JPS5545540A - Backing strip for butt welding of thin plate - Google Patents

Backing strip for butt welding of thin plate

Info

Publication number
JPS5545540A
JPS5545540A JP11794978A JP11794978A JPS5545540A JP S5545540 A JPS5545540 A JP S5545540A JP 11794978 A JP11794978 A JP 11794978A JP 11794978 A JP11794978 A JP 11794978A JP S5545540 A JPS5545540 A JP S5545540A
Authority
JP
Japan
Prior art keywords
welding
backing strip
beads
thin plates
back side
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.)
Granted
Application number
JP11794978A
Other languages
Japanese (ja)
Other versions
JPS6059080B2 (en
Inventor
Akiyoshi Imanaga
Hironari Taguchi
Mitsuaki Haneda
Koichiro Furusawa
Yoshibumi Ichige
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
Original Assignee
Hitachi 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 filed Critical Hitachi Ltd
Priority to JP11794978A priority Critical patent/JPS6059080B2/en
Publication of JPS5545540A publication Critical patent/JPS5545540A/en
Publication of JPS6059080B2 publication Critical patent/JPS6059080B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Butt Welding And Welding Of Specific Article (AREA)

Abstract

PURPOSE: To prevent the decrease in strength at the end part of weld by using the backing strip engraved with the grooves of the specific shape at the time of butting thin plates and welding the same while forming back beads on the back side.
CONSTITUTION: A backing strip 7 engraved with a parallel groove 8 of a depth h and tapered grooves 9, 9' of a length S is applied on the back side of the butt part of thin plates and arc welding is performed. It is desirable that h be made 0.5W 3mm and S 5mm or over. As a result, back beads are not formed on the back side owing to cooling effect in the portions where the thin plates make close contact with the backing strip and the convex form back beads are formed in correspondence to the depths of the grooves along with the progression of welding. Hence, the abrupt concave beads are not produced in the beginning end and terminal end parts of welding, hence nicking phenomenon is prevented and the weld zone free from any welding defect is formed.
COPYRIGHT: (C)1980,JPO&Japio
JP11794978A 1978-09-27 1978-09-27 Backing metal for thin plate butt welding Expired JPS6059080B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11794978A JPS6059080B2 (en) 1978-09-27 1978-09-27 Backing metal for thin plate butt welding

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11794978A JPS6059080B2 (en) 1978-09-27 1978-09-27 Backing metal for thin plate butt welding

Publications (2)

Publication Number Publication Date
JPS5545540A true JPS5545540A (en) 1980-03-31
JPS6059080B2 JPS6059080B2 (en) 1985-12-23

Family

ID=14724212

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11794978A Expired JPS6059080B2 (en) 1978-09-27 1978-09-27 Backing metal for thin plate butt welding

Country Status (1)

Country Link
JP (1) JPS6059080B2 (en)

Also Published As

Publication number Publication date
JPS6059080B2 (en) 1985-12-23

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