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US20020023335A1 - Method for producing a bending-resistant, elongated body and an arrangement for a bending-resistant, elongated body - Google Patents

Method for producing a bending-resistant, elongated body and an arrangement for a bending-resistant, elongated body Download PDF

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Publication number
US20020023335A1
US20020023335A1 US09/445,450 US44545000A US2002023335A1 US 20020023335 A1 US20020023335 A1 US 20020023335A1 US 44545000 A US44545000 A US 44545000A US 2002023335 A1 US2002023335 A1 US 2002023335A1
Authority
US
United States
Prior art keywords
cavity
elongated
fibre composite
cavities
composite body
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.)
Abandoned
Application number
US09/445,450
Other languages
English (en)
Inventor
Ulf Jervant
Max Krogager
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.)
Megtec Systems Amal AB
Original Assignee
Amal AB
Megtec Systems Amal AB
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 Amal AB, Megtec Systems Amal AB filed Critical Amal AB
Assigned to AMAL AKTIEBOLAG reassignment AMAL AKTIEBOLAG ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: KROGAGER, MAX, JERVANT, ULF
Priority to US10/055,897 priority Critical patent/US6854171B2/en
Assigned to MEGTEC SYSTEMS AMAL AB reassignment MEGTEC SYSTEMS AMAL AB ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BALDWIN AMAL AB
Publication of US20020023335A1 publication Critical patent/US20020023335A1/en
Abandoned legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C13/00Rolls, drums, discs, or the like; Bearings or mountings therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H27/00Special constructions, e.g. surface features, of feed or guide rollers for webs
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21FPAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00Wet end of machines for making continuous webs of paper
    • D21F1/36Guiding mechanisms
    • D21F1/40Rolls
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21GCALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G1/00Calenders; Smoothing apparatus
    • D21G1/02Rolls; Their bearings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C3/00Shafts; Axles; Cranks; Eccentrics
    • F16C3/02Shafts; Axles
    • F16C3/026Shafts made of fibre reinforced resin
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2401/00Materials used for the handling apparatus or parts thereof; Properties thereof
    • B65H2401/10Materials
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00Parts for transporting or guiding the handled material
    • B65H2404/10Rollers
    • B65H2404/11Details of cross-section or profile
    • B65H2404/111Details of cross-section or profile shape
    • B65H2404/1116Polygonal cross-section
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00Parts for transporting or guiding the handled material
    • B65H2404/10Rollers
    • B65H2404/11Details of cross-section or profile
    • B65H2404/115Details of cross-section or profile other
    • B65H2404/1152Markings, patterns
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00Parts for transporting or guiding the handled material
    • B65H2404/10Rollers
    • B65H2404/13Details of longitudinal profile
    • B65H2404/137Means for varying longitudinal profiles
    • B65H2404/1372Means for varying longitudinal profiles anti-deflection
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49616Structural member making
    • Y10T29/49622Vehicular structural member making
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49616Structural member making
    • Y10T29/49623Static structure, e.g., a building component
    • Y10T29/49634Beam or girder
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49716Converting
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49801Shaping fiber or fibered material
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49826Assembling or joining
    • Y10T29/49863Assembling or joining with prestressing of part
    • Y10T29/49865Assembling or joining with prestressing of part by temperature differential [e.g., shrink fit]
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49826Assembling or joining
    • Y10T29/49885Assembling or joining with coating before or during assembling
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49826Assembling or joining
    • Y10T29/49906Metal deforming with nonmetallic bonding

Definitions

  • the present invention relates to a method for producing a bending-resistant, elongated body, preferably a shaft or beam, as indicated in the preamble to claim 1 .
  • the invention also relates to an arrangement for a bending-resistant, elongated body, preferably a shaft or beam, as indicated in the preamble to claim 7 .
  • shafts which serve inter alia as spindles for carrying paper reels.
  • These are now often manufactured as homogeneous or tubular aluminium or steel shafts, possibly with longitudinal circumferential recesses for air-activated clamping segments or the like. It is understood that a shaft of this kind can have a relatively great mass even in the case of comparatively short lengths, especially if the shaft is to carry large loads.
  • a shaft of this kind can also come to produce natural frequencies in the speed range which is relevant for this type of application and by doing so possibly limit the velocity of the paper web.
  • One aim of the present invention is therefore to provide a method for producing a bending-resistant, elongated body, preferably a shaft or beam, and an arrangement for a bending-resistant, elongated body, which method and which arrangement contribute to eliminating or at any rate reducing the aforementioned problems.
  • a method is achieved for producing a bending-resistant, elongated body, preferably a shaft or beam, as indicated in claim 1 .
  • a bending-resistant, elongated body can be produced, preferably a lightweight shaft or beam, the bending resistance of which is considerably increased and the natural frequency of which can be adapted to the current application.
  • FIG. 1 shows a first embodiment of a bending-resistant, elongated body according to the invention in the form of a shaft, in a section at right angles to its longitudinal axis.
  • FIG. 2 shows a second embodiment of a bending-resistant, elongated body according to the invention in the form of a beam, in a section at right angles to its longitudinal axis.
  • FIG. 1, 1 generally describes a bending-resistant, elongated body in the form of a circular shaft of the type which is suitable as a spindle in a paper making machine or the like, for example.
  • the circular shaft 1 has a number of circular cavities 2 , 2 a, extending essentially along the whole of its length, the inner surfaces of which, in a section at right angles to its longitudinal axis, are at a distance from the mass centre of the section.
  • One of these cavities 2 a is arranged concentrically around the mass centre of the section. In comparison with a homogeneous metal shaft, for example, the cavities considerably reduce the weight of the shaft.
  • Fibre composite bodies 3 , 3 a are applied to the cavities 2 , 2 a, preferably by gluing, which bodies have outer surfaces essentially congruent with the inner surfaces of the cavities 2 , 2 a, which outer surfaces due to the affixing are joined to the inner surfaces of the cavities by affixing.
  • the fibre composite bodies 3 , 3 a may be homogeneous, as in the cavities 2 lying circumferentially, or tubular, like the fibre composite body 3 a, which is affixed in the hollow 2 a arranged concentrically with the mass centre.
  • the majority of the fibres in the fibre composite bodies 3 , 3 a extend essentially parallel to the longitudinal axis of the shaft 1 and are elongated along the whole of its length.
  • the fibre composite bodies 3 , 3 a consist preferably of carbon fibre in an epoxide matrix, but other fibres and matrices with similar properties are naturally conceivable.
  • an epoxy-, acrylic-, polyurethane- or phenolic-resin based adhesive is used for gluing.
  • FIG. 2 1 generally describes a bending-resistant, elongated body in the form of a rectangular beam.
  • the rectangular beam 1 has a number of cavities 2 , 2 a extending essentially along its entire length, the inner surfaces of which cavities, in a section at right angles to its longitudinal axis, are at a distance from its mass centre.
  • one of these cavities 2 a is arranged concentrically around the mass centre.
  • the cavities 2 , 2 a as in the embodiment according to FIG.
  • fibre composite bodies 3 , 3 a are affixed, preferably by gluing, which bodies have outer surfaces essentially congruent with the inner surfaces of the cavities, which outer surfaces are joined by affixing to the inner surfaces of the cavities
  • the fibre composite bodies 3 , 3 a in all cavities are homogeneous in this embodiment.
  • the majority of the fibres extend essentially parallel to the longitudinal axis of the elongated body and are elongated along the whole of its length.
  • Bending-resistant, lightweight shafts and beams of an arbitrary cross-section can be produced by the invention
  • the bending resistance of these can be increased by arranging the inner surfaces of the cavities 2 , 2 a connecting to the outer surfaces of the fibre composite bodies 3 , 3 a at a greater distance from the mass centre and reduced in the reverse manner, seen in a section at right angles to the longitudinal axis of the shaft/beam.
  • the above may also be utilized to give the shafts/beams according to the invention the desired natural frequency.
  • the cavities 2 , 2 a In the case of rotating shafts, it is normally suitable for the cavities 2 , 2 a to be arranged with an equal pitch, symmetrically around the mass centre of the shaft seen in a section at right angles to its longitudinal axis, while in the case of a beam, varying bending resistance in different directions can be achieved through asymmetrical positioning of the cavities 2 , 2 a. Due to the fact that the fibre composite bodies 3 , 3 a are normally of a lower density than the material which is used for the elongated body, a basic reduction in weight is achieved compared with a homogeneous body of the same dimensions. To reduce the weight further, it is possible for certain applications to arrange further cavities 2 , 2 a, in which fibre composite bodies 3 , 3 a are not arranged.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Laminated Bodies (AREA)
  • Moulding By Coating Moulds (AREA)
  • Rod-Shaped Construction Members (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
  • Paper (AREA)
US09/445,450 1997-06-16 1998-06-15 Method for producing a bending-resistant, elongated body and an arrangement for a bending-resistant, elongated body Abandoned US20020023335A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US10/055,897 US6854171B2 (en) 1997-06-16 2002-01-28 Method for producing a bending-resistant, elongated body

