JPH0249829B2 - - Google Patents

Info

Publication number
JPH0249829B2
JPH0249829B2 JP56014285A JP1428581A JPH0249829B2 JP H0249829 B2 JPH0249829 B2 JP H0249829B2 JP 56014285 A JP56014285 A JP 56014285A JP 1428581 A JP1428581 A JP 1428581A JP H0249829 B2 JPH0249829 B2 JP H0249829B2
Authority
JP
Japan
Prior art keywords
current
current value
welding
value
pulse
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 - Lifetime
Application number
JP56014285A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57130770A (en
Inventor
Kiju Endo
Takeshi Araya
Kiroku Fujiwara
Toshiaki Umaki
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.)
Hitachi Ltd
Via Mechanics Ltd
Original Assignee
Hitachi Ltd
Hitachi Seiko 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 Hitachi Ltd, Hitachi Seiko Ltd filed Critical Hitachi Ltd
Priority to JP1428581A priority Critical patent/JPS57130770A/ja
Publication of JPS57130770A publication Critical patent/JPS57130770A/ja
Publication of JPH0249829B2 publication Critical patent/JPH0249829B2/ja
Granted legal-status Critical Current

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
    • B23K9/091—Arrangements or circuits for arc welding with pulsed current or voltage characterised by the circuits
    • B23K9/093—Arrangements or circuits for arc welding with pulsed current or voltage characterised by the circuits the frequency of the pulses produced being modulatable

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Arc Welding Control (AREA)
JP1428581A 1981-02-04 1981-02-04 Arc welding method Granted JPS57130770A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1428581A JPS57130770A (en) 1981-02-04 1981-02-04 Arc welding method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1428581A JPS57130770A (en) 1981-02-04 1981-02-04 Arc welding method

Publications (2)

Publication Number Publication Date
JPS57130770A JPS57130770A (en) 1982-08-13
JPH0249829B2 true JPH0249829B2 (enrdf_load_html_response) 1990-10-31

Family

ID=11856814

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1428581A Granted JPS57130770A (en) 1981-02-04 1981-02-04 Arc welding method

Country Status (1)

Country Link
JP (1) JPS57130770A (enrdf_load_html_response)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4023155C2 (de) * 1989-07-21 1997-02-06 Hitachi Seiko Kk Wechselstrom-Schutzgaslichtbogenschweißverfahren und Vorrichtung mit verbrauchbarer Elektrode
JP4877760B2 (ja) * 2006-07-14 2012-02-15 ヤンマー株式会社 作業車両のランプ付アシストバー

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5024895A (enrdf_load_html_response) * 1973-07-06 1975-03-17
JPS5211947A (en) * 1975-07-18 1977-01-29 Fujitsu Ltd Eccentricity measuring method
JPS5412415A (en) * 1977-06-30 1979-01-30 Toshiba Corp Inverter protection system

Also Published As

Publication number Publication date
JPS57130770A (en) 1982-08-13

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