JP2000301364A - Rotation friction agitation joining method of dissimiliar metal material - Google Patents

Rotation friction agitation joining method of dissimiliar metal material

Info

Publication number
JP2000301364A
JP2000301364A JP10456399A JP10456399A JP2000301364A JP 2000301364 A JP2000301364 A JP 2000301364A JP 10456399 A JP10456399 A JP 10456399A JP 10456399 A JP10456399 A JP 10456399A JP 2000301364 A JP2000301364 A JP 2000301364A
Authority
JP
Japan
Prior art keywords
round bar
copper
friction welding
angle
brass
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP10456399A
Other languages
Japanese (ja)
Inventor
Mitsuo Tsukada
光男 塚田
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP10456399A priority Critical patent/JP2000301364A/en
Publication of JP2000301364A publication Critical patent/JP2000301364A/en
Pending legal-status Critical Current

Links

Abstract

PROBLEM TO BE SOLVED: To provide a rotation friction agitation joining method of dissimilar metal materials capable of high mechanical strength joining and reducing buckling deformation toward the outside of metal. SOLUTION: A straight conical shaped recessed part is formed to the end of a stainless steel round bar 1, a straight conical shaped projecting part is formed to the end of a bronze round bar 2. The straight cone of the round bar 1 projecting part is one having an angle roughly 10 deg. of between a generating line and a bottom face of the straight cone. The straight cone of the round bar 2 recessed part is one having roughly an angle 12 deg. of between the generating line and the bottom face of the straight cone. The apex of the round bar 2 projecting part is brought in contact with the apex of the round bar 1 recessed part, both are subjected to mutual rotation motion with pressing. After a temp. of joining faces reaches a welding temp., rotation is stopped and the pressing is executed. The round bar 1 may be carbon steel or the like, the round bar 2 may be aluminum, copper or the like.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、異種金属材料の回
転摩擦圧接方法の改良に関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement in a method of rotary friction welding of dissimilar metal materials.

【0002】[0002]

【従来の技術】金属材料の接合には、溶接による方法や
ろう付けによる方法,回転摩擦圧接による方法等が知ら
れている。異種金属材料,例えばステンレス鋼と銅の接
合は、溶融点の相違によりアーク,ガス溶接が不可能で
あった。また、小物部品の接合にはろう付け(軟ろう=
はんだ、硬ろう=銀,黄銅,銅など)による方法がある
が、フラックスやろう材の選定が難しく、設備と熟練が
必要であった。
2. Description of the Related Art Methods of joining metal materials include a method by welding, a method by brazing, and a method by rotary friction welding. Arc and gas welding were not possible for the joining of dissimilar metal materials, such as stainless steel and copper, due to differences in melting points. In addition, brazing (soft soldering =
Although there is a method using solder, hard solder = silver, brass, copper, etc., it is difficult to select a flux or brazing material, and equipment and skill are required.

【0003】銅と黄銅の接合はハンダ付け又は銀ろう付
けで行われているが、接合に際しては双方の材料を加熱
し、ろうの「ぬれ性」を利用して接合していた。しかし
ながら、この方法で銅と黄銅を接合する場合、アセチレ
ン・ガスで両母材を加熱する必要があるが、銅も黄銅も
熱伝導率が高いので、加熱を長時間行う必要があり、熟
練を必要としていた。
[0003] Copper and brass are joined by soldering or silver brazing. In joining, however, both materials are heated and joined by utilizing the "wetting property" of brazing. However, when copper and brass are joined by this method, it is necessary to heat both base materials with acetylene gas, but since both copper and brass have high thermal conductivity, it is necessary to perform heating for a long time, and skill is required. Needed.

【0004】異種金属材料,例えばステンレス鋼の丸棒
と銅の丸棒を回転摩擦圧接することが知られている。し
かしながら、中心部分の周速が外周部分の周速より小さ
いため、中心部の温度が外周部分の温度より低く、良好
な接合が得られない。また、金属の外側への座屈変形が
大きい。
[0004] It is known that a round bar made of dissimilar metal materials, for example, a stainless steel bar and a copper bar is subjected to rotational friction welding. However, since the peripheral speed of the central portion is lower than the peripheral speed of the outer peripheral portion, the temperature of the central portion is lower than the temperature of the outer peripheral portion, and good bonding cannot be obtained. In addition, the buckling deformation of the metal to the outside is large.

【0005】銅と黄銅を回転摩擦圧接することも試みら
れているが、溶接温度付近になると、黄銅の接合面がぼ
ろぼろになったり,亀裂が入ったりして、溶接を行うこ
とが出来ない。
[0005] Rotational friction welding of copper and brass has also been attempted, but when the temperature is near the welding temperature, the brass joint surface becomes ragged or cracks, making it impossible to perform welding.

【0006】[0006]

【発明が解決しようとする課題】本発明はこの点に鑑み
て創作されたものであって、本発明の第1の目的は、機
械的強度の大きい接合が得られると共に、金属の外側へ
の座屈変形が小さい異種金属材料の回転摩擦圧接方法を
提供することにある。本発明の第2の目的は、銅と黄銅
を簡単に接合できるようになった異種金属材料の回転摩
擦圧接方法を提供することにある。
DISCLOSURE OF THE INVENTION The present invention has been made in view of this point, and a first object of the present invention is to obtain a joint having high mechanical strength and to be able to attach to the outside of a metal. An object of the present invention is to provide a method of rotational friction welding of dissimilar metallic materials having small buckling deformation. A second object of the present invention is to provide a method of rotary friction welding of dissimilar metal materials, which can easily join copper and brass.

【0007】[0007]

【課題を解決するための手段】請求項1の異種金属材料
の回転摩擦圧接方法は、異種金属材料の回転摩擦圧接方
法であって、硬い方の金属の母材の端に凹部を形成する
と共に、軟らかい方の金属の母材の端に凸部を形成し、
凹部の底部と凸部の頭部が接触するように2個の母材を
突き合わせて加圧し、相対回転運動させることにを特徴
とするものである。
According to a first aspect of the present invention, there is provided a method for rotational friction welding of dissimilar metal materials, comprising forming a recess at an end of a hard metal base material. , Forming a convex portion at the end of the softer metal base material,
The present invention is characterized in that two base materials are pressed against each other so that the bottom of the concave portion and the head of the convex portion are in contact with each other, and are relatively rotated.

【0008】請求項2の異種金属材料の回転摩擦圧接方
法は、請求項1の回転摩擦圧接方法おいて、凹部が直円
錐形であり、凸部も直円錐形であることを特徴とするも
のである。
According to a second aspect of the invention, there is provided a method for rotational friction welding of dissimilar metal materials, wherein the concave portion has a right conical shape and the convex portion has a right conical shape. It is.

【0009】請求項3の異種金属材料の回転摩擦圧接方
法は、請求項2の異種金属材料の回転摩擦圧接方法にお
いて、凹部の直円錐が母線と直円錐の底面のなす角度α
が10°ないし12°の範囲のものであり、凸部の直円
錐が母線の直円錐の底面のなす角度βがα+2°ないし
3°のものであることを特徴とするものである。
According to a third aspect of the present invention, there is provided a method for rotational friction welding of dissimilar metal materials according to the second aspect, wherein the angle .alpha.
Is in the range of 10 ° to 12 °, and the angle β formed by the straight cone of the convex portion and the bottom surface of the straight cone of the generating line is α + 2 ° to 3 °.

【0010】請求項4の異種金属の回転圧接方法は、銅
と黄銅との回転摩擦圧接方法であって、黄銅の突き合わ
せ面に銀ろうの層を設け、銀ろうの層が設けられた黄銅
と銅とを突き合わせて加圧し、相対回転運動させること
を特徴とするものである。
In another aspect of the present invention, there is provided a method for rotationally welding different metals, which is a method for rotational friction welding between copper and brass. It is characterized in that copper is abutted against and pressurized to make a relative rotational movement.

