AT333378B - METHOD AND EQUIPMENT FOR MEASURING RESISTANCE, IN PARTICULAR THE TOTAL RESISTANCE IN RESISTANCE SPOT WELDING - Google Patents

METHOD AND EQUIPMENT FOR MEASURING RESISTANCE, IN PARTICULAR THE TOTAL RESISTANCE IN RESISTANCE SPOT WELDING

Info

Publication number
AT333378B
AT333378B AT192473A AT192473A AT333378B AT 333378 B AT333378 B AT 333378B AT 192473 A AT192473 A AT 192473A AT 192473 A AT192473 A AT 192473A AT 333378 B AT333378 B AT 333378B
Authority
AT
Austria
Prior art keywords
resistance
equipment
spot welding
measuring
total
Prior art date
Application number
AT192473A
Other languages
German (de)
Other versions
ATA192473A (en
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 ATA192473A publication Critical patent/ATA192473A/en
Application granted granted Critical
Publication of AT333378B publication Critical patent/AT333378B/en

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
    • B23K11/251—Monitoring devices using analog 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Resistance Welding (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
AT192473A 1972-04-20 1973-03-05 METHOD AND EQUIPMENT FOR MEASURING RESISTANCE, IN PARTICULAR THE TOTAL RESISTANCE IN RESISTANCE SPOT WELDING AT333378B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722219284 DE2219284C3 (en) 1972-04-20 1972-04-20 Method and device for measuring resistance, in particular total resistance, in resistance spot welding

Publications (2)

Publication Number Publication Date
ATA192473A ATA192473A (en) 1976-03-15
AT333378B true AT333378B (en) 1976-11-25

Family

ID=5842665

Family Applications (1)

Application Number Title Priority Date Filing Date
AT192473A AT333378B (en) 1972-04-20 1973-03-05 METHOD AND EQUIPMENT FOR MEASURING RESISTANCE, IN PARTICULAR THE TOTAL RESISTANCE IN RESISTANCE SPOT WELDING

Country Status (7)

Country Link
AT (1) AT333378B (en)
CH (1) CH560906A5 (en)
DE (1) DE2219284C3 (en)
FR (1) FR2180741B1 (en)
GB (1) GB1370869A (en)
IT (1) IT980261B (en)
NL (1) NL7305369A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0106493A3 (en) * 1982-09-10 1986-02-05 The Welding Institute Monitoring in-service resistance of ac conductors
GB2139361B (en) * 1983-12-30 1985-06-05 Metal Box Plc Monitoring weld voltages
US4639569A (en) * 1985-04-01 1987-01-27 Unitek Corporation Weld resistance measuring apparatus for a spot welder
NL1028829C2 (en) 2005-04-20 2006-10-23 Fontijne Grotnes B V Method and system for welding parts together.

Also Published As

Publication number Publication date
FR2180741A1 (en) 1973-11-30
DE2219284C3 (en) 1975-10-23
FR2180741B1 (en) 1976-05-21
GB1370869A (en) 1974-10-16
NL7305369A (en) 1973-10-23
DE2219284A1 (en) 1973-11-08
CH560906A5 (en) 1975-04-15
IT980261B (en) 1974-09-30
ATA192473A (en) 1976-03-15
DE2219284B2 (en) 1975-02-27

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties