ZA871964B - - Google Patents

Info

Publication number
ZA871964B
ZA871964B ZA871964A ZA871964A ZA871964B ZA 871964 B ZA871964 B ZA 871964B ZA 871964 A ZA871964 A ZA 871964A ZA 871964 A ZA871964 A ZA 871964A ZA 871964 B ZA871964 B ZA 871964B
Authority
ZA
South Africa
Prior art keywords
flux
flux density
variations
saturation
broken wires
Prior art date
Application number
ZA871964A
Other languages
English (en)
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 filed Critical
Publication of ZA871964B publication Critical patent/ZA871964B/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws

Landscapes

  • Chemical & Material Sciences (AREA)
  • Immunology (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Electrochemistry (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Ropes Or Cables (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Saccharide Compounds (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Insulated Conductors (AREA)
  • Cable Accessories (AREA)
ZA871964A 1986-03-25 1987-03-18 ZA871964B (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA862214 1986-03-25

Publications (1)

Publication Number Publication Date
ZA871964B true ZA871964B (pt) 1987-09-07

Family

ID=25578340

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA871964A ZA871964B (pt) 1986-03-25 1987-03-18

Country Status (13)

Country Link
US (1) US4827215A (pt)
EP (1) EP0239537B1 (pt)
JP (1) JPS6311852A (pt)
AT (1) ATE59231T1 (pt)
AU (1) AU588442B2 (pt)
BR (1) BR8701345A (pt)
CA (1) CA1276982C (pt)
DE (1) DE3766734D1 (pt)
ES (1) ES2019111B3 (pt)
FI (1) FI87020C (pt)
NO (1) NO302321B1 (pt)
PL (1) PL159867B1 (pt)
ZA (1) ZA871964B (pt)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4929897A (en) * 1987-11-23 1990-05-29 Crucible Societe Anonyme Method and apparatus for detecting cross sectional area variations in a elongate object by measuring radial magnetic flux variations using spaced-apart coils
US5036277A (en) * 1987-11-23 1991-07-30 Crucible Societe Anonyme Method of and apparatus for detecting cross sectional area variations in an elongate object by the non-inductive measurement of radial flux variations
GB2250097A (en) * 1990-11-07 1992-05-27 Anglo Amer Corp South Africa Testing wire rope for cross section variations and other flaws
EP0529181A3 (en) * 1991-08-28 1993-05-26 Nishimatsu Construction Co., Ltd. Method and system for searching reinforcing steel in concrete
JP2613584B2 (ja) * 1991-08-30 1997-05-28 東洋電機製造株式会社 電気車制御装置
US5402066A (en) * 1992-03-24 1995-03-28 Commercial Technologies, Inc. Method and apparatus for magnetically testing elongate objects using two circumferentially disposed arrays of magnets and two circumferentially disposed arrays of sensors
US5321356A (en) * 1992-05-26 1994-06-14 Ndt Technologies, Inc. Magnetic inspection device for elongated objects and inspection method
US5570017A (en) * 1992-09-30 1996-10-29 Canada Conveyor Belt Co., Inc. Apparatus and method of damage detection for magnetically permeable members using an alternating magnetic field and hall effect sensors
US5414353A (en) * 1993-05-14 1995-05-09 Ndt Technologies, Inc. Method and device for nondestructively inspecting elongated objects for structural defects using longitudinally arranged magnet means and sensor means disposed immediately downstream therefrom
FR2709182A1 (fr) * 1993-08-20 1995-02-24 Crescenzo Eric Procédés et dispositifs de magnétisation ou désaimantation d'objets en mouvement.
