ZA796758B - Apparatus and method of indirect measurement of bolt or screw pre-stressing - Google Patents

Apparatus and method of indirect measurement of bolt or screw pre-stressing

Info

Publication number
ZA796758B
ZA796758B ZA00796758A ZA796758A ZA796758B ZA 796758 B ZA796758 B ZA 796758B ZA 00796758 A ZA00796758 A ZA 00796758A ZA 796758 A ZA796758 A ZA 796758A ZA 796758 B ZA796758 B ZA 796758B
Authority
ZA
South Africa
Prior art keywords
stressing
bolt
indirect measurement
screw pre
screw
Prior art date
Application number
ZA00796758A
Other languages
English (en)
Inventor
W Prestel
Detlev Heinrich
Heinrich Detlev
M Weiss
Original Assignee
Maschf Augsburg Nuernberg Ag
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 Maschf Augsburg Nuernberg Ag filed Critical Maschf Augsburg Nuernberg Ag
Publication of ZA796758B publication Critical patent/ZA796758B/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
    • B25B23/142—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for hand operated wrenches or screwdrivers
    • B25B23/1422—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for hand operated wrenches or screwdrivers torque indicators or adjustable torque limiters
    • B25B23/1425—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for hand operated wrenches or screwdrivers torque indicators or adjustable torque limiters by electrical means
    • 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
    • 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

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
ZA00796758A 1978-12-14 1979-12-13 Apparatus and method of indirect measurement of bolt or screw pre-stressing ZA796758B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782853988 DE2853988A1 (de) 1978-12-14 1978-12-14 Verfahren zur indirekten messung der schraubenvorspannung

Publications (1)

Publication Number Publication Date
ZA796758B true ZA796758B (en) 1980-12-31

Family

ID=6057171

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00796758A ZA796758B (en) 1978-12-14 1979-12-13 Apparatus and method of indirect measurement of bolt or screw pre-stressing

Country Status (11)

Country Link
JP (1) JPS5582935A (da)
AU (1) AU5380279A (da)
DD (1) DD147642A1 (da)
DE (1) DE2853988A1 (da)
DK (1) DK532079A (da)
FR (1) FR2444267A1 (da)
GB (1) GB2037430A (da)
NL (1) NL7908910A (da)
RO (1) RO81473B (da)
SE (1) SE7910209L (da)
ZA (1) ZA796758B (da)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3100842A1 (de) * 1981-01-14 1982-08-12 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8500 Nürnberg Vorrichtung zur messung der schraubenvorspannung
JPS5876795A (ja) * 1981-10-31 1983-05-09 Hagiwara Denki Kk 計時回路
FR2538470B1 (fr) * 1982-12-28 1985-06-28 Prolhac Robert Vis de serrage controle par ultrason et son dispositif de tarage
FR2542869B1 (fr) * 1983-03-16 1985-08-30 Centre Techn Ind Mecanique Dispositif de serrage et de mesure par ultrasons des tensions de serrage
FR2542657B1 (fr) * 1983-03-17 1985-11-29 Facom Appareil de serrage dynamometrique
FR2561562B1 (fr) * 1984-03-23 1988-03-25 Framatome Sa Dispositif de serrage d'un assemblage visse comportant un moyen de controle par ultrasons de la pretension de l'un des elements de cet assemblage
GB8424262D0 (en) * 1984-09-26 1984-10-31 Univ City Nondestructive testing
JPH074530Y2 (ja) * 1988-12-07 1995-02-01 三菱重工業株式会社 軸力センサ付ボルト締付工具
JPH02274476A (ja) * 1989-04-17 1990-11-08 Hitachi Constr Mach Co Ltd ボルト締付け装置
US5058439A (en) * 1990-06-06 1991-10-22 The Babcock & Wilcox Company Ut socket assembly
FR2720025B1 (fr) * 1994-05-18 1996-08-02 Facom Dispositif d'accrochage d'un instrument sur une tête d'entraînement d'un organe fileté, et son application à un appareil dynamométrique.
US5589640A (en) * 1996-04-03 1996-12-31 Butler; Patrick J. Method for detecting changes in preload on a tie rod installed as part of a core shroud repair in a boiling water reactor
US6314817B1 (en) 1998-05-14 2001-11-13 Atlas Copco Tools Ab Method for tightening a threaded fastener above its yield point
SE518436C2 (sv) * 1998-05-14 2002-10-08 Atlas Copco Tools Ab Metod för bestämning av axialkraften i ett gängat fästelement vid åtdragning över sträckgränsen
DE10042291C1 (de) * 2000-08-29 2002-02-14 Fraunhofer Ges Forschung Verfahren zur Überwachung und Steuerung eines Schraubvorganges
CN102262021B (zh) * 2010-05-28 2013-08-21 上海宝冶工程技术有限公司 一种大规格螺栓扭力测试设备
US9632016B2 (en) * 2013-05-20 2017-04-25 The Boeing Company Material strain measurement method by means of laser ablation
NO2694065T3 (da) * 2014-12-12 2018-05-12
CN110579305A (zh) * 2018-06-11 2019-12-17 北京艾法斯特科技发展有限公司 一种超声实时测量螺栓轴力的智能套筒系统
CN117030477B (zh) * 2023-07-28 2024-05-24 广州华立学院 一种基于超声波的固定件锁付力检测方法

Also Published As

Publication number Publication date
DD147642A1 (de) 1981-04-15
RO81473B (ro) 1983-04-30
GB2037430A (en) 1980-07-09
JPS5582935A (en) 1980-06-23
DK532079A (da) 1980-06-15
FR2444267B3 (da) 1982-03-12
DE2853988A1 (de) 1980-07-17
NL7908910A (nl) 1980-06-17
FR2444267A1 (fr) 1980-07-11
AU5380279A (en) 1980-07-10
RO81473A (ro) 1983-04-29
SE7910209L (sv) 1980-06-15

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