【0011】[0011]

【発明の実施の形態】図1は本発明の第1実施例を説明
する図である。同図において、1は硬い金属材料の丸
棒、2は軟らかい金属材料の丸棒をそれぞれ示してい
る。丸棒1は例えばステンレス鋼や炭素鋼などであり、
丸棒2は例えば銅や黄銅,アルミニウムなどである。
FIG. 1 is a diagram for explaining a first embodiment of the present invention. In the figure, 1 is a round bar of a hard metal material, and 2 is a round bar of a soft metal material. The round bar 1 is made of, for example, stainless steel or carbon steel,
The round bar 2 is, for example, copper, brass, aluminum or the like.

【0012】図1(a) は圧接面形状角度の例を示す図で
ある。図1(a) に示すように、丸棒1の端には直円錐の
凹みが設けられている。この直円錐において、母線と直
円錐の底面のなす角度αは、10°ないし12°であ
る。丸棒2の端は直円錐形に尖らされている。この直円
錐において母線と直円錐の底面のなす角度βは、α+δ
である。δは2°ないし3°である。
FIG. 1A is a diagram showing an example of a press contact surface shape angle. As shown in FIG. 1 (a), the end of the round bar 1 is provided with a right conical recess. In this right cone, the angle α formed by the generating line and the bottom surface of the right cone is 10 ° to 12 °. The end of the round bar 2 is pointed in a right conical shape. In this right cone, the angle β formed between the generating line and the bottom surface of the right cone is α + δ
It is. δ is 2 ° to 3 °.

【0013】図1(b) に示すように、丸棒2を丸棒1に
向けて押し上げると、丸棒2の端に設けられている直円
錐形突起部の頂点が丸棒1に設けられている直円錐形凹
み部の頂点に突き当たる。丸棒2が丸棒1に押しつけら
れた状態で丸棒1を回転すると、最初に丸棒1の中心と
丸棒2の中心が加熱され、熱は矢印で示されるように流
れる。回転加圧を続けると徐々に外周に接触面が拡が
る。
As shown in FIG. 1 (b), when the round bar 2 is pushed up toward the round bar 1, the apex of the right conical projection provided at the end of the round bar 2 is provided on the round bar 1. Into the apex of the right conical recess. When the round bar 1 is rotated with the round bar 2 pressed against the round bar 1, first, the center of the round bar 1 and the center of the round bar 2 are heated, and heat flows as indicated by arrows. As the rotational pressure is continued, the contact surface gradually expands to the outer periphery.

【0014】丸棒2は銅などで作られているので、熱伝
導率が良く、接合面の温度は速やかに一様になる。丸棒
1はステンレス鋼等で作られているので、熱伝導率が悪
く、接合面の温度はなかなか一様にならないが、中心部
が先に回転摩擦され、その後に周縁部が回転摩擦される
ので、中心部の温度が周縁部の温度より低いと言う従来
の技術の問題点を克服することが出来る。
Since the round bar 2 is made of copper or the like, the thermal conductivity is good and the temperature of the joint surface becomes uniform quickly. Since the round bar 1 is made of stainless steel or the like, the thermal conductivity is poor and the temperature of the joint surface is not very uniform, but the center portion is subjected to rotational friction first, and then the peripheral edge portion is subjected to rotational friction. Therefore, the problem of the prior art that the temperature at the center is lower than the temperature at the periphery can be overcome.

【0015】接合面の温度が溶接温度になった後、丸棒
1の回転を停止し、丸棒2を丸棒1に押しつけると、丸
棒1と丸棒2が接合される。図1(c) は接合された後の
状態を示す。丸棒1に設けられた凹みは、丸棒2の横方
向への座屈変形を制限する働きをする。また、図示のよ
うに、直円錐の圧接面形状角度が僅かであるので、接合
面に形成される酸化膜の排出が阻害されることはない。
When the rotation of the round bar 1 is stopped and the round bar 2 is pressed against the round bar 1 after the temperature of the joining surface reaches the welding temperature, the round bar 1 and the round bar 2 are bonded. FIG. 1C shows a state after the bonding. The recess provided in the round bar 1 functions to limit the lateral buckling deformation of the round bar 2. Further, as shown in the figure, since the angle of the press contact surface of the right cone is small, the discharge of the oxide film formed on the joint surface is not hindered.

【0016】図2はフライス盤の構成例を示す図であ
り、図2(a) は正面図、図2(b) は右側面図を示す。同
図において、6は主軸、7はミーリング・チャック、8
は治具、9はマシン・バイス、10はフライス盤テーブ
ルをそれぞれ示す。
FIG. 2 is a view showing an example of the configuration of a milling machine. FIG. 2 (a) is a front view, and FIG. 2 (b) is a right side view. In the figure, 6 is a spindle, 7 is a milling chuck, 8
Denotes a jig, 9 denotes a machine vise, and 10 denotes a milling machine table.

【0017】図2のフライス盤は縦型フライス盤と呼ば
れるものである。主軸6は回転することが出来る。主軸
6にはミーリング・チャック7が設けられている。ミー
リング・チャック7に丸棒1を差し込み、ミーリング・
チャック7を締めつけると、丸棒1は主軸6に固定され
る。丸棒2は治具8に挟まれる。マシン・バイス9を左
方向に移動させることにより、丸棒2はフライス盤テー
ブル10に固定される。図示しないが、Z軸手送りハン
ドルが設けられており、Z軸手送りハンドルを回転する
ことにより、荷全体を上下することが出来る。
The milling machine shown in FIG. 2 is called a vertical milling machine. The main shaft 6 can rotate. The main spindle 6 is provided with a milling chuck 7. Insert the round bar 1 into the milling chuck 7
When the chuck 7 is tightened, the round bar 1 is fixed to the main shaft 6. The round bar 2 is sandwiched between jigs 8. By moving the machine vise 9 to the left, the round bar 2 is fixed to the milling machine table 10. Although not shown, a Z-axis hand feed handle is provided, and the entire load can be moved up and down by rotating the Z-axis hand feed handle.

【0018】図3は治具の構成例を示す図であって、図
3(a) は上面図,図3(b) は右側面図、図3(c) は側面
図を示す。同図において、11と12は挟み付け部材、
13と14は半円形の溝部をそれぞれ示している。挟み
付け部材11には半円形の溝部13が設けられ、挟み付
け部材12にも半円形の溝部14が設けられている。半
円形の溝部13と14の間に丸棒2を配置し、マシンバ
イス9で挟み付け部材11,12を締めつけると、丸棒
2は部材11,12によって挟み付けられる。
FIG. 3 is a view showing an example of the configuration of the jig. FIG. 3 (a) is a top view, FIG. 3 (b) is a right side view, and FIG. 3 (c) is a side view. In the figure, 11 and 12 are sandwiching members,
13 and 14 indicate semicircular grooves, respectively. The clamping member 11 is provided with a semicircular groove 13, and the clamping member 12 is also provided with a semicircular groove 14. When the round bar 2 is arranged between the semicircular grooves 13 and 14 and the clamping members 11 and 12 are tightened by the machine vise 9, the round bar 2 is clamped by the members 11 and 12.

【0019】図4は本発明の第1実施例の回転摩擦圧接
データの例を示す図である。真中の列部分が本発明の第
1実施例によるものであり、右端の列部分が従来の技術
によるものである。図示の例では丸棒1はS45C(炭
素の含有量が0.45%である所の鋼)であり、丸棒2
は黄銅である。丸棒1と丸棒2の直径は30mmであ
る。
FIG. 4 is a diagram showing an example of rotational friction welding data according to the first embodiment of the present invention. The middle row portion is according to the first embodiment of the present invention, and the rightmost row portion is according to the prior art. In the illustrated example, the round bar 1 is S45C (steel having a carbon content of 0.45%) and the round bar 2 is S45C.
Is brass. The diameter of the round bar 1 and the round bar 2 is 30 mm.

【0020】本発明の第1実施例による方法では、丸棒
1の端面に圧接面形状角度が10°の直円錐形の凹みを
設け、丸棒2の端面に圧接面形状角度が12°の直円錐
形の尖りを設ける(図1(a) を参照)。丸棒2の丸棒1
への加圧は、Z軸手送りハンドル加圧方式で行われる。
丸棒2を丸棒1に押しつけながら、丸棒1を2000r
pmで12秒回転する。丸棒1を12秒回転した後、丸
棒1を停止し、停止した状態で8秒間加圧を行う。接合
が行われた丸棒1と丸棒2から試験片を切り出し、圧接
材の引張り強さを調べたところ211.2N/mm2
あった。なお、Nはニュートンを表す。
In the method according to the first embodiment of the present invention, the end face of the round bar 1 is provided with a right-angle conical recess having a press contact surface angle of 10 °, and the end surface of the round bar 2 is provided with a press contact surface shape angle of 12 °. Provide a right conical point (see Figure 1 (a)). Round bar 1 of round bar 2
Pressurization is performed by a Z-axis manual feed handle pressurizing method.
While pressing the round bar 2 against the round bar 1, the round bar 1 is 2,000 r
Spin at pm for 12 seconds. After rotating the round bar 1 for 12 seconds, the round bar 1 is stopped, and pressurization is performed for 8 seconds in the stopped state. A test piece was cut out from the round bar 1 and the round bar 2 to which the bonding was performed, and the tensile strength of the pressure-welded material was determined to be 211.2 N / mm 2 . N represents Newton.

【0021】従来の技術による方法では、丸棒1の端面
をフラットにし、丸棒2の端面もフラットにする。丸棒
2の丸棒1への加圧は、Z軸手送りハンドル加圧方式で
行われる。丸棒2を丸棒1に押しつけながら、丸棒1を
2000rpmで8秒回転する。丸棒1を8秒回転した
後、丸棒1を停止し、停止した状態で8秒間加圧を行
う。接合が行われた丸棒1と丸棒2から試験片を切り出
し、圧接材の引張り強さを調べたところ196.9N/
mm2 であった。
In the method according to the prior art, the end face of the round bar 1 is made flat and the end face of the round bar 2 is made flat. Pressing of the round bar 2 to the round bar 1 is performed by a Z-axis manual feed handle pressurizing method. While pressing the round bar 2 against the round bar 1, the round bar 1 is rotated at 2000 rpm for 8 seconds. After rotating the round bar 1 for 8 seconds, the round bar 1 is stopped, and pressurization is performed for 8 seconds in the stopped state. A test piece was cut out from the round bar 1 and the round bar 2 to which the bonding was performed, and the tensile strength of the pressure-welded material was examined to be 196.9 N /
mm 2 .

【0022】図4から判るように、本発明による異種金
属材料の回転摩擦圧接方法の方が従来の回転摩擦圧接方
法に比べて良好な接合が得られる。ステンレス鋼の丸棒
1とアルミニウムの丸棒2の回転摩擦圧接,S45Cの
炭素鋼の丸棒1と銅の丸棒2の回転摩擦圧接において
も、圧接面形状角度10°,12°を付けた方が端面を
フラット(圧接面形状角度を0°,0°)にしたものに
比べて、良好な接合が得られた。
As can be seen from FIG. 4, the method of rotary friction welding of dissimilar metal materials according to the present invention provides better bonding than the conventional method of rotary friction welding. In the rotational friction welding of the stainless steel round bar 1 and the aluminum round bar 2 and the rotating friction welding of the carbon steel round bar 1 and the copper round bar 2 of S45C, the press contact surface shape angles of 10 ° and 12 ° were given. As compared with the case where the end face was flat (the pressure contact surface shape angle was 0 °, 0 °), better joining was obtained.

【0023】図5は本発明の第2実施例を説明する図で
ある。同図において、3は銅の丸棒、4は黄銅の丸棒、
5は銀ろうの層をそれぞれ示している。銅の丸棒3と黄
銅の丸棒4を回転摩擦接合するのに先立って、図5
(c)に示すように、黄銅の丸棒4の端面に浅い凹みを
設け、この中に銀ろうを流し込み、銀ろうが冷却固化し
た後、銀ろうの表面を旋盤で切削してフラットにしてお
く。凹みの深さは、0.3mm程度である。銀ろうの表
面を切削することにより、酸化膜が除去される。丸棒3
の端面もフラットにしておく。
FIG. 5 is a view for explaining a second embodiment of the present invention. In the figure, 3 is a copper round bar, 4 is a brass round bar,
Numeral 5 indicates a silver brazing layer. Prior to rotational friction welding of the copper rod 3 and the brass rod 4, FIG.
As shown in (c), a shallow dent is provided in the end surface of the brass round bar 4, silver brazing is poured into the end, and after the silver brazing is cooled and solidified, the surface of the silver brazing is flattened by turning with a lathe. deep. The depth of the recess is about 0.3 mm. The oxide film is removed by cutting the surface of the silver solder. Round bar 3
Also keep the end face flat.

【0024】次に、図5(a) に示すように、丸棒3の端
面と丸棒4の端面を接触させ、丸棒4を丸棒3に押しつ
けながら丸棒3を回転させる。接合面の温度が溶接温度
になった後、丸棒3の回転を停止し、丸棒4を丸棒3に
押しつけると、図5(b) に示すように、丸棒3と丸棒4
は接合される。図2に示される縦型フライス盤を使用し
て、本発明の第2実施例を実現することが出来る。
Next, as shown in FIG. 5A, the end face of the round bar 3 is brought into contact with the end face of the round bar 4, and the round bar 3 is rotated while pressing the round bar 4 against the round bar 3. After the temperature of the joint surface reaches the welding temperature, the rotation of the round bar 3 is stopped, and the round bar 4 is pressed against the round bar 3, and as shown in FIG.
Are joined. The second embodiment of the present invention can be realized by using the vertical milling machine shown in FIG.

【0025】銅の丸棒3の端面をフラットにし、黄銅の
丸棒4の端面に銀ろうの層を設けることなくフラットに
し、両者を回転摩擦接合しようとすると、溶接温度付近
で黄銅の丸棒4の接合面がぼろぼろになったり,亀裂が
入ったりして、銅と黄銅を回転摩擦圧接することが出来
ないが、本発明の第2実施例によれば、銅と黄銅を回転
摩擦圧接することが出来る。
If the end face of the copper round bar 3 is flattened and the end face of the brass round bar 4 is flattened without providing a silver brazing layer, and the two members are to be rotationally friction-joined, the brass round bar near the welding temperature is required. Although the joining surface of No. 4 is ragged or cracked, it is impossible to perform frictional pressure welding of copper and brass, but according to the second embodiment of the present invention, frictional pressure welding of copper and brass is performed. I can do it.

【0026】[0026]

【発明の効果】以上の説明から明らかなように、本発明
によれば、接合すべき異種金属材料の突き合わせ面をフ
ラットにして回転摩擦圧接するものに比べて、強固な接
合が得られると共に横方向への座屈変形を小さくするこ
とが出来る。また、本発明によれば、銅と黄銅を回転摩
擦圧接方法で接合することが出来る。
As is apparent from the above description, according to the present invention, a stronger joint can be obtained and a horizontal joint can be obtained as compared with the case where the abutting surfaces of dissimilar metal materials to be joined are flattened and rotational friction welding is performed. Buckling deformation in the direction can be reduced. Further, according to the present invention, copper and brass can be joined by a rotational friction welding method.

