JPH11512532A - 細長い部材の軸線方向荷重を決定する方法 - Google Patents
細長い部材の軸線方向荷重を決定する方法Info
- Publication number
- JPH11512532A JPH11512532A JP9512651A JP51265197A JPH11512532A JP H11512532 A JPH11512532 A JP H11512532A JP 9512651 A JP9512651 A JP 9512651A JP 51265197 A JP51265197 A JP 51265197A JP H11512532 A JPH11512532 A JP H11512532A
- Authority
- JP
- Japan
- Prior art keywords
- load
- longitudinal
- ultrasonic
- elongate member
- propagation time
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 claims abstract description 20
- 238000005259 measurement Methods 0.000 claims abstract description 9
- 238000002604 ultrasonography Methods 0.000 claims description 5
- 238000010008 shearing Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/24—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for determining value of torque or twisting moment for tightening a nut or other member which is similarly stressed
- G01L5/246—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for determining value of torque or twisting moment for tightening a nut or other member which is similarly stressed using acoustic waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/25—Measuring force or stress, in general using wave or particle radiation, e.g. X-rays, microwaves, neutrons
- G01L1/255—Measuring force or stress, in general using wave or particle radiation, e.g. X-rays, microwaves, neutrons using acoustic waves, or acoustic emission
-
- 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
- G01N29/07—Analysing solids by measuring propagation velocity or propagation time of acoustic waves
-
- 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
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/227—Details, e.g. general constructional or apparatus details related to high pressure, tension or stress conditions
-
- 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
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/32—Arrangements for suppressing undesired influences, e.g. temperature or pressure variations, compensating for signal noise
- G01N29/323—Arrangements for suppressing undesired influences, e.g. temperature or pressure variations, compensating for signal noise compensating for pressure or tension variations
-
- 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
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/32—Arrangements for suppressing undesired influences, e.g. temperature or pressure variations, compensating for signal noise
- G01N29/326—Arrangements for suppressing undesired influences, e.g. temperature or pressure variations, compensating for signal noise compensating for temperature variations
-
- 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
- G01N2291/011—Velocity or travel time
-
- 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
- G01N2291/028—Material parameters
- G01N2291/02827—Elastic parameters, strength or force
-
- 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
- G01N2291/269—Various geometry objects
- G01N2291/2691—Bolts, screws, heads
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Acoustics & Sound (AREA)
- Toxicology (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.無負荷状態の下、その時の温度で細長い部材の一端において長手方向及び幅 方向から超音波を導入するステップ、 前記無負荷時の細長い部材を通過する前記長手方向及び幅方向にからの超音波 の伝播時間を個別に測定し、前記細長い部材の物理的データ及び前記長手方向及 び幅方向の超音波の伝播時間の測定値から前記細長い部材の公称長さを計算する ステップ、 実際の負荷状態の下で測定された前記伝播時間を前記無負荷状態の下で測定さ れた前記伝播時間と比較しながら、実際の負荷状態の下で、前記細長い部材に長 手方向及び幅方向超音波を導入するステップ、そして、 なる式により、前記無負荷測定の場合と実際の負荷測定の場合との間の、前記細 長い部材において発生する全ての温度差の影響を考慮に入れながら、超音波伝播 時間の差から前記細長い部材の実際の負荷を決定するステップ により構成される、物理的データが記録されている前記細長い部材の軸線方向 における荷重を決定する方法。(ただしVL0は温度T0における長手方向の超音 波の速度である。 VS0は温度T0における幅方向(剪断)の超音波の速 度である。 KSTは温度変化による幅方向の超音波の伝播時間の相対変化である。 KLTは温度変化による長手方向の超音波の伝播時間の相対変化である。 KSLは引張荷重の変化による幅方向の超音波の伝播時間の相対変化である。 KLLは引張荷重の変化による長手方向の超音波の伝播時間の相対変化である。 tSLは実際の負荷状態における幅方向の超音波の伝播時間である。 tLLは実際の負荷状態における長手方向の超音波の伝播時間である。 l0は温度T0での無負荷状態における細長い部材の長さである。) 2.前記幅方向及び長手方向の超音波は細長い部材の一端の表面に永久に取り付 けられている超音波トランスジューサにより前記細長い部材に導入されることを 特徴とする請求の範囲第1項に記載された方法。 3.超音波トランスジューサは一方では前記幅方向及び長手方向の超音波を導入 するために前記ねじに結合し、他方では締付け中の前記ねじの実際の荷重を決定 するための手段を含むねじ締付け工具の電子操作制御ユニットに結合しているこ とを特徴とするねじ継手のねじの軸線方向の荷重を決定するための請求の範囲第 1項に記載さ れた方法。 4.前記幅方向及び長手方向の超音波は前記ねじの一端の表面に永久に取り付け られている超音波トランスジューサにより前記ねじ中に導入されることを特徴と する請求の範囲第3項に記載された方法。 5.前記長手方向及び幅方向の超音波は、前記長手方向及び幅方向からの超音波 の伝播時間を連続的にまたは繰り返して測定しながら、そして変化する温度にお いて前記細長い部材の実際の荷重における連続的にまたは、繰り返して発生する 変化を監視するため伝播時間測定値を、以前の伝播時間測定値と比較しながら、 継手の部分を形成する一つ以上の細長い部材中に、連続的してまたは繰り返して 導入されることを特徴とする請求の範囲第1項にまたは第2項に記載された方法 。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9503289A SE507466C2 (sv) | 1995-09-22 | 1995-09-22 | Metod för bestämning av axialkraften i en långsträckt kropp |
SE9503289-2 | 1995-09-22 | ||
PCT/SE1996/001173 WO1997011343A1 (en) | 1995-09-22 | 1996-09-23 | Method for determining the axial load on an elongated member |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH11512532A true JPH11512532A (ja) | 1999-10-26 |
JP4088342B2 JP4088342B2 (ja) | 2008-05-21 |
Family
ID=20399564
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51265197A Expired - Lifetime JP4088342B2 (ja) | 1995-09-22 | 1996-09-23 | 細長い部材の軸線方向荷重を決定する方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US6116094A (ja) |
EP (1) | EP0852003B1 (ja) |
JP (1) | JP4088342B2 (ja) |
DE (1) | DE69624929T2 (ja) |
SE (1) | SE507466C2 (ja) |
WO (1) | WO1997011343A1 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2801670B1 (fr) * | 1999-11-29 | 2002-02-01 | Freyssinet Intertional Stup | Procede pour mesurer par ultrason la tension residuelle d'une barre de precontrainte |
US7156595B2 (en) * | 2001-11-16 | 2007-01-02 | Clarke Ronald C | Load indicating fastener insert |
US8578778B2 (en) * | 2009-10-15 | 2013-11-12 | The Boeing Company | Ultrasonic method to verify the interference fit of fasteners |
EP2936098B1 (en) * | 2012-12-18 | 2017-02-15 | Atlas Copco Industrial Technique AB | Method and apparatus for evaluating clamp force in a bolt by means of ultra-sonic measurements |
AU2017313536B2 (en) * | 2016-08-16 | 2022-09-22 | National Research Council Of Canada | Methods and systems for ultrasonic rock bolt condition monitoring |
DE102018220915B4 (de) * | 2018-12-04 | 2021-05-27 | Intellifast Gmbh | Verfahren zur Bestimmung der Vorspannkraft von Verbindungsbauteilen mit inhomogener Temperaturverteilung |
CN109946379B (zh) * | 2019-04-01 | 2020-02-18 | 大连理工大学 | 一种单向应力的电磁超声检测方法 |
CN113295318A (zh) * | 2021-06-07 | 2021-08-24 | 航天精工股份有限公司 | 一种利用超声测量螺栓载荷的方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5143180A (en) * | 1974-10-11 | 1976-04-13 | Toyota Motor Co Ltd | Futatsuno choonpashindomoodoo ryoshita jikuryokusokuteihoho |
US4602511A (en) * | 1985-06-20 | 1986-07-29 | J. A. Green Company | Method for measuring fastener stress utilizing longitudinal and transverse ultrasonic wave time-of-flight |
US4846001A (en) * | 1987-09-11 | 1989-07-11 | Sps Technologies, Inc. | Ultrasonic load indicating member |
US5205176A (en) * | 1990-08-27 | 1993-04-27 | Ultrafast, Inc. | Ultrasonic load cell with transducer |
GB9109552D0 (en) * | 1991-05-02 | 1991-06-26 | Univ Manchester | Ultrasonic measurement apparatus |
DE4231429C1 (de) * | 1992-09-19 | 1994-03-24 | Bosch Gmbh Robert | Verfahren und Vorrichtung zum ultraschallgesteuerten Festziehen von Schrauben |
WO1996028743A1 (en) * | 1995-03-14 | 1996-09-19 | Profile Technologies, Inc. | Reflectometry methods for insulated pipes |
US5625146A (en) * | 1995-12-18 | 1997-04-29 | The United States Of America As Represented By The Secretary Of The Navy | Method and system for determining axial modulus |
-
1995
- 1995-09-22 SE SE9503289A patent/SE507466C2/sv not_active IP Right Cessation
-
1996
- 1996-09-23 JP JP51265197A patent/JP4088342B2/ja not_active Expired - Lifetime
- 1996-09-23 WO PCT/SE1996/001173 patent/WO1997011343A1/en active IP Right Grant
- 1996-09-23 DE DE69624929T patent/DE69624929T2/de not_active Expired - Lifetime
- 1996-09-23 EP EP96932120A patent/EP0852003B1/en not_active Expired - Lifetime
- 1996-09-23 US US09/043,595 patent/US6116094A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
SE507466C2 (sv) | 1998-06-08 |
EP0852003A1 (en) | 1998-07-08 |
EP0852003B1 (en) | 2002-11-20 |
US6116094A (en) | 2000-09-12 |
SE9503289D0 (sv) | 1995-09-22 |
WO1997011343A1 (en) | 1997-03-27 |
SE9503289L (sv) | 1997-03-23 |
JP4088342B2 (ja) | 2008-05-21 |
DE69624929T2 (de) | 2003-10-09 |
DE69624929D1 (de) | 2003-01-02 |
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