IT8220653A0 - Procedimento per la saldatura all'arco in corrente continua a impulsi. - Google Patents

Procedimento per la saldatura all'arco in corrente continua a impulsi.

Info

Publication number
IT8220653A0
IT8220653A0 IT8220653A IT2065382A IT8220653A0 IT 8220653 A0 IT8220653 A0 IT 8220653A0 IT 8220653 A IT8220653 A IT 8220653A IT 2065382 A IT2065382 A IT 2065382A IT 8220653 A0 IT8220653 A0 IT 8220653A0
Authority
IT
Italy
Prior art keywords
procedure
direct current
arc welding
current arc
pulse direct
Prior art date
Application number
IT8220653A
Other languages
English (en)
Other versions
IT1150809B (it
Inventor
Ross A Moyer
John R Duncan
William E Wright Sr
Roderick G Rohrberg
Original Assignee
Carrier 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 Carrier Corp filed Critical Carrier Corp
Publication of IT8220653A0 publication Critical patent/IT8220653A0/it
Application granted granted Critical
Publication of IT1150809B publication Critical patent/IT1150809B/it

Links

Classifications

    • 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
    • B23K9/00—Arc welding or cutting
    • B23K9/09—Arrangements or circuits for arc welding with pulsed current or voltage
    • 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
    • B23K9/00—Arc welding or cutting
    • B23K9/09—Arrangements or circuits for arc welding with pulsed current or voltage
    • B23K9/091—Arrangements or circuits for arc welding with pulsed current or voltage characterised by the circuits
    • B23K9/092—Arrangements or circuits for arc welding with pulsed current or voltage characterised by the circuits characterised by the shape of the pulses produced
    • 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
    • B23K9/00—Arc welding or cutting
    • B23K9/06—Arrangements or circuits for starting the arc, e.g. by generating ignition voltage, or for stabilising the arc
    • B23K9/067—Starting the arc
    • B23K9/0672—Starting the arc without direct contact between electrodes
    • B23K9/0673—Ionisation of the arc gap by means of a tension with a step front (pulses or high frequency tensions)
    • 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
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/04—Tubular or hollow articles
    • B23K2101/06—Tubes
    • 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
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/04—Tubular or hollow articles
    • B23K2101/14—Heat exchangers
    • 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
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/08—Non-ferrous metals or alloys
    • B23K2103/10—Aluminium or alloys thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Arc Welding In General (AREA)
  • Arc Welding Control (AREA)
IT20653/82A 1981-04-09 1982-04-08 Procedimento per la saldatura all'arco in corrente continua a impulsi IT1150809B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/252,567 US4421972A (en) 1981-04-09 1981-04-09 Pulsed direct current arc welding

Publications (2)

Publication Number Publication Date
IT8220653A0 true IT8220653A0 (it) 1982-04-08
IT1150809B IT1150809B (it) 1986-12-17

Family

ID=22956565

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20653/82A IT1150809B (it) 1981-04-09 1982-04-08 Procedimento per la saldatura all'arco in corrente continua a impulsi

Country Status (12)

Country Link
US (1) US4421972A (it)
JP (1) JPS57177880A (it)
KR (1) KR880002007B1 (it)
AU (1) AU550259B2 (it)
BR (1) BR8201984A (it)
CA (1) CA1180771A (it)
FR (1) FR2503603B1 (it)
GB (1) GB2096515B (it)
IT (1) IT1150809B (it)
MX (1) MX151463A (it)
MY (1) MY8700068A (it)
PH (1) PH18671A (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3438439A1 (de) * 1983-10-26 1985-05-09 Daido Tokushuko K.K., Nagoya, Aichi Pulveroberflaechenschweissverfahren
US4866247A (en) * 1986-12-11 1989-09-12 The Lincoln Electric Company Apparatus and method of short circuiting arc welding
JP2809683B2 (ja) * 1989-04-10 1998-10-15 松下電器産業株式会社 パルスアーク溶接機
US5686001A (en) * 1996-01-16 1997-11-11 United Technologies Corporation Variable polarity arc technology for the repair of coated articles
US7937895B2 (en) * 2006-04-03 2011-05-10 Concepts And Designs, Inc. Air handling chamber
US9446470B2 (en) * 2011-10-14 2016-09-20 Baker Hughes Incorporated Enhanced magnetically impelled arc butt wielding (MIAB) technology
DE102021118461A1 (de) 2021-07-16 2023-01-19 FEF Forschungs- und Entwicklungsgesellschaft Fügetechnik GmbH Verfahren zum Fügen zweier metallischer, rohrförmiger Fügepartner sowie ein entsprechendes Schweißgerät

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3449543A (en) * 1966-04-11 1969-06-10 Welding Research Inc Tig spot welding by means of a pulsating unidirectional current
US3538301A (en) * 1967-03-10 1970-11-03 Anaconda American Brass Co Gas shield,non-consumable-electrode pulse arc welding
US3522412A (en) * 1967-12-18 1970-08-04 Mc Donnell Douglas Corp Gas tungsten arc welding method
US3510676A (en) * 1968-05-22 1970-05-05 Air Reduction Pulsed power supply
US3838244A (en) * 1968-10-29 1974-09-24 Gen Dynamics Corp Electrical system for automatic arc welding
US3598954A (en) * 1969-05-12 1971-08-10 North American Rockwell Control for reverse-polarity welding
US3614378A (en) * 1969-11-28 1971-10-19 Mc Donnell Douglas Corp Fluxless high-frequency aluminum tube welding without inserts
GB1424797A (en) * 1972-03-21 1976-02-11 Nat Res Dev -ethods and apparatus for alternating-current arc welding
US3781511A (en) * 1972-03-23 1973-12-25 H Rygiol Method of welding employing square wave current pulses and causing the molten metal to resonate
US3826890A (en) * 1972-09-01 1974-07-30 P Bartlett Welding system controller
US3818177A (en) * 1972-09-05 1974-06-18 Welding Inst Arc welding
BG19652A1 (it) * 1973-12-17 1975-10-10
CA1020236A (en) * 1974-01-28 1977-11-01 Continental Can Company Arc welding system having main power and ignition power sources
US3989922A (en) * 1974-05-16 1976-11-02 United Air Lines Pulsed arc welding apparatus
US3932728A (en) * 1974-09-05 1976-01-13 Babcock & Wilcox, Limited Electric arc fusion welding apparatus
GB1492311A (en) * 1975-03-06 1977-11-16 Atomic Energy Authority Uk Electric arc-welding processes and apparatus therefor
US4016484A (en) * 1975-06-18 1977-04-05 Crouthamel Reading H Solid state weld timer
US4273988A (en) * 1979-08-23 1981-06-16 Rockwell International Corporation Pulse welding process

Also Published As

Publication number Publication date
US4421972A (en) 1983-12-20
KR830009884A (ko) 1983-12-24
PH18671A (en) 1985-08-29
FR2503603A1 (fr) 1982-10-15
FR2503603B1 (fr) 1989-10-06
AU550259B2 (en) 1986-03-13
JPS57177880A (en) 1982-11-01
IT1150809B (it) 1986-12-17
GB2096515B (en) 1986-02-12
BR8201984A (pt) 1983-03-15
GB2096515A (en) 1982-10-20
CA1180771A (en) 1985-01-08
AU8245282A (en) 1982-10-14
MY8700068A (en) 1987-12-31
MX151463A (es) 1984-11-28
JPH0139872B2 (it) 1989-08-23
KR880002007B1 (ko) 1988-10-12

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19940428