JPS5454943A - Control unit for groove copying in automatic tig welder - Google Patents

Control unit for groove copying in automatic tig welder

Info

Publication number
JPS5454943A
JPS5454943A JP12219077A JP12219077A JPS5454943A JP S5454943 A JPS5454943 A JP S5454943A JP 12219077 A JP12219077 A JP 12219077A JP 12219077 A JP12219077 A JP 12219077A JP S5454943 A JPS5454943 A JP S5454943A
Authority
JP
Japan
Prior art keywords
voltage
arc
deflecting
groove copying
sample
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.)
Pending
Application number
JP12219077A
Other languages
Japanese (ja)
Inventor
Junzo Tanimoto
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP12219077A priority Critical patent/JPS5454943A/en
Publication of JPS5454943A publication Critical patent/JPS5454943A/en
Pending legal-status Critical Current

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  • Arc Welding Control (AREA)

Abstract

PURPOSE: To provide a highly precise groove copying at an arc generating spot, left-and-right deflecting arc voltage are detected to drive slide unit. This means is not affected by external disturbance such as arc heat or arc light.
CONSTITUTION: A first left-and-right deflecting arc voltage is sample-held in sample and hold circuits 22 and 21. Both deflecting voltages are half added to a reference- voltage producing circuit 23, and a reference voltage in a center position is calculated. At a second deflection, the reference voltage is compared to left-and-right deflecting arc voltage in compared 24, and left-and-right control relays 18 and 19 are turned on to close a relay contact 28. Then a comparative error voltage is made zero by driving a motor 26 for driving slide unit. Such controlling operation, if used about one cycle per 10 seconds, enables a highly percise groove copying control in a normal TIG welding speed
COPYRIGHT: (C)1979,JPO&Japio
JP12219077A 1977-10-11 1977-10-11 Control unit for groove copying in automatic tig welder Pending JPS5454943A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12219077A JPS5454943A (en) 1977-10-11 1977-10-11 Control unit for groove copying in automatic tig welder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12219077A JPS5454943A (en) 1977-10-11 1977-10-11 Control unit for groove copying in automatic tig welder

Publications (1)

Publication Number Publication Date
JPS5454943A true JPS5454943A (en) 1979-05-01

Family

ID=14829791

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12219077A Pending JPS5454943A (en) 1977-10-11 1977-10-11 Control unit for groove copying in automatic tig welder

Country Status (1)

Country Link
JP (1) JPS5454943A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58205679A (en) * 1982-05-26 1983-11-30 Ishikawajima Harima Heavy Ind Co Ltd Method and apparatus for deflecting arc pillar in arc welding
JPS58189454U (en) * 1982-06-11 1983-12-16 株式会社陽栄製作所 forced combustion device
JPS5970476A (en) * 1982-10-14 1984-04-20 Mitsubishi Electric Corp Automatic welding device
JPS6250875U (en) * 1985-09-20 1987-03-30

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58205679A (en) * 1982-05-26 1983-11-30 Ishikawajima Harima Heavy Ind Co Ltd Method and apparatus for deflecting arc pillar in arc welding
JPH0448550B2 (en) * 1982-05-26 1992-08-07 Ishikawajima Harima Heavy Ind
JPS58189454U (en) * 1982-06-11 1983-12-16 株式会社陽栄製作所 forced combustion device
JPS6133398Y2 (en) * 1982-06-11 1986-09-30
JPS5970476A (en) * 1982-10-14 1984-04-20 Mitsubishi Electric Corp Automatic welding device
JPS6250875U (en) * 1985-09-20 1987-03-30

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