GB1408511A - Direct current power supply for manual arc welding - Google Patents

Direct current power supply for manual arc welding

Info

Publication number
GB1408511A
GB1408511A GB1844973A GB1844973A GB1408511A GB 1408511 A GB1408511 A GB 1408511A GB 1844973 A GB1844973 A GB 1844973A GB 1844973 A GB1844973 A GB 1844973A GB 1408511 A GB1408511 A GB 1408511A
Authority
GB
United Kingdom
Prior art keywords
power supply
arc welding
direct current
current power
manual arc
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
GB1844973A
Inventor
R Ericsson
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.)
ESAB Ltd
Original Assignee
ESAB Ltd
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 ESAB Ltd filed Critical ESAB Ltd
Publication of GB1408511A publication Critical patent/GB1408511A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
    • H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
    • H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/145—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means
    • H02M7/155—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only
    • H02M7/1555—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only with control circuit
    • H02M7/1557—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only with control circuit with automatic control of the output voltage or current
    • 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
    • B23K9/10—Other electric circuits therefor; Protective circuits; Remote controls
    • B23K9/1006—Power supply
    • B23K9/1043—Power supply characterised by the electric circuit
    • B23K9/1056—Power supply characterised by the electric circuit by using digital means

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Arc Welding Control (AREA)
  • Adornments (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Resistance Welding (AREA)

Abstract

1408511 Automatic control of arc welding ESAB Ltd 17 April 1973 [18 April 1972] 18449/73 Heading G3R A welding power supply as disclosed in Specification 1408512 further includes a link between means for adjusting the reference signal and means for adjusting the proportions of the current and voltage or transient voltage feedback signals so that the slope of the supply characteristic is determined by the setting of the reference signal.
GB1844973A 1972-04-18 1973-04-17 Direct current power supply for manual arc welding Expired GB1408511A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE496472A SE374240B (en) 1972-04-18 1972-04-18

Publications (1)

Publication Number Publication Date
GB1408511A true GB1408511A (en) 1975-10-01

Family

ID=20265387

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1844973A Expired GB1408511A (en) 1972-04-18 1973-04-17 Direct current power supply for manual arc welding

Country Status (9)

Country Link
JP (1) JPS49131927A (en)
CA (1) CA988172A (en)
DE (1) DE2319552A1 (en)
FI (1) FI61255C (en)
FR (1) FR2180973B1 (en)
GB (1) GB1408511A (en)
NL (1) NL7305445A (en)
NO (1) NO136166C (en)
SE (1) SE374240B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH629134A5 (en) * 1977-09-19 1982-04-15 Oerlikon Buehrle Schweisstech DEVICE FOR MIG-PULSE ARC WELDING.

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3337769A (en) * 1965-04-21 1967-08-22 Harnischfeger Corp Three phase controlled power supply for a direct current arc welding system

Also Published As

Publication number Publication date
FR2180973A1 (en) 1973-11-30
JPS49131927A (en) 1974-12-18
FR2180973B1 (en) 1976-11-12
NL7305445A (en) 1973-10-22
SE374240B (en) 1975-02-24
FI61255C (en) 1982-06-10
NO136166B (en) 1977-04-18
FI61255B (en) 1982-02-26
NO136166C (en) 1977-07-27
CA988172A (en) 1976-04-27
DE2319552A1 (en) 1973-10-31

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee