SE511602C2 - Förfarande jämte anordning för oförstörande klassificering av företrädesvis långsträckta och/eller skivformade objekt - Google Patents

Förfarande jämte anordning för oförstörande klassificering av företrädesvis långsträckta och/eller skivformade objekt

Info

Publication number
SE511602C2
SE511602C2 SE9602374A SE9602374A SE511602C2 SE 511602 C2 SE511602 C2 SE 511602C2 SE 9602374 A SE9602374 A SE 9602374A SE 9602374 A SE9602374 A SE 9602374A SE 511602 C2 SE511602 C2 SE 511602C2
Authority
SE
Sweden
Prior art keywords
stiffness
basis
shock
unit
resonant frequencies
Prior art date
Application number
SE9602374A
Other languages
English (en)
Swedish (sv)
Other versions
SE9602374D0 (sv
SE9602374L (sv
Inventor
Daniel Larsson
Sven Ohlsson
Mikael Perstorper
Original Assignee
Dynalyse 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=20403025&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=SE511602(C2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Dynalyse Ab filed Critical Dynalyse Ab
Priority to SE9602374A priority Critical patent/SE511602C2/sv
Publication of SE9602374D0 publication Critical patent/SE9602374D0/xx
Priority to PCT/SE1997/001090 priority patent/WO1998001737A1/en
Priority to AU32824/97A priority patent/AU720772B2/en
Priority to DE69734106T priority patent/DE69734106T2/de
Priority to US09/202,535 priority patent/US6347542B1/en
Priority to AT97928616T priority patent/ATE303588T1/de
Priority to CA002258514A priority patent/CA2258514C/en
Priority to EP97928616A priority patent/EP0906560B1/en
Priority to JP50365198A priority patent/JP4074664B2/ja
Priority to NZ333450A priority patent/NZ333450A/xx
Publication of SE9602374L publication Critical patent/SE9602374L/xx
Publication of SE511602C2 publication Critical patent/SE511602C2/sv

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
    • G01N3/307—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated by a compressed or tensile-stressed spring; generated by pneumatic or hydraulic means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M7/00—Vibration-testing of structures; Shock-testing of structures
    • G01M7/08—Shock-testing
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04—Analysing solids
    • G01N29/045—Analysing solids by imparting shocks to the workpiece and detecting the vibrations or the acoustic waves caused by the shocks
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/46—Wood
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02—Details not specific for a particular testing method
    • G01N2203/06—Indicating or recording means; Sensing means
    • G01N2203/0617—Electrical or magnetic indicating, recording or sensing means
    • G01N2203/0623—Electrical or magnetic indicating, recording or sensing means using piezoelectric gauges
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/01—Indexing codes associated with the measuring variable
    • G01N2291/014—Resonance or resonant frequency
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/023—Solids
    • G01N2291/0238—Wood
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/04—Wave modes and trajectories
    • G01N2291/042—Wave modes
    • G01N2291/0427—Flexural waves, plate waves, e.g. Lamb waves, tuning fork, cantilever
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/26—Scanned objects
    • G01N2291/262—Linear objects
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/26—Scanned objects
    • G01N2291/263—Surfaces
    • G01N2291/2632—Surfaces flat

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Immunology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Acoustics & Sound (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
SE9602374A 1996-06-17 1996-06-17 Förfarande jämte anordning för oförstörande klassificering av företrädesvis långsträckta och/eller skivformade objekt SE511602C2 (sv)

Priority Applications (10)

Application Number Priority Date Filing Date Title
SE9602374A SE511602C2 (sv) 1996-06-17 1996-06-17 Förfarande jämte anordning för oförstörande klassificering av företrädesvis långsträckta och/eller skivformade objekt
NZ333450A NZ333450A (en) 1996-06-17 1997-06-17 Method and arrangement for nondestructive classification by measuring acoustic resonance frequencies of object
JP50365198A JP4074664B2 (ja) 1996-06-17 1997-06-17 非破壊分類のための方法および装置
DE69734106T DE69734106T2 (de) 1996-06-17 1997-06-17 Verfahren und anordnung zur zerstörungsfreien klassifikation
AU32824/97A AU720772B2 (en) 1996-06-17 1997-06-17 Method and arrangement for nondestructive classification
PCT/SE1997/001090 WO1998001737A1 (en) 1996-06-17 1997-06-17 Method and arrangement for nondestructive classification
US09/202,535 US6347542B1 (en) 1996-06-17 1997-06-17 Method and arrangement for non-destructive determination of the properties of an object
AT97928616T ATE303588T1 (de) 1996-06-17 1997-06-17 Verfahren und vorrichtung zur zerstörungsfreien klassifikation
CA002258514A CA2258514C (en) 1996-06-17 1997-06-17 Method and arrangement for nondestructive classification
EP97928616A EP0906560B1 (en) 1996-06-17 1997-06-17 Method and arrangement for nondestructive classification

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9602374A SE511602C2 (sv) 1996-06-17 1996-06-17 Förfarande jämte anordning för oförstörande klassificering av företrädesvis långsträckta och/eller skivformade objekt

Publications (3)

Publication Number Publication Date
SE9602374D0 SE9602374D0 (sv) 1996-06-17
SE9602374L SE9602374L (sv) 1997-12-18
SE511602C2 true SE511602C2 (sv) 1999-10-25

Family

ID=20403025

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9602374A SE511602C2 (sv) 1996-06-17 1996-06-17 Förfarande jämte anordning för oförstörande klassificering av företrädesvis långsträckta och/eller skivformade objekt

Country Status (10)

Country Link
US (1) US6347542B1 (enExample)
EP (1) EP0906560B1 (enExample)
JP (1) JP4074664B2 (enExample)
AT (1) ATE303588T1 (enExample)
AU (1) AU720772B2 (enExample)
CA (1) CA2258514C (enExample)
DE (1) DE69734106T2 (enExample)
NZ (1) NZ333450A (enExample)
SE (1) SE511602C2 (enExample)
WO (1) WO1998001737A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
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WO2007011296A1 (en) * 2005-07-15 2007-01-25 A-Sort Ab Means and method for classifying logs

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US6026689A (en) * 1998-02-25 2000-02-22 Weyerhaeuser Company Log cutting optimization system
US6769306B2 (en) 1998-12-17 2004-08-03 Carter Holt Harvey Limited Log cutting procedures
NZ333434A (en) * 1998-12-17 1999-10-28 Carter Holt Harvey Ltd Determining log length by passing ultrasonic signal through log, and using length information to determining cut positions
ES2209911T3 (es) * 1999-05-11 2004-07-01 Frank Rinn Dispositivo para el examen de materiales.
AU779834B2 (en) * 1999-07-30 2005-02-10 Fibre-Gen Instruments Limited Log testing apparatus
NZ503953A (en) * 2000-04-12 2002-12-20 Carter Holt Harvey Ltd Apparatus and method for estimating timber stiffness profiles of a log by determining the density profile of a cant
NZ505896A (en) * 2000-07-21 2003-05-30 Ind Res Ltd Method and apparatus for assessing or predicting characteristics of wood or other materials by varying frequency of acoustic transmitter and sensing a response
US6507798B1 (en) * 2000-10-12 2003-01-14 The United States Of America As Represented By The Secretary Of The Navy Time-frequency dependent damping via Hilbert damping spectrum
FR2820204B1 (fr) * 2001-01-29 2005-02-25 Casagrande Stephanie Delph Bos Procede d'evaluation et de controle non destructif de la qualite de panneaux
AU2002242023B2 (en) * 2001-01-31 2008-01-03 Board Of Control Of Michigan Technological University System for and method of performing evaluation techniques on a log or round timber
TW509782B (en) * 2001-11-20 2002-11-11 Taiwan Forestry Res Inst Nondestructive testing technique for wood stress wave
TWI225152B (en) * 2003-01-29 2004-12-11 Taiwan Forestry Res Inst Method for non-destructive stress wave testing of wood
US20040173031A1 (en) * 2003-03-06 2004-09-09 Shlomo Gicza Mass flow measurement
GB2403338B (en) * 2003-06-24 2005-11-23 Aicom Ltd Resonance and/or vibration measurement device
US7066007B2 (en) * 2003-10-17 2006-06-27 Eyerhaeuser Company Systems and methods for predicting the bending stiffness of wood products
US6990436B1 (en) * 2003-11-28 2006-01-24 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Computing frequency by using generalized zero-crossing applied to intrinsic mode functions
JP4885714B2 (ja) * 2004-04-27 2012-02-29 日本碍子株式会社 弾性体の検査方法、検査装置、及び寸法予測プログラム
NZ536818A (en) * 2004-11-24 2007-05-31 Carter Holt Harvey Ltd Tree stem or log appraising apparatus
US7430914B2 (en) * 2005-09-16 2008-10-07 Mitsui Babcock (Us) Llc Vibration analyzing device
US7676953B2 (en) * 2006-12-29 2010-03-16 Signature Control Systems, Inc. Calibration and metering methods for wood kiln moisture measurement
US20080295602A1 (en) * 2007-06-01 2008-12-04 Gavin Wallace Method and System for Sorting Green Lumber
JP4875589B2 (ja) * 2007-11-01 2012-02-15 本田技研工業株式会社 パネルの検査装置及び検査方法
US8566041B2 (en) * 2009-08-20 2013-10-22 United States Gypsum Company Method for determining structural parameters of composite building panels
US8204698B2 (en) * 2009-08-20 2012-06-19 United States Gypsum Company Method for determining structural parameters of composite building panels
IT1398908B1 (it) * 2010-03-03 2013-03-21 Microtec Srl Metodo ed apparecchiatura per la determinazione della frequenza propria di tavole di legno
US9068902B2 (en) * 2011-05-13 2015-06-30 Fisher Controls International Llc Methods and apparatus for evaluating vibration resistance of a component of a fluid control valve
EP2914959B1 (en) * 2012-11-01 2018-06-27 Rise Research Institutes Of Sweden Ab Method and system for automatic determination of timber quality in frozen or unfrozen condition
US9134212B2 (en) * 2013-07-08 2015-09-15 The Boeing Company Modal impact testing assembly, system and method
US9383341B2 (en) * 2013-10-29 2016-07-05 Metriguard Inc. Sonic lumber tester
EP3899486B1 (de) 2018-12-21 2022-07-20 TMD Friction Services GmbH Vorrichtung und verfahren zur ermittlung mechanischer eigenschaften eines prüfkörpers
WO2020153848A1 (en) * 2019-01-25 2020-07-30 Brookhuis Applied Technologies B.V. Automated grading of elongated wooden objects
CN109682458B (zh) * 2019-03-05 2024-05-10 重庆克来智能科技有限公司 一种检测机床及其用于检测零件固有频率的装置
AU2021231776A1 (en) * 2020-03-02 2022-10-27 Usnr, Llc Acoustic evaluation of wood properties
EP4227662A1 (en) * 2022-02-14 2023-08-16 GrindoSonic BV Improved positioning table for impact excitation measurements
FR3136857A1 (fr) * 2022-06-16 2023-12-22 Safran Ceramics Procede de mesure du module de rigidite axial d’une eprouvette en materiau composite a matrice ceramique

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007011296A1 (en) * 2005-07-15 2007-01-25 A-Sort Ab Means and method for classifying logs
EA011414B1 (ru) * 2005-07-15 2009-02-27 А-Сорт Аб Средства и способ классификации бревен

Also Published As

Publication number Publication date
CA2258514A1 (en) 1998-01-15
EP0906560B1 (en) 2005-08-31
AU720772B2 (en) 2000-06-08
US6347542B1 (en) 2002-02-19
NZ333450A (en) 2002-11-26
CA2258514C (en) 2005-03-29
DE69734106T2 (de) 2006-03-16
SE9602374D0 (sv) 1996-06-17
ATE303588T1 (de) 2005-09-15
DE69734106D1 (de) 2005-10-06
SE9602374L (sv) 1997-12-18
JP2002511921A (ja) 2002-04-16
EP0906560A1 (en) 1999-04-07
WO1998001737A1 (en) 1998-01-15
JP4074664B2 (ja) 2008-04-09
AU3282497A (en) 1998-02-02

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