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9702284-2 1997-06-16
SE9702284A SE511439C2 (sv) 1997-06-16 1997-06-16 Förfarande för åstadkommande av en böjstyv, långsträckt kropp samt en anordning vid en böjstyv, långsträckt kropp

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE1998/001144 A-371-Of-International WO1998058182A1 (fr) 1997-06-16 1998-06-15 Procede de production, et structure pour corps de forme allonge resistant a la flexion

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US10/055,897 Continuation US6854171B2 (en) 1997-06-16 2002-01-28 Method for producing a bending-resistant, elongated body

Publications (1)

Publication Number Publication Date
US20020023335A1 true US20020023335A1 (en) 2002-02-28

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Family Applications (2)

Application Number Title Priority Date Filing Date
US09/445,450 Abandoned US20020023335A1 (en) 1997-06-16 1998-06-15 Method for producing a bending-resistant, elongated body and an arrangement for a bending-resistant, elongated body
US10/055,897 Expired - Fee Related US6854171B2 (en) 1997-06-16 2002-01-28 Method for producing a bending-resistant, elongated body

Family Applications After (1)

Application Number Title Priority Date Filing Date
US10/055,897 Expired - Fee Related US6854171B2 (en) 1997-06-16 2002-01-28 Method for producing a bending-resistant, elongated body

Country Status (8)

Country Link
US (2) US20020023335A1 (fr)
EP (1) EP1027544B1 (fr)
JP (1) JP2002503325A (fr)
CN (1) CN1101898C (fr)
AU (1) AU7947898A (fr)
DE (1) DE69833374T2 (fr)
SE (1) SE511439C2 (fr)
WO (1) WO1998058182A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100166568A1 (en) * 2006-08-17 2010-07-01 Lin Sherman S Composite-Steel Hybrid Mast for Rotorcraft

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US6234912B1 (en) * 1999-09-07 2001-05-22 General Electric Company High-stiffness composite shaft
WO2003051632A1 (fr) * 2001-12-19 2003-06-26 Gallus Ferd. Rüesch AG Cylindre de pression sous forme de cylindre creux metallique
FR2882421A1 (fr) * 2005-02-22 2006-08-25 Freyssinet Internat Stup Soc P Procede de renforcement d'une structure tubulaire metallique et structure resultante
US20070117640A1 (en) * 2005-11-21 2007-05-24 Haka Raymond J Composite clutch shaft assembly
US20080148708A1 (en) * 2006-12-20 2008-06-26 General Electric Company Turbine engine system with shafts for improved weight and vibration characteristic

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100166568A1 (en) * 2006-08-17 2010-07-01 Lin Sherman S Composite-Steel Hybrid Mast for Rotorcraft
US7938628B2 (en) 2006-08-17 2011-05-10 Bell Helicopter Textron Inc. Composite-steel hybrid mast for rotorcraft

Also Published As

Publication number Publication date
SE9702284L (sv) 1998-12-17
CN1101898C (zh) 2003-02-19
WO1998058182A1 (fr) 1998-12-23
CN1260865A (zh) 2000-07-19
SE9702284D0 (sv) 1997-06-16
JP2002503325A (ja) 2002-01-29
US20020066173A1 (en) 2002-06-06
SE511439C2 (sv) 1999-09-27
US6854171B2 (en) 2005-02-15
EP1027544B1 (fr) 2006-02-01
DE69833374T2 (de) 2006-09-28
DE69833374D1 (de) 2006-04-13
EP1027544A1 (fr) 2000-08-16
AU7947898A (en) 1999-01-04

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Owner name: AMAL AKTIEBOLAG, SWEDEN

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Owner name: MEGTEC SYSTEMS AMAL AB, SWEDEN

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Effective date: 20010926

STCB Information on status: application discontinuation

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