SE0003900L - Method of cutting a log and a device for measuring a fiber angle - Google Patents

Method of cutting a log and a device for measuring a fiber angle

Info

Publication number
SE0003900L
SE0003900L SE0003900A SE0003900A SE0003900L SE 0003900 L SE0003900 L SE 0003900L SE 0003900 A SE0003900 A SE 0003900A SE 0003900 A SE0003900 A SE 0003900A SE 0003900 L SE0003900 L SE 0003900L
Authority
SE
Sweden
Prior art keywords
log
alpha
angle
cutting
measuring
Prior art date
Application number
SE0003900A
Other languages
Unknown language ( )
Swedish (sv)
Other versions
SE0003900D0 (en
SE520575C2 (en
Inventor
Robert Kliger
Nils Nilsson
Original Assignee
Pro Forma Gamma 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 Pro Forma Gamma Ab filed Critical Pro Forma Gamma Ab
Priority to SE0003900A priority Critical patent/SE520575C2/en
Publication of SE0003900D0 publication Critical patent/SE0003900D0/en
Priority to AU2002212880A priority patent/AU2002212880A1/en
Priority to PCT/SE2001/002347 priority patent/WO2002034485A1/en
Publication of SE0003900L publication Critical patent/SE0003900L/en
Publication of SE520575C2 publication Critical patent/SE520575C2/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B1/00—Methods for subdividing trunks or logs essentially involving sawing
    • B27B1/007—Methods for subdividing trunks or logs essentially involving sawing taking into account geometric properties of the trunks or logs to be sawn, e.g. curvature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D59/00—Accessories specially designed for sawing machines or sawing devices
    • B23D59/001—Measuring or control devices, e.g. for automatic control of work feed pressure on band saw blade

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)

Abstract

A method for sawing a log of wood (1), the encased fibres (1c) of which are twisted around the pith (1b) of the log and thus forms a fibre angle ( alpha ) with the pith (1b). The method comprises that the log (1) and the saw (6) are rotated relative to each other during the sawing with an angle of rotation of approximately 1 DEG -15 DEG per running meter in a direction against the fibre angle ( alpha ). Further, a device (10) arranged to measure the fibre angle ( alpha ) in the log (1) is comprised. The device comprises a body (11), a tip (12) journalled in relation to the body and arranged to be rotated by the fibres (1c) of the log when the log (2) is inserted, and a member (13) arranged to register and/or indicate the rotation of the tip (12).
SE0003900A 2000-10-25 2000-10-25 Method of cutting a log and a device for measuring a fiber angle SE520575C2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE0003900A SE520575C2 (en) 2000-10-25 2000-10-25 Method of cutting a log and a device for measuring a fiber angle
AU2002212880A AU2002212880A1 (en) 2000-10-25 2001-10-25 A method for sawing a log of wood and a device for measuring a fibre angle
PCT/SE2001/002347 WO2002034485A1 (en) 2000-10-25 2001-10-25 A method for sawing a log of wood and a device for measuring a fibre angle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0003900A SE520575C2 (en) 2000-10-25 2000-10-25 Method of cutting a log and a device for measuring a fiber angle

Publications (3)

Publication Number Publication Date
SE0003900D0 SE0003900D0 (en) 2000-10-25
SE0003900L true SE0003900L (en) 2002-04-26
SE520575C2 SE520575C2 (en) 2003-07-29

Family

ID=20281581

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0003900A SE520575C2 (en) 2000-10-25 2000-10-25 Method of cutting a log and a device for measuring a fiber angle

Country Status (3)

Country Link
AU (1) AU2002212880A1 (en)
SE (1) SE520575C2 (en)
WO (1) WO2002034485A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE537445C2 (en) 2013-08-07 2015-05-05 Mats Ekevad Curve saw with circular saw blade

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE434812B (en) * 1982-12-27 1984-08-20 Svenska Traeforskningsinst PROCEDURE FOR LOCKING IN THE LENGTH MOVEMENT OF A STOCK
US4606645A (en) * 1984-10-29 1986-08-19 Weyerhaeuser Company Method for determining localized fiber angle in a three dimensional fibrous material

Also Published As

Publication number Publication date
SE0003900D0 (en) 2000-10-25
AU2002212880A1 (en) 2002-05-06
WO2002034485A1 (en) 2002-05-02
SE520575C2 (en) 2003-07-29

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Legal Events

Date Code Title Description
NUG Patent has lapsed