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

【図1】本発明の第1実施例を説明する図である。FIG. 1 is a diagram illustrating a first embodiment of the present invention.

【図2】フライス盤の構成例を示す図である。FIG. 2 is a diagram showing a configuration example of a milling machine.

【図3】治具の構成例を示す図である。FIG. 3 is a diagram illustrating a configuration example of a jig.

【図4】本発明の第1実施例の回転摩擦圧接データの例
を示す図である。
FIG. 4 is a diagram showing an example of rotational friction welding data according to the first embodiment of the present invention.

【図5】本発明の第2実施例を説明する図である。FIG. 5 is a diagram illustrating a second embodiment of the present invention.

【符号の説明】[Explanation of symbols]

1 硬い金属材料の丸棒 2 軟らかい金属材料の丸棒 3 銅の丸棒 4 黄銅の丸棒 5 銀ろうの層 6 主軸 7 ミーリング・チャック 8 治具 9 マシン・バイス 10 フライス盤テーブル DESCRIPTION OF SYMBOLS 1 Round bar of hard metal material 2 Round bar of soft metal material 3 Round bar of copper 4 Round bar of brass 5 Layer of silver brazing 6 Main shaft 7 Milling chuck 8 Jig 9 Machine vise 10 Milling machine table

Claims (4)

【特許請求の範囲】[Claims] 【請求項1】 異種金属材料の回転摩擦圧接方法であっ
て、 硬い方の金属の母材の端に凹部を形成すると共に、軟ら
かい方の金属の母材の端に凸部を形成し、 凹部の底部と凸部の頭部が接触するように2個の母材を
突き合わせて加圧し、相対回転運動させることにを特徴
とする異種金属材料の回転摩擦圧接方法。
1. A method of rotating friction welding of dissimilar metal materials, comprising forming a concave portion at an end of a hard metal base material and forming a convex portion at an end of a soft metal base material. A method for rotary friction welding of dissimilar metal materials, characterized in that two base materials are pressed against each other so that the bottom of the base material and the head of the convex portion are in contact with each other, and are relatively rotated.
【請求項2】 凹部が直円錐形をしており、凸部も直円
錐形をしていることを特徴とする請求項1の異種金属材
料の回転摩擦圧接方法。
2. The method according to claim 1, wherein the concave portion has a right conical shape, and the convex portion has a right conical shape.
【請求項3】 凹部の直円錐は底面と母線とのなす角度
αが10°ないし12°の範囲のものであり、凸部の直
円錐は底面と母線とのなす角度βが角度α+2°ないし
3°の範囲のものであることを特徴とする請求項2の異
種金属材料の回転摩擦圧接方法。
3. The straight cone of the concave portion has an angle α between the bottom surface and the generatrix in the range of 10 ° to 12 °, and the straight cone of the convex portion has an angle β between the bottom surface and the generatrix of α + 2 ° or less. 3. The method according to claim 2, wherein the angle is in the range of 3 [deg.].
【請求項4】 銅と黄銅との回転摩擦圧接方法であっ
て、 黄銅の突き合わせ面に銀ろうの層を設け、 銀ろうの層が設けられた黄銅と銅とを突き合わせて加圧
し、相対回転運動させることを特徴とする異種金属材料
の回転摩擦圧接方法。
4. A method for rotational friction welding between copper and brass, comprising the steps of: providing a brazing silver layer on a brazing abutting surface; abutting the brass provided with the silver brazing layer and copper; A method for rotary friction welding of dissimilar metallic materials, characterized by moving.
JP10456399A 1999-04-12 1999-04-12 Rotation friction agitation joining method of dissimiliar metal material Pending JP2000301364A (en)

Priority Applications (1)

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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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Publications (1)

Publication Number Publication Date
JP2000301364A true JP2000301364A (en) 2000-10-31

Family

ID=14383937

Family Applications (1)

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Country Link
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