JP2003001440A - Membrane for corner friction stir welding member welding method for the same - Google Patents
Membrane for corner friction stir welding member welding method for the sameInfo
- Publication number
- JP2003001440A JP2003001440A JP2001191157A JP2001191157A JP2003001440A JP 2003001440 A JP2003001440 A JP 2003001440A JP 2001191157 A JP2001191157 A JP 2001191157A JP 2001191157 A JP2001191157 A JP 2001191157A JP 2003001440 A JP2003001440 A JP 2003001440A
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- Japan
- Prior art keywords
- friction stir
- stir welding
- corner
- joint
- joined
- 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.)
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- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、摩擦攪拌接合よ
り、例えばアルミニウム、アルミニウム合金、マグネシ
ウム、マグネシウム合金、銅、銅合金、鉄、鉄合金、チ
タン、チタン合金等の同一、又は異種材の新規なすみ継
手摩擦攪拌接合用部材及びその接合方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a novel method of using the same or different materials such as aluminum, aluminum alloy, magnesium, magnesium alloy, copper, copper alloy, iron, iron alloy, titanium, titanium alloy, etc. rather than friction stir welding. TECHNICAL FIELD The present invention relates to a member for friction stir welding of a seam joint and a joining method thereof.
【０００２】[0002]
【従来の技術】従来の溶融溶接法によるすみ接合では、
溶融溶接であるため次のような問題点がある。ポロシ
ティーなどの溶接欠陥の発生による接合部の信頼性、
ヒューム、スパッタなどの発生による作業環境の悪化、
溶融部の凝固収縮による変形、溶接変形の矯正、
マグネシウム合金やチタン合金などの活性金属の場合、
溶融部の酸化防止のための不活性ガスシールドや真空装
置が必要である。2. Description of the Related Art In conventional corner welding by fusion welding,
Since it is fusion welding, there are the following problems. Reliability of the joint due to the occurrence of welding defects such as porosity,
Deterioration of work environment due to generation of fume and spatter,
Deformation due to solidification shrinkage of the fusion zone, correction of welding deformation,
In the case of active metals such as magnesium alloys and titanium alloys,
An inert gas shield and a vacuum device are required to prevent the oxidation of the fusion zone.
【０００３】上記のような溶融溶接による問題点に対し
て、特公表7-505090号公報(FP0615480B1)では摩擦攪拌
接合法が示されている。摩擦攪拌接合法は、部材の接合
をする場合、回転する回転ツールを接合部に挿入後、回
転ツールと接合材との摩擦熱で加熱された材料を、回転
ツールを移動させることにより相対的に回転ツールの後
方へ移動させて固相接合を行うものである。固相接合で
あるため、上記からの問題は基本的には解決でき
る。In order to solve the above problems caused by fusion welding, Japanese Patent Publication No. 7-505090 (FP0615480B1) discloses a friction stir welding method. In the friction stir welding method, when joining members, a rotating rotating tool is inserted into the joint, and the material heated by the friction heat between the rotating tool and the joint material is moved relatively by moving the rotating tool. It moves to the rear of the rotary tool to perform solid phase bonding. Since it is solid phase bonding, the above problems can be basically solved.
【０００４】しかし、摩擦攪拌接合法の場合、回転する
回転ツールを言わば強引に接合材に挿入しかつ移動させ
るため、接合材は回転ツールから大きな力を受ける。例
えば厚さ5mmのアルミ合金を接合する場合は、接合材が
受ける力はおよそ1000kgf程度である。したがって接合
材は例えば鋼板などの強度の高い裏当て材を用いてリジ
ッドに支持されることが重要である。これは平板の接合
では比較的容易に達成し得るが、すみ接合の場合は継手
形状に工夫する必要がある。However, in the friction stir welding method, since the rotating rotary tool is forcibly inserted into the welding material and moved, the welding material receives a large force from the rotating tool. For example, when joining an aluminum alloy having a thickness of 5 mm, the force received by the joining material is about 1000 kgf. Therefore, it is important that the joining material is rigidly supported by using a strong backing material such as a steel plate. This can be achieved relatively easily with flat plate joining, but in the case of corner joining, it is necessary to devise the joint shape.
【０００５】特表平9-508073号公報には、摩擦攪拌接合
法によるすみ接合が示されている。これは図1に示すよ
うにピン1及びショルダー2からなる回転する回転ツール
3を一対の接合材4及び5の突合せ部近傍に挿入し、その
状態で接合方向6に沿って回転ツール3を移動させること
により、接合部7を形成する方法である。この方法は、
外すみ接合である、接合部の外面に僅かな凹凸が発
生する、前記接合材が回転ツールから受ける力をリジ
ッドに受けるため、例えば図1に示すような裏当て材8及
び9は複数方向の力に耐えるように配置される必要があ
り煩雑である、などの問題点がある。In Japanese Patent Publication No. 9-508073, corner joining by a friction stir welding method is shown. This is a rotating rotary tool consisting of a pin 1 and a shoulder 2 as shown in Figure 1.
This is a method in which the joining portion 7 is formed by inserting 3 into the vicinity of the abutting portion of the pair of joining materials 4 and 5 and moving the rotary tool 3 along the joining direction 6 in that state. This method
Outer-joint joining, slight unevenness occurs on the outer surface of the joining portion, because the joining material receives the force received from the rotary tool rigidly, for example, the backing materials 8 and 9 as shown in FIG. There is a problem that it needs to be arranged so as to withstand the force and is complicated.
【０００６】特開平11-320128号には、内すみ接合方法
が示されている。これは図2に示すように、押えブロッ
ク10と回転ツール11からなるプローブを用いて、図3に
示すように内すみ接合するものである。被接合材12及び
13を裏当て部材14にリジッドに固定し、押えブロック10
と回転ツール11からなるプローブを接合部に沿って移動
させることにより摩擦攪拌接合する。しかしながらここ
に示される方法では、プローブが押えブロックと回転
ツールからなるため複雑であり、また押えブロックを被
接合材に押し当てるが被接合材の上昇が押えられなく、
高い精度が必要であり、プローブの作製が難しい、接
合部が曲線の場合、押えブロックの形状などが詳細に示
されていない、などの問題点がある。Japanese Unexamined Patent Publication (Kokai) No. 11-320128 discloses an inner corner joining method. As shown in FIG. 2, this uses a probe composed of a presser block 10 and a rotary tool 11 to join the inner corners as shown in FIG. Bonded material 12 and
Rigidly fix 13 to the backing member 14 and
Friction stir welding is performed by moving a probe including the rotating tool 11 along the joint. However, in the method shown here, the probe is complicated because it consists of a pressing block and a rotary tool, and the pressing block is pressed against the material to be welded, but the rise of the material to be welded cannot be suppressed,
There are problems that high precision is required, it is difficult to manufacture the probe, the joint portion is curved, and the shape of the pressing block is not shown in detail.
【０００７】本発明の目的は、被接合材の上昇が押え、
溶融溶接に見られる欠陥や凹凸が無く、かつ曲線接合に
対応できるすみ摩擦攪拌接合用部材及びその接合方法を
提供することにある。The object of the present invention is to suppress the rise of the materials to be joined,
It is an object of the present invention to provide a corner friction stir welding member that does not have defects and irregularities found in melt welding and can cope with curved welding, and a welding method thereof.
【０００８】[0008]
【課題を解決するための手段】本発明は、内面のなす角
度が所定の角度であるように配置された一対の被接合材
のすみ継手摩擦攪拌接合方法において、すみ継手の内側
にはその表面に接する突起が設けられており、回転する
回転ツールを突起側から被接合材に挿入し、回転ツール
と被接合材の接触による摩擦熱にて該被接合材を軟化さ
せ攪拌しながら該回転ツールを挿入状態で移動させ、少
なくとも一方の被接合材に設けられた突起部を介して接
合することを特徴とする。SUMMARY OF THE INVENTION The present invention is a friction stir welding method for a pair of materials to be joined in which the angle formed by the inner surfaces is a predetermined angle. The rotating tool is inserted into the material to be welded from the side of the protrusion, and the rotating tool is softened and agitated by frictional heat caused by contact between the rotating tool and the material to be welded while stirring. Is moved in the inserted state, and is joined via a protrusion provided on at least one of the members to be joined.
【０００９】内面のなす角度が所定の角度αであるよう
に配置された一対の被接合材のすみ継手接合方法におい
て、すみ継手の内側にはその表面に接する2辺が等しく
頂角角度αの逆三角柱形状の突起が設けられており、回
転する回転ツールを突起側から被接合材に挿入し、回転
ツールと該被接合材の接触による摩擦熱にて被接合材を
軟化させ攪拌しながら回転ツールを挿入状態で移動さ
せ、前述と同様に突起部を介して接合することを特徴と
する。In a corner joint joining method for a pair of materials to be joined which are arranged so that the angle formed by the inner surface is a predetermined angle α, the two sides in contact with the surface of the corner joint have equal apex angle α. An inverted triangular prism shaped protrusion is provided, and a rotating rotary tool is inserted into the material to be welded from the side of the protrusion, and the frictional heat caused by the contact between the rotating tool and the material to be welded softens the material to be welded and rotates it with stirring. It is characterized in that the tool is moved in the inserted state and is joined via the projection as in the above.
【００１０】本発明は、平板面の一方の面に三角形状の
突起を有し、該突起の三角形の一辺が接合部端面の延長
線上に形成されていることを特徴とするすみ摩擦攪拌接
合用部材にある。According to the present invention, the corner friction stir welding is characterized in that one side of the flat plate surface has a triangular projection, and one side of the triangle of the projection is formed on an extension line of the end surface of the joining portion. It is in the member.
【００１１】具体的には、接合部端面が平板面に対して
傾斜しており、該傾斜面に沿って形成された三角形状の
突起を有し、前記傾斜面の延長線上に前記突起の三角形
の一辺が形成されていること、又、接合部端部の一方の
平板面上に三角形状の突起を有することを特徴とするす
み摩擦攪拌接合用部材にある。Specifically, the end surface of the joint portion is inclined with respect to the flat plate surface and has a triangular protrusion formed along the inclined surface, and the triangular shape of the protrusion is provided on an extension line of the inclined surface. A corner friction stir welding member is characterized in that one side is formed and a triangular protrusion is provided on one flat plate surface of the end portion of the joint portion.
【００１２】上述の突起は、被接合部材に押出し加工に
よって一体に設けられるのが最も好ましいが、被接合部
材と同種の材料で別途設けられ、接合によって一体に接
合されるものでもよい。It is most preferable that the above-mentioned protrusion is integrally provided on the member to be joined by extrusion, but it may be separately provided by using the same material as that of the member to be joined and integrally joined by joining.
【００１３】本発明は、所定の角度で配置された一対の
被接合材を互いにすみで接合するすみ継手摩擦攪拌接合
方法において、前記被接合材の少なくとも一方の接合部
端部内角に突起が設けられ、該突起部に回転ツールを挿
入し、摩擦攪拌接合することを特徴とする。According to the present invention, in a corner joint friction stir welding method for joining a pair of materials to be welded arranged at a predetermined angle to each other at a corner, a projection is provided at an inner corner of an end portion of at least one of the materials to be welded. It is characterized in that a rotary tool is inserted into the protrusion and friction stir welding is performed.
【００１４】更に、本発明は、所定の角度で配置された
一対の被接合材を互いにすみで接合するすみ継手摩擦攪
拌接合方法において、前記被接合材の一方の接合部端部
内角に突起が設けられ、該突起部に回転ツールを挿入
し、摩擦攪拌接合すること、又、所定の角度で配置され
た一対の被接合材を互いにすみで接合するすみ継手摩擦
攪拌接合方法において、前記被接合材の両方の接合部端
部内角に突起が設けられ、該突起同志を互いに接し、前
記突起に回転ツールを挿入し、摩擦攪拌接合することを
特徴とする。Furthermore, in the present invention, in a corner joint friction stir welding method for joining a pair of materials to be welded arranged at a predetermined angle to each other at a corner, a protrusion is formed at an inner corner of one end of the material to be welded. In the friction stir welding method for corner joints, which is provided, a rotary tool is inserted into the protrusion to perform friction stir welding, and a pair of materials to be welded arranged at a predetermined angle are welded to each other at a corner. Protrusions are provided at the inner corners of both end portions of the material, the protrusions are in contact with each other, a rotary tool is inserted into the protrusions, and friction stir welding is performed.
【００１５】又、前述のすみ継手摩擦攪拌接合方法にお
いて、被接合材が前述に記載の接合用部材を用いること
を特徴とする。Further, in the above-described friction stir welding method for corner joints, the material to be welded is the above-mentioned welding member.
【００１６】本発明は、前記被接合部材を裏当て治具へ
固定して回転ツールの挿入によって摩擦攪拌接合するこ
と、そして被接合部材には治具への固定用孔を設けるの
が好ましい。これによって、健全な接合が得られるもの
である。In the present invention, it is preferable that the member to be joined is fixed to a backing jig and friction stir welding is performed by inserting a rotary tool, and the member to be joined is provided with a fixing hole for the jig. This results in a sound bond.
【００１７】図4は、本発明のすみ継手摩擦攪拌接合方
法を説明する断面図である。すなわち一対の接合材15及
び16の内、すみ部に突起17を配置し、これらを裏当て部
材18に図示していないクランプ機構によりリジッドに固
定する。次に回転する回転ツール19を図5に示すように
挿入し、さらに回転ツール19をすみ部に沿って移動させ
て接合する。突起17は被接合材16に一体となって形成さ
れたものではないが、被接合材と同種の材料からなり、
被接合材の接合と同時に一体に接合され、接合の際の押
し上げが防止される。突起17の回転ツール側の辺の幅は
回転ツールのショルダーの直径より大きくするのが好ま
しい。FIG. 4 is a sectional view for explaining the corner joint friction stir welding method of the present invention. That is, the protrusion 17 is arranged in the corner portion of the pair of joining materials 15 and 16, and these are fixed to the backing member 18 rigidly by a clamp mechanism (not shown). Next, the rotating tool 19 which rotates is inserted as shown in FIG. 5, and the rotating tool 19 is further moved along the corners to join them. The protrusion 17 is not formed integrally with the material 16 to be bonded, but is made of the same material as the material to be bonded,
The materials to be joined are joined together at the same time as the joining, and push-up during joining is prevented. The width of the side of the protrusion 17 on the rotary tool side is preferably larger than the diameter of the shoulder of the rotary tool.
【００１８】このとき突起17はすみ部のなす角αと同じ
頂角αの逆三角柱形状がよく、より好ましくは逆二等辺
三角形がよい。摩擦攪拌接合を行う場合、被接合材はリ
ジッドに固定されている必要があり、例えば被接合材の
長さが長くなった場合、突起17をリジッドに固定するこ
とが難しくなる。また接合中に回転ツールを移動した場
合、被接合材は回転ツールの進行方向に対しても回転ツ
ールから力を受けるため、細長い突起では突起自体の剛
性が不足し、突起の変形や浮上りが起こる。このため突
起17は一対の被接合材15及び16の少なくとも一方と一体
であることが望ましい。例えば図6に示す場合は、突起1
7は被接合材16に一体となって形成されたものであり、
接合の際の押し上げが防止される。突起17の回転ツール
側の辺の幅は回転ツールのショルダーの直径より大きく
するのが好ましい。At this time, the protrusion 17 preferably has an inverted triangular prism shape having the same apex angle α as the angle α formed by the corners, and more preferably an inverted isosceles triangle. When performing friction stir welding, the material to be welded needs to be fixed to the rigid. For example, when the length of the material to be welded becomes long, it becomes difficult to fix the protrusion 17 to the rigid. Also, when the rotating tool is moved during welding, the material to be welded receives a force from the rotating tool even in the traveling direction of the rotating tool, so the rigidity of the protrusion itself is insufficient for elongated protrusions, and deformation or rising of the protrusions does not occur. Occur. Therefore, it is desirable that the protrusion 17 is integral with at least one of the pair of materials 15 and 16 to be joined. For example, in the case shown in FIG. 6, the protrusion 1
7 is formed integrally with the material 16 to be joined,
Pushing up at the time of joining is prevented. The width of the side of the protrusion 17 on the rotary tool side is preferably larger than the diameter of the shoulder of the rotary tool.
【００１９】図7、本発明の他のすみ継手摩擦攪拌接合
方法を説明する断面図である。図７に示す場合は、突起
17(17aと17b)は被接合材15及び16の2つの部材の一部と
なっている。このように突起17を被接合材と一体化させ
ることにより接合中の突起17の変形を回避できる。被接
合材15及び16の接合部端面が平板面に対して傾斜してお
り、傾斜面に沿って形成された三角形状の突起17aと17b
を有し、傾斜面の延長線上に突起の三角形の一辺が形成
されているものである。突起17aと17bの回転ツール側の
辺の長さは回転ツールのショルダーの直径の半分以上が
好ましい。FIG. 7 is a sectional view for explaining another corner joint friction stir welding method of the present invention. In the case shown in FIG. 7, the protrusion
17 (17a and 17b) is a part of the two members 15 and 16 to be joined. By thus integrating the protrusion 17 with the material to be joined, deformation of the protrusion 17 during joining can be avoided. The end surfaces of the joints 15 and 16 to be joined are inclined with respect to the flat plate surface, and triangular protrusions 17a and 17b are formed along the inclined surface.
And one side of the triangle of the protrusion is formed on the extension line of the inclined surface. The length of the sides of the protrusions 17a and 17b on the rotary tool side is preferably not less than half the diameter of the shoulder of the rotary tool.
【００２０】さらに一対の被接合材15及び16の厚みがt1
及びt2(≧t1)であった場合、突起17の高さhはh≧t1/2す
なわち一対の被接合材の薄い方の板厚の半分以上である
ことが望ましい。これは逆三角柱形状の上面の幅wをあ
る程度大きくすることにより、回転ツールの形状を大き
くするためである。すなわち幅wが小さくなると回転ツ
ール形状が小さくなり強度を保てず、接合中の回転ツー
ルの破損が懸念される。以上のような突起が被接合材と
一体となっているすみ接合部材は、例えば押出し成形に
より作製するとよい。すなわち押出しダイスの穴を上記
のような形状にして接合部材を製造することにより、部
材製造コストの低減が可能となる。Further, the thickness of the pair of materials 15 and 16 to be joined is t 1
And t 2 (≧ t 1 ), the height h of the protrusion 17 is preferably h ≧ t 1/2, that is, half or more of the thinner plate thickness of the pair of materials to be joined. This is because the shape of the rotary tool is increased by increasing the width w of the upper surface of the inverted triangular prism shape to some extent. That is, when the width w becomes small, the shape of the rotary tool becomes small and the strength cannot be maintained, and there is a concern that the rotary tool may be damaged during welding. The corner-joining member in which the above-mentioned projections are integrated with the material to be joined may be produced by, for example, extrusion molding. That is, by manufacturing the joining member by forming the holes of the extrusion die as described above, it becomes possible to reduce the member manufacturing cost.
【００２１】使用する回転ツール19のショルダー部直径
Dはおよそ幅wと同等であることが好ましい。ショルダー
部直径Dが幅wに比較して極度に大きくなると、ショルダ
ー部20が被接合材15や16に食込み、切削してしまうため
である。Shoulder diameter of the rotary tool 19 used
D is preferably approximately equal to width w. This is because when the diameter D of the shoulder portion becomes extremely larger than the width w, the shoulder portion 20 bites into the materials 15 and 16 to be joined and cuts.
【００２２】以上のようなすみ接合は、被接合材として
アルミまたはアルミ合金、マグネシウムまたはマグネシ
ウム合金、銅または銅合金、鉄または鉄合金、チタンま
たはチタン合金、ニッケルまたはニッケル合金など多く
の金属材料やその化合物に適用できる。またすみ部は直
線状の1次元、平面曲線状の2次元、任意曲面状の3次元
でも、本発明によれば接合可能となる。In the above corner joining, many metallic materials such as aluminum or aluminum alloy, magnesium or magnesium alloy, copper or copper alloy, iron or iron alloy, titanium or titanium alloy, nickel or nickel alloy, etc. Applicable to the compound. In addition, according to the present invention, it is possible to join the corner portions even if the corner portions are linear one-dimensional, planar curved two-dimensional, and arbitrarily curved three-dimensional.
【００２３】また図11及び図12に示す本実施例のように
被接合部材15及び16は鉛直方向に対してV型、L型などに
配置してもよく、その配置はこれに限定されない。すな
わち被接合材15及び16と回転ツール19の相対関係が取れ
ていればよいことは言うまでもない。図12においては、
被接合材21の端部の両側に三角形状の突起17を設け、平
板の被接合材23の両側に被接合材21を前述と同様に接合
するものである。Further, as in the present embodiment shown in FIGS. 11 and 12, the members to be joined 15 and 16 may be arranged in V-shape, L-shape or the like in the vertical direction, and the arrangement is not limited to this. That is, it goes without saying that the materials 15 and 16 to be joined and the rotary tool 19 may be in a relative relationship. In FIG.
Triangular protrusions 17 are provided on both sides of the end of the material to be bonded 21, and the material to be bonded 21 is bonded to both sides of the material to be bonded 23 which is a flat plate in the same manner as described above.
【００２４】以上の様に、従来、接合の際に回転ツール
を被接合材に挿入することにより被接合材が回転ツール
に設けられているネジ溝によって押し上げられる力を受
け、健全な接合が出来ないが、本発明の被接合材に設け
られた突起によってその力が押えられ、欠陥や凹凸が無
く、かつ曲線接合に対応できるすみ摩擦攪拌接合が得ら
れるものである。As described above, conventionally, when the rotary tool is inserted into the material to be welded at the time of welding, the material to be welded receives the force pushed up by the screw groove provided in the rotary tool, so that a healthy welding can be performed. However, the force is suppressed by the protrusions provided on the material to be welded according to the present invention, so that the corner friction stir welding that does not have defects or irregularities and can cope with curved welding can be obtained.
【００２５】[0025]
【発明の実施の形態】（実施例1）本発明の具体的な摩
擦攪拌接合の具体的な内容を以下に示す。図9に示すよ
うに、被接合材15及び16は板厚がともに8mm、長さ1mの
アルミ合金であり、押出し加工により製造した。突起17
は被接合材16と一体の逆二等辺三角柱形状であり、図面
p=6mmである。すなわち高さh=6/√2≒4．24mmであり、
幅w=6√2≒8．49mmであり、頂角α=90°である。回転ツ
ール19は工具鋼であり、ショルダー部20の直径D=9mmで
ある。接合手順は、まず図9のように被接合材15及び16
を図示していない裏当て部材にリジッドに固定した。次
に回転ツール19を1000rpmで回転させて突起17側から被
接合材15及び16に挿入した。このときショルダー部20は
突起17に約0。1mm挿入した。次に回転ツール19をすみ部
の接合線に沿って300mm/minで移動させ接合を行った。
このとき回転ツール19は回転ツールの移動方向に対して
後方に3°傾けた。被接合材15及び16は、いずれも裏当
て部材18に固定用孔を通してボルトによって固定して接
合される。BEST MODE FOR CARRYING OUT THE INVENTION (Example 1) The specific content of the specific friction stir welding of the present invention is shown below. As shown in FIG. 9, materials 15 and 16 to be joined were aluminum alloys having a plate thickness of 8 mm and a length of 1 m, and were manufactured by extrusion processing. Protrusion 17
Is an inverted isosceles triangular prism shape integrated with the material to be welded 16,
p = 6 mm. That is, the height h = 6 / √2 ≒ 4.24mm,
The width w = 6√2≈8.49 mm and the apex angle α = 90 °. The rotary tool 19 is tool steel, and the diameter of the shoulder portion 20 is D = 9 mm. The joining procedure is as follows:
Was rigidly fixed to a backing member (not shown). Next, the rotary tool 19 was rotated at 1000 rpm and inserted into the materials 15 and 16 to be bonded from the side of the protrusion 17. At this time, the shoulder portion 20 was inserted into the protrusion 17 by about 0.1 mm. Next, the rotating tool 19 was moved at 300 mm / min along the joining line at the corner to join them.
At this time, the rotary tool 19 was tilted backward by 3 ° with respect to the moving direction of the rotary tool. The materials 15 and 16 to be joined are both joined to the backing member 18 by fixing them with bolts through fixing holes.
【００２６】以上の様に、従来、接合の際に回転ツール
19を被接合材に挿入することにより被接合材が回転ツー
ル19に設けられているネジ溝によって押し上げられる力
を受け、健全な接合が出来ないが、本実施例の被接合材
に設けられた突起17によってその力が押えられ、欠陥や
凹凸が無く、かつ曲線接合に対応できるすみ継手摩擦攪
拌接合が得られた。As described above, the rotary tool has been conventionally used for joining.
By inserting 19 into the material to be welded, the material to be welded receives a force pushed up by the screw groove provided in the rotary tool 19, and a healthy joint cannot be made, but it was provided to the material to be welded in this example. The force was suppressed by the protrusions 17, and there was no defect or unevenness, and a stir joint friction stir welding capable of handling curved welding was obtained.
【００２７】図10は、すみ継手摩擦攪拌接合されたすみ
接合部及びその外側の外観を示す図である。図10に示す
様に、いずれも平坦であり、一対の被接合材は互いに強
固に接合されていることが確認された。FIG. 10 is a view showing the external appearance of a corner joint part which is friction stir welded and the outside thereof. As shown in FIG. 10, all were flat, and it was confirmed that the pair of materials to be bonded were firmly bonded to each other.
【００２８】（実施例2）本発明の別の実施例を以下に
示す。図11に示すように、被接合材15及び16は板厚がと
もに12mmの銅合金である。突起17a及び17bは被接合材15
及び16と一体の逆二等辺三角柱形状であり、図面p=9mm
である。すなわち高さh=9/√2≒6。36mmであり、幅w=9
√2≒12。7mmであり、頂角α=90°である。回転ツール1
9は超硬であり、ショルダー部20の直径D=13mmである。
接合手順は実施例1と同様に、まず図11のように被接合
材15及び16を図示していない裏当て部材にリジッドに固
定した。次に回転ツール19を1300rpmで回転させて突起1
7側から被接合材15及び16に挿入した。このときショル
ダー部20は突起17に約0。1mm挿入した。次に回転ツール
19をすみ部の接合線に沿って200mm/minで移動させ接合
を行った。このとき回転ツール19は回転ツールの移動方
向に対して後方に3°傾けた。以上の方法により、すみ
接合を容易に実施可能であった。(Embodiment 2) Another embodiment of the present invention will be described below. As shown in FIG. 11, the materials 15 and 16 to be joined are copper alloys having a plate thickness of 12 mm. The protrusions 17a and 17b are the members to be joined 15
It is an inverted isosceles triangular prism shape integrated with 16 and 16 and drawing p = 9mm
Is. That is, height h = 9 / √2 ≒ 6.36mm and width w = 9
√2 ≈ 12.7 mm and the apex angle α = 90 °. Rotating tool 1
9 is super hard, and the diameter D of the shoulder portion 20 is 13 mm.
The joining procedure was similar to that in Example 1, and first, as shown in FIG. 11, the materials 15 and 16 to be joined were rigidly fixed to a backing member (not shown). Next, rotate the rotary tool 19 at 1300 rpm to make the protrusion 1
It was inserted into the materials 15 and 16 to be joined from the 7 side. At this time, the shoulder portion 20 was inserted into the protrusion 17 by about 0.1 mm. Then rotate tool
19 was moved along the joining line at the corner at 200 mm / min for joining. At this time, the rotary tool 19 was tilted backward by 3 ° with respect to the moving direction of the rotary tool. With the above method, the corner joining could be easily performed.
【００２９】以上の様に、本実施例の被接合材に設けら
れた突起17によってその力が押えられ、欠陥や凹凸が無
く、かつ曲線接合に対応できるすみ摩擦攪拌接合が得ら
れた。又、以上の方法で実施したすみ接合部及びその外
側の外観はいずれも平坦であり、一対の被接合材は互い
に強固に接合されていることが確認された。As described above, the force is suppressed by the protrusions 17 provided on the materials to be welded in this embodiment, and the corner friction stir welding having no defects or irregularities and capable of dealing with curved welding was obtained. In addition, it was confirmed that the appearance of the corner joint and the outside thereof, which were carried out by the above method, were both flat, and that the pair of materials to be joined were firmly joined to each other.
【００３０】（実施例3）本発明のリブ構造部品への適
用例の断面図を図12に示す。前記部品は十字型のアルミ
製リブ構造体であり、突起17を有する被接合材21及び22
を平板状の被接合材23に摩擦攪拌接合で接合したもので
ある。本部品の製造方法を図13に示す。なお接合条件は
実施例2と同じとした。まず被接合材21及び23を図示し
ていない冶具に固定する。次に回転する回転ツール19を
図13(a)に示すように紙面右側の突起17に挿入し、回転
ツール19を紙面奥方向に移動させて接合する。次に図13
(b)に示すように同様の方法で紙面左側の部分を接合す
る。このようにして被接合材21及び23を一体化したT型
部材24を作製する。次に図13(c)に示すように被接合材2
2及びT型部材24を同様の方法で接合する。本実施例によ
り接合部の信頼性に優れた部品が得られる。(Embodiment 3) A sectional view of an application example of the present invention to a rib structure component is shown in FIG. The component is a cross-shaped aluminum rib structure, and the members to be joined 21 and 22 having the protrusions 17 are joined together.
Is joined to a flat member 23 by friction stir welding. The manufacturing method of this component is shown in FIG. The joining conditions were the same as in Example 2. First, the materials to be joined 21 and 23 are fixed to a jig (not shown). Next, the rotating rotating tool 19 is inserted into the protrusion 17 on the right side of the paper surface as shown in FIG. 13 (a), and the rotating tool 19 is moved in the depth direction of the paper surface to be joined. Next in Figure 13
As shown in (b), join the parts on the left side of the paper in the same way. In this way, the T-shaped member 24 in which the joined materials 21 and 23 are integrated is produced. Next, as shown in FIG.
2 and the T-shaped member 24 are joined in the same manner. According to this embodiment, a component having excellent reliability at the joint can be obtained.
【００３１】以上の様に、本実施例の被接合材に設けら
れた突起17によってその力が押えられ、欠陥や凹凸が無
く、かつ曲線接合に対応できるすみ摩擦攪拌接合が得ら
れた。又、以上の方法で実施したすみ接合部及びその外
側の外観はいずれも平坦であり、寸法安定性や見栄えが
良く、一対の被接合材は互いに強固に接合されているこ
とが確認された。As described above, the protrusions 17 provided on the materials to be joined of this embodiment suppressed the force, and the corner friction stir welding with no defects or irregularities and capable of dealing with curved welding was obtained. Also, it was confirmed that the appearance of the corner joint and the outside thereof, which were carried out by the above-mentioned method, were both flat and had good dimensional stability and good appearance, and that the pair of materials to be joined were firmly joined to each other.
【００３２】[0032]
【発明の効果】本発明によれば、接合部が平坦でかつポ
ロシティーなどの欠陥が無く、信頼性が高く、更に溶接
で見られるヒュームやスパッタなども無く作業環境性に
優れており、変形も小さいすみ接合を形成可能である。
また接合部はすみ部内側にあり、外観も良好である。EFFECTS OF THE INVENTION According to the present invention, the joint is flat, there are no defects such as porosity, the reliability is high, and there is no fume or spatter that can be seen in welding, and the work environment is excellent. It is possible to form a small corner joint.
In addition, the joint is inside the corner and the appearance is good.
【図１】 従来の外すみ継手摩擦攪拌接合を示す斜視
図。FIG. 1 is a perspective view showing a conventional outer corner joint friction stir welding.
【図２】 従来の押えブロックを用いたすみ継手摩擦攪
拌接合用回転ツールの斜視図。FIG. 2 is a perspective view of a rotary tool for friction stir welding of a corner joint using a conventional pressing block.
【図３】 従来の押えブロックを用いた内すみ継手摩擦
攪拌接合方法を示す断面図。FIG. 3 is a cross-sectional view showing a conventional internal corner joint friction stir welding method using a pressing block.
【図４】 本発明のすみ継手摩擦攪拌接合方法を示す断
面図。FIG. 4 is a cross-sectional view showing a corner joint friction stir welding method of the present invention.
【図５】 本発明のすみ摩擦攪拌接合方法を示す断面
図。FIG. 5 is a sectional view showing a corner friction stir welding method of the present invention.
【図６】 本発明のすみ継手摩擦攪拌接合方法を示す断
面図。FIG. 6 is a cross-sectional view showing a corner joint friction stir welding method of the present invention.
【図７】 本発明のすみ継手摩擦攪拌接合方法を示す断
面図。FIG. 7 is a sectional view showing a corner joint friction stir welding method of the present invention.
【図８】 本発明のすみ継手摩擦攪拌接合方法の詳細を
示す断面図。FIG. 8 is a sectional view showing details of the corner joint friction stir welding method of the present invention.
【図９】 実施例1のすみ継手摩擦攪拌接合方法を示す
断面図。FIG. 9 is a cross-sectional view showing a corner joint friction stir welding method of Example 1.
【図１０】 実施例1のすみ継手摩擦攪拌接合部の外観
を示す図。FIG. 10 is a diagram showing an external appearance of a corner joint friction stir welding portion of Example 1.
【図１１】 実施例2のすみ継手摩擦攪拌接合方法を示
す断面図。FIG. 11 is a cross-sectional view showing a corner joint friction stir welding method of Example 2.
【図１２】 実施例3のすみ継手摩擦攪拌接合方法を示
す断面図。FIG. 12 is a cross-sectional view showing a corner joint friction stir welding method of Example 3.
【図１３】 実施例3のすみ継手摩擦攪拌接合方法の製
造手順を示す断面図。13 is a cross-sectional view showing the manufacturing procedure of the corner joint friction stir welding method of Example 3. FIG.
1…ピン、2…ショルダー、3…回転ツール、4…被接合
材、5…被接合材、6…接合方向、7…接合部、8…裏当て
材、9…裏当て材、10…押えブロック、11…回転ツー
ル、12…被接合材、13…被接合材、14…裏当て部材、15
…被接合材、16…被接合材、17、17a、17b…突起、18…
裏当て部材、19…回転ツール、20…ショルダー部、21…
被接合材、22…被接合材、23…被接合材、24…T型部
材。1 ... Pin, 2 ... Shoulder, 3 ... Rotating tool, 4 ... Joined material, 5 ... Joined material, 6 ... Joining direction, 7 ... Joined part, 8 ... Backing material, 9 ... Backing material, 10 ... Presser foot Block, 11 ... Rotating tool, 12 ... Joined material, 13 ... Joined material, 14 ... Backing member, 15
Material to be bonded, 16 Material to be bonded, 17, 17a, 17b ... Protrusion, 18 ...
Backing member, 19 ... Rotating tool, 20 ... Shoulder part, 21 ...
Materials to be bonded, 22 ... Materials to be bonded, 23 ... Materials to be bonded, 24 ... T-shaped members.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 坂本 征彦 茨城県日立市大みか町七丁目１番１号 株 式会社日立製作所日立研究所内 (72)発明者 平野 聡 茨城県日立市大みか町七丁目１番１号 株 式会社日立製作所日立研究所内 (72)発明者 岡村 久宜 茨城県日立市大みか町七丁目１番１号 株 式会社日立製作所日立研究所内 Ｆターム(参考） 4E067 AA02 AA05 AA06 AA07 AA12 AA26 BG00 DA13 EC00 ─────────────────────────────────────────────────── ─── Continued front page (72) Inventor Yasuhiko Sakamoto 7-1-1, Omika-cho, Hitachi-shi, Ibaraki Prefecture Inside the Hitachi Research Laboratory, Hitachi Ltd. (72) Inventor Satoshi Hirano 7-1-1, Omika-cho, Hitachi-shi, Ibaraki Prefecture Inside the Hitachi Research Laboratory, Hitachi Ltd. (72) Inventor Kuniyoshi Okamura 7-1-1, Omika-cho, Hitachi-shi, Ibaraki Prefecture Inside the Hitachi Research Laboratory, Hitachi Ltd. F-term (reference) 4E067 AA02 AA05 AA06 AA07 AA12 AA26 BG00 DA13 EC00
Claims (9)
し、該突起の三角形の一辺が接合部端面の延長線上に形
成されていることを特徴とするすみ継手摩擦攪拌接合用
部材。1. A member for friction stir welding of a corner joint, wherein one side of the flat plate surface has a triangular protrusion, and one side of the triangle of the protrusion is formed on an extension line of the end face of the joint portion. .
り、該傾斜面に沿って形成された三角形状の突起を有
し、前記傾斜面の延長線上に前記突起の三角形の一辺が
形成されていることを特徴とするすみ継手摩擦攪拌接合
用部材。2. The end face of the joint portion is inclined with respect to the flat plate surface, and has a triangular protrusion formed along the inclined face, and one side of the triangular shape of the protrusion is on an extension line of the inclined face. A member for friction stir welding of a corner joint, which is characterized by being formed.
突起を有することを特徴とするすみ継手摩擦攪拌接合用
部材。3. A member for friction stir welding of a corner joint, comprising a triangular protrusion on one flat plate surface of an end portion of the joint portion.
ールの挿入によって摩擦攪拌接合する際の裏当て治具へ
の固定用孔が設けられていることを特徴とするすみ継手
摩擦攪拌接合用部材。4. The friction stir welding of a corner joint according to any one of claims 1 to 3, wherein a fixing hole is provided to a backing jig when performing friction stir welding by inserting a rotary tool. Parts.
互いにすみで接合するすみ継手摩擦攪拌接合方法におい
て、前記被接合材の少なくとも一方の接合部端部内角に
突起が設けられ、該突起部に回転ツールを挿入し、摩擦
攪拌接合することを特徴とするすみ継手摩擦攪拌接合方
法。5. In a corner joint friction stir welding method for joining a pair of materials to be welded arranged at a predetermined angle to each other by a corner, at least one of the materials to be welded is provided with a projection at an inner corner of an end portion thereof. A friction stir welding method for corner joints, characterized in that a rotary tool is inserted into the protrusion and friction stir welding is performed.
互いにすみで接合するすみ継手摩擦攪拌接合方法におい
て、前記被接合材の一方の接合部端部内角に突起が設け
られ、該突起部に回転ツールを挿入し、摩擦攪拌接合す
ることを特徴とするすみ継手摩擦攪拌接合方法。6. A method of friction stir welding of a joint to join a pair of materials to be joined arranged at a predetermined angle with a corner, wherein a protrusion is provided at an inner corner of one end of the material to be joined. A friction stir welding method for corner joints, characterized in that a rotary tool is inserted into the protrusion to perform friction stir welding.
互いにすみで接合するすみ継手摩擦攪拌接合方法におい
て、前記被接合材の両方の接合部端部内角に突起が設け
られ、該突起同志を互いに接し、前記突起に回転ツール
を挿入し、摩擦攪拌接合することを特徴とするすみ継手
摩擦攪拌接合方法。7. A method of friction stir welding of a joint to join a pair of materials to be joined, which are arranged at a predetermined angle, with a corner, wherein projections are provided at both inner corners of the end portions of the joining parts of the materials to be joined. A friction stir welding method for corner joints, wherein the protrusions are in contact with each other, a rotary tool is inserted into the protrusions, and friction stir welding is performed.
互いにすみで接合するすみ継手摩擦攪拌接合方法におい
て、前記被接合材が請求項５〜７のいずれかに記載の接
合用部材からなることを特徴とするすみ継手摩擦攪拌接
合方法。8. A joining member according to any one of claims 5 to 7, wherein in the method of friction stir welding of a joint, a method of joining a pair of members to be joined arranged at a predetermined angle to each other by a corner. A friction stir welding method for corner joints comprising:
接合部材を裏当て治具へ固定して回転ツールの挿入によ
って摩擦攪拌接合することを特徴とするすみ継手摩擦攪
拌接合方法。9. The friction stir welding method for a joint according to claim 5, wherein the member to be joined is fixed to a backing jig and friction stir welding is performed by inserting a rotary tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001191157A JP2003001440A (en) | 2001-06-25 | 2001-06-25 | Membrane for corner friction stir welding member welding method for the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001191157A JP2003001440A (en) | 2001-06-25 | 2001-06-25 | Membrane for corner friction stir welding member welding method for the same |
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| Publication Number | Publication Date |
|---|---|
| JP2003001440A true JP2003001440A (en) | 2003-01-08 |
Family
ID=19029826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001191157A Pending JP2003001440A (en) | 2001-06-25 | 2001-06-25 | Membrane for corner friction stir welding member welding method for the same |
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| Country | Link |
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| JP (1) | JP2003001440A (en) |
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| EP2067563A1 (en) * | 2007-12-07 | 2009-06-10 | Alcoa Inc. | Friction-stir weldments and systems and methods for producing the same |
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| US20140166731A1 (en) * | 2011-08-19 | 2014-06-19 | Nippon Light Metal Company, Ltd. | Friction stir welding method |
| US8857696B1 (en) * | 2014-04-01 | 2014-10-14 | King Fahd University Of Petroleum And Minerals | Method and tool for friction stir welding |
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