long-nip roll is used a roll, the belt mantle of which is made of metal, at least as concerns its calendering, longitudinal, central area; that in the method, a nip pressure within the range from about 0.1 MPa to about 50 MPa is directed at the material web W, and that the surface temperature of the rolls before the nip N is adjusted to a value from about 60°C to about 350°C.
  • the nip pressure is preferably within the range from about 0.2 MPa to about 15 MPa, and the surface temperature is preferably within the range from about 120°C to about 300°C.
  • the calender arrangement relating to the invention is in turn characterised in that the belt mantle of the long-nip roll is made of metal, at least as concerns its calendering, longitudinal, central area.
  • Figure 1 shows a diagrammatic view of the long-nip calender arrangement relating to the invention, as seen from the end, and
  • Figure 3 shows a diagrammatic view of another embodiment of a belt mantle of a long-nip roll applicable to the calender arrangement relating to the invention, as seen from the end.
  • Figure 3 shows a solution in which a thin-walled metal cylinder 41 is fitted over the polymer belt 40 of a shoe roll 15, the cylinder being tightened in place by means of the internal air pressure of the roll.
  • the length of the cylinder 41 is the same as the width of the material web and it is not fixed to the end structures of the shoe roll, whereby loading causing fatigue in metal materials is avoided in the edge area of the shoe.
  • the surface temperature of the rolls before the nip IM is adjusted to a value from about 60°C to about 350°C, and preferably to a value from about 120°C to about 300°C, when the surface temperature used in conventional machine calendering is typically within the range from about 60°C to about 120°C.
  • the length of the nip N in the direction of travel of the material web is preferably within the range from about 10 mm to about 500 mm.
  • the surface roughness R a of both the steel belt 30 of the long-nip roll 15 and of the outer surface of the backing roll 11 is preferably less than 0.3 ⁇ m, whereby the material web W can be subjected to gloss treatment.
  • the solution relating to the invention is applicable to both on-line use and off-line use. It is conceivable to use the calender arrangement relating to the invention, for example, on the press section for drying the material web, for pre-calendering before the coating machine and for final calendering after the coating machine.

Landscapes

  • Paper (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Golf Clubs (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
EP01969838A 2000-10-02 2001-09-21 Verfahren und anordnung zum kalandrieren einer bahn mit langspaltkalander Expired - Lifetime EP1330573B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI20002170A FI108556B (fi) 2000-05-03 2000-10-02 Menetelmä materiaalirainan kalanteroimiseksi sekä menetelmän toteuttava kalanterijärjestely
FI20002170 2000-10-02
PCT/FI2001/000827 WO2002029159A1 (en) 2000-10-02 2001-09-21 Method and arrangement for calendering a web comprising a long-nip calender

Publications (2)

Publication Number Publication Date
EP1330573A1 true EP1330573A1 (de) 2003-07-30
EP1330573B1 EP1330573B1 (de) 2006-05-24

Family

ID=8559211

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01969838A Expired - Lifetime EP1330573B1 (de) 2000-10-02 2001-09-21 Verfahren und anordnung zum kalandrieren einer bahn mit langspaltkalander

Country Status (6)

Country Link
EP (1) EP1330573B1 (de)
JP (1) JP2004510897A (de)
AT (1) ATE327376T1 (de)
AU (1) AU2001289975A1 (de)
DE (1) DE60119956T2 (de)
WO (1) WO2002029159A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011007752A1 (de) 2011-04-20 2012-10-25 Voith Patent Gmbh Walze und Kalander mit dieser Walze

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI115731B (fi) * 2001-09-12 2005-06-30 Metso Paper Inc Menetelmä kuiturainan, erityisesti kartonkirainan valmistuksen yhteydessä ja konsepti kuiturainan, erityisesti kartongin valmistuksen yhteydessä
DE10232550C5 (de) * 2002-07-18 2013-02-07 Voith Patent Gmbh Vorrichtung und Verfahren zum Imprägnieren einer Papier- oder Kartonbahn
DE10239907A1 (de) * 2002-08-30 2004-03-18 Voith Paper Patent Gmbh Breitnipkalanderanordnung und Verfahren zum Satinieren einer Papier- oder Kartonbahn
FI120596B (fi) * 2003-03-07 2009-12-15 Metso Paper Inc Menetelmä paperin tai kartongin muokkaamiseksi
FI113881B (fi) * 2003-05-30 2004-06-30 Metso Paper Inc Hihnarakenne
DE10327673B4 (de) * 2003-06-20 2005-04-14 Voith Paper Patent Gmbh Verfahren zum Glätten einer Papier-oder Kartonbahn und Breitnip-Kalander
DE102004010894A1 (de) * 2004-03-06 2005-09-22 Voith Paper Patent Gmbh Verfahren und Vorrichtung zum Behandeln einer Bahn aus Papier oder Karton
DE102004062618A1 (de) 2004-12-24 2006-07-06 Voith Paper Patent Gmbh Glättanordnung
DE102006001021A1 (de) * 2006-01-07 2007-07-12 Voith Patent Gmbh Mattsatinage

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4204177C2 (de) * 1992-02-13 1995-07-06 Voith Gmbh J M Preßwalze
FI102305B1 (fi) * 1997-04-02 1998-11-13 Valmet Corp Kalanterointimenetelmä ja menetelmää soveltava kalanteri

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO0229159A1 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011007752A1 (de) 2011-04-20 2012-10-25 Voith Patent Gmbh Walze und Kalander mit dieser Walze
WO2012143246A1 (de) 2011-04-20 2012-10-26 Voith Patent Gmbh Walze und kalander mit dieser walze

Also Published As

Publication number Publication date
AU2001289975A1 (en) 2002-04-15
DE60119956T2 (de) 2007-05-24
JP2004510897A (ja) 2004-04-08
WO2002029159A1 (en) 2002-04-11
EP1330573B1 (de) 2006-05-24
DE60119956D1 (de) 2006-06-29
ATE327376T1 (de) 2006-06-15

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