JP2015213928A - Friction-agitation joint method - Google Patents

Friction-agitation joint method Download PDF

Info

Publication number
JP2015213928A
JP2015213928A JP2014096849A JP2014096849A JP2015213928A JP 2015213928 A JP2015213928 A JP 2015213928A JP 2014096849 A JP2014096849 A JP 2014096849A JP 2014096849 A JP2014096849 A JP 2014096849A JP 2015213928 A JP2015213928 A JP 2015213928A
Authority
JP
Japan
Prior art keywords
auxiliary member
friction stir
metal
joining
main
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
JP2014096849A
Other languages
Japanese (ja)
Other versions
JP6248790B2 (en
Inventor
伸城 瀬尾
Nobushiro Seo
伸城 瀬尾
堀　久司
Hisashi Hori
久司 堀
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.)
Nippon Light Metal Co Ltd
Original Assignee
Nippon Light Metal 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 Nippon Light Metal Co Ltd filed Critical Nippon Light Metal Co Ltd
Priority to JP2014096849A priority Critical patent/JP6248790B2/en
Publication of JP2015213928A publication Critical patent/JP2015213928A/en
Application granted granted Critical
Publication of JP6248790B2 publication Critical patent/JP6248790B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Pressure Welding/Diffusion-Bonding (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a friction-agitation joint method capable of improving the operability of a rotary tool and capable of preventing a metal shortage due to friction agitation.SOLUTION: A friction-agitation joint method for jointing two metallic components 1 and 1 by using a book jointing rotary tool having agitation pins F2 comprises: an abutting step of causing metallic members 1 and 1 to abut against each other to form a first abutting part J1; an auxiliary member arranging step for arranging such an auxiliary member 11 in a recess 10 formed along the first abutting part J1 as is made thicker than the depth of the recess 10; and a first intrinsic joint step of inserting a rotating agitation pin F2 from the surface 11a of the auxiliary member 11 thereby to agitate the first abutting part J1 while only the agitation pin F2 being made to contact with the auxiliary member 11 and the metallic components 1 and 11.

Description

本発明は、摩擦攪拌によって金属部材を接合する摩擦攪拌接合方法に関する。   The present invention relates to a friction stir welding method for joining metal members by friction stirring.

一対の金属部材同士を接合する方法として、摩擦攪拌接合（ＦＳＷ＝Friction Stir Welding）が知られている。摩擦攪拌接合は、回転ツールを金属部材同士の突合せ部に沿って移動させ、回転ツールと金属部材との摩擦熱により突合せ部の金属を塑性流動させることで、金属部材同士を固相接合するものである。   Friction stir welding (FSW = Friction Stir Welding) is known as a method for joining a pair of metal members. Friction stir welding is a method of solid-phase joining metal members by moving the rotary tool along the abutting part between metal members and plastically flowing the metal at the abutting part by frictional heat between the rotating tool and the metal member. It is.

特許文献１には、摩擦攪拌装置に連結される連結部と、連結部から垂下する攪拌ピンとを備えた本接合用回転ツールを用いて摩擦攪拌を行う技術が開示されている。当該摩擦攪拌接合方法では、従来のように金属部材にショルダ部を接触させずに、攪拌ピンのみを金属部材に接触させた状態で摩擦攪拌を行うため、回転ツールの操作性を向上させることができる。   Patent Document 1 discloses a technique of performing friction stirring using a main rotating tool including a connecting portion connected to a friction stirrer and a stirring pin hanging from the connecting portion. In the friction stir welding method, since the friction stir is performed in a state where only the stirring pin is in contact with the metal member without bringing the shoulder portion into contact with the metal member as in the prior art, the operability of the rotary tool can be improved. it can.

また、当該摩擦攪拌接合方法によれば、金属部材にショルダ部を接触させないため、摩擦攪拌装置に大きな負荷が作用しない状態で、金属部材の深い位置まで摩擦攪拌を行うことができる。   Further, according to the friction stir welding method, the shoulder portion is not brought into contact with the metal member, and therefore, the friction stir can be performed up to a deep position of the metal member without applying a large load to the friction stirrer.

特開２０１３−３９６１３号公報JP 2013-39613 A

しかし、当該摩擦攪拌接合方法では、ショルダ部を金属部材に接触させないため、塑性流動化した金属が金属部材の表面に溢れ出やすくなり、接合部が金属不足になるおそれがある。   However, in the friction stir welding method, since the shoulder portion is not brought into contact with the metal member, the plastic fluidized metal tends to overflow to the surface of the metal member, and the joint portion may be insufficient in metal.

そこで、本発明は、回転ツールの操作性を向上させることができるとともに、摩擦攪拌による金属不足を防ぐことができる摩擦攪拌接合方法を提供することを課題とする。   Then, this invention makes it a subject to provide the friction stir welding method which can improve the operativity of a rotary tool and can prevent the metal shortage by friction stirring.

前記課題を解決するために、本発明は、攪拌ピンを備えた回転ツールを用いて二つの金属部材を接合する摩擦攪拌接合方法であって、前記金属部材同士を突き合わせて第一突合せ部を形成する突合せ工程と、前記第一突合せ部に沿って形成された凹部に、当該凹部の深さよりも厚く形成された補助部材を配置して前記第一突合せ部を覆う補助部材配置工程と、前記補助部材の表面から回転した前記攪拌ピンを挿入し、前記補助部材及び前記両金属部材、又は、前記補助部材のみに前記攪拌ピンのみを接触させた状態で前記第一突合せ部を摩擦攪拌する第一の本接合工程と、を含むことを特徴とする。   In order to solve the above-mentioned problem, the present invention is a friction stir welding method for joining two metal members using a rotary tool equipped with a stirring pin, and the metal members are brought into contact with each other to form a first abutting portion. An abutting step, an auxiliary member arranging step for covering the first abutting portion by arranging an auxiliary member formed thicker than a depth of the concave portion in the concave portion formed along the first abutting portion, and the auxiliary The first abutting portion is frictionally stirred by inserting the stirring pin rotated from the surface of the member and contacting only the stirring pin with the auxiliary member and both metal members or only the auxiliary member. And a main bonding step.

かかる方法によれば、凹部の深さよりも厚く形成された補助部材の表面から回転ツールの攪拌ピンを挿入して第一の本接合工程を行うため、金属不足を防ぐことができる。また、補助部材を凹部に配置することで第一の本接合工程を安定して行うことができる。また、攪拌ピンのみを補助部材及び両金属部材、又は、補助部材のみに接触させた状態で摩擦攪拌を行うため、回転ツールの操作性を向上させることができる。   According to this method, since the first main joining process is performed by inserting the stirring pin of the rotary tool from the surface of the auxiliary member formed thicker than the depth of the recess, it is possible to prevent metal shortage. Moreover, a 1st main joining process can be stably performed by arrange | positioning an auxiliary member in a recessed part. Further, since the friction stirring is performed with only the stirring pin in contact with the auxiliary member and both metal members or only the auxiliary member, the operability of the rotary tool can be improved.

また、前記第一の本接合工程後に、前記金属部材の表面から突出する前記補助部材を切除する切除工程を含むことが好ましい。   Moreover, it is preferable to include the cutting process which cuts out the said auxiliary member which protrudes from the surface of the said metal member after said 1st main joining process.

かかる接合方法によれば、金属部材の表面を平滑にすることができる。   According to this joining method, the surface of the metal member can be smoothed.

また、前記第一の本接合工程を行う前に、前記補助部材と前記金属部材とを仮接合する補助部材仮接合工程を含むことが好ましい。   Moreover, it is preferable to include the auxiliary member temporary joining process of temporarily joining the said auxiliary member and the said metal member before performing said 1st main joining process.

かかる接合方法によれば、補助部材が金属部材に固定されるため、第一の本接合工程をより安定して行うことができる。   According to this joining method, since the auxiliary member is fixed to the metal member, the first main joining step can be performed more stably.

また、前記切除工程後に、前記補助部材と前記両金属部材とが突き合わされた一対の第二突合せ部に対して摩擦攪拌を行う補修工程を含むことが好ましい。   Moreover, it is preferable to include the repair process which carries out friction stirring with respect to a pair of 2nd butt | matching part by which the said auxiliary member and both said metal members were faced | matched after the said cutting process.

かかる接合方法によれば、第二突合せ部が摩擦攪拌されることで水密性及び気密性を向上させることができる。また、補助部材仮接合工程を行った後は、第二突合せ部の周辺に接合痕が残存するおそれがあるが、補修工程を行うことで当該接合痕を補修することができる。   According to such a joining method, the watertightness and the airtightness can be improved by the friction stir of the second butted portion. Moreover, after performing an auxiliary member temporary joining process, although there exists a possibility that a joining trace may remain in the periphery of a 2nd butt | matching part, the said joining trace can be repaired by performing a repair process.

また、前記補助部材配置工程を行う前に、前記第一突合せ部に仮接合を行う金属部材仮接合工程を含むことが好ましい。   Moreover, it is preferable to include a metal member temporary joining step of temporarily joining the first butted portion before performing the auxiliary member arranging step.

かかる接合方法によれば、第一の本接合工程を行う際の第一突合せ部の目開きを防ぐことができる。   According to this joining method, it is possible to prevent the opening of the first butting portion when the first main joining step is performed.

また、前記突合せ部に対して前記金属部材の裏面側から摩擦攪拌を行う第二の本接合工程を含み、前記第二の本接合工程では、前記第一の本接合工程で形成された塑性化領域と前記第二の本接合工程で形成された塑性化領域とを接触させることが好ましい。   In addition, a second main joining step in which friction agitation is performed from the back side of the metal member to the butt portion, and in the second main joining step, plasticization formed in the first main joining step is performed. It is preferable to bring the region into contact with the plasticized region formed in the second main joining step.

かかる接合方法によれば、接合部の水密性及び気密性を向上させることができるとともに、接合強度を高めることができる。   According to this joining method, the water tightness and air tightness of the joint can be improved, and the joining strength can be increased.

また、前記突合せ部の脇にタブ材を配置するタブ材配置工程を含み、前記第一の本接合工程では、前記タブ材に形成された下穴に前記回転ツールの前記攪拌ピンを挿入して摩擦攪拌を行うことが好ましい。   Further, it includes a tab material arranging step of arranging a tab material beside the abutting portion, and in the first main joining step, the stirring pin of the rotating tool is inserted into a prepared hole formed in the tab material. It is preferable to perform friction stirring.

かかる接合方法によれば、タブ材を用いることで第一の本接合工程を容易に行うことができる。また、第一の本接合工程後にタブ材を切除することで、金属部材の側面をきれいに仕上げることができる。   According to this joining method, the first main joining step can be easily performed by using the tab material. Moreover, the side surface of a metal member can be finished finely by excising a tab material after a 1st main joining process.

また、本発明は、攪拌ピンを備えた回転ツールを用いて二つの金属部材を接合する摩擦攪拌接合方法であって、前記金属部材同士を突き合わせて突合せ部を形成する突合せ工程と、前記突合せ部を覆うように前記金属部材の表面に補助部材を配置する補助部材配置工程と、前記補助部材の表面から回転した前記回転ツールを挿入し、前記補助部材及び前記両金属部材、又は、前記補助部材のみに前記攪拌ピンのみを接触させた状態で前記突合せ部を摩擦攪拌する第一の本接合工程と、を含むことを特徴とする。   Further, the present invention is a friction stir welding method for joining two metal members using a rotary tool provided with a stirring pin, the butting step of butting the metal members together to form a butting portion, and the butting portion An auxiliary member arranging step of arranging an auxiliary member on the surface of the metal member so as to cover the surface, and inserting the rotating tool rotated from the surface of the auxiliary member, and the auxiliary member and both metal members, or the auxiliary member And a first main joining step of frictionally stirring the butted portion in a state where only the stirring pin is in contact with the first butting portion.

かかる接合方法によれば、補助部材の表面から回転ツールの攪拌ピンを挿入して第一の本接合工程を行うため、金属不足を防ぐことができる。また、攪拌ピンのみを補助部材及び両金属部材、又は、補助部材のみに接触させた状態で摩擦攪拌を行うため、回転ツールの操作性を向上させることができる。   According to this joining method, since the first main joining process is performed by inserting the stirring pin of the rotary tool from the surface of the auxiliary member, it is possible to prevent metal shortage. Further, since the friction stirring is performed with only the stirring pin in contact with the auxiliary member and both metal members or only the auxiliary member, the operability of the rotary tool can be improved.

また、前記第一の本接合工程後に、前記金属部材の表面から突出する前記補助部材を切除する切除工程を含むことが好ましい。   Moreover, it is preferable to include the cutting process which cuts out the said auxiliary member which protrudes from the surface of the said metal member after said 1st main joining process.

かかる接合方法によれば、金属部材の表面を平滑にすることができる。   According to this joining method, the surface of the metal member can be smoothed.

また、前記第一の本接合工程を行う前に、前記補助部材と前記金属部材とを仮接合する補助部材仮接合工程を含むことが好ましい。   Moreover, it is preferable to include the auxiliary member temporary joining process of temporarily joining the said auxiliary member and the said metal member before performing said 1st main joining process.

かかる接合方法によれば、補助部材が金属部材に固定されるため、第一の本接合工程をより安定して行うことができる。   According to this joining method, since the auxiliary member is fixed to the metal member, the first main joining step can be performed more stably.

また、前記補助部材配置工程を行う前に、前記突合せ部に仮接合を行う金属部材仮接合工程を含むことが好ましい。   Moreover, it is preferable to include the metal member temporary joining process of performing temporary joining to the said butt | matching part before performing the said auxiliary member arrangement | positioning process.

かかる接合方法によれば、第一の本接合工程を行う際の突合せ部の目開きを防ぐことができる。   According to this joining method, it is possible to prevent the opening of the butt portion when the first main joining process is performed.

また、前記突合せ部に対して前記金属部材の裏面側から摩擦攪拌を行う第二の本接合工程を含み、前記第二の本接合工程では、前記第一の本接合工程で形成された塑性化領域と前記第二の本接合工程で形成された塑性化領域とを接触させることが好ましい。   In addition, a second main joining step in which friction agitation is performed from the back side of the metal member to the butt portion, and in the second main joining step, plasticization formed in the first main joining step is performed. It is preferable to bring the region into contact with the plasticized region formed in the second main joining step.

かかる接合方法によれば、接合部の水密性及び気密性を向上させることができるとともに、接合強度を高めることができる。   According to this joining method, the water tightness and air tightness of the joint can be improved, and the joining strength can be increased.

また、前記突合せ部の脇にタブ材を配置するタブ材配置工程を含み、前記第一の本接合工程では、前記タブ材に形成された下穴に前記回転ツールの前記攪拌ピンを挿入して摩擦攪拌を行うことが好ましい。   Further, it includes a tab material arranging step of arranging a tab material beside the abutting portion, and in the first main joining step, the stirring pin of the rotating tool is inserted into a prepared hole formed in the tab material. It is preferable to perform friction stirring.

かかる接合方法によれば、タブ材を用いることで第一の本接合工程を容易に行うことができる。また、第一の本接合工程後にタブ材を切除することで、金属部材の側面をきれいに仕上げることができる。   According to this joining method, the first main joining step can be easily performed by using the tab material. Moreover, the side surface of a metal member can be finished finely by excising a tab material after a 1st main joining process.

本発明に係る摩擦攪拌接合方法によれば、回転ツールの操作性を向上させることができるとともに、摩擦攪拌による金属不足を防ぐことができる。   According to the friction stir welding method according to the present invention, it is possible to improve the operability of the rotary tool and to prevent metal shortage due to friction stirring.

本接合用回転ツールを示す側面図である。It is a side view which shows the rotation tool for this joining. 本発明の第一実施形態に係る摩擦攪拌接合方法を示す断面図であって、（ａ）は突合せ工程を示し、（ｂ）は凹部形成工程及び金属部材仮接合工程を示し、（ｃ）は補助部材配置工程を示す。It is sectional drawing which shows the friction stir welding method which concerns on 1st embodiment of this invention, Comprising: (a) shows a butt | matching process, (b) shows a recessed part formation process and a metal member temporary joining process, (c) is An auxiliary member arrangement process is shown. 第一実施形態に係る補助部材仮接合工程及びタブ材配置工程を示す斜視図である。It is a perspective view which shows the auxiliary member temporary joining process and tab material arrangement | positioning process which concern on 1st embodiment. 第一実施形態に係る第一の本接合工程を示す図であって、（ａ）は縦断面図を示し、（ｂ）は横断面図を示す。It is a figure which shows the 1st main joining process which concerns on 1st embodiment, Comprising: (a) shows a longitudinal cross-sectional view, (b) shows a cross-sectional view. （ａ）は第一実施形態に係る第一の本接合工程後を示す断面図であり、（ｂ）は第一実施形態に係る切除工程を示す断面図である。(A) is sectional drawing which shows the 1st main joining process after 1st embodiment, (b) is sectional drawing which shows the cutting process which concerns on 1st embodiment. 第一実施形態に係る補修工程を示す斜視図である。It is a perspective view which shows the repair process which concerns on 1st embodiment. （ａ）は第一実施形態に係る第二の本接合工程を示す断面図であり、（ｂ）は第一実施形態に係る第二の本接合工程後を示す断面図である。(A) is sectional drawing which shows the 2nd main joining process which concerns on 1st embodiment, (b) is sectional drawing which shows the 2nd main joining process which concerns on 1st embodiment. 本発明の第二実施形態に係る摩擦攪拌接合方法を示す断面図であって、（ａ）は突合せ工程、金属部材仮接合工程、補助部材配置工程及び補助部材仮接合工程を示し、（ｂ）は第一の本接合工程を示す。It is sectional drawing which shows the friction stir welding method which concerns on 2nd embodiment of this invention, Comprising: (a) shows a butt | matching process, a metal member temporary joining process, an auxiliary member arrangement | positioning process, and an auxiliary member temporary joining process, (b) Indicates the first main joining step. （ａ）は第二実施形態に係る第一の本接合工程後を示す断面図であり、（ｂ）は第二実施形態に係る切除工程を示す断面図である。(A) is sectional drawing which shows the 1st main joining process which concerns on 2nd embodiment, (b) is sectional drawing which shows the cutting process which concerns on 2nd embodiment. 第二実施形態に係る第二の本接合工程を示す断面図である。It is sectional drawing which shows the 2nd main joining process which concerns on 2nd embodiment.

本発明の実施形態について図面を参照して詳細に説明する。まずは、本実施形態で用いる本接合用回転ツールについて説明する。   Embodiments of the present invention will be described in detail with reference to the drawings. First, the main welding rotary tool used in the present embodiment will be described.

図１に示すように、本接合用回転ツールＦは、連結部Ｆ１と、攪拌ピンＦ２とで構成されている。本接合用回転ツールＦは、特許請求の範囲の「回転ツール」に相当する。本接合用回転ツールＦは、例えば工具鋼で形成されている。連結部Ｆ１は、摩擦攪拌装置の回転軸に連結される部位である。連結部Ｆ１は円柱状を呈し、ボルトが締結されるネジ孔Ｂ，Ｂが形成されている。   As shown in FIG. 1, the main rotating tool for joining F includes a connecting portion F1 and a stirring pin F2. The main joining rotary tool F corresponds to a “rotary tool” in the claims. The main rotating tool F for joining is formed of, for example, tool steel. The connecting part F1 is a part connected to the rotating shaft of the friction stirrer. The connecting portion F1 has a cylindrical shape, and is formed with screw holes B and B to which bolts are fastened.

攪拌ピンＦ２は、連結部Ｆ１から垂下しており、連結部Ｆ１と同軸になっている。攪拌ピンＦ２は連結部Ｆ１から離間するにつれて先細りになっている。   The stirring pin F2 hangs down from the connecting portion F1 and is coaxial with the connecting portion F1. The stirring pin F2 is tapered as it is separated from the connecting portion F1.

攪拌ピンＦ２の外周面には螺旋溝Ｆ３が刻設されている。本実施形態では、本接合用回転ツールＦを右回転させるため、螺旋溝Ｆ３は、基端から先端に向かうにつれて左回りに形成されている。言い換えると、螺旋溝Ｆ３は、螺旋溝Ｆ３を基端から先端に向けてなぞると上から見て左回りに形成されている。   A spiral groove F3 is formed on the outer peripheral surface of the stirring pin F2. In the present embodiment, the spiral groove F3 is formed in a counterclockwise direction from the proximal end toward the distal end in order to rotate the main joining rotary tool F to the right. In other words, the spiral groove F3 is formed counterclockwise as viewed from above when the spiral groove F3 is traced from the base end to the tip.

なお、本接合用回転ツールＦを左回転させる場合は、螺旋溝Ｆ３を基端から先端に向かうにつれて右回りに形成することが好ましい。言い換えると、この場合の螺旋溝Ｆ３は、螺旋溝Ｆ３を基端から先端に向けてなぞると上から見て右回りに形成されている。螺旋溝Ｆ３をこのように設定することで、摩擦攪拌の際に塑性流動化した金属が螺旋溝Ｆ３によって攪拌ピンＦ２の先端側に導かれる。これにより、被接合金属部材（金属部材１，１）の外部に溢れ出る金属の量を少なくすることができる。   In addition, when rotating this welding rotation tool F counterclockwise, it is preferable to form the spiral groove F3 in the clockwise direction from the proximal end toward the distal end. In other words, the spiral groove F3 in this case is formed clockwise when viewed from above when the spiral groove F3 is traced from the proximal end to the distal end. By setting the spiral groove F3 in this way, the plastic fluidized metal at the time of frictional stirring is guided to the tip side of the stirring pin F2 by the spiral groove F3. Thereby, the quantity of the metal which overflows to the exterior of a to-be-joined metal member (metal member 1, 1) can be decreased.

本接合用回転ツールＦを用いて摩擦攪拌接合をする際には、被接合金属部材に回転した攪拌ピンＦ２のみを挿入し、被接合金属部材と連結部Ｆ１とは離間させつつ移動させる。本接合用回転ツールＦの詳細な接合形態については後記する。   When the friction stir welding is performed using the main rotating tool F, only the rotated stirring pin F2 is inserted into the metal member to be bonded, and the metal member to be bonded and the connecting portion F1 are moved while being separated from each other. A detailed joining form of the main joining rotary tool F will be described later.

［第一実施形態］
次に、第一実施形態に係る摩擦攪拌接合方法について説明する。図２の（ａ）に示すように、本実施形態では、金属部材１，１同士を突き合わせて形成された第一突合せ部Ｊ１を摩擦攪拌によって接合する。金属部材１，１は、金属製の板状部材であって、同等の形状になっている。金属部材１，１は、少なくとも突き合わされる部分が同等の形状であればよい。 [First embodiment]
Next, the friction stir welding method according to the first embodiment will be described. As shown to (a) of FIG. 2, in this embodiment, the 1st butt | matching part J1 formed by butting | matching metal members 1 and 1 is joined by friction stirring. The metal members 1 and 1 are metal plate-like members and have the same shape. The metal members 1 and 1 should just be an equivalent shape at least at the part to be faced.

金属部材１，１は同等の材料で形成されている。金属部材１の材料は、摩擦攪拌可能な金属であれば特に制限されないが、例えば、アルミニウム、アルミニウム合金、銅、銅合金、チタン、チタン合金、 マグネシウム、マグネシウム合金等から適宜選択すればよい。   The metal members 1 and 1 are made of an equivalent material. The material of the metal member 1 is not particularly limited as long as it is a metal that can be frictionally stirred. For example, it may be appropriately selected from aluminum, aluminum alloy, copper, copper alloy, titanium, titanium alloy, magnesium, magnesium alloy, and the like.

第一本実施形態に係る接合方法では、表面接合工程と、裏面接合工程とを行う。表面接合工程は、金属部材１，１の表面１ｂ，１ｂ側から接合する工程である。裏面接合工程は、裏面１ｃ，１ｃ側から接合する工程である。   In the bonding method according to the first embodiment, a front surface bonding step and a back surface bonding step are performed. The surface bonding step is a step of bonding from the surface 1b, 1b side of the metal members 1,1. The back surface joining step is a step of joining from the back surface 1c, 1c side.

表面接合工程は、突合せ工程と、凹部形成工程と、金属部材仮接合工程と、補助部材配置工程と、補助部材仮接合工程と、タブ材配置工程と、第一の本接合工程と、切除工程と、補修工程と、を行う。   The surface bonding process includes a butt process, a recess forming process, a metal member temporary bonding process, an auxiliary member arranging process, an auxiliary member temporary bonding process, a tab material arranging process, a first main bonding process, and a cutting process. And a repair process.

突合せ工程は、金属部材１，１を突き合わせる工程である。図２の（ａ）に示すように、突合せ工程では、金属部材１，１の端面１ａ，１ａ同士を突き合わせる。突合せ工程によって第一突合せ部Ｊ１が形成される。金属部材１，１の表面１ｂ，１ｂ及び裏面１ｃ，１ｃはいずれも面一になっている。   The butting process is a process of matching the metal members 1 and 1 together. As shown to (a) of FIG. 2, in the butt | matching process, the end surfaces 1a and 1a of the metal members 1 and 1 are butt | matched. The first butting portion J1 is formed by the butting process. The front surfaces 1b and 1b and the back surfaces 1c and 1c of the metal members 1 and 1 are all flush with each other.

凹部形成工程は、第一突合せ部Ｊ１に沿って凹部１０を形成する工程である。図２の（ｂ）に示すように、凹部形成工程では、第一突合せ部Ｊ１に沿って断面矩形状の凹部１０を形成する。凹部形成工程では、例えば、エンドミル等を用いて金属部材１，１の一部を切削して形成する。凹部１０は、底面１０ａと、底面１０ａの両端から立ち上がる側壁１０ｂ，１０ｂとで構成されている。凹部１０の形状は、本実施形態では断面矩形状にしたが、後記する補助部材１１が隙間なく配置されるように、補助部材１１の形状に合わせて適宜形成すればよい。   The recess forming step is a step of forming the recess 10 along the first butting portion J1. As shown in FIG. 2B, in the recess forming step, the recess 10 having a rectangular cross section is formed along the first butting portion J1. In the recess forming step, for example, a part of the metal members 1 and 1 is cut and formed using an end mill or the like. The recess 10 includes a bottom surface 10a and side walls 10b and 10b rising from both ends of the bottom surface 10a. In this embodiment, the concave portion 10 has a rectangular cross section. However, the concave portion 10 may be appropriately formed according to the shape of the auxiliary member 11 so that the auxiliary member 11 to be described later is arranged without a gap.

なお、本実施形態では、凹部１０を切削により形成したが、これに限定されるものではない。例えば、予め切欠き部が形成された金属部材同士を突き合わせて凹部１０を形成してもよい。   In addition, in this embodiment, although the recessed part 10 was formed by cutting, it is not limited to this. For example, the concave portion 10 may be formed by abutting metal members having a notch formed in advance.

金属部材仮接合工程は、金属部材１，１を仮接合する工程である。図２の（ｂ）に示すように、金属部材仮接合工程では、凹部１０の底面１０ａに露出する第一突合せ部Ｊ１に沿って摩擦攪拌により仮接合を行う。金属部材仮接合工程は、第一突合せ部Ｊ１に対して連続的に行ってもよいし、断続的に行ってもよい。また、金属部材仮接合工程では、どのような回転ツールを用いてもよいが、本実施形態では小型回転ツール（図示省略）を用いる。小型回転ツールの移動軌跡には塑性化領域Ｗが形成される。   The metal member temporary joining step is a step of temporarily joining the metal members 1 and 1. As shown in FIG. 2B, in the metal member temporary joining step, temporary joining is performed by friction stirring along the first abutting portion J <b> 1 exposed on the bottom surface 10 a of the recess 10. The metal member temporary joining step may be performed continuously or intermittently with respect to the first butting portion J1. In the metal member temporary joining step, any rotary tool may be used, but a small rotary tool (not shown) is used in the present embodiment. A plasticized region W is formed on the movement trajectory of the small rotary tool.

なお、金属部材仮接合工程は、溶接で行ってもよい。また、金属部材仮接合工程は省略してもよい。   In addition, you may perform a metal member temporary joining process by welding. Moreover, you may abbreviate | omit a metal member temporary joining process.

補助部材配置工程は、凹部１０に補助部材１１を配置する工程である。図２の（ｃ）及び図３に示すように、補助部材１１は、断面矩形状を呈する板状部材である。補助部材１１の材料は摩擦攪拌可能であれば特に制限されないが、金属部材１と同等の材料で形成することが好ましい。   The auxiliary member arranging step is a step of arranging the auxiliary member 11 in the recess 10. As shown in FIGS. 2C and 3, the auxiliary member 11 is a plate-like member having a rectangular cross section. The material of the auxiliary member 11 is not particularly limited as long as it can be frictionally stirred, but is preferably formed of a material equivalent to that of the metal member 1.

補助部材１１の幅は、凹部１０の幅と略同等に形成されている。補助部材１１の高さは、凹部１０の深さよりも大きく形成されている。補助部材１１の高さは、本実施形態では凹部１０の深さの二倍程度になっている。補助部材１１の長さは適宜設定すればよいが、本実施形態では第一突合せ部Ｊ１の長さと同等になっている。補助部材１１はほぼ隙間のない状態で凹部１０に配置される。補助部材１１を配置することによって塑性化領域Ｗ（突合せ部Ｊ１）が覆われる。   The width of the auxiliary member 11 is formed substantially equal to the width of the recess 10. The height of the auxiliary member 11 is larger than the depth of the recess 10. The height of the auxiliary member 11 is about twice the depth of the recess 10 in this embodiment. Although the length of the auxiliary member 11 may be set as appropriate, in the present embodiment, it is equal to the length of the first butting portion J1. The auxiliary member 11 is disposed in the recess 10 with almost no gap. Placing the auxiliary member 11 covers the plasticized region W (butting portion J1).

補助部材仮接合工程は、金属部材１，１に補助部材１１を仮接合する工程である。図３に示すように、補助部材仮接合工程では、金属部材１の表面１ｂと補助部材１１の側面１１ｃとで構成された入隅部に対して溶接を行う。溶接の種類は特に制限されないが、本実施形態ではＴＩＧ溶接又はＭＩＧ溶接等の肉盛溶接を行う。肉盛溶接は、連続的に行ってもよいが、本実施形態では断続的に行っている。肉盛溶接を行うことにより、入隅部には複数の溶接金属Ｗ０が形成される。なお、補助部材仮接合工程は省略してもよい。   The auxiliary member temporary joining step is a step of temporarily joining the auxiliary member 11 to the metal members 1 and 1. As shown in FIG. 3, in the auxiliary member temporary joining step, welding is performed on the corners formed by the surface 1 b of the metal member 1 and the side surface 11 c of the auxiliary member 11. The type of welding is not particularly limited, but in this embodiment, overlay welding such as TIG welding or MIG welding is performed. Although overlay welding may be performed continuously, in this embodiment, it is performed intermittently. By performing overlay welding, a plurality of weld metals W0 are formed at the corners. The auxiliary member temporary joining step may be omitted.

タブ材配置工程は、金属部材１，１の脇にタブ材ＴＢ，ＴＢを配置する工程である。図３に示すように、タブ材配置工程では、金属部材１，１の側面に露出する第一突合せ部Ｊ１を覆うようにタブ材ＴＢ，ＴＢを配置する。タブ材ＴＢの高さは、金属部材１の高さと同等になっている。タブ材ＴＢの側面と金属部材１の側面とで構成された入隅部に溶接により仮接合を行うことで金属部材１，１に対してタブ材ＴＢを固定することができる。タブ材ＴＢの表面ＴＢａと金属部材１の表面１ｂは面一になるとともに、裏面ＴＢｂと金属部材１の裏面１ｃは面一になる。   The tab material arranging step is a step of arranging the tab materials TB and TB beside the metal members 1 and 1. As shown in FIG. 3, in the tab material arranging step, the tab materials TB and TB are arranged so as to cover the first butting portion J1 exposed on the side surfaces of the metal members 1 and 1. The height of the tab member TB is equal to the height of the metal member 1. The tab member TB can be fixed to the metal members 1 and 1 by performing temporary joining to the corners formed by the side surfaces of the tab member TB and the side surfaces of the metal member 1 by welding. The surface TBa of the tab member TB and the surface 1b of the metal member 1 are flush with each other, and the back surface TBb and the back surface 1c of the metal member 1 are flush with each other.

また、タブ材配置工程では、タブ材ＴＢの表面ＴＢａ及び裏面ＴＢｂに下穴Ｚを形成する。下穴Ｚは、本接合用回転ツールＦを挿入する際の挿入抵抗を軽減するための穴である。下穴Ｚは、第一突合せ部Ｊ１の延長線上に形成されている。下穴Ｚの形状や大きさ等は適宜設定すればよい。なお、タブ材配置工程は省略してもよい。   In the tab material arranging step, pilot holes Z are formed on the front surface TBa and the back surface TBb of the tab material TB. The pilot hole Z is a hole for reducing insertion resistance when the main rotating tool F is inserted. The pilot hole Z is formed on an extension line of the first butt portion J1. The shape and size of the pilot hole Z may be set as appropriate. The tab material arranging step may be omitted.

第一の本接合工程は、金属部材１，１の表面１ｂ，１ｂ側から本接合用回転ツールＦを挿入して摩擦攪拌を行う工程である。第一の本接合工程では、まず、図３に示す一方のタブ材ＴＢに形成された下穴Ｚに回転した攪拌ピンＦ２を所定の深さまで挿入する。そして、深さを一定に保った状態で他方のタブ材ＴＢまで相対移動させる。   The first main joining step is a step in which the main welding rotary tool F is inserted from the surfaces 1b and 1b of the metal members 1 and 1 and frictional stirring is performed. In the first main joining step, first, the agitated pin F2 rotated into the prepared hole Z formed in one of the tab members TB shown in FIG. 3 is inserted to a predetermined depth. Then, relative movement is performed to the other tab member TB while keeping the depth constant.

図４の（ａ）及び（ｂ）に示すように、第一の本接合工程では、補助部材１１を貫通し攪拌ピンＦ２の先端を第一突合せ部Ｊ１の半分程度の深さまで挿入する。第一の本接合工程では、金属部材１，１及び補助部材１１に回転した攪拌ピンＦ２のみを挿入し、補助部材１１と連結部Ｆ１とは離間させつつ相対移動させる。言い換えると、攪拌ピンＦ２の基端部は露出させた状態で摩擦攪拌接合を行う。本接合用回転ツールＦの移動軌跡には摩擦攪拌された金属が硬化することにより塑性化領域Ｗ１が形成される。他方のタブ材ＴＢまで本接合用回転ツールＦを相対移動させたら、他方のタブ材ＴＢ上で本接合用回転ツールＦを離脱させる。   As shown in FIGS. 4A and 4B, in the first main joining step, the auxiliary member 11 is inserted and the tip of the stirring pin F2 is inserted to a depth of about half of the first butting portion J1. In the first main joining step, only the rotated stirring pin F2 is inserted into the metal members 1 and 1 and the auxiliary member 11, and the auxiliary member 11 and the connecting portion F1 are moved relatively apart from each other. In other words, the friction stir welding is performed with the base end portion of the stirring pin F2 exposed. A plasticized region W <b> 1 is formed in the movement locus of the main rotating tool F for bonding by hardening the friction-stirred metal. When the main joining rotary tool F is relatively moved to the other tab member TB, the main joining rotary tool F is detached on the other tab member TB.

図５の（ａ）に示すように、第一の本接合工程を行うと、補助部材１１の表面１１ａには凹溝１２が形成されるとともに、凹溝１２の周囲にバリＶが形成される。本実施形態では、ショルダ部で塑性流動化した金属を押さえないで本接合工程を行うため、摩擦攪拌によって形成される凹溝１２が深くなる傾向にあるとともにバリＶが多く発生しやすい。   As shown in FIG. 5A, when the first main joining process is performed, the concave groove 12 is formed on the surface 11 a of the auxiliary member 11, and the burr V is formed around the concave groove 12. . In the present embodiment, since the main joining process is performed without pressing the plastic fluidized metal in the shoulder portion, the concave grooves 12 formed by friction stirring tend to become deeper, and many burrs V are likely to occur.

第一の本接合工程によって形成される凹溝１２の底面１２ａは、金属部材１の表面１ｂよりも上方に位置している。補助部材１１の厚さや形状等は、第一の本接合工程によって形成された凹溝１２の底面１２ａが金属部材１の表面１ｂよりも上方に位置するように設定することが好ましい。   The bottom surface 12 a of the concave groove 12 formed by the first main joining process is located above the surface 1 b of the metal member 1. The thickness, shape, etc. of the auxiliary member 11 are preferably set so that the bottom surface 12a of the concave groove 12 formed by the first main joining step is positioned above the surface 1b of the metal member 1.

切除工程は、補助部材１１、バリＶ及び溶接金属Ｗ０を切除する工程である。切除工程では、図５の（ａ）に示すように、金属部材１の表面１ｂを含む基準面に沿って、補助部材１１、バリＶ及び溶接金属Ｗ０を切除する。これにより、図５の（ｂ）に示すように、金属部材１の表面１ｂと切除後の補助部材１１の表面１１ａ’は面一になる。また、補助部材１１の側面１１ｃと金属部材１，１とがそれぞれ突き合わされた第二突合せ部Ｊ２，Ｊ２が露出する。   The cutting process is a process of cutting the auxiliary member 11, the burr V, and the weld metal W0. In the cutting process, as shown in FIG. 5A, the auxiliary member 11, the burr V, and the weld metal W0 are cut along the reference plane including the surface 1b of the metal member 1. Thereby, as shown in FIG. 5B, the surface 1b of the metal member 1 and the surface 11a 'of the auxiliary member 11 after excision are flush with each other. Further, the second butted portions J2 and J2 where the side surface 11c of the auxiliary member 11 and the metal members 1 and 1 are respectively butted are exposed.

なお、切除工程では、金属部材１の表面１ｂを含む基準面よりも上方（凹溝１２側）の位置で切除してもよい。つまり、切除工程では、金属部材１の表面１ｂから突出する補助部材１１の一部を切除するだけでもよい。また、切除工程は省略してもよい。   In the cutting step, the metal member 1 may be cut at a position above the reference surface including the surface 1b (on the concave groove 12 side). That is, in the excision step, only a part of the auxiliary member 11 protruding from the surface 1b of the metal member 1 may be excised. The excision process may be omitted.

補修工程は、第二突合せ部Ｊ２，Ｊ２に対して摩擦攪拌接合を行う工程である。図６に示すように、補修工程では、小型回転ツールＨを用いて第二突合せ部Ｊ２に対して摩擦攪拌を行う。補修工程では、タブ材ＴＢに小型回転ツールＨを挿入した後、第二突合せ部Ｊ２，Ｊ２に沿って小型回転ツールＨを相対移動させつつ他方のタブ材ＴＢまで相対移動させる。小型回転ツールＨは、ショルダ部とショルダ部に突設された攪拌ピンとで構成されている。   The repair process is a process of performing friction stir welding on the second butted portions J2 and J2. As shown in FIG. 6, in the repairing process, friction agitation is performed on the second butting portion J <b> 2 using a small rotating tool H. In the repair process, after the small rotary tool H is inserted into the tab material TB, the small rotary tool H is relatively moved along the second abutting portions J2 and J2, and is relatively moved to the other tab material TB. The small rotary tool H includes a shoulder portion and a stirring pin protruding from the shoulder portion.

補修工程では、小型回転ツールＨのショルダ部を金属部材１，１に数ミリ程度押し込んで摩擦攪拌を行う。小型回転ツールＨの移動軌跡には塑性化領域Ｗ２，Ｗ２が形成される。なお、補修工程は省略してもよい。   In the repairing process, the shoulder of the small rotary tool H is pushed into the metal members 1 and 1 by about several millimeters to perform friction stirring. Plasticizing regions W2 and W2 are formed on the movement trajectory of the small rotary tool H. The repair process may be omitted.

次に、金属部材１，１を裏返し、裏面接合工程を行う。裏面接合工程は、凹部形成工程と、金属部材仮接合工程と、補助部材配置工程と、補助部材仮接合工程と、第二の本接合工程と、切除工程と、補修工程と、を行う。   Next, the metal members 1 and 1 are turned over, and the back surface joining step is performed. The back surface bonding step includes a recess forming step, a metal member temporary bonding step, an auxiliary member arranging step, an auxiliary member temporary bonding step, a second main bonding step, a cutting step, and a repairing step.

凹部形成工程、金属部材仮接合工程、補助部材配置工程及び補助部材仮接合工程は、金属部材１，１の裏面１ｃ，１ｃに対して行うことを除いて表面接合工程と略同等であるため説明を省略する。   Since the recess forming step, the metal member temporary joining step, the auxiliary member arranging step, and the auxiliary member temporary joining step are substantially the same as the surface joining step except that they are performed on the back surfaces 1c and 1c of the metal members 1 and 1, explanations will be given. Is omitted.

第二の本接合工程は、金属部材１，１の裏面１ｃ，１ｃ側から第一突合せ部Ｊ１に対して摩擦攪拌接合を行う工程である。図７の（ａ）は第一実施形態に係る第二の本接合工程を示す断面図であり、（ｂ）は第一実施形態に係る第二の本接合工程後を示す断面図である。図７では、表面側接合工程と同じ部材には同等の符号を付している。   The second main joining step is a step of performing friction stir welding from the back surface 1c, 1c side of the metal members 1, 1 to the first butting portion J1. FIG. 7A is a cross-sectional view showing a second main joining step according to the first embodiment, and FIG. 7B is a cross-sectional view after the second main joining step according to the first embodiment. In FIG. 7, the same members as those in the surface side joining step are denoted by the same reference numerals.

図７の（ａ）に示すように、第二の本接合工程では、補助部材１１を貫通し攪拌ピンＦ２の先端を塑性化領域Ｗ１に入り込む深さまで挿入する。第二の本接合工程では、金属部材１，１及び補助部材１１に回転した攪拌ピンＦ２のみを挿入し、補助部材１１と連結部Ｆ１とは離間させつつ移動させる。言い換えると、攪拌ピンＦ２の基端部は露出させた状態で摩擦攪拌接合を行う。本接合用回転ツールＦの移動軌跡には摩擦攪拌された金属が硬化することにより塑性化領域Ｗ３が形成される。   As shown in FIG. 7 (a), in the second main joining step, the auxiliary member 11 is inserted and the tip of the stirring pin F2 is inserted to a depth that enters the plasticizing region W1. In the second main joining step, only the rotated stirring pin F2 is inserted into the metal members 1, 1 and the auxiliary member 11, and the auxiliary member 11 and the connecting portion F1 are moved while being separated from each other. In other words, the friction stir welding is performed with the base end portion of the stirring pin F2 exposed. A plasticizing region W3 is formed in the movement locus of the main rotating tool F for bonding by hardening the friction-stirred metal.

図７の（ｂ）に示すように、第二の本接合工程を行うと、補助部材１１の表面１１ａには凹溝１２が形成されるとともに、凹溝１２の周囲にバリＶが形成される。本実施形態では、ショルダ部で塑性流動化した金属を押さえないで本接合工程を行うため、摩擦攪拌によって形成される凹溝１２が深くなる傾向にあるとともにバリＶが多く発生しやすい。   As shown in FIG. 7B, when the second main joining process is performed, the groove 11 is formed on the surface 11 a of the auxiliary member 11, and the burr V is formed around the groove 12. . In the present embodiment, since the main joining process is performed without pressing the plastic fluidized metal in the shoulder portion, the concave grooves 12 formed by friction stirring tend to become deeper, and many burrs V are likely to occur.

第二の本接合工程によって形成される凹溝１２の底面１２ａは、金属部材１の裏面１ｃよりも上方に位置している。補助部材１１の厚さや形状等は、第二の本接合工程によって形成された凹溝１２の底面１２ａが金属部材１の裏面１ｃよりも上方に位置するように設定することが好ましい。   The bottom surface 12 a of the concave groove 12 formed by the second main joining process is located above the back surface 1 c of the metal member 1. The thickness, shape, and the like of the auxiliary member 11 are preferably set so that the bottom surface 12a of the concave groove 12 formed by the second main joining process is positioned above the back surface 1c of the metal member 1.

裏面接合工程の切除工程及び補修工程は、金属部材１，１の裏面１ｃ，１ｃ側に行うことを除いて第一実施形態と同等であるため説明を省略する。   Since the excision process and the repair process of the back surface joining process are the same as those of the first embodiment except that they are performed on the back surface 1c, 1c side of the metal members 1, 1, description thereof is omitted.

以上説明した第一本実施形態に係る摩擦攪拌接合方法によれば、凹部１０の深さよりも厚く形成された補助部材１１を配置するとともに、補助部材１１の表面１１ａから本接合用回転ツールＦの攪拌ピンＦ２を挿入して第一の本接合工程及び第二の本接合工程を行うため、金属不足を防ぐことができる。   According to the friction stir welding method according to the first embodiment described above, the auxiliary member 11 formed thicker than the depth of the recess 10 is disposed, and the main welding rotary tool F is disposed from the surface 11a of the auxiliary member 11. Since the first main joining step and the second main joining step are performed by inserting the stirring pin F2, the metal shortage can be prevented.

また、凹部１０に補助部材１１を配置することで補助部材１１の位置決めが容易になるとともに、第一の本接合工程及び第二の本接合工程を安定して行うことができる。また、本実施形態では補助部材仮接合工程を行って金属部材１，１に対して補助部材１１を固定するため、より安定して第一の本接合工程及び第二の本接合工程を行うことができる。   Further, by positioning the auxiliary member 11 in the recess 10, the positioning of the auxiliary member 11 is facilitated, and the first main joining step and the second main joining step can be performed stably. Moreover, in this embodiment, since the auxiliary member 11 is fixed to the metal members 1 and 1 by performing the auxiliary member temporary bonding step, the first main bonding step and the second main bonding step are more stably performed. Can do.

また、攪拌ピンＦ２のみを補助部材１１及び金属部材１，１に接触させた状態で摩擦攪拌を行うため、本接合用回転ツールＦの操作性を向上させることができる。つまり、攪拌ピンＦ２のみを補助部材１１及び金属部材１，１に接触させた状態で摩擦攪拌を行うことで、金属部材１，１との摩擦を軽減することができるため、摩擦攪拌装置Ｄに作用する負荷を軽減することができる。これにより、摩擦攪拌装置Ｄに作用する負荷を軽減した状態で第一突合せ部Ｊ１の深い位置を接合することができる。   Moreover, since friction stirring is performed in a state where only the stirring pin F2 is in contact with the auxiliary member 11 and the metal members 1 and 1, the operability of the main rotating tool F can be improved. That is, since friction with the metal members 1 and 1 can be reduced by performing friction stirring with only the stirring pin F2 in contact with the auxiliary member 11 and the metal members 1 and 1, the friction stirrer D The acting load can be reduced. Thereby, the deep position of the 1st butt | matching part J1 can be joined in the state which reduced the load which acts on the friction stirring apparatus D. FIG.

また、本実施形態では切除工程を行うことで、金属部材１，１の表面１ｂ，１ｂ及び裏面１ｃ，１ｃを平滑にすることができる。また、切除工程を行うことで、金属部材１，１の表面１ｂ，１ｂが平滑になるため、金属部材１，１を裏返して裏面接合工程を行う際にガタつくことなく安定して行うことができる。   Moreover, in this embodiment, the front surface 1b, 1b and the back surfaces 1c, 1c of the metal members 1, 1 can be smoothed by performing the cutting process. Moreover, since the surfaces 1b and 1b of the metal members 1 and 1 are smoothed by performing the cutting process, the metal members 1 and 1 can be stably performed without rattling when the metal members 1 and 1 are turned over and the back surface bonding process is performed. it can.

また、補修工程を行うことで、補助部材１１と金属部材１，１とが突き合わされて形成された第二突合せ部Ｊ２，Ｊ２が摩擦攪拌される。これにより、金属部材１，１の水密性及び気密性を向上させることができる。また、本実施形態のように補助部材仮接合工程を溶接によって行う場合、切除工程を行っても金属部材１の表面１ｂ及び裏面１ｃが変色していたり、改質したりする場合があるが、補修工程を行うことでこれらの変色箇所や改質箇所等の接合痕Ｗ０’（図６参照）を補修することができる。   Further, by performing the repairing process, the second butted portions J2 and J2 formed by abutting the auxiliary member 11 and the metal members 1 and 1 are frictionally stirred. Thereby, the watertightness and airtightness of the metal members 1 and 1 can be improved. In addition, when the auxiliary member temporary joining step is performed by welding as in the present embodiment, the surface 1b and the back surface 1c of the metal member 1 may be discolored or modified even if the excision step is performed. By performing the repairing process, it is possible to repair the joint mark W0 ′ (see FIG. 6) such as the discolored portion and the modified portion.

また、補助部材配置工程を行う前に、第一突合せ部Ｊ１に金属部材仮接合工程を行うことで、第一の本接合工程及び第二の本接合工程を行う際の第一突合せ部Ｊ１の目開きを防ぐことができる。   Moreover, before performing an auxiliary member arrangement | positioning process, by performing a metal member temporary joining process to the 1st butt | matching part J1, the 1st butt | matching part J1 at the time of performing a 1st main joining process and a 2nd main joining process Opening can be prevented.

また、第一の本接合工程で形成された塑性化領域Ｗ１と第二の本接合工程で形成された塑性化領域Ｗ３とを接触させることで接合部の気密性及び水密性を向上させることができるとともに接合強度を高めることができる。第二の本接合工程の攪拌ピンＧ２の挿入深さは適宜設定すればよいが、本実施形態では、攪拌ピンＧ２を塑性化領域Ｗ１に入り込ませつつ摩擦攪拌を行うため、塑性化領域Ｗ１の先端側に形成された接合欠陥を再度摩擦攪拌することができる。これにより、接合部の水密性及び気密性をより向上させることができる。   In addition, it is possible to improve the air tightness and water tightness of the joint by bringing the plasticized region W1 formed in the first main joining step into contact with the plasticized region W3 formed in the second main joining step. In addition, the bonding strength can be increased. The insertion depth of the stirring pin G2 in the second main joining process may be set as appropriate. However, in this embodiment, since the stirring pin G2 enters the plasticizing region W1 and frictional stirring is performed, the insertion depth of the plasticizing region W1 is increased. The joint defect formed on the tip side can be frictionally stirred again. Thereby, the watertightness and airtightness of a junction part can be improved more.

また、タブ材配置工程を行うことで、第一の本接合工程、第二の本接合工程及び補修工程を容易に行うことができる。また、第二の本接合工程を行った後にタブ材ＴＢを切除することで、金属部材１の側面をきれいに仕上げることができる。また、タブ材ＴＢの表面ＴＢａ（又は裏面ＴＢｂ）の高さは補助部材１１の表面１１ａの高さと面一となるように設定してもよいが、本実施形態のように、タブ材ＴＢの表面ＴＢａと金属部材１の表面１ｂ（又は裏面ＴＢｂと裏面１ｃ）とが面一となるように設定することで、補修工程を行う際にもタブ材ＴＢを利用することができる。   Moreover, a 1st main joining process, a 2nd main joining process, and a repair process can be easily performed by performing a tab material arrangement | positioning process. Moreover, the side surface of the metal member 1 can be finished finely by excising the tab material TB after performing the second main joining step. Further, the height of the front surface TBa (or the back surface TBb) of the tab material TB may be set to be flush with the height of the front surface 11a of the auxiliary member 11, but as in the present embodiment, the tab material TB By setting the front surface TBa and the front surface 1b of the metal member 1 (or the back surface TBb and the back surface 1c) to be flush with each other, the tab material TB can be used even when the repair process is performed.

以上本発明の第一実施形態について説明したが、本発明の趣旨に反しない範囲において適宜設計変更が可能である。例えば、第一実施形態では、第一の本接合工程を行う際に、金属部材１，１及び補助部材１１の両方に攪拌ピンＦ２を接触させた状態で摩擦攪拌を行ったが、補助部材１１のみに攪拌ピンＦ２を接触させた状態で摩擦攪拌を行ってもよい。この場合は、攪拌ピンＦ２と補助部材１１との接触によって生じた摩擦熱で、金属部材１，１が塑性流動化されることにより、第一突合せ部Ｊ１が接合される。   While the first embodiment of the present invention has been described above, design changes can be made as appropriate without departing from the spirit of the present invention. For example, in the first embodiment, when the first main joining process is performed, the friction stirring is performed in a state where the stirring pin F2 is in contact with both the metal members 1 and 1 and the auxiliary member 11, but the auxiliary member 11 is used. Friction stirring may be performed in a state where the stirring pin F2 is in contact only. In this case, the metal members 1 and 1 are plastically fluidized by the frictional heat generated by the contact between the stirring pin F2 and the auxiliary member 11, thereby joining the first butting portion J1.

また、第一実施形態の第二の接合工程は、第一の接合工程と同じ工程としたが、これに限定されるものではない。第二の接合工程は、第二の接合工程で形成される塑性化領域が第一の接合工程で形成される塑性化領域Ｗ１と接触するように接合することが好ましいが、少なくとも金属部材１，１の裏面１ｃ，１ｃに露出する第一突合せ部Ｊ１を接合可能であればよい。第二の本接合工程では、補助部材１１を省略してもよい。また、第一実施形態の第二の本接合工程では、本接合用回転ツールＦを用いて摩擦攪拌を行ったが、どのような形態の回転ツールを用いてもよい。   Moreover, although the 2nd joining process of 1st embodiment was made into the same process as a 1st joining process, it is not limited to this. The second joining step is preferably joined so that the plasticized region formed in the second joining step is in contact with the plasticized region W1 formed in the first joining step. It is only necessary that the first butted portion J1 exposed on the back surface 1c, 1c of 1 can be joined. In the second main joining step, the auxiliary member 11 may be omitted. Moreover, in the 2nd main joining process of 1st embodiment, although friction stirring was performed using the rotation tool F for main joining, you may use any form of rotary tool.

また、前記した第一実施形態では、補助部材仮接合工程及び補修工程の両方を行ったが、両者のうち補助部材仮接合工程を省略して補修工程のみを行ってもよい。   In the first embodiment described above, both the auxiliary member temporary joining step and the repairing step are performed. However, the auxiliary member temporary joining step may be omitted and only the repairing step may be performed.

また、本実施形態では、前記した順番で工程を行ったがこれに限定されるものではない。例えば、凹溝形成工程及び金属部材仮接合工程を金属部材１，１の表裏面に行った後に、表面接合工程の補助部材配置工程、補助部材仮接合工程、タブ材配置工程及び第一の本接合工程を行ってもよい。   Moreover, in this embodiment, although the process was performed in the order mentioned above, it is not limited to this. For example, after the concave groove forming step and the metal member temporary joining step are performed on the front and back surfaces of the metal members 1, 1, the auxiliary member arranging step, the auxiliary member temporary joining step, the tab material arranging step and the first book of the surface joining step A joining process may be performed.

［第二実施形態］
次に、本発明の第二実施形態について説明する。第二本実施形態に係る接合方法では、表面接合工程と、裏面接合工程を行う。第二実施形態は、主に凹部１０を形成しない点で第一実施形態と相違する。第二実施形態では、第一実施形態と相違する部分を中心に説明する。 [Second Embodiment]
Next, a second embodiment of the present invention will be described. In the bonding method according to the second embodiment, the front surface bonding step and the back surface bonding step are performed. The second embodiment is different from the first embodiment in that the concave portion 10 is not mainly formed. In the second embodiment, the description will focus on the parts that are different from the first embodiment.

表面接合工程は、突合せ工程と、金属部材仮接合工程と、補助部材配置工程と、補助部材仮接合工程と、タブ材配置工程と、第一の本接合工程と、切除工程と、を行う。   The surface bonding process includes a butt process, a metal member temporary bonding process, an auxiliary member arranging process, an auxiliary member temporary bonding process, a tab material arranging process, a first main bonding process, and a cutting process.

図８の（ａ）に示すように、突合せ工程では、金属部材１，１の端面１ａ，１ａ同士を突き合わせて突合せ部Ｊを形成する。   As shown in FIG. 8A, in the butting step, the end faces 1a and 1a of the metal members 1 and 1 are butted together to form a butting portion J.

金属部材仮接合工程では、突合せ部Ｊに沿って小型回転ツール（図示省略）を用いて仮接合を行う。小型回転ツールの移動軌跡には塑性化領域Ｗが形成される。   In the metal member temporary joining step, temporary joining is performed along the abutting portion J using a small rotary tool (not shown). A plasticized region W is formed on the movement trajectory of the small rotary tool.

補助部材配置工程は、金属部材１，１の表面１ｂ，１ｂに補助部材１１を配置する工程である。補助部材配置工程では、塑性化領域Ｗ（突合せ部Ｊ）を覆うように補助部材１１の裏面１１ｂを金属部材１，１の表面１ｂ，１ｂに接触させる。補助部材１１は、断面矩形状を呈する板状部材である。   The auxiliary member arranging step is a step of arranging the auxiliary member 11 on the surfaces 1b, 1b of the metal members 1,1. In the auxiliary member arranging step, the back surface 11b of the auxiliary member 11 is brought into contact with the front surfaces 1b and 1b of the metal members 1 and 1 so as to cover the plasticized region W (butting portion J). The auxiliary member 11 is a plate-like member having a rectangular cross section.

補助部材仮接合工程では、金属部材１，１と補助部材１１とを肉盛溶接で仮接合する。   In the auxiliary member temporary joining step, the metal members 1 and 1 and the auxiliary member 11 are temporarily joined by overlay welding.

タブ材配置工程は、具体的な図示は省略するが、図３を参照するように、金属部材１，１の両脇にタブ材を配置する。   Although specific illustration is abbreviate | omitted in a tab material arrangement | positioning process, as FIG. 3 is referred, tab material is arrange | positioned on the both sides of the metal members 1 and 1. As shown in FIG.

第一の本接合工程は、金属部材１，１の表面１ｂ，１ｂ側から本接合用回転ツールＦを挿入して摩擦攪拌を行う工程である。第一の本接合工程では、一方のタブ材に形成された下穴に回転した攪拌ピンＦ２を所定の深さまで挿入する。そして、深さを一定に保った状態で他方のタブ材ＴＢまで相対移動させる。   The first main joining step is a step in which the main welding rotary tool F is inserted from the surfaces 1b and 1b of the metal members 1 and 1 and frictional stirring is performed. In the first main joining process, the rotated stirring pin F2 is inserted to a predetermined depth in a prepared hole formed in one of the tab members. Then, relative movement is performed to the other tab member TB while keeping the depth constant.

図８の（ｂ）に示すように、第一の本接合工程では、補助部材１１を貫通し攪拌ピンＦ２の先端を突合せ部Ｊの半分程度の深さまで挿入する。第一の本接合工程では、金属部材１，１及び補助部材１１に回転した攪拌ピンＦ２のみを挿入し、補助部材１１と連結部Ｆ１とは離間させつつ移動させる。言い換えると、攪拌ピンＦ２の基端部は露出させた状態で摩擦攪拌接合を行う。本接合用回転ツールＦの移動軌跡には摩擦攪拌された金属が硬化することにより塑性化領域Ｗ１が形成される。他方のタブ材まで本接合用回転ツールＦを相対移動させたら、他方のタブ材上で本接合用回転ツールＦを離脱させる。   As shown in FIG. 8B, in the first main joining step, the auxiliary member 11 is inserted and the tip of the stirring pin F2 is inserted to a depth of about half of the butted portion J. In the first main joining step, only the rotated stirring pin F2 is inserted into the metal members 1, 1 and the auxiliary member 11, and the auxiliary member 11 and the connecting portion F1 are moved while being separated from each other. In other words, the friction stir welding is performed with the base end portion of the stirring pin F2 exposed. A plasticized region W <b> 1 is formed in the movement locus of the main rotating tool F for bonding by hardening the friction-stirred metal. When the main welding rotary tool F is relatively moved to the other tab member, the main welding rotary tool F is separated from the other tab member.

図９の（ａ）に示すように、第一の本接合工程を行うと、補助部材１１の表面１１ａには凹溝１２が形成されるとともに、凹溝１２の周囲にバリＶが形成される。本実施形態では、ショルダ部で塑性流動化した金属を押さえないで本接合工程を行うため、摩擦攪拌によって形成される凹溝１２が深くなる傾向にあるとともにバリＶが多く発生しやすい。   As shown in FIG. 9A, when the first main joining process is performed, the groove 11 is formed on the surface 11 a of the auxiliary member 11, and the burr V is formed around the groove 12. . In the present embodiment, since the main joining process is performed without pressing the plastic fluidized metal in the shoulder portion, the concave grooves 12 formed by friction stirring tend to become deeper, and many burrs V are likely to occur.

第一の本接合工程によって形成される凹溝１２の底面１２ａは、金属部材１の表面１ｂよりも上方に位置している。補助部材１１の厚さや形状等は、第一の本接合工程によって形成された凹溝１２の底面１２ａが金属部材１の表面１ｂよりも上方に位置するように設定することが好ましい。   The bottom surface 12 a of the concave groove 12 formed by the first main joining process is located above the surface 1 b of the metal member 1. The thickness, shape, etc. of the auxiliary member 11 are preferably set so that the bottom surface 12a of the concave groove 12 formed by the first main joining step is positioned above the surface 1b of the metal member 1.

切除工程は、補助部材１１、バリＶ及び溶接金属Ｗ０を切除する工程である。切除工程では、図９の（ｂ）に示すように、金属部材１の表面１ｂを含む基準面に沿って、補助部材１１、バリＶ及び溶接金属Ｗ０を切除する。これにより、金属部材１の表面１ｂと切除後の塑性化領域Ｗ１の表面Ｗ１ａは面一になる。   The cutting process is a process of cutting the auxiliary member 11, the burr V, and the weld metal W0. In the cutting step, as shown in FIG. 9B, the auxiliary member 11, the burr V, and the weld metal W0 are cut along the reference plane including the surface 1b of the metal member 1. Thereby, the surface 1b of the metal member 1 and the surface W1a of the plasticized region W1 after excision are flush with each other.

なお、切除工程では、金属部材１の表面１ｂを含む基準面よりも上方（凹溝１２側）の位置で切除してもよい。つまり、切除工程では、金属部材１の表面１ｂから突出する補助部材１１の一部を切除するだけでもよい。また、切除工程は省略してもよい。   In the cutting step, the metal member 1 may be cut at a position above the reference surface including the surface 1b (on the concave groove 12 side). That is, in the excision step, only a part of the auxiliary member 11 protruding from the surface 1b of the metal member 1 may be excised. The excision process may be omitted.

次に、金属部材１，１を裏返し、裏面接合工程を行う。裏面接合工程は、金属部材仮接合工程と、補助部材配置工程と、補助部材仮接合工程と、第二の本接合工程と、切除工程と、を行う。   Next, the metal members 1 and 1 are turned over, and the back surface joining step is performed. The back surface bonding step includes a metal member temporary bonding step, an auxiliary member arranging step, an auxiliary member temporary bonding step, a second main bonding step, and a cutting step.

金属部材仮接合工程、補助部材配置工程及び補助部材仮接合工程は、金属部材１，１の裏面１ｃ，１ｃに対して行うことを除いて表面接合工程と略同等であるため説明を省略する。   Since the metal member temporary joining step, the auxiliary member arranging step, and the auxiliary member temporary joining step are substantially the same as the surface joining step except that they are performed on the back surfaces 1c and 1c of the metal members 1, 1, description thereof is omitted.

第二の本接合工程は、金属部材１，１の裏面１ｃ，１ｃ側から突合せ部Ｊに対して摩擦攪拌接合を行う工程である。図１０に示すように、第二の本接合工程では、本接合用回転ツールＦを用いて行う。   The second main joining step is a step of performing friction stir welding to the butted portion J from the back surface 1c, 1c side of the metal members 1,1. As shown in FIG. 10, the second main joining step is performed using a main joining rotating tool F.

第二の本接合工程では、補助部材１１を貫通し攪拌ピンＦ２の先端を塑性化領域Ｗ１に入り込む深さまで挿入する。第二の本接合工程では、金属部材１，１及び補助部材１１に回転した攪拌ピンＦ２のみを挿入し、補助部材１１と連結部Ｆ１とは離間させつつ移動させる。言い換えると、攪拌ピンＦ２の基端部は露出させた状態で摩擦攪拌接合を行う。本接合用回転ツールＦの移動軌跡には摩擦攪拌された金属が硬化することにより塑性化領域Ｗ３が形成される。   In the second main joining process, the tip of the stirring pin F2 is inserted to a depth that penetrates the auxiliary member 11 and enters the plasticizing region W1. In the second main joining step, only the rotated stirring pin F2 is inserted into the metal members 1, 1 and the auxiliary member 11, and the auxiliary member 11 and the connecting portion F1 are moved while being separated from each other. In other words, the friction stir welding is performed with the base end portion of the stirring pin F2 exposed. A plasticizing region W3 is formed in the movement locus of the main rotating tool F for bonding by hardening the friction-stirred metal.

第二の本接合工程を終了したら、切除工程を行う。切除工程は、金属部材１，１の裏面１ｃ，１ｃに対して行うことを除いては、表面接合工程と同等である。   When the second main joining process is completed, the excision process is performed. The cutting process is the same as the surface bonding process except that the cutting process is performed on the back surfaces 1c and 1c of the metal members 1 and 1.

以上説明した第二実施形態に係る摩擦攪拌接合方法によれば、突合せ部Ｊを覆うように補助部材１１を配置するとともに、補助部材１１の表面１１ａから本接合用回転ツールＦの攪拌ピンＦ２を挿入して第一の本接合工程及び第二の本接合工程を行うため、金属不足を防ぐことができる。つまり、第一実施形態のように凹部１０を設けずに、補助部材１１を金属部材１の表面１ｂ及び裏面１ｃに配置する構成としても第一実施形態と略同等の効果を得ることができる。   According to the friction stir welding method according to the second embodiment described above, the auxiliary member 11 is disposed so as to cover the butt portion J, and the stirring pin F2 of the main rotating tool F is connected from the surface 11a of the auxiliary member 11. Since it inserts and performs the 1st main joining process and the 2nd main joining process, metal shortage can be prevented. That is, even if the auxiliary member 11 is arranged on the front surface 1b and the back surface 1c of the metal member 1 without providing the recess 10 as in the first embodiment, substantially the same effect as the first embodiment can be obtained.

また、第二実施形態においても、第一の本接合工程及び第二の本接合工程を行う際に、金属部材１，１及び補助部材１１の両方に攪拌ピンＦ２を接触させた状態で摩擦攪拌を行ったが、補助部材１１のみに攪拌ピンＦ２を接触させた状態で摩擦攪拌を行ってもよい。この場合は、攪拌ピンＦ２と補助部材１１との接触によって生じた摩擦熱で、金属部材１，１が塑性流動化されることにより、突合せ部Ｊが接合される。   Also in the second embodiment, when the first main joining step and the second main joining step are performed, the friction stirrer is performed with the stirring pin F2 in contact with both the metal members 1 and 1 and the auxiliary member 11. However, friction stirring may be performed in a state where the stirring pin F2 is in contact with only the auxiliary member 11. In this case, the butt portion J is joined by plastic fluidizing the metal members 1 and 1 by frictional heat generated by the contact between the stirring pin F2 and the auxiliary member 11.

１ 金属部材
１ａ 端面
１ｂ 表面
１ｃ 裏面
１０ 凹部
１１ 補助部材
Ｊ１ 第一突合せ部
Ｊ２ 第二突合せ部
Ｊ 突合せ部
Ｈ 小型回転ツール
Ｆ 本接合用回転ツール
Ｆ１ 連結部
Ｆ２ 攪拌ピン
Ｗ１，Ｗ２，Ｗ３ 塑性化領域
Ｚ 下穴 DESCRIPTION OF SYMBOLS 1 Metal member 1a End surface 1b Front surface 1c Back surface 10 Recessed part 11 Auxiliary member J1 1st butting part J2 2nd butting part J Butting part H Small rotating tool F Rotary tool for main joining F1 Connecting part F2 Stirring pin W1, W2, W3 Plasticization Area Z Pilot hole

Claims (14)

攪拌ピンを備えた回転ツールを用いて二つの金属部材を接合する摩擦攪拌接合方法であって、
前記金属部材同士を突き合わせて第一突合せ部を形成する突合せ工程と、
前記第一突合せ部に沿って形成された凹部に、当該凹部の深さよりも厚く形成された補助部材を配置して前記第一突合せ部を覆う補助部材配置工程と、
前記補助部材の表面から回転した前記攪拌ピンを挿入し、前記補助部材及び前記両金属部材、又は、前記補助部材のみに前記攪拌ピンのみを接触させた状態で前記第一突合せ部を摩擦攪拌する第一の本接合工程と、を含むことを特徴とする摩擦攪拌接合方法。 A friction stir welding method for joining two metal members using a rotary tool equipped with a stirring pin,
A butting step of butting the metal members together to form a first butting portion;
An auxiliary member disposing step of covering the first butting portion by placing an auxiliary member formed thicker than the depth of the concavity in the recessed portion formed along the first butting portion;
The stirring pin rotated from the surface of the auxiliary member is inserted, and the first abutting portion is frictionally stirred in the state where only the stirring pin is in contact with the auxiliary member and both the metal members or only the auxiliary member. A friction stir welding method comprising: a first main joining step. 前記第一の本接合工程後に、前記金属部材の表面から突出する前記補助部材を切除する切除工程を含むことを特徴とする請求項１に記載の摩擦攪拌接合方法。   The friction stir welding method according to claim 1, further comprising a cutting step of cutting off the auxiliary member protruding from the surface of the metal member after the first main bonding step. 前記第一の本接合工程を行う前に、前記補助部材と前記金属部材とを仮接合する補助部材仮接合工程を含むことを特徴とする請求項１に記載の摩擦攪拌接合方法。   The friction stir welding method according to claim 1, further comprising an auxiliary member temporary joining step of temporarily joining the auxiliary member and the metal member before performing the first main joining step. 前記第一の本接合工程を行う前に、前記補助部材と前記金属部材とを仮接合する補助部材仮接合工程を含むことを特徴とする請求項２に記載の摩擦攪拌接合方法。   The friction stir welding method according to claim 2, further comprising an auxiliary member temporary joining step of temporarily joining the auxiliary member and the metal member before performing the first main joining step. 前記切除工程後に、前記補助部材と前記両金属部材とが突き合わされた一対の第二突合せ部に対して摩擦攪拌を行う補修工程を含むことを特徴とする請求項２又は請求項４に記載の摩擦攪拌接合方法。   The repair process of performing friction stirring with respect to a pair of 2nd butt | matching part by which the said auxiliary member and both said metal members were faced | matched after the said cutting process is characterized by the above-mentioned. Friction stir welding method. 前記補助部材配置工程を行う前に、前記第一突合せ部に仮接合を行う金属部材仮接合工程を含むことを特徴とする請求項１乃至請求項５のいずれか一項に記載の摩擦攪拌接合方法。   The friction stir welding according to any one of claims 1 to 5, further comprising a metal member temporary joining step of temporarily joining the first butted portion before performing the auxiliary member arranging step. Method. 前記突合せ部に対して前記金属部材の裏面側から摩擦攪拌を行う第二の本接合工程を含み、
前記第二の本接合工程では、前記第一の本接合工程で形成された塑性化領域と前記第二の本接合工程で形成された塑性化領域とを接触させることを特徴とする請求項１乃至請求項６のいずれか一項に記載の摩擦攪拌接合方法。 Including a second main joining step in which friction stir is performed from the back side of the metal member with respect to the butt portion;
The plasticizing region formed in the first main joining step and the plasticizing region formed in the second main joining step are brought into contact with each other in the second main joining step. The friction stir welding method according to any one of claims 6 to 6. 前記突合せ部の脇にタブ材を配置するタブ材配置工程を含み、
前記第一の本接合工程では、前記タブ材に形成された下穴に前記回転ツールの前記攪拌ピンを挿入して摩擦攪拌を行うことを特徴とする請求項１乃至請求項７のいずれか一項に記載の摩擦攪拌接合方法。 Including a tab material arranging step of arranging a tab material beside the abutting portion;
8. The friction stirring is performed by inserting the stirring pin of the rotary tool into a prepared hole formed in the tab material in the first main joining step. The friction stir welding method according to the item. 攪拌ピンを備えた回転ツールを用いて二つの金属部材を接合する摩擦攪拌接合方法であって、
前記金属部材同士を突き合わせて突合せ部を形成する突合せ工程と、
前記突合せ部を覆うように前記金属部材の表面に補助部材を配置する補助部材配置工程と、
前記補助部材の表面から回転した前記回転ツールを挿入し、前記補助部材及び前記両金属部材、又は、前記補助部材のみに前記攪拌ピンのみを接触させた状態で前記突合せ部を摩擦攪拌する第一の本接合工程と、を含むことを特徴とする摩擦攪拌接合方法。 A friction stir welding method for joining two metal members using a rotary tool equipped with a stirring pin,
A butting step of butting the metal members together to form a butting portion;
An auxiliary member disposing step of disposing an auxiliary member on the surface of the metal member so as to cover the butting portion;
First, the rotating tool rotated from the surface of the auxiliary member is inserted, and the butted portion is frictionally stirred in a state where only the stirring pin is in contact with the auxiliary member and both the metal members or only the auxiliary member. A friction stir welding method comprising: 前記第一の本接合工程後に、前記金属部材の表面から突出する前記補助部材を切除する切除工程を含むことを特徴とする請求項９に記載の摩擦攪拌接合方法。   The friction stir welding method according to claim 9, further comprising a cutting step of cutting off the auxiliary member protruding from the surface of the metal member after the first main bonding step. 前記第一の本接合工程を行う前に、前記補助部材と前記金属部材とを仮接合する補助部材仮接合工程を含むことを特徴とする請求項９又は請求項１０に記載の摩擦攪拌接合方法。   The friction stir welding method according to claim 9 or 10, further comprising an auxiliary member temporary joining step of temporarily joining the auxiliary member and the metal member before performing the first main joining step. . 前記補助部材配置工程を行う前に、前記突合せ部に仮接合を行う金属部材仮接合工程を含むことを特徴とする請求項９乃至請求項１１のいずれか一項に記載の摩擦攪拌接合方法。   The friction stir welding method according to any one of claims 9 to 11, further comprising a metal member temporary joining step of temporarily joining the butted portion before performing the auxiliary member arranging step. 前記突合せ部に対して前記金属部材の裏面側から摩擦攪拌を行う第二の本接合工程を含み、
前記第二の本接合工程では、前記第一の本接合工程で形成された塑性化領域と前記第二の本接合工程で形成された塑性化領域とを接触させることを特徴とする請求項９乃至請求項１２のいずれか一項に記載の摩擦攪拌接合方法。 Including a second main joining step in which friction stir is performed from the back side of the metal member with respect to the butt portion;
10. The plastic bonding region formed in the second main bonding step and the plasticizing region formed in the second main bonding step are brought into contact with each other in the second main bonding step. The friction stir welding method according to any one of claims 12 to 12. 前記突合せ部の脇にタブ材を配置するタブ材配置工程を含み、
前記第一の本接合工程では、前記タブ材に形成された下穴に前記回転ツールの前記攪拌ピンを挿入して摩擦攪拌を行うことを特徴とする請求項９乃至請求項１３のいずれか一項に記載の摩擦攪拌接合方法。 Including a tab material arranging step of arranging a tab material beside the abutting portion;
14. In the first main joining step, friction stir is performed by inserting the stirring pin of the rotary tool into a prepared hole formed in the tab material. The friction stir welding method according to the item.
JP2014096849A 2014-05-08 2014-05-08 Friction stir welding method Active JP6248790B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2014096849A JP6248790B2 (en) 2014-05-08 2014-05-08 Friction stir welding method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2014096849A JP6248790B2 (en) 2014-05-08 2014-05-08 Friction stir welding method

Publications (2)

Publication Number Publication Date
JP2015213928A true JP2015213928A (en) 2015-12-03
JP6248790B2 JP6248790B2 (en) 2017-12-20

Family

ID=54751350

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2014096849A Active JP6248790B2 (en) 2014-05-08 2014-05-08 Friction stir welding method

Country Status (1)

Country Link
JP (1) JP6248790B2 (en)

