JPH0736957B2 - Welding method - Google Patents

Welding method

Info

Publication number
JPH0736957B2
JPH0736957B2 JP63055232A JP5523288A JPH0736957B2 JP H0736957 B2 JPH0736957 B2 JP H0736957B2 JP 63055232 A JP63055232 A JP 63055232A JP 5523288 A JP5523288 A JP 5523288A JP H0736957 B2 JPH0736957 B2 JP H0736957B2
Authority
JP
Japan
Prior art keywords
plate
aluminum
welding
thin plate
thick
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
JP63055232A
Other languages
Japanese (ja)
Other versions
JPH01228674A (en
Inventor
育雄 木村
義則 亀井
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP63055232A priority Critical patent/JPH0736957B2/en
Publication of JPH01228674A publication Critical patent/JPH01228674A/en
Publication of JPH0736957B2 publication Critical patent/JPH0736957B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Butt Welding And Welding Of Specific Article (AREA)
  • Arc Welding In General (AREA)

Description

【発明の詳細な説明】 〔産業上の利用分野〕 この発明は、金属の薄板と金属の厚板とを接合する溶接
方法に関するものである。
TECHNICAL FIELD The present invention relates to a welding method for joining a thin metal plate and a thick metal plate.

〔従来の技術〕 第5図および第6図は従来の溶接方法を示す断面図であ
り、例えば変圧器のコイルと口出しリードに用いられる
ようなアルミ薄板とアルミ厚板を接合する場合を示す。
第5図において、(1)は板状のアース電極、(2)は
アース電極(1)上に置かれたアルム厚板、(3)はア
ルミ厚板(2)上に重ねて置かれたアルミ薄板、(4)
はアークスポット溶接用トーチ、(5)はアークスポッ
ト溶接用トーチ(4)およびアース電極(1)それぞれ
に電気的に接続された溶接電源である。
[Prior Art] FIGS. 5 and 6 are cross-sectional views showing a conventional welding method, for example, a case where an aluminum thin plate and an aluminum thick plate used for a coil of a transformer and a lead wire are joined.
In FIG. 5, (1) is a plate-shaped ground electrode, (2) is an aluminum plate placed on the ground electrode (1), and (3) is placed on an aluminum plate (2) in an overlapping manner. Aluminum sheet, (4)
Is a torch for arc spot welding, and (5) is a welding power source electrically connected to the torch (4) for arc spot welding and the ground electrode (1).

まず、溶接電源(5)のスイッチ(図示せず)を投入
し、次いで、アークスポット溶接用トーチ(4)をアル
ミ薄板(3)に当てて押し付け、アルミ薄板(3)がそ
の断面積に応じて有している通電容量と、接合部の通電
溶量とをバランスさせるのに必要な数だけアークスポッ
ト溶接を行い、アルミ薄板(3)とアルミ厚板(1)を
接合する。
First, the welding power source (5) switch (not shown) is turned on, and then the arc spot welding torch (4) is pressed against the aluminum thin plate (3) and the aluminum thin plate (3) is adjusted according to its cross-sectional area. The aluminum thin plate (3) and the aluminum thick plate (1) are joined by performing arc spot welding as many times as necessary to balance the current carrying capacity and the amount of current flowing in the joint.

第6図はアルミ薄板(3)が2枚重ねて用いられる場合
を示し、アルミ薄板(3)以外は第5図の場合と同様な
ので説明を省略する。アルミ薄板(3)を複数枚重ねた
まま一緒にアルミ厚板(2)へ溶接すると、溶接が不確
実になるので、アルミ薄板(3)は一枚一枚ずらして、
一枚ずつアルミ厚板(2)に直接溶接する。
FIG. 6 shows a case where two aluminum thin plates (3) are used in a stacked manner, and the description is omitted because it is the same as the case of FIG. 5 except for the aluminum thin plates (3). If multiple aluminum thin plates (3) are welded together to the aluminum thick plate (2), the welding will be uncertain, so shift the aluminum thin plates (3) one by one,
Weld directly to the aluminum plate (2) one by one.

〔発明が解決しようとする課題〕[Problems to be Solved by the Invention]

従来の溶接方法は以上のように構成されているので、ア
ークスポット溶接の溶接点を多くとらねばならず、その
ために溶接作業時間が長くかかり、また、アークスポッ
ト溶接の能力の点から、薄板および厚板の板厚が厚い場
合や、薄板と厚板の板厚の差が大きい場合は溶接が困難
であるという問題点があった。
Since the conventional welding method is configured as described above, it is necessary to take many welding spots for arc spot welding, which requires a long welding work time, and from the viewpoint of the ability of arc spot welding, it is possible to use thin sheets and There is a problem that welding is difficult when the plate thickness of the thick plate is large, or when the difference in plate thickness between the thin plate and the thick plate is large.

この発明は上記のような問題点を解消するためになされ
たもので、溶接作業時間が短くてすみ、かつ、薄板およ
び厚板の板厚が厚い場合や、薄板と厚板の板厚の差が大
きい場合でも確実に溶接できる溶接方法を得ることを目
的とする。
The present invention has been made in order to solve the above problems, the welding work time is short, and when the thickness of the thin plate and the thick plate is thick, or the difference in the thickness of the thin plate and the thick plate. It is an object of the present invention to obtain a welding method that enables reliable welding even when the size is large.

〔課題を解決するための手段〕[Means for Solving the Problems]

この発明に係る溶接方法は、厚板の上に薄板を重ね、こ
の薄板の上から押さえ具で押し付けながら、押さえ具か
ら露出した薄板の端部と厚板の一部をプラズマアークに
より溶融する。
In the welding method according to the present invention, a thin plate is superposed on a thick plate, and the end of the thin plate exposed from the pressing member and a part of the thick plate are melted by a plasma arc while pressing the thin plate from above with the pressing member.

〔作用〕[Action]

この発明における溶接方法は、薄板の端部と厚板の一部
をプラズマアークにより溶融して溶着し、かつ、薄板の
溶融不要な部分は押さえ具で被われて溶融しない。
In the welding method according to the present invention, the end portion of the thin plate and a part of the thick plate are melted and welded by the plasma arc, and the unnecessary portion of the thin plate is covered with the pressing tool and is not melted.

〔発明の実施例〕Example of Invention

以下、この発明の一実施例を図について説明する。第1
図はこの発明の一実施例による溶接方法を示す斜視図、
第2図はその断面図である。図において、(1)は板状
のアース電極、(2)はアース電極(1)上に置かれた
アルミ厚板、(6)はこのアルミ厚板(2)の端部、
(3)はアルミ厚板(2)上に重ねて置かれたアルミ薄
板、(7)はアルミ薄板(3)の端部で、アルミ厚板
(2)の端部(6)よりも後退している。(8)はアル
ミ薄板(3)上に重ねて置かれたステンレスの押さえ具
で、溶融が必要な幅だけ、薄板(3)の端部(7)が露
出するよう後退して置かれている。(9)は押さえ具
(8)に当てられた加圧プレス、(10)はプラズマアー
ク溶接用トーチ、(5)プラズマアーク溶接用トーチ
(10)およびアース電極(1)それぞれに電気的に接続
された溶接電源である。
An embodiment of the present invention will be described below with reference to the drawings. First
FIG. 1 is a perspective view showing a welding method according to an embodiment of the present invention,
FIG. 2 is a sectional view thereof. In the figure, (1) is a plate-shaped ground electrode, (2) is an aluminum thick plate placed on the ground electrode (1), (6) is an end of this aluminum thick plate (2),
(3) is an aluminum thin plate placed on top of the aluminum thick plate (2), and (7) is an end of the aluminum thin plate (3), which is set back from the end (6) of the aluminum thick plate (2). ing. Reference numeral (8) is a stainless steel retainer placed on the aluminum thin plate (3) in a stacked manner, and is set back so as to expose the end (7) of the thin plate (3) by a width required for melting. . (9) is a pressure press applied to the retainer (8), (10) is a plasma arc welding torch, (5) is electrically connected to the plasma arc welding torch (10) and the ground electrode (1), respectively. It is a welding power source.

まず、加圧プレス(9)からの力を受けた押え具(8)
により薄板(3)を厚板(2)に押し付けて両者
(3),(2)を密着させる。次いで、溶接電源(5)
のスイッチ(図示せず)を投入し、プラズマアーク溶接
用トーチ(10)をアルミ薄板(3)の端部(7)の位置
に合せ、プラズマアークを照射して、押さえ具(8)か
ら露出しているアルミ薄板(3)の端部(7)とアルミ
厚板(2)の一部を溶融し溶着させる、プラズマアーク
を連続的に照射しながら、アルミ薄板(3)の端部
(7)とアルミ厚板(2)の一部が溶融されるに適した
速さでプラズマアーク溶接用トーチ(10)を移動させる
ことにより、溶接を連続的に行う。アルミ薄板(3)の
溶融が必要な端部(7)は溶融し、かつ、アルミ薄板
(3)の溶融が不要な部分は押さえ具(8)で被ってプ
ラズマアークの熱により溶け去るような不具合を防止し
ているので、確実に溶接できる。なお、押さえ具(8)
はアルミよりも溶融点が高いステンレスで作られている
ので溶融しない。
First, the retainer (8) receiving the force from the pressure press (9).
The thin plate (3) is pressed against the thick plate (2) to bring the two (3) and (2) into close contact with each other. Next, welding power source (5)
Switch (not shown) is turned on, the torch (10) for plasma arc welding is aligned with the position of the end (7) of the aluminum thin plate (3), the plasma arc is irradiated, and it is exposed from the retainer (8). The end portion (7) of the aluminum thin plate (3) is continuously irradiated with a plasma arc that melts and welds the end portion (7) of the aluminum thin plate (3) and a part of the aluminum thick plate (2). ) And a part of the aluminum plate (2) are melted, the welding is continuously performed by moving the torch (10) for plasma arc welding at a speed suitable for melting. The end portion (7) of the aluminum thin plate (3) that needs to be melted is melted, and the portion of the aluminum thin plate (3) that is not required to be melted is covered with the retainer (8) and melted away by the heat of the plasma arc. Since it prevents defects, welding can be performed reliably. In addition, the retainer (8)
Is not made of stainless steel, which has a higher melting point than aluminum.

第3図はこの発明の他の実施例による溶接方法を示す断
面図である。図において、アルミ薄板(3)が2枚重え
て用いられており、アルミ薄板(3)以外は第1図、第
2図の実施例と同様であるので説明を省略する。2枚の
アルミ薄板(3)は端部(7)を揃えてアルミ厚板
(2)上に置き、2枚のアルミ薄板(3)の端部(7)
とアルミ厚板(2)の一部を同時に溶融し、溶着させ
る。この実施例では複数のアルミ薄板(3)を同時に溶
融し、溶着させるので、第6図の従来例に比べて、溶接
作業時間の短縮の効果が大きい。
FIG. 3 is a sectional view showing a welding method according to another embodiment of the present invention. In the figure, two aluminum thin plates (3) are used in a stacked manner, and except the aluminum thin plate (3), it is the same as the embodiment of FIGS. The two aluminum thin plates (3) are placed on the aluminum thick plate (2) with their ends (7) aligned and placed on the ends (7) of the two aluminum thin plates (3).
And a part of the aluminum thick plate (2) are simultaneously melted and welded. In this embodiment, since a plurality of aluminum thin plates (3) are melted and welded at the same time, the effect of shortening the welding work time is greater than that of the conventional example shown in FIG.

第4はこの発明の更に他の実施例による溶接方法を示す
断面図である。アース電極(1)の形状に匂配を持たせ
ることにより、またはアース電極(1)の下にかませた
もの(図示せず)を用いることにより、溶接されるアル
ミ厚板(2)とアルミ薄板(3)を傾斜させたものであ
り、他は第3の実施例と同様であるので説明を省略す
る。この実施例では溶融したアルミ薄板(3)の端部
(7)やアルミ厚板(2)の一部がアルミ厚板(2)の
表面を伝って流失することがないので、確実な溶接が得
られやすい効果がある。
4th is sectional drawing which shows the welding method by further another Example of this invention. Aluminum plate (2) and aluminum to be welded by giving a shape to the ground electrode (1) or by using a material (not shown) below the ground electrode (1) The thin plate (3) is slanted and the other parts are the same as those in the third embodiment, and therefore the description thereof is omitted. In this embodiment, since the end portion (7) of the molten aluminum thin plate (3) and a part of the aluminum thick plate (2) do not flow down along the surface of the aluminum thick plate (2), reliable welding is achieved. There is an effect that is easily obtained.

なお、上記実施例ではステンレスの押さえ具(8)を用
いたが、溶接される金属の薄板および厚板よりも高い溶
融点を持つ材料であれば、他の金属あるいは金属以外の
固体であってもよい。
Although the stainless steel retainer (8) was used in the above embodiment, other metals or solids other than metal may be used as long as the material has a higher melting point than the thin and thick plates of metal to be welded. Good.