DE4413924A1 (de) * 1994-04-21 1995-10-26 Brandt Gmbh Dr Meßeinrichtung zur Anzeige von Spleißstellen in einem aus Litzen gebildeten Stahlseil
US5744955A (en) * 1995-08-02 1998-04-28 Booker; James R. Apparatus and method of detecting loss of cross-sectional area of magnetic metallic strength members used in conductors such as aluminum conductor steel reinforced (ACSR) conductors
US5821749A (en) * 1995-08-02 1998-10-13 Booker; James R. Reluctance change apparatus and method of detecting loss of cross-sectional area of magnetic metallic strength members used in conductors such as aluminum conductor steel reinforced ("ACSR") conductors
EP0816797B1 (en) 1996-06-28 2002-09-18 Tokyo Rope Mfg. Co., Ltd. Apparatus for and method of measuring corrosion degree of cable
US5751144A (en) * 1996-07-23 1998-05-12 Ndt Technologies, Incorporated Method and device including primary and auxiliary magnetic poles for nondestructive detection of structural faults
US5828213A (en) * 1996-10-21 1998-10-27 Hickman; Jack R. Method and apparatus for magnetically sampling the uniformity of an elongate object
CA2203601C (en) * 1997-04-24 2004-03-16 James R. Booker Apparatus and method of detecting loss of cross-sectional area of magnetic metallic strength members used in conductors such as aluminum conductor steel reinforced ("acsr") conductors
US6084404A (en) * 1998-03-06 2000-07-04 Iowa State University Research Foundation, Inc. Apparatus and method for on-line barkhausen measurement
US6633159B1 (en) 1999-03-29 2003-10-14 Otis Elevator Company Method and apparatus for magnetic detection of degradation of jacketed elevator rope
US6265870B1 (en) 1999-09-02 2001-07-24 Ndt Technologies, Inc. Eddy current sensor assembly for detecting structural faults in magnetically permeable objects
GB0314747D0 (en) 2003-06-25 2003-07-30 Aea Technology Plc Detecting failures in flexible multristrand steel structures
EP1847501B1 (de) * 2006-04-18 2014-10-01 Inventio AG Aufzugsanlage mit einer Tragmittelüberwachungseinrichtung zur Überwachung des Zustandes des Tragmittels und Verfahren zur Prüfung des Tragmittels
KR100827790B1 (ko) * 2006-06-29 2008-05-07 주식회사엑소 와이어로프 결함탐지시스템 및 그 방법
DE112007003706T5 (de) * 2007-11-13 2010-09-23 Mitsubishi Electric Corp. Seiltestvorrichtung
LT5962B (lt) 2011-10-13 2013-09-25 Vilniaus Gedimino technikos universitetas Plieninio lyno kokybės diagnostikos būdas ir įranga
CA2885498C (en) 2012-10-04 2017-03-28 Her Majesty The Queen In Right Of Canada As Represented By The Minister Of Natural Resources Canada Measurement of lay length of wire rope
FI126173B (en) * 2013-11-12 2016-07-29 Konecranes Global Oy Condition monitoring of an object having an elongated iron-containing longitudinal axis
JP6145573B2 (ja) * 2014-04-28 2017-06-14 東京製綱株式会社 ワイヤロープの検査装置
JP6594065B2 (ja) * 2015-07-02 2019-10-23 株式会社日立ビルシステム ロープ検査装置、および、ロープ検査システム
WO2017023235A1 (en) * 2015-07-31 2017-02-09 Compagnie Generale Des Etablissements Michelin Device and method for inspection of polymeric material with ferrous reinforcement
CN108780068B (zh) 2016-03-24 2022-02-25 三菱电机株式会社 缆绳探伤装置及缆绳探伤装置的调整方法
JP6505316B2 (ja) * 2016-04-22 2019-04-24 三菱電機株式会社 ロープ損傷診断検査装置
WO2018109824A1 (ja) * 2016-12-13 2018-06-21 東京製綱株式会社 ワイヤロープの損傷検出方法，ならびにワイヤロープの損傷検出に用いられる信号処理装置および損傷検出装置
KR102602363B1 (ko) * 2018-04-25 2023-11-14 쉴로이니게르 아게 라인 번들의 꼬임 길이 결정 또는 검사를 위한 트위스팅 장치 및 방법 그리고 컴퓨터 프로그램 제품 및 업그레이드 키트와 같은 컴퓨터 구현 방법
CN108918653B (zh) * 2018-05-18 2022-09-30 哈尔滨工业大学深圳研究生院 铁磁性细长构件无损检测装置与方法

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US1992100A (en) * 1931-06-20 1935-02-19 Stein Wilhelm Testing flaws and the like in working materials
US2065119A (en) * 1933-06-30 1936-12-22 Steel And Tubes Inc Flaw detection
US2124579A (en) * 1937-01-30 1938-07-26 Steel And Tubes Inc Method of and apparatus for testing metallic articles
US2895103A (en) * 1955-03-12 1959-07-14 Stin Magnetic testing apparatus
US2889513A (en) * 1956-08-13 1959-06-02 Magnetic Analysis Corp Magnetic wire rope testing
GB936033A (en) * 1960-01-18 1963-09-04 Accles & Pollock Ltd Method of, and means for detecting defects in elongated metallic objects
US3242425A (en) * 1961-02-24 1966-03-22 William C Harmon Flaw detector for wire rope using an inspection coil energized by an oscillator having time delay feedback means
GB1056765A (en) * 1962-09-15 1967-01-25 Akademia Gorniczo Hutnicza Dzi A magnetic crack detection device for examining elongated objects such as ropes, rodsand steel pipes
US3273055A (en) * 1965-10-18 1966-09-13 Api Instr Company Constant impedance dual circuits for sample material flaw detection
SE347356B (pt) * 1970-03-20 1972-07-31 Essem Metotest Ab
ZA731010B (en) * 1973-02-13 1974-10-30 Anglo Amer Corp South Africa A method of and apparatus for testing winding ropes and the like
FR2239173A5 (en) * 1973-07-25 1975-02-21 France Etat Broken strand detector for metallic cables - is particularly for suspension bridges and employs magnetic method using a movable induction coil
US3881151A (en) * 1974-01-07 1975-04-29 Kennecott Copper Corp Eddy current flaw detector comprising passing the test piece through an invarient magnetic field gradient and positioning sensor in the gradient
US3887865A (en) * 1974-02-15 1975-06-03 Magnetic Analysis Corp Eddy current testing apparatus using segmented monoturn conductive members
DE2521552A1 (de) * 1975-05-15 1976-12-02 Westfaelische Berggewerkschaft Geraet fuer die betriebliche pruefung von drahtseilen, insbesondere des untertagebergbaus, z.b. von foerderseilen
US4002967A (en) * 1975-08-01 1977-01-11 Aluminum Company Of America Annular eddy current test coil with magnetic laminations adjacent a limited circumferential extent
FR2347683A1 (fr) * 1976-04-05 1977-11-04 Centre Techn Ind Mecanique Procede et dispositif d'examen d'elements longs, conducteurs de l'electricite
CA1038037A (en) * 1976-05-06 1978-09-05 Noranda Mines Limited Magnetic testing device for detecting defects in elongated objects
GB2012966A (en) * 1977-10-06 1979-08-01 Health & Safety Executive Apparatus for non-destructive testing of elongate objects
JPS551533A (en) * 1978-06-21 1980-01-08 Hitachi Ltd Magnetic flaw detection apparatus of rope
CA1166696A (en) * 1979-07-29 1984-05-01 Thomas J. Daley-Hall Non-destructive testing of ferromagnetic articles
JPS5644839A (en) * 1979-09-21 1981-04-24 Hitachi Ltd Magnetic defect detecting device for rope
JPS56148052A (en) * 1980-04-21 1981-11-17 Hitachi Elevator Eng & Serv Co Ltd Electromagnetic flaw detector for continuous magnetic material
US4439731A (en) * 1980-10-08 1984-03-27 Commonwealth Scientific And Industrial Research Organization Monitoring of elongate magnetically permeable members
GB2100440B (en) * 1981-06-11 1986-04-09 G Makeevsky Ni Magnetic flaw detector for steel wire ropes
US4641093A (en) * 1981-07-28 1987-02-03 Institut Prikladnoi Fiziki Akademii Nauk Belorusskoi Ssr Method and device for magnetic testing of moving elongated ferromagnetic test piece for mechanical properties by utilizing the magnitude of remanent magnetic flux and a pulsed magnetic field
US4399422A (en) * 1981-08-31 1983-08-16 Wang Laboratories, Inc. Magnetizing apparatus
US4495465A (en) * 1982-05-03 1985-01-22 Rotesco Inc. Method and apparatus for non-destructive testing of magnetically permeable bodies using a first flux to saturate the body and a second flux opposing the first flux to produce a measurable flux
US4659991A (en) * 1983-03-31 1987-04-21 Ndt Technologies, Inc. Method and apparatus for magnetically inspecting elongated objects for structural defects
JPS60230053A (ja) * 1984-04-27 1985-11-15 Sumitomo Metal Ind Ltd 探傷方法及び装置
JPS6135348A (ja) * 1984-07-27 1986-02-19 Ishikawajima Harima Heavy Ind Co Ltd ワイヤロ−プ探傷装置

Also Published As

Publication number Publication date
NO302321B1 (no) 1998-02-16
US4827215A (en) 1989-05-02
EP0239537A2 (en) 1987-09-30
PL159867B1 (pl) 1993-01-29
FI871291A (fi) 1987-09-26
ES2019111B3 (es) 1991-06-01
BR8701345A (pt) 1987-12-29
FI87020C (fi) 1992-11-10
FI871291A0 (fi) 1987-03-24
NO871218L (no) 1987-09-28
JPS6311852A (ja) 1988-01-19
AU588442B2 (en) 1989-09-14
ATE59231T1 (de) 1991-01-15
EP0239537A3 (en) 1989-01-25
PL264818A1 (en) 1988-02-18
CA1276982C (en) 1990-11-27
FI87020B (fi) 1992-07-31
NO871218D0 (no) 1987-03-24
AU7056587A (en) 1987-10-01
DE3766734D1 (de) 1991-01-31
EP0239537B1 (en) 1990-12-19

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