Cited By (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017104155A1 (en) * 2015-12-16 2017-06-22 日本軽金属株式会社 Joining method
JP2017121639A (en) * 2016-01-06 2017-07-13 日本軽金属株式会社 Welding method
JP2017140649A (en) * 2016-02-09 2017-08-17 日本軽金属株式会社 Joining method
JP2017154161A (en) * 2016-03-03 2017-09-07 日本軽金属株式会社 Joining method
JP2017159351A (en) * 2016-03-11 2017-09-14 日本軽金属株式会社 Manufacturing method of liquid-cooled jacket
JP2017159352A (en) * 2016-03-11 2017-09-14 日本軽金属株式会社 Joining method
JP2017185500A (en) * 2016-04-01 2017-10-12 日本軽金属株式会社 Manufacturing method of liquid-cooled jacket
WO2018003449A1 (en) * 2016-07-01 2018-01-04 日本軽金属株式会社 Method for manufacturing heat transfer plate
JP2018020365A (en) * 2016-08-05 2018-02-08 日本軽金属株式会社 Method for manufacturing cylindrical member
JP2018020364A (en) * 2016-08-05 2018-02-08 日本軽金属株式会社 Joint method
JP2018039016A (en) * 2016-09-05 2018-03-15 日本軽金属株式会社 Joining method
JP2018065165A (en) * 2016-10-18 2018-04-26 日本軽金属株式会社 Manufacturing method of cylindrical member
JP2018069325A (en) * 2016-11-04 2018-05-10 日本軽金属株式会社 Joining method
CN108025391A (en) * 2016-01-06 2018-05-11 日本轻金属株式会社 The manufacture method of joint method and liquid-cooled jacket cylinder
WO2018084073A1 (en) * 2016-11-04 2018-05-11 日本軽金属株式会社 Joining method
JP2018086673A (en) * 2016-11-29 2018-06-07 日本軽金属株式会社 Junction method
JP2018086674A (en) * 2016-11-29 2018-06-07 日本軽金属株式会社 Junction method
JP2018094568A (en) * 2016-12-09 2018-06-21 日本軽金属株式会社 Joining method
JP2018108595A (en) * 2017-01-05 2018-07-12 日本軽金属株式会社 Joining method
JP2018126765A (en) * 2017-02-08 2018-08-16 日本軽金属株式会社 Jointing method
JP2018126766A (en) * 2017-02-08 2018-08-16 日本軽金属株式会社 Jointing method
CN108430687A (en) * 2016-06-20 2018-08-21 日本轻金属株式会社 Joint method
JP2018134668A (en) * 2017-02-22 2018-08-30 日本軽金属株式会社 Joining method
JP2018134669A (en) * 2017-02-22 2018-08-30 日本軽金属株式会社 Joining method
CN108472761A (en) * 2016-08-05 2018-08-31 日本轻金属株式会社 The manufacturing method of cylindrical structural member
CN108698158A (en) * 2016-02-09 2018-10-23 日本轻金属株式会社 Joint method
JP2018176205A (en) * 2017-04-10 2018-11-15 日本軽金属株式会社 Joining method
JP2018187671A (en) * 2017-05-11 2018-11-29 日本軽金属株式会社 Joining method
JP2018187672A (en) * 2017-05-11 2018-11-29 日本軽金属株式会社 Joining method
JP2019010673A (en) * 2017-07-03 2019-01-24 日本軽金属株式会社 Joining method
WO2019097771A1 (en) * 2017-11-15 2019-05-23 日本軽金属株式会社 Joining method
CN110325314A (en) * 2017-05-26 2019-10-11 日本轻金属株式会社 Joint method
CN111906433A (en) * 2020-08-10 2020-11-10 南昌航空大学 Friction stir welding method for thick plate aluminum-magnesium dissimilar material with changed friction interface
CN113508001A (en) * 2019-04-12 2021-10-15 日本轻金属株式会社 Bonding method

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1147961A (en) * 1997-08-04 1999-02-23 Showa Alum Corp Manufacture of plate type heat pipe
JP2000205217A (en) * 1996-03-19 2000-07-25 Hitachi Ltd Hollow member for friction grip
JP2002257490A (en) * 2001-03-02 2002-09-11 Nippon Light Metal Co Ltd Heat plate and manufacturing method thereof
JP2003311439A (en) * 2002-04-16 2003-11-05 Hitachi Ltd Friction stirring welding method and apparatus
US20060086775A1 (en) * 2004-10-22 2006-04-27 Edison Welding Institute Method of friction stir welding and retractable shoulderless variable penetration friction stir welding tool for same
JP2013039613A (en) * 2011-08-19 2013-02-28 Nippon Light Metal Co Ltd Friction stir welding method
JP2013049072A (en) * 2011-08-30 2013-03-14 Nippon Light Metal Co Ltd Friction stir welding method
US20130206819A1 (en) * 2010-07-27 2013-08-15 Airbus Operations Gmbh Process for connecting two aircraft fuselage segments by means of friction twist welding

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000205217A (en) * 1996-03-19 2000-07-25 Hitachi Ltd Hollow member for friction grip
JPH1147961A (en) * 1997-08-04 1999-02-23 Showa Alum Corp Manufacture of plate type heat pipe
JP2002257490A (en) * 2001-03-02 2002-09-11 Nippon Light Metal Co Ltd Heat plate and manufacturing method thereof
JP2003311439A (en) * 2002-04-16 2003-11-05 Hitachi Ltd Friction stirring welding method and apparatus
US20060086775A1 (en) * 2004-10-22 2006-04-27 Edison Welding Institute Method of friction stir welding and retractable shoulderless variable penetration friction stir welding tool for same
US20130206819A1 (en) * 2010-07-27 2013-08-15 Airbus Operations Gmbh Process for connecting two aircraft fuselage segments by means of friction twist welding
JP2013039613A (en) * 2011-08-19 2013-02-28 Nippon Light Metal Co Ltd Friction stir welding method
JP2013049072A (en) * 2011-08-30 2013-03-14 Nippon Light Metal Co Ltd Friction stir welding method

Cited By (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107921577B (en) * 2015-12-16 2020-03-13 日本轻金属株式会社 Bonding method
JP2017109214A (en) * 2015-12-16 2017-06-22 日本軽金属株式会社 Joining method
WO2017104155A1 (en) * 2015-12-16 2017-06-22 日本軽金属株式会社 Joining method
CN107921577A (en) * 2015-12-16 2018-04-17 日本轻金属株式会社 Joint method
JP2017121639A (en) * 2016-01-06 2017-07-13 日本軽金属株式会社 Welding method
CN108025391A (en) * 2016-01-06 2018-05-11 日本轻金属株式会社 The manufacture method of joint method and liquid-cooled jacket cylinder
CN108698158A (en) * 2016-02-09 2018-10-23 日本轻金属株式会社 Joint method
JP2017140649A (en) * 2016-02-09 2017-08-17 日本軽金属株式会社 Joining method
JP2017154161A (en) * 2016-03-03 2017-09-07 日本軽金属株式会社 Joining method
JP2017159352A (en) * 2016-03-11 2017-09-14 日本軽金属株式会社 Joining method
JP2017159351A (en) * 2016-03-11 2017-09-14 日本軽金属株式会社 Manufacturing method of liquid-cooled jacket
JP2017185500A (en) * 2016-04-01 2017-10-12 日本軽金属株式会社 Manufacturing method of liquid-cooled jacket
CN108430687B (en) * 2016-06-20 2020-10-27 日本轻金属株式会社 Bonding method
CN108430687A (en) * 2016-06-20 2018-08-21 日本轻金属株式会社 Joint method
JPWO2018003449A1 (en) * 2016-07-01 2018-08-23 日本軽金属株式会社 Manufacturing method of heat transfer plate
WO2018003449A1 (en) * 2016-07-01 2018-01-04 日本軽金属株式会社 Method for manufacturing heat transfer plate
CN108472763B (en) * 2016-07-01 2020-07-24 日本轻金属株式会社 Method for manufacturing heat transfer plate
CN108472763A (en) * 2016-07-01 2018-08-31 日本轻金属株式会社 The manufacturing method of heat transfer plate
JP2018020364A (en) * 2016-08-05 2018-02-08 日本軽金属株式会社 Joint method
JP2018020365A (en) * 2016-08-05 2018-02-08 日本軽金属株式会社 Method for manufacturing cylindrical member
CN108472761A (en) * 2016-08-05 2018-08-31 日本轻金属株式会社 The manufacturing method of cylindrical structural member
CN108472761B (en) * 2016-08-05 2020-10-16 日本轻金属株式会社 Method for manufacturing cylindrical member
JP2018039016A (en) * 2016-09-05 2018-03-15 日本軽金属株式会社 Joining method
JP2018065165A (en) * 2016-10-18 2018-04-26 日本軽金属株式会社 Manufacturing method of cylindrical member
JP2018069325A (en) * 2016-11-04 2018-05-10 日本軽金属株式会社 Joining method
CN109562484A (en) * 2016-11-04 2019-04-02 日本轻金属株式会社 Joint method
CN109562484B (en) * 2016-11-04 2021-08-17 日本轻金属株式会社 Bonding method
WO2018084073A1 (en) * 2016-11-04 2018-05-11 日本軽金属株式会社 Joining method
JP2018086674A (en) * 2016-11-29 2018-06-07 日本軽金属株式会社 Junction method
JP2018086673A (en) * 2016-11-29 2018-06-07 日本軽金属株式会社 Junction method
JP2018094568A (en) * 2016-12-09 2018-06-21 日本軽金属株式会社 Joining method
JP2018108595A (en) * 2017-01-05 2018-07-12 日本軽金属株式会社 Joining method
JP2018126766A (en) * 2017-02-08 2018-08-16 日本軽金属株式会社 Jointing method
JP2018126765A (en) * 2017-02-08 2018-08-16 日本軽金属株式会社 Jointing method
JP2018134669A (en) * 2017-02-22 2018-08-30 日本軽金属株式会社 Joining method
JP2018134668A (en) * 2017-02-22 2018-08-30 日本軽金属株式会社 Joining method
JP2018176205A (en) * 2017-04-10 2018-11-15 日本軽金属株式会社 Joining method
JP2018187672A (en) * 2017-05-11 2018-11-29 日本軽金属株式会社 Joining method
JP2018187671A (en) * 2017-05-11 2018-11-29 日本軽金属株式会社 Joining method
CN110325314A (en) * 2017-05-26 2019-10-11 日本轻金属株式会社 Joint method
JP2019010673A (en) * 2017-07-03 2019-01-24 日本軽金属株式会社 Joining method
CN110087815A (en) * 2017-07-03 2019-08-02 日本轻金属株式会社 Joint method
JP2019089109A (en) * 2017-11-15 2019-06-13 日本軽金属株式会社 Joining method
CN110769966A (en) * 2017-11-15 2020-02-07 日本轻金属株式会社 Bonding method
WO2019097771A1 (en) * 2017-11-15 2019-05-23 日本軽金属株式会社 Joining method
CN113508001A (en) * 2019-04-12 2021-10-15 日本轻金属株式会社 Bonding method
CN111906433A (en) * 2020-08-10 2020-11-10 南昌航空大学 Friction stir welding method for thick plate aluminum-magnesium dissimilar material with changed friction interface

Also Published As

Publication number Publication date
JP6248790B2 (en) 2017-12-20

Similar Documents

Publication Publication Date Title
JP6248790B2 (en) Friction stir welding method
JP6287751B2 (en) Friction stir welding method
US10906127B2 (en) Friction stir welding method
JP6489219B2 (en) Joining method, liquid cooling jacket manufacturing method, and liquid cooling jacket
JP6052237B2 (en) Friction stir welding method
JP2016078087A (en) Joining method
JP2008302416A (en) Welding method
JP2020171953A (en) Joining method
JP2013255946A (en) Joining method
JP2010201441A (en) Joining method
WO2018216248A1 (en) Welding method
JP6743643B2 (en) Hollow container manufacturing method
JP6756105B2 (en) Joining method
JP2008194732A (en) Jointing method
JP2018199141A (en) Joining method
JP6699530B2 (en) Joining method
JP6090186B2 (en) Friction stir welding method
JP2018094569A (en) Joint method
JP6777020B2 (en) Joining method
JP6756253B2 (en) Joining method
JP2009172650A (en) Manufacturing method of joined structure
JP2015116593A (en) Joint method
JP6451503B2 (en) Joining method
JP2019010673A (en) Joining method
JP2015213930A (en) Junction method

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20160804

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20170517

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20170523

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20170714

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20171024

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20171106

R150 Certificate of patent or registration of utility model

Ref document number: 6248790

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

S531 Written request for registration of change of domicile

Free format text: JAPANESE INTERMEDIATE CODE: R313531

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350