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WO2008003820A3 - Method and device for damping roll vibration - Google Patents

Method and device for damping roll vibration Download PDF

Info

Publication number
WO2008003820A3
WO2008003820A3 PCT/FI2007/000188 FI2007000188W WO2008003820A3 WO 2008003820 A3 WO2008003820 A3 WO 2008003820A3 FI 2007000188 W FI2007000188 W FI 2007000188W WO 2008003820 A3 WO2008003820 A3 WO 2008003820A3
Authority
WO
WIPO (PCT)
Prior art keywords
frequency
roll vibration
vibration
fibrous web
damped
Prior art date
Application number
PCT/FI2007/000188
Other languages
French (fr)
Other versions
WO2008003820A2 (en
Inventor
Marko Jorkama
Timo Virtanen
Original Assignee
Metso Paper Inc
Marko Jorkama
Timo Virtanen
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 Metso Paper Inc, Marko Jorkama, Timo Virtanen filed Critical Metso Paper Inc
Priority to DE112007001589T priority Critical patent/DE112007001589T5/en
Priority to ATA9299/2007A priority patent/AT506025B1/en
Publication of WO2008003820A2 publication Critical patent/WO2008003820A2/en
Publication of WO2008003820A3 publication Critical patent/WO2008003820A3/en

Links

Classifications

    • 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
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H20/00—Advancing webs
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F3/00—Press section of machines for making continuous webs of paper
    • D21F3/02—Wet presses
    • D21F3/08—Pressure rolls
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C13/00—Rolls, drums, discs, or the like; Bearings or mountings therefor
    • 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
    • F16F7/10—Vibration-dampers; Shock-absorbers using inertia effect
    • F16F7/1005—Vibration-dampers; Shock-absorbers using inertia effect characterised by active control of the mass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2601/00—Problem to be solved or advantage achieved
    • B65H2601/50—Diminishing, minimizing or reducing
    • B65H2601/52—Diminishing, minimizing or reducing entities relating to handling machine
    • B65H2601/524—Vibration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/17—Nature of material
    • B65H2701/177—Fibrous or compressible material

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Paper (AREA)
  • Vibration Prevention Devices (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)

Abstract

The vibrating device is configured to vibrate at a frequency that corresponds to a desired vibration frequency to be damped of the primary system (120, 220), such as a barring frequency, so that the vibrations in question can be controlled with delayed resonator -based control circuits for damping roll vibration of a fibrous web machine. Roll vibration can thus be significantly damped in the primary system of a fibrous web machine. The roll vibration reduction can be automatic or self-adjusting, and thus manual control is not necessarily required. Furthermore, relatively accurate roll vibration reduction is possible, i.e. the frequency of the so-called counter vibrator accurately compensates the harmful vibration of the actual primary vibrator.
PCT/FI2007/000188 2006-07-05 2007-07-05 Method and device for damping roll vibration WO2008003820A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE112007001589T DE112007001589T5 (en) 2006-07-05 2007-07-05 Method and device for damping roll vibrations
ATA9299/2007A AT506025B1 (en) 2006-07-05 2007-07-05 METHOD AND DEVICE FOR VIBRATING ROLLING VIBRATIONS

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20060653A FI118741B (en) 2006-07-05 2006-07-05 Method of damping roll oscillation and apparatus for damping roll oscillation
FI20060653 2006-07-05

Publications (2)

Publication Number Publication Date
WO2008003820A2 WO2008003820A2 (en) 2008-01-10
WO2008003820A3 true WO2008003820A3 (en) 2008-02-28

Family

ID=36758261

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FI2007/000188 WO2008003820A2 (en) 2006-07-05 2007-07-05 Method and device for damping roll vibration

Country Status (4)

Country Link
AT (1) AT506025B1 (en)
DE (1) DE112007001589T5 (en)
FI (1) FI118741B (en)
WO (1) WO2008003820A2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI20095277A (en) 2009-03-18 2010-09-19 Metso Paper Inc Roll arrangement in a fiber web machine and method for attenuating the vibrations of a roller in a fiber web machine
CN102494071B (en) * 2011-11-15 2013-12-11 江苏大学 Passive vibration isolation system for dampers of ceilings and sheds
EP2754750A1 (en) * 2013-01-11 2014-07-16 Valmet Technologies, Inc. Arrangement for controlling vibrations in a fiber web machine and a linear motion amplifier

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5431261A (en) * 1994-05-12 1995-07-11 University Of Connecticut Delayed resonators as active dynamic absorbers
EP1015685A1 (en) * 1997-01-07 2000-07-05 Ecopump Oy Method for controlling consistency of papermaking pulp

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19605416B4 (en) 1996-02-14 2004-05-13 Schröder, Dierk, Prof. Dr.-Ing. Dr.-Ing. h.c. Linear active resonator (LAR)
FI101320B (en) 1997-04-30 1998-05-29 Valmet Corp Method and apparatus for damping vibration in a paper machine or paper finisher
DE69900935D1 (en) 1998-12-18 2002-04-04 Unilever Nv brewing system
DE10204763A1 (en) 2002-02-05 2003-08-14 Kuesters Eduard Maschf Method for actively damping vibrations in a device for processing a running web, device suitable for carrying out this method and roller suitable for use in this device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5431261A (en) * 1994-05-12 1995-07-11 University Of Connecticut Delayed resonators as active dynamic absorbers
EP1015685A1 (en) * 1997-01-07 2000-07-05 Ecopump Oy Method for controlling consistency of papermaking pulp

Also Published As

Publication number Publication date
FI20060653A0 (en) 2006-07-05
WO2008003820A2 (en) 2008-01-10
AT506025A3 (en) 2013-02-15
DE112007001589T5 (en) 2009-05-20
AT506025B1 (en) 2013-04-15
FI118741B (en) 2008-02-29
AT506025A2 (en) 2009-05-15
FI20060653A (en) 2008-01-06

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