SE9602374D0 - Förfarande och anordning för oförstörande klassificering - Google Patents
Förfarande och anordning för oförstörande klassificeringInfo
- Publication number
- SE9602374D0 SE9602374D0 SE9602374A SE9602374A SE9602374D0 SE 9602374 D0 SE9602374 D0 SE 9602374D0 SE 9602374 A SE9602374 A SE 9602374A SE 9602374 A SE9602374 A SE 9602374A SE 9602374 D0 SE9602374 D0 SE 9602374D0
- Authority
- SE
- Sweden
- Prior art keywords
- movable member
- conveyer
- engagement
- detector
- stroking body
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 3
- 230000001066 destructive effect Effects 0.000 title 1
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)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Pathology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Wood Science & Technology (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
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 |
AT97928616T ATE303588T1 (de) | 1996-06-17 | 1997-06-17 | Verfahren und vorrichtung zur zerstörungsfreien klassifikation |
US09/202,535 US6347542B1 (en) | 1996-06-17 | 1997-06-17 | Method and arrangement for non-destructive determination of the properties of an 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 |
PCT/SE1997/001090 WO1998001737A1 (en) | 1996-06-17 | 1997-06-17 | Method and arrangement for nondestructive classification |
CA002258514A CA2258514C (en) | 1996-06-17 | 1997-06-17 | Method and arrangement for nondestructive classification |
AU32824/97A AU720772B2 (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 |
DE69734106T DE69734106T2 (de) | 1996-06-17 | 1997-06-17 | Verfahren und anordnung zur zerstörungsfreien klassifikation |
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 true SE9602374D0 (sv) | 1996-06-17 |
SE9602374L SE9602374L (sv) | 1997-12-18 |
SE511602C2 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 (sv) |
EP (1) | EP0906560B1 (sv) |
JP (1) | JP4074664B2 (sv) |
AT (1) | ATE303588T1 (sv) |
AU (1) | AU720772B2 (sv) |
CA (1) | CA2258514C (sv) |
DE (1) | DE69734106T2 (sv) |
NZ (1) | NZ333450A (sv) |
SE (1) | SE511602C2 (sv) |
WO (1) | WO1998001737A1 (sv) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109682458A (zh) * | 2019-03-05 | 2019-04-26 | 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 |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6026689A (en) * | 1998-02-25 | 2000-02-22 | Weyerhaeuser Company | Log cutting optimization system |
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 |
US6769306B2 (en) | 1998-12-17 | 2004-08-03 | Carter Holt Harvey Limited | Log cutting procedures |
AU5672100A (en) * | 1999-05-11 | 2000-11-21 | Frank Rinn | Device for investigating materials |
CA2380988C (en) * | 1999-07-30 | 2009-01-06 | Carter Holt Harvey 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 |
US7043990B2 (en) * | 2001-01-31 | 2006-05-16 | 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 |
EP1744379A4 (en) * | 2004-04-27 | 2007-10-24 | Ngk Insulators Ltd | INVESTIGATION METHODS FOR ELASTIC BODIES, INVESTIGATION EQUIPMENT AND DIMENSION FORECASTING PROGRAM |
NZ536818A (en) * | 2004-11-24 | 2007-05-31 | Carter Holt Harvey Ltd | Tree stem or log appraising apparatus |
EA011414B1 (ru) * | 2005-07-15 | 2009-02-27 | А-Сорт Аб | Средства и способ классификации бревен |
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 |
MX2021006792A (es) | 2018-12-21 | 2021-07-16 | Tmd Friction Services Gmbh | Dispositivo y metodo para determinar propiedades mecanicas de un cuerpo de prueba. |
EP3914894A1 (en) * | 2019-01-25 | 2021-12-01 | Brookhuis Applied Technologies B.V. | Automated grading of elongated wooden objects |
EP4111164A1 (en) * | 2020-03-02 | 2023-01-04 | 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 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2102614A (en) | 1935-09-20 | 1937-12-21 | Howard H Couch | Method of producing and distinguishing frequency vibrations |
US2486984A (en) * | 1943-05-07 | 1949-11-01 | Carborundum Co | Vibration apparatus for testing articles |
CA918286A (en) | 1968-09-13 | 1973-01-02 | Washington State University Research Foundation | Non-destructive method of grading wood materials |
US4399701A (en) | 1980-06-03 | 1983-08-23 | Unisearch Limited | Method and means for detecting decay in wood |
US4446733A (en) | 1981-08-17 | 1984-05-08 | Design Professionals Financial Corporation | Stress control in solid materials |
US4926691A (en) | 1986-03-11 | 1990-05-22 | Powertech Labs, Inc. | Apparatus and method for testing wooden poles |
US4722223A (en) * | 1986-05-06 | 1988-02-02 | Her Majesty The Queen In Right Of The Province Of Alberta, As Represented By The Minister Of Energy & Natural Resources | Transverse vibration apparatus for grading wood panels |
GB8622731D0 (en) * | 1986-09-20 | 1986-10-29 | Bio Kil Chemicals Ltd | Testing timbers |
US4852029A (en) * | 1987-06-17 | 1989-07-25 | Accu-Tech Incorporated | Automated material classification apparatus and method |
CA1322282C (en) * | 1989-09-29 | 1993-09-21 | Wing-Cheong Lau | Non-destructive method and apparatus for checking the quality of manufactured wood panels |
US5207100A (en) | 1991-07-25 | 1993-05-04 | The United States Of America As Represented By The Secretary Of The Navy | Method and device for measuring underwater vehicle hull vibration |
US5255565A (en) | 1991-11-12 | 1993-10-26 | Vibra-Metrics, Inc. | Method and apparatus for monitoring multiple points on a vibrating structure |
US5533399A (en) * | 1992-09-30 | 1996-07-09 | Wayne State University | Method and apparatus for non-destructive measurement of elastic properties of structural materials |
US5515730A (en) * | 1992-11-23 | 1996-05-14 | British Aerospace Plc | Apparatus for detecting the amplitude, frequency or modes of vibration of a vibrating panel |
DE9315506U1 (de) * | 1993-10-13 | 1993-12-02 | Fagus-Grecon Greten Gmbh & Co Kg, 31061 Alfeld | Vorrichtung zur maschinellen Festigkeitssortierung von Schnittholz |
US5520052A (en) * | 1994-02-10 | 1996-05-28 | The United States Of America As Represented By The United States Department Of Energy | Method and apparatus for determining material structural integrity |
DE4427692A1 (de) * | 1994-08-04 | 1996-02-08 | Bayerische Motoren Werke Ag | Verfahren zum Bestimmen des Schwingungsverhaltens eines Körpers |
US5621172A (en) * | 1995-04-03 | 1997-04-15 | State Of Oregon Acting By And Through The State Board Of Higher Education On Behalf Of Oregon State University | Method and apparatus for testing material strengths |
-
1996
- 1996-06-17 SE SE9602374A patent/SE511602C2/sv not_active IP Right Cessation
-
1997
- 1997-06-17 AU AU32824/97A patent/AU720772B2/en not_active Ceased
- 1997-06-17 US US09/202,535 patent/US6347542B1/en not_active Expired - Lifetime
- 1997-06-17 JP JP50365198A patent/JP4074664B2/ja not_active Expired - Fee Related
- 1997-06-17 EP EP97928616A patent/EP0906560B1/en not_active Expired - Lifetime
- 1997-06-17 CA CA002258514A patent/CA2258514C/en not_active Expired - Lifetime
- 1997-06-17 DE DE69734106T patent/DE69734106T2/de not_active Expired - Lifetime
- 1997-06-17 WO PCT/SE1997/001090 patent/WO1998001737A1/en active IP Right Grant
- 1997-06-17 NZ NZ333450A patent/NZ333450A/xx not_active IP Right Cessation
- 1997-06-17 AT AT97928616T patent/ATE303588T1/de active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109682458A (zh) * | 2019-03-05 | 2019-04-26 | 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 |
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 |
Also Published As
Publication number | Publication date |
---|---|
CA2258514A1 (en) | 1998-01-15 |
DE69734106T2 (de) | 2006-03-16 |
AU3282497A (en) | 1998-02-02 |
JP2002511921A (ja) | 2002-04-16 |
DE69734106D1 (de) | 2005-10-06 |
AU720772B2 (en) | 2000-06-08 |
WO1998001737A1 (en) | 1998-01-15 |
SE511602C2 (sv) | 1999-10-25 |
JP4074664B2 (ja) | 2008-04-09 |
EP0906560B1 (en) | 2005-08-31 |
NZ333450A (en) | 2002-11-26 |
EP0906560A1 (en) | 1999-04-07 |
ATE303588T1 (de) | 2005-09-15 |
SE9602374L (sv) | 1997-12-18 |
US6347542B1 (en) | 2002-02-19 |
CA2258514C (en) | 2005-03-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |