FR2211656A1 - - Google Patents

Info

Publication number
FR2211656A1
FR2211656A1 FR7344087A FR7344087A FR2211656A1 FR 2211656 A1 FR2211656 A1 FR 2211656A1 FR 7344087 A FR7344087 A FR 7344087A FR 7344087 A FR7344087 A FR 7344087A FR 2211656 A1 FR2211656 A1 FR 2211656A1
Authority
FR
France
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.)
Withdrawn
Application number
FR7344087A
Other languages
French (fr)
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.)
Messer Griesheim GmbH
Original Assignee
Messer Griesheim GmbH
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 Messer Griesheim GmbH filed Critical Messer Griesheim GmbH
Publication of FR2211656A1 publication Critical patent/FR2211656A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/20—Measuring earth resistance; Measuring contact resistance, e.g. of earth connections, e.g. plates
    • G01R27/205—Measuring contact resistance of connections, e.g. of earth connections
    • 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
    • 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
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R21/00—Arrangements for measuring electric power or power factor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Arc Welding Control (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
FR7344087A 1972-12-22 1973-12-11 Withdrawn FR2211656A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2262962A DE2262962C3 (en) 1972-12-22 1972-12-22 Method and device for determining the total effective resistance during resistance welding with alternating currents

Publications (1)

Publication Number Publication Date
FR2211656A1 true FR2211656A1 (en) 1974-07-19

Family

ID=5865243

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7344087A Withdrawn FR2211656A1 (en) 1972-12-22 1973-12-11

Country Status (5)

Country Link
CH (1) CH566839A5 (en)
DE (1) DE2262962C3 (en)
FR (1) FR2211656A1 (en)
GB (1) GB1421670A (en)
NL (1) NL7316814A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2336210A1 (en) * 1975-12-24 1977-07-22 Centre Rech Metallurgique DEVICE FOR THE CONTROL OF THE WELDING OF STEEL PRODUCTS

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4254466A (en) * 1979-01-29 1981-03-03 Square D Company Power factor monitoring and control system for resistance welding
DE3332697A1 (en) * 1983-09-10 1985-03-28 Robert Bosch Gmbh, 7000 Stuttgart Control system for the automatic control of resistance welding devices
US4639569A (en) * 1985-04-01 1987-01-27 Unitek Corporation Weld resistance measuring apparatus for a spot welder
DE102005019640A1 (en) * 2005-04-26 2006-11-09 PROMESS Gesellschaft für Montage- und Prüfsysteme mbH Method and apparatus for resistance spot welding

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2336210A1 (en) * 1975-12-24 1977-07-22 Centre Rech Metallurgique DEVICE FOR THE CONTROL OF THE WELDING OF STEEL PRODUCTS

Also Published As

Publication number Publication date
DE2262962C3 (en) 1978-08-10
GB1421670A (en) 1976-01-21
NL7316814A (en) 1974-06-25
DE2262962B2 (en) 1977-12-15
CH566839A5 (en) 1975-09-30
DE2262962A1 (en) 1974-07-11

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Legal Events

Date Code Title Description
ST Notification of lapse