〔発明の効果〕〔The invention's effect〕

以上のように、この発明によれば、溶接作業が連続的に
行えるので溶接作業時間が短くてすみ、また、熱集中性
の高いプラズマアーク溶接を用い、薄板の溶融不要部分
を押さえ具で被って溶接するので、薄板および厚板の板
厚が厚い場合でも、あるいは、薄板と厚板の板厚の差が
大きい場合でも容易に確実な溶接が得られる効果があ
る。
As described above, according to the present invention, since the welding work can be performed continuously, the welding work time can be shortened, and plasma arc welding with high heat concentration is used to cover the unnecessary portion of the thin plate with the pressing tool. Since the welding is performed by welding, there is an effect that reliable welding can be easily obtained even when the thin plate and the thick plate have a large plate thickness or when the difference between the thin plate and the thick plate has a large plate thickness.

【図面の簡単な説明】[Brief description of drawings]

第1図および第2図はそれぞれこの発明の一実施例によ
る溶接方法を示す斜視図および断面図、第3図はこの発
明の他の実施例による溶接方法を示す断面図、第4図は
更に他の実施例による溶接方法を示す断面図、第5図お
よび第6図は従来の溶接方法を示す断面図である。 図において、(2)はアルミ厚板、(3)はアルミ薄
板、(6)はアルミ厚板の端部、(7)はアルミ薄板の
端部、(8)は押さえ具である。 なお、各図中、同一符号は同一、または相当部分を示
す。
1 and 2 are perspective views and sectional views showing a welding method according to an embodiment of the present invention, FIG. 3 is a sectional view showing a welding method according to another embodiment of the present invention, and FIG. FIGS. 5 and 6 are sectional views showing a welding method according to another embodiment, and FIGS. 5 and 6 are sectional views showing a conventional welding method. In the figure, (2) is an aluminum thick plate, (3) is an aluminum thin plate, (6) is an end of the aluminum thick plate, (7) is an end of the aluminum thin plate, and (8) is a retainer. In each figure, the same reference numerals indicate the same or corresponding parts.

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】金属の薄板とこの薄板よりも板厚の厚い金
属の厚板とを接合する溶接方法において、上記厚板の上
に上記薄板を、上記厚板の端部よりも上記薄板の端部を
後退させて重ね、上記薄板および上記厚板よりも溶融点
の高い押さえ具を上記薄板の上に、溶融部となる上記薄
板の上記端部を露出させて重ね、上記押さえ具により上
記薄板を上記厚板に押し付けながら上記薄板の上記端部
と上記厚板の一部をプラズマアークにより溶融して溶着
する溶接方法。
1. A welding method for joining a thin metal plate and a thick metal plate thicker than the thin plate, wherein the thin plate is formed on the thick plate, and The end portion is retreated and overlapped, and the presser having a higher melting point than the thin plate and the thick plate is overlapped on the thin plate so that the end of the thin plate to be the melted portion is exposed and stacked, and the presser A welding method in which the end portion of the thin plate and a part of the thick plate are melted and welded by a plasma arc while pressing the thin plate against the thick plate.
JP63055232A 1988-03-08 1988-03-08 Welding method Expired - Lifetime JPH0736957B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP63055232A JPH0736957B2 (en) 1988-03-08 1988-03-08 Welding method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63055232A JPH0736957B2 (en) 1988-03-08 1988-03-08 Welding method

Publications (2)

Publication Number Publication Date
JPH01228674A JPH01228674A (en) 1989-09-12
JPH0736957B2 true JPH0736957B2 (en) 1995-04-26

Family

ID=12992858

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63055232A Expired - Lifetime JPH0736957B2 (en) 1988-03-08 1988-03-08 Welding method

Country Status (1)

Country Link
JP (1) JPH0736957B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5811756A (en) * 1995-01-23 1998-09-22 Nippon Light Metal Company, Inc. ARC welding method for aluminum members and welded product excellent in dimensional accuracy and external appearance

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52141449A (en) * 1976-05-21 1977-11-25 Yamaha Motor Co Ltd Process for welding edge portions of metal sheets
JPS5954465A (en) * 1982-09-21 1984-03-29 Shinko Electric Co Ltd Lap welding device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52141449A (en) * 1976-05-21 1977-11-25 Yamaha Motor Co Ltd Process for welding edge portions of metal sheets
JPS5954465A (en) * 1982-09-21 1984-03-29 Shinko Electric Co Ltd Lap welding device

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Publication number Publication date
JPH01228674A (en) 1989-09-12

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