WO1999063154A1 - Shell for a nip roll - Google Patents
Shell for a nip roll Download PDFInfo
- Publication number
- WO1999063154A1 WO1999063154A1 PCT/FI1999/000439 FI9900439W WO9963154A1 WO 1999063154 A1 WO1999063154 A1 WO 1999063154A1 FI 9900439 W FI9900439 W FI 9900439W WO 9963154 A1 WO9963154 A1 WO 9963154A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- shell
- fibers
- composite
- depthwise
- nip roll
- Prior art date
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
- 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
- F16C13/02—Bearings
- F16C13/022—Bearings supporting a hollow roll mantle rotating with respect to a yoke or axle
- F16C13/024—Bearings supporting a hollow roll mantle rotating with respect to a yoke or axle adjustable for positioning, e.g. radial movable bearings for controlling the deflection along the length of the roll mantle
- F16C13/026—Bearings supporting a hollow roll mantle rotating with respect to a yoke or axle adjustable for positioning, e.g. radial movable bearings for controlling the deflection along the length of the roll mantle by fluid pressure
- F16C13/028—Bearings supporting a hollow roll mantle rotating with respect to a yoke or axle adjustable for positioning, e.g. radial movable bearings for controlling the deflection along the length of the roll mantle by fluid pressure with a plurality of supports along the length of the roll mantle, e.g. hydraulic jacks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/06—Fibrous reinforcements only
- B29C70/08—Fibrous reinforcements only comprising combinations of different forms of fibrous reinforcements incorporated in matrix material, forming one or more layers, and with or without non-reinforced layers
- B29C70/081—Combinations of fibres of continuous or substantial length and short fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/06—Fibrous reinforcements only
- B29C70/10—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres
- B29C70/16—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length
- B29C70/24—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length oriented in at least three directions forming a three dimensional structure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
- B31F1/20—Corrugating; Corrugating combined with laminating to other layers
- B31F1/24—Making webs in which the channel of each corrugation is transverse to the web feed
- B31F1/26—Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions
- B31F1/28—Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions combined with uniting the corrugated webs to flat webs ; Making double-faced corrugated cardboard
- B31F1/2845—Details, e.g. provisions for drying, moistening, pressing
- B31F1/2877—Pressing means for bringing facer sheet and corrugated webs into contact or keeping them in contact, e.g. rolls, belts
-
- 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
- D21G1/02—Rolls; Their bearings
- D21G1/0206—Controlled deflection rolls
- D21G1/0213—Controlled deflection rolls with deflection compensation means acting between the roller shell and its supporting member
- D21G1/022—Controlled deflection rolls with deflection compensation means acting between the roller shell and its supporting member the means using fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
Definitions
- the present invention relates to a composite shell for a nip roll in a paper/board or finishing or converting machine, comprising a plurality of fiber layers extending lengthwise and/or circumferentially of the shell.
- the invention relates also to a method for manufacturing a composite shell for a nip roll in a paper/board or finishing or converting machine, comprising a polymeric matrix material and a plurality of fiber layers extending lengthwise and/or circumferentially of the shell.
- the invention relates further to a method for manufacturing a composite shell (1 ) for a nip roll in a paper/board or finishing or converting machine, comprising reinforcing fibers and a matrix material of ceramics.
- the term composite refers to a structure which comprises reinforcing fibers, e.g. carbon, boric or glass fibers or mixtures thereof, and a matrix material which can be polymeric, ceramic or metallic.
- the ceramic material comprises various oxides and carbides, such as e.g. AI-, B-, Cr-, Ti-, Si-, Sn-, W-, Zn-, Zr-oxides and - carbides and mixtures thereof, as well as various nitrides, such as e.g. BN and Si 3 N 4 .
- a composite shell for a nip roll comprising a plurality of divergent fiber layers, is prior known in the field, e.g. from the patent publication FI 100264.
- the strength thereof has been attempted to be enhanced by different orientations of fibers constituting the fiber layers in the axial direction of the roll or in divergent directions along the circumference.
- One problem in conventional composite shells in connection with nip rolls is the exposure thereof to local bending stresses, resulting in problems in terms of strength. Such a local bending stress may lead e.g. to the peeling of fiber layers which constitute the composite shell.
- an object of the present invention is to provide such a nip roll shell which has an increased strength in the depthwise direction in addition to an axial and circumferential strength.
- a nip roll composite shell of the invention is characterized in that the shell is provided with means, extending at least partially in its depthwise direction and existing within the shell material and providing a depthwise reinforcement for the shell.
- a method of the invention for manufacturing a composite shell for a nip roll, comprising a polymeric matrix material and a plurality of fiber layers extending essentially lengthwise and/or circumferentially of the shell, is characterized in that the fibers used in the method for building the fiber layers are dipped in a resin admixed with short fibers, which in a finished shell provide the shell with an increased depthwise strength.
- a method according to another aspect of the invention for manufacturing a composite shell for a nip roll in a paper/board or finishing machine, comprising reinforcing fibers and a substantially integral matrix material of ceramics is in turn characterized in that the method involves first the manufacturing of a three-dimensional fiber structure affording an added depthwise strength and the matrix material is introduced by thermal processes, such as a thermal injection, as a plasma vapour into the fiber structure for producing an integral matrix.
- fig. 1 shows a nip roll in a schematic sectional view
- figs. 2-5 show a few exemplary embodiments for a nip roll shell of the invention in cross-sectionally taken schematic partial views.
- Fig. 1 depicts one embodiment for a nip roll 10, wherein a stationary central axle 12 is provided with loading shoes 11 loading a shell 1 in the nip direction.
- the shell is made of a composite material.
- Fig. 2 shows in a cross-sectionally taken enlarged partial view a composite shell 1 constructed in a normal fashion from continuous-strand reinforcing fibers 3, e.g. carbon fibers, and a polymeric matrix material, in the manufacture of which the resin used for bonding the reinforcing fibers 3 is admixed with short fibers 2, at least some of which extend, as far as a finished shell is concerned, depthwise of the shell providing an added depthwise strength for the shell wall.
- the fibers 3 used for fabricating the fiber layers are dipped in a resin, e.g. epoxy resin, which is admixed with short fibers, e.g. carbon fibers, whereby, after the resin is set, said short fibers provide an increased depthwise strength for the finished shell.
- a resin e.g. epoxy resin
- Fig. 3 shows a cross-sectionally taken enlarged partial view of a nip roll composite shell 1 , including lengthwise fibers 5, transverse fibers 3, and rectangularly waving fibers 4, bonding the discussed lengthwise and transverse fibers and building a three-dimensional fiber structure and extending at least principally in the depthwise direction of the wall of the shell 1 (an arrow S).
- Figs. 4-5 show a cross-sectionally taken enlarged partial view of a nip roll composite shell 1 , including lengthwise fibers 5 and fibers 4, constituting together with the discussed lengthwise fibers a three-dimensional fiber structure and extending in a wavelike or serrated pattern and being placed at least partially in the depthwise direction of the shell 1.
- the wavelike or serrated fibers 4 provide a finished shell with a strength depthwise of the shell after the setting of a resin or a ceramic material used for bonding the fibers.
- the reinforced fiber structure is first formed e.g. on top of a mould and the matrix is introduced by thermal processes, such as a thermal injection, as a plasma vapour into the fiber structure for producing an integral matrix and resulting in a so-called ceramic composite.
- the term "at least partially depthwise of the shell” refers to the direction which extends through the wall of a shell in the radial direction of a roll, the arrow S in figs. 3-5, or diagonally relative thereto.
- a composite structure described above in reference to figs. 2-5 are also conceivable to be implemented as various combinations thereof, wherein the depthwise dimension of a shell comprises layers of various composite structures.
- One such combination can be for example a base layer wound from continuous-strand reinforcing fibers, having its inner and/or outer surface provided with a three-dimensional fiber structure.
- various matrix materials in various depthwise locations of a shell, whereby, for example, the layer constituting the inner surface can be provided with a polymeric matrix material and the layer constituting the outer surface with a ceramic material.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- General Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Laminated Bodies (AREA)
- Paper (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE29923926U DE29923926U1 (en) | 1998-06-02 | 1999-05-21 | Jacket for a squeeze roller |
AU42684/99A AU4268499A (en) | 1998-06-02 | 1999-05-21 | Shell for a nip roll |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI981240A FI103740B (en) | 1998-06-02 | 1998-06-02 | Nipple roll diaper |
FI981240 | 1998-06-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999063154A1 true WO1999063154A1 (en) | 1999-12-09 |
Family
ID=8551876
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FI1999/000439 WO1999063154A1 (en) | 1998-06-02 | 1999-05-21 | Shell for a nip roll |
Country Status (4)
Country | Link |
---|---|
AU (1) | AU4268499A (en) |
DE (1) | DE29923926U1 (en) |
FI (1) | FI103740B (en) |
WO (1) | WO1999063154A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1057929A2 (en) * | 1999-06-02 | 2000-12-06 | Voith Sulzer Papiertechnik Patent GmbH | Soft roll and process for making such a roll |
WO2001016424A1 (en) * | 1999-08-27 | 2001-03-08 | Metso Paper, Inc. | Shoe roll |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008035540A1 (en) * | 2008-07-30 | 2010-02-04 | Voith Patent Gmbh | Press roller arrangement for use during smoothing of fibrous material webs, has supporting elements supplied with pressure fluid by hydraulic pump unit, where large part of elements is subjected with pressure by pump unit |
DE102013216437A1 (en) * | 2013-08-20 | 2015-02-26 | Voith Patent Gmbh | Use of fiber-ceramic composites in the paper machine |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3707752A (en) * | 1970-10-28 | 1973-01-02 | Beloit Corp | Roll covering |
US3788935A (en) * | 1970-05-27 | 1974-01-29 | Gen Technologies Corp | High shear-strength fiber-reinforced composite body |
US4368568A (en) * | 1979-08-10 | 1983-01-18 | Yamauchi Rubber Industry Co., Ltd. | Elastomeric material covered rolls and a method of making the same |
US4472541A (en) * | 1982-10-01 | 1984-09-18 | The Bendix Corporation | Secondary matrix reinforcement using carbon microfibers |
EP0358804A1 (en) * | 1987-02-25 | 1990-03-21 | General Electric Company | RF plasma method of forming multilayer reinforced composites |
EP0363887A2 (en) * | 1988-10-11 | 1990-04-18 | Mitsubishi Rayon Co., Ltd. | Roll formed of carbon fiber composite material |
EP0433507A1 (en) * | 1987-10-29 | 1991-06-26 | Exxon Research And Engineering Company | Producing isotropically reinforced net-shape microcomposites |
US5153057A (en) * | 1989-02-15 | 1992-10-06 | Technical Ceramics Laboratories, Inc. | Shaped bodies containing short inorganic fibers or whiskers within a metal matrix |
US5188776A (en) * | 1988-08-15 | 1993-02-23 | Exxon Research And Engineering Company | Ceramic microtubular materials and method of making same |
FR2692829A1 (en) * | 1992-06-29 | 1993-12-31 | Aerospatiale | Fabrication of a component from a composite material - with an intermetallic matrix possessing a low temperature eutectic or peritectic reaction |
WO1994009208A1 (en) * | 1992-10-16 | 1994-04-28 | Beloit Technologies, Inc. | A method of manufacturing a cover for a press roll |
-
1998
- 1998-06-02 FI FI981240A patent/FI103740B/en active
-
1999
- 1999-05-21 DE DE29923926U patent/DE29923926U1/en not_active Expired - Lifetime
- 1999-05-21 AU AU42684/99A patent/AU4268499A/en not_active Abandoned
- 1999-05-21 WO PCT/FI1999/000439 patent/WO1999063154A1/en active Application Filing
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3788935A (en) * | 1970-05-27 | 1974-01-29 | Gen Technologies Corp | High shear-strength fiber-reinforced composite body |
US3707752A (en) * | 1970-10-28 | 1973-01-02 | Beloit Corp | Roll covering |
US4368568A (en) * | 1979-08-10 | 1983-01-18 | Yamauchi Rubber Industry Co., Ltd. | Elastomeric material covered rolls and a method of making the same |
US4472541A (en) * | 1982-10-01 | 1984-09-18 | The Bendix Corporation | Secondary matrix reinforcement using carbon microfibers |
EP0358804A1 (en) * | 1987-02-25 | 1990-03-21 | General Electric Company | RF plasma method of forming multilayer reinforced composites |
EP0433507A1 (en) * | 1987-10-29 | 1991-06-26 | Exxon Research And Engineering Company | Producing isotropically reinforced net-shape microcomposites |
US5188776A (en) * | 1988-08-15 | 1993-02-23 | Exxon Research And Engineering Company | Ceramic microtubular materials and method of making same |
EP0363887A2 (en) * | 1988-10-11 | 1990-04-18 | Mitsubishi Rayon Co., Ltd. | Roll formed of carbon fiber composite material |
US5153057A (en) * | 1989-02-15 | 1992-10-06 | Technical Ceramics Laboratories, Inc. | Shaped bodies containing short inorganic fibers or whiskers within a metal matrix |
FR2692829A1 (en) * | 1992-06-29 | 1993-12-31 | Aerospatiale | Fabrication of a component from a composite material - with an intermetallic matrix possessing a low temperature eutectic or peritectic reaction |
WO1994009208A1 (en) * | 1992-10-16 | 1994-04-28 | Beloit Technologies, Inc. | A method of manufacturing a cover for a press roll |
Non-Patent Citations (2)
Title |
---|
JP 1136940 A (UBE IND LTD) 28-08-1989 (online) (retrieved on 03-11-1999). Retrieved from: EPO PAJ Database. * |
JP 1136940 A (UBE IND LTD) 30-05-1989 World Patents Index (online). London, U.K.: Derwent Publications, Ltd. (retrieved on 03-11-1999). Retrieved from: EPO WPI Database. DW198927, Accession No. 1989-197720. * |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1057929A2 (en) * | 1999-06-02 | 2000-12-06 | Voith Sulzer Papiertechnik Patent GmbH | Soft roll and process for making such a roll |
EP1057929A3 (en) * | 1999-06-02 | 2001-11-21 | Voith Paper Patent GmbH | Soft roll and process for making such a roll |
US6520897B1 (en) | 1999-06-02 | 2003-02-18 | Voith Sulzer Papiertechnik Patent Gmbh | Resilient roll and process for producing such a roll |
WO2001016424A1 (en) * | 1999-08-27 | 2001-03-08 | Metso Paper, Inc. | Shoe roll |
US6997106B1 (en) | 1999-08-27 | 2006-02-14 | Metso Paper, Inc. | Shoe roll |
Also Published As
Publication number | Publication date |
---|---|
FI981240A (en) | 1999-08-31 |
DE29923926U1 (en) | 2001-06-21 |
FI103740B1 (en) | 1999-08-31 |
FI103740B (en) | 1999-08-31 |
AU4268499A (en) | 1999-12-20 |
FI981240A0 (en) | 1998-06-02 |
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