FI980813A - Method and apparatus for damping vibration of a pair of nip forming rollers in a paper or board machine - Google Patents

Method and apparatus for damping vibration of a pair of nip forming rollers in a paper or board machine Download PDF

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Publication number
FI980813A
FI980813A FI980813A FI980813A FI980813A FI 980813 A FI980813 A FI 980813A FI 980813 A FI980813 A FI 980813A FI 980813 A FI980813 A FI 980813A FI 980813 A FI980813 A FI 980813A
Authority
FI
Finland
Prior art keywords
paper
pair
forming rollers
nip forming
damping vibration
Prior art date
Application number
FI980813A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI110713B (en
FI980813A0 (en
Inventor
Jorma Koelioe
Erkki Leinonen
Original Assignee
Valmet Corp
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 Corp filed Critical Valmet Corp
Priority to FI980813A priority Critical patent/FI110713B/en
Publication of FI980813A0 publication Critical patent/FI980813A0/en
Priority to DE1999115848 priority patent/DE19915848A1/en
Publication of FI980813A publication Critical patent/FI980813A/en
Application granted granted Critical
Publication of FI110713B publication Critical patent/FI110713B/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G1/00—Calenders; Smoothing apparatus
    • D21G1/0073—Accessories for calenders
    • D21G1/008—Vibration-preventing or -eliminating devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F7/00—Vibration-dampers; Shock-absorbers
    • F16F7/02—Vibration-dampers; Shock-absorbers with relatively-rotatable friction surfaces that are pressed together

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Paper (AREA)
FI980813A 1998-04-09 1998-04-09 Damping device for damping vibration of a pair of rollers forming a nip in a paper or cardboard machine FI110713B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI980813A FI110713B (en) 1998-04-09 1998-04-09 Damping device for damping vibration of a pair of rollers forming a nip in a paper or cardboard machine
DE1999115848 DE19915848A1 (en) 1998-04-09 1999-04-08 Damper mechanism to absorb oscillations between paired rollers

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI980813A FI110713B (en) 1998-04-09 1998-04-09 Damping device for damping vibration of a pair of rollers forming a nip in a paper or cardboard machine
FI980813 1998-04-09

Publications (3)

Publication Number Publication Date
FI980813A0 FI980813A0 (en) 1998-04-09
FI980813A true FI980813A (en) 1999-10-10
FI110713B FI110713B (en) 2003-03-14

Family

ID=8551498

Family Applications (1)

Application Number Title Priority Date Filing Date
FI980813A FI110713B (en) 1998-04-09 1998-04-09 Damping device for damping vibration of a pair of rollers forming a nip in a paper or cardboard machine

Country Status (2)

Country Link
DE (1) DE19915848A1 (en)
FI (1) FI110713B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI123116B (en) * 2006-03-28 2012-11-15 Metso Paper Inc The control valve
DE102006058940B4 (en) * 2006-12-12 2008-10-02 Voith Patent Gmbh Method and device for damping vibrations
DE102008000305A1 (en) 2008-02-15 2009-08-20 Voith Patent Gmbh Roller e.g. central roller, for processing fibrous material web for calender, has damping element experiencing mechanical friction between inner wall and part of contact surface when vibrations of roller shell are produced during operation
DE102008048320A1 (en) 2008-09-22 2010-04-01 Ejot Gmbh & Co. Kg Rotary damper
FI121752B (en) * 2009-07-07 2011-03-31 Metso Paper Inc Apparatus and method for controlling the runnability of a fiber web handling nip

Also Published As

Publication number Publication date
DE19915848A1 (en) 1999-10-14
FI110713B (en) 2003-03-14
FI980813A0 (en) 1998-04-09

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