GB1385427A - Acoustic emission welding controller - Google Patents

Acoustic emission welding controller

Info

Publication number
GB1385427A
GB1385427A GB2454972A GB2454972A GB1385427A GB 1385427 A GB1385427 A GB 1385427A GB 2454972 A GB2454972 A GB 2454972A GB 2454972 A GB2454972 A GB 2454972A GB 1385427 A GB1385427 A GB 1385427A
Authority
GB
United Kingdom
Prior art keywords
weld
transducer
comparator
circuit
preset
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.)
Expired
Application number
GB2454972A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TRODNYNE CORP
Original Assignee
TRODNYNE CORP
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 TRODNYNE CORP filed Critical TRODNYNE CORP
Publication of GB1385427A publication Critical patent/GB1385427A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G01N29/14—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 using acoustic emission techniques
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/10—Spot welding; Stitch welding
    • B23K11/11—Spot welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/24—Electric supply or control circuits therefor
    • B23K11/25—Monitoring devices
    • B23K11/252—Monitoring devices using digital means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H3/00—Measuring characteristics of vibrations by using a detector in a fluid

Landscapes

  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Immunology (AREA)
  • Acoustics & Sound (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Resistance Welding (AREA)
  • Laser Beam Processing (AREA)
GB2454972A 1972-05-10 1972-05-24 Acoustic emission welding controller Expired GB1385427A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00252111A US3824377A (en) 1972-05-10 1972-05-10 Acoustic emission spot welding controller

Publications (1)

Publication Number Publication Date
GB1385427A true GB1385427A (en) 1975-02-26

Family

ID=22954651

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2454972A Expired GB1385427A (en) 1972-05-10 1972-05-24 Acoustic emission welding controller

Country Status (6)

Country Link
US (1) US3824377A (cg-RX-API-DMAC10.html)
JP (1) JPS5236976B2 (cg-RX-API-DMAC10.html)
DE (1) DE2227527C3 (cg-RX-API-DMAC10.html)
FR (1) FR2184256A5 (cg-RX-API-DMAC10.html)
GB (1) GB1385427A (cg-RX-API-DMAC10.html)
IT (1) IT959455B (cg-RX-API-DMAC10.html)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1982002163A1 (en) * 1980-12-23 1982-07-08 Hass Bertil Measuring instrument for checking the squeeze time in spot welding
RU2259263C1 (ru) * 2003-12-23 2005-08-27 Открытое акционерное общество "АВТОВАЗ" Пневмопривод контактной точечной сварки
RU2389589C2 (ru) * 2004-12-23 2010-05-20 Норгрен Гмбх Способ управления блоком уравнительного цилиндра, в частности для сварочного устройства, и блок уравнительного цилиндра

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5153275A (ja) * 1974-11-04 1976-05-11 Matsushita Electric Works Ltd Saakitsutobureeka
JPS5153276A (ja) * 1974-11-04 1976-05-11 Matsushita Electric Works Ltd Saakitsutobureeka
JPS5167977A (ja) * 1974-12-09 1976-06-12 Matsushita Electric Works Ltd Kairoshadanki
US3965726A (en) * 1975-07-02 1976-06-29 Western Electric Company, Inc. Method and apparatus for the real-time evaluation of welds by emitted stress waves
US4024522A (en) * 1976-03-15 1977-05-17 Gard, Inc. Acoustic emission system for welding flaw detection
US4086817A (en) * 1977-07-05 1978-05-02 Western Electric Co., Inc. Method and apparatus for determining the acceptability of a weld formed by applying repetitive pulses of energy to the weld site
CH621196A5 (cg-RX-API-DMAC10.html) * 1977-12-29 1981-01-15 Landis & Gyr Ag
US4419562A (en) * 1982-01-19 1983-12-06 Western Electric Co., Inc. Nondestructive real-time method for monitoring the quality of a weld
JPS58140944A (ja) * 1982-02-15 1983-08-20 三菱電機株式会社 回路しや断器の引き外し装置
DE3333151A1 (de) * 1983-09-14 1985-03-28 Hahn, Ortwin, Prof.Dr.-Ing., 4790 Paderborn Schweiss- oder thermische trennvorrichtung mit geraeuschabhaengiger prozessregelung
JPS60249024A (ja) * 1984-05-24 1985-12-09 Hitachi Constr Mach Co Ltd ロ−プ張力の大小判別装置
US5065630A (en) * 1990-06-12 1991-11-19 Grumman Aerospace Corporation Integrated system for aircraft crack detection
DE4426436C2 (de) * 1994-07-26 2001-09-20 Bayerische Motoren Werke Ag Verfahren zum Ermitteln der zum Punktschweißen von Blechteilen optimal geeigneten Schweißparametern
US7642486B2 (en) 2006-05-05 2010-01-05 Illinois Tool Works Inc. Welding device with arc termination control
JP4933407B2 (ja) * 2007-11-21 2012-05-16 本田技研工業株式会社 スパッタ検出方法
CN102654482B (zh) * 2012-03-14 2014-02-12 重庆理工大学 电阻点焊熔核形核动态质量无损检测方法
CN103675103B (zh) * 2013-10-15 2015-10-07 重庆理工大学 一种利用电阻点焊过程声发射信号能量当量定量检测熔核裂纹的方法
DE102018203269A1 (de) * 2018-03-06 2019-09-12 Bayerische Motoren Werke Aktiengesellschaft Verfahren zur qualitativen Analyse einer Punktschweißverbindung, Schweißvorrichtung und Verwendung von akustischen Signalen

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2147918A (en) * 1936-04-25 1939-02-21 Raytheon Mfg Co Vacuum tube cycle counter
US2277146A (en) * 1939-03-04 1942-03-24 Square D Co System of electric welding
US2862114A (en) * 1957-10-01 1958-11-25 Welding Research Inc Welder control mechanism with timing means
US3614761A (en) * 1969-11-03 1971-10-19 Dresser Ind Method and apparatus for monitoring potential or lost circulation in an earth borehole
US3660972A (en) * 1970-01-09 1972-05-09 Burlington Industries Inc Operation monitoring system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1982002163A1 (en) * 1980-12-23 1982-07-08 Hass Bertil Measuring instrument for checking the squeeze time in spot welding
US4485683A (en) * 1980-12-23 1984-12-04 Ab Volvo Instrument for measuring the clamping force between a pair of welding electrodes
RU2259263C1 (ru) * 2003-12-23 2005-08-27 Открытое акционерное общество "АВТОВАЗ" Пневмопривод контактной точечной сварки
RU2389589C2 (ru) * 2004-12-23 2010-05-20 Норгрен Гмбх Способ управления блоком уравнительного цилиндра, в частности для сварочного устройства, и блок уравнительного цилиндра
US8969750B2 (en) 2004-12-23 2015-03-03 Norgren Gmbh Method and apparatus for controlling electrode arms of a welding device

Also Published As

Publication number Publication date
US3824377A (en) 1974-07-16
DE2227527B2 (de) 1978-10-12
JPS4923149A (cg-RX-API-DMAC10.html) 1974-03-01
FR2184256A5 (cg-RX-API-DMAC10.html) 1973-12-21
IT959455B (it) 1973-11-10
DE2227527C3 (de) 1979-06-13
JPS5236976B2 (cg-RX-API-DMAC10.html) 1977-09-19
DE2227527A1 (de) 1973-11-22

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee