JPH04300070A - Brazing method for metallic material - Google Patents

Brazing method for metallic material

Info

Publication number
JPH04300070A
JPH04300070A JP6472891A JP6472891A JPH04300070A JP H04300070 A JPH04300070 A JP H04300070A JP 6472891 A JP6472891 A JP 6472891A JP 6472891 A JP6472891 A JP 6472891A JP H04300070 A JPH04300070 A JP H04300070A
Authority
JP
Japan
Prior art keywords
plenum chamber
brazing
metal material
hole
metal
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
JP6472891A
Other languages
Japanese (ja)
Other versions
JP3087130B2 (en
Inventor
Shoichi Sato
昭一 佐藤
Seiji Tazaki
田崎 清司
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.)
Altemira Co Ltd
Original Assignee
Showa Aluminum Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Showa Aluminum Corp filed Critical Showa Aluminum Corp
Priority to JP6472891A priority Critical patent/JP3087130B2/en
Publication of JPH04300070A publication Critical patent/JPH04300070A/en
Application granted granted Critical
Publication of JP3087130B2 publication Critical patent/JP3087130B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

PURPOSE:To enlarge the joint strength, comparing with a conventional method, and also, to prevent the generation of a corrosion in a brazed metallic material. CONSTITUTION:In an opening side end part in a hole (9) of a slot body fitting body (6), a large diameter part (14) is formed through a stepped part (13). In an opening side end face of a plenum chamber (2), plural recessed parts (15) are formed at an interval in the peripheral direction. The opening end part of the plenum chamber (2) is inserted into the large diameter part (14) of the slot body fitting body (6) and brazed by a brazing method.

Description

【発明の詳細な説明】[Detailed description of the invention]

【0001】0001

【産業上の利用分野】この発明は金属材のろう付方法に
関し、さらに詳しくいえば、自動車用吸気マニホルドや
、熱交換器等を製造するさいに、第1金属材の筒状部分
の端部を第2金属材に形成された孔に差し込んだ状態で
置きろう方式により両金属材をろう付する方法に関する
[Field of Industrial Application] This invention relates to a method of brazing metal materials, and more specifically, when manufacturing automobile intake manifolds, heat exchangers, etc. The present invention relates to a method of brazing both metal materials using a brazing method in which a second metal material is inserted into a hole formed in a second metal material.

【0002】この明細書において、「アルミニウム」と
いう語には、純アルミニウムの他にアルミニウム合金を
含むものとする。また、この明細書において、「孔」と
いう語には、貫通孔の他に有底孔を含むものとする。
[0002] In this specification, the term "aluminum" includes aluminum alloys as well as pure aluminum. Further, in this specification, the term "hole" includes a hole with a bottom in addition to a through hole.

【0003】0003

【従来の技術】従来、たとえば金属管と、金属管の端部
を差し込む孔を有する筒状金属部品とを置きろう方式に
よりろう付するには、図6に示すように、筒状金属部品
(30)の孔(31)の内周面における開口側端部に段
部(32)を介して大径部(33)を形成しておき、金
属管(34)の端部を筒状金属部品(30)の孔(31
)の大径部(33)内に差し込んでその端面を段部(3
2)に当接させ、金属管(34)の孔(31)の外側に
存在する部分に断面円形のリング状ろう材(35)を嵌
め被せて行っていた。
2. Description of the Related Art Conventionally, in order to braze, for example, a metal tube and a cylindrical metal part having a hole into which the end of the metal tube is inserted, the cylindrical metal part ( A large diameter portion (33) is formed at the opening side end of the inner circumferential surface of the hole (31) of the hole (30) via a stepped portion (32), and the end of the metal tube (34) is connected to a cylindrical metal part. (30) hole (31
) into the large diameter part (33) and the end face of the stepped part (3
2), and a ring-shaped brazing filler metal (35) with a circular cross section was fitted over the outside portion of the hole (31) of the metal tube (34).

【0004】0004

【発明が解決しようとする課題】しかしながら、従来の
方法でろう付を行った場合、図7に示すように、金属管
(34)の端面と、筒状金属部品(30)の段部(32
)との間においては、フィレット(36)は周方向に間
隔をおいて部分的に形成されるだけであり、接合強度が
不足するという問題があった。しかも、フィレット(3
6)が形成されなかった部分から水分が侵入し、フラッ
クスの残渣と反応して金属管および金属部品に腐食を発
生させるという問題があった。
[Problems to be Solved by the Invention] However, when brazing is performed using the conventional method, as shown in FIG.
), the fillets (36) are formed only partially at intervals in the circumferential direction, and there is a problem that the joint strength is insufficient. Moreover, fillets (3
There was a problem in that moisture entered from the portion where 6) was not formed, reacted with the flux residue, and caused corrosion in the metal pipe and metal parts.

【0005】この発明の目的は、上記問題を解決した金
属材のろう付方法を提供することにある。
An object of the present invention is to provide a method for brazing metal materials that solves the above problems.

【0006】[0006]

【課題を解決するための手段】この発明による金属材の
ろう付方法は、筒状部分を有する第1金属材と、第1金
属材の筒状部分の端部を差し込む孔を有する第2金属材
とを用意し、第2金属材の孔の内周面における開口側端
部に段部を介して大径部を形成しておき、第1金属材の
筒状部分を第2金属材に形成された孔に差し込んで筒状
部分の端面を段部に当接させた状態で置きろう方式によ
り両金属材をろう付するにあたり、第1金属材の筒状部
分の端面、および段部のうちいずれか一方に、周方向に
間隔をおいて複数の凹所を形成しておくことを特徴とす
るものである。
[Means for Solving the Problems] A method for brazing metal materials according to the present invention includes a first metal material having a cylindrical portion, and a second metal material having a hole into which the end of the cylindrical portion of the first metal material is inserted. A large diameter portion is formed at the opening side end of the inner circumferential surface of the hole of the second metal material via a step, and the cylindrical portion of the first metal material is attached to the second metal material. When brazing both metal materials by inserting the first metal material into the formed hole and placing the end face of the cylindrical part in contact with the stepped part, the end face of the cylindrical part of the first metal material and the end face of the stepped part are It is characterized in that a plurality of recesses are formed in one of them at intervals in the circumferential direction.

【0007】上記において、凹所の大きさ、および使用
するろう材の量は、ろう付後凹所が完全にろう材で埋め
られるような量とするのがよい。
[0007] In the above, the size of the recess and the amount of brazing material used are preferably such that the recess is completely filled with the brazing material after brazing.

【0008】上記において、第1金属材および第2金属
材としては、たとえばJISA1000系、3000系
、6000系、7000系のアルミニウムからなるもの
が用いられる。この場合、ろう材としては、たとえばA
l−6.8〜11.7wt%Si合金からなるものが用
いられ、フラックスとしては、たとえば塩化物系、弗化
物系等のものが用いられる。また、窒素ガス雰囲気中ま
たは大気雰囲気中で580〜620℃程度に加熱するの
がよい。
[0008] In the above, the first metal material and the second metal material are made of, for example, JISA 1000 series, 3000 series, 6000 series, or 7000 series aluminum. In this case, as the brazing material, for example, A
1-6.8 to 11.7 wt% Si alloy is used, and the flux used is, for example, chloride-based or fluoride-based flux. Further, it is preferable to heat to about 580 to 620°C in a nitrogen gas atmosphere or an air atmosphere.

【0009】[0009]

【作用】この発明の金属材のろう付方法によれば、ろう
付時の加熱により溶融したろう材は、まず第1金属材の
筒状部分の外周面と、第2金属材の孔の内周面との間を
通って凹所内に流入し、ついで第1金属材の筒状部分の
端面と段部との間における凹所の両側の部分に流入する
。したがって、第1金属材の筒状部分の端面と段部との
間には、凹所の部分も含んで全周にわたってフィレット
が形成される。
[Operation] According to the method for brazing metal materials of the present invention, the brazing material melted by heating during brazing is first applied to the outer peripheral surface of the cylindrical portion of the first metal material and the inside of the hole of the second metal material. The liquid flows into the recess through the circumferential surface, and then flows into the portions on both sides of the recess between the end surface of the cylindrical portion of the first metal material and the step. Therefore, a fillet is formed between the end surface of the cylindrical portion of the first metal material and the step portion over the entire circumference including the recessed portion.

【0010】0010

【実施例】以下、この発明の実施例を、図面を参照して
説明する。
Embodiments Hereinafter, embodiments of the present invention will be described with reference to the drawings.

【0011】この実施例は、この発明の方法を自動車用
吸気マニホルドの製造に適用したものである。
In this embodiment, the method of the present invention is applied to the manufacture of an automobile intake manifold.

【0012】図5は、自動車用吸気マニホルドを示す。 吸気マニホルド(1)は、一端が開口するとともに他端
が閉鎖され、かつ周壁に複数の孔(3) が形成される
とともに各孔(3) の周囲に分岐管接続用筒状突出部
(4) が一体的に設けられたアルミニウム展伸材から
なるプレナムチャンバ(2) と、各一端が分岐管接続
用筒状外方突出部(4) に嵌め合せ状態でろう付され
たアルミニウム展伸材からなる複数の分岐管(5) と
を備えている。プレナムチャンバ(2) および分岐管
(5) としては、たとえばJISA6063、JIS
A6061のようなJISA6000系アルミニウム材
からなるものを使用するのが好ましい。
FIG. 5 shows an intake manifold for an automobile. The intake manifold (1) has one end open and the other end closed, and has a plurality of holes (3) formed in the peripheral wall and a cylindrical protrusion (4) for connecting a branch pipe around each hole (3). ) is integrally provided with a plenum chamber (2) made of a wrought aluminum material, and a wrought aluminum material whose one end is fitted and brazed to a cylindrical outward protrusion (4) for connecting a branch pipe. It is equipped with a plurality of branch pipes (5) consisting of. For example, the plenum chamber (2) and the branch pipe (5) are JISA6063, JIS
It is preferable to use a JISA6000 series aluminum material such as A6061.

【0013】プレナムチャンバ(2) の開口端には、
アルミニウム鋳造品からなるスロットルボディ取付体(
6) がろう付されている。スロットルボディ取付体(
6) には図示されないスロットルボディが取付けられ
、これにエアクリーナからの送気管が接続される。
At the open end of the plenum chamber (2),
Throttle body mounting body made of aluminum casting (
6) are brazed. Throttle body mounting body (
6) A throttle body (not shown) is attached to the throttle body, and an air supply pipe from the air cleaner is connected to this.

【0014】各分岐管(5) の他端は、1つのアルミ
ニウム鋳物製のシリンダヘッドへの接続部材(7) に
まとめてろう付されている。接続部材(7) を介して
各分岐管(5) が図示しないエンジンのシリンダヘッ
ドに接続される。
The other end of each branch pipe (5) is collectively brazed to a connecting member (7) made of aluminum casting to the cylinder head. Each branch pipe (5) is connected to a cylinder head of an engine (not shown) via a connecting member (7).

【0015】スロットルボディ取付体(6) は円筒状
で、その一端に外向きフランジ(8) が一体的に設け
られている。プレナムチャンバ(2)の開口した一端部
は、スロットルボディ取付体(6) の孔(9) 内に
差込まれてスロットルボディ取付体(6) にろう付さ
れている。
The throttle body mounting body (6) has a cylindrical shape, and an outward flange (8) is integrally provided at one end thereof. One open end of the plenum chamber (2) is inserted into a hole (9) of a throttle body attachment (6) and brazed to the throttle body attachment (6).

【0016】接続部材(7) は、横長方形状であって
4つの孔(図示略)と、孔の周囲に一体的に設けられた
分岐管接続用筒状突出部(10)とを備えている。突出
部(10)の上方には燃料噴射装置の差込み部(11)
が一体的に設けられている。そして、分岐管(5) は
、突出部(10)内に挿入されて、ろう付されている。
The connecting member (7) has a horizontal rectangular shape and includes four holes (not shown) and a cylindrical protrusion (10) for connecting a branch pipe that is integrally provided around the hole. There is. Above the protrusion (10) is an insertion part (11) for the fuel injection device.
are integrally provided. The branch pipe (5) is then inserted into the protrusion (10) and brazed.

【0017】そして、たとえばプレナムチャンバ(2)
 の開口端部とスロットルボディ取付体(6) とのろ
う付に本発明の方法が適用される。
[0017] For example, the plenum chamber (2)
The method of the present invention is applied to brazing the open end of the throttle body mounting body (6).

【0018】以下、図1および図2を参照して、プレナ
ムチャンバ(2) の開口端部とスロットルボディ取付
体(6) とのろう付方法について説明する。
A method of brazing the open end of the plenum chamber (2) and the throttle body mounting body (6) will be described below with reference to FIGS. 1 and 2.

【0019】まず、スロットルボディ取付体(6) の
孔(9) の内周面におけるフランジ(8) とは反対
側の端部に段部(13)を介して大径部(14)を形成
しておく。また、プレナムチャンバ(2) の開口側端
面に、周方向に等間隔をおいて複数の凹所(15)を形
成しておく。凹所(15)の周方向の長さは0.5mm
以上、深さは0.5〜5.0mmとしておくのがよい。 また、凹所(15)の数は4つ以上とするのがよい。
First, a large diameter portion (14) is formed on the inner peripheral surface of the hole (9) of the throttle body mounting body (6) at the end opposite to the flange (8) via a stepped portion (13). I'll keep it. Further, a plurality of recesses (15) are formed at equal intervals in the circumferential direction on the opening side end surface of the plenum chamber (2). The circumferential length of the recess (15) is 0.5 mm
As mentioned above, the depth is preferably set to 0.5 to 5.0 mm. Further, the number of recesses (15) is preferably four or more.

【0020】ついで、プレナムチャンバ(2) の開口
側端部をスロットルボディ取付体(6) の孔(9) 
の大径部(14)内に差し込むとともに、プレナムチャ
ンバ(2) の外周面にリング状ろう材(16)を嵌め
被せてスロットルボディ取付体(6) のフランジ(8
) とは反対側の端面に接触させておく。そして、炉中
において、塩化物系や、弗化物系のフラックスを使用し
、窒素ガス雰囲気または大気雰囲気中で580〜620
℃程度に加熱することによって、プレナムチャンバ(2
) とスロットルボディ取付体(6) とをろう付する
Next, insert the open end of the plenum chamber (2) into the hole (9) of the throttle body mounting body (6).
The flange (8) of the throttle body mounting body (6) is inserted into the large diameter part (14) of the throttle body mounting body (6) by fitting the ring-shaped brazing material (16) on the outer peripheral surface of the plenum chamber (2).
) in contact with the end face on the opposite side. Then, in the furnace, a chloride-based or fluoride-based flux is used, and 580 to 620
The plenum chamber (2
) and the throttle body mounting body (6).

【0021】ろう付時の加熱により溶融したろう材は、
まずプレナムチャンバ(2) の外周面と、スロットル
ボディ取付体(6) の孔(9) の大径部(14)の
内周面との間を通って凹所(15)内に流入し、ついで
プレナムチャンバ(2) の端面と段部(13)との間
の部分における凹所(15)の両側に流入する。こうし
て、プレナムチャンバ(2)の端面と段部(13)との
間には、凹所(15)の部分も含んで全周にわたってフ
ィレット(17)が形成される。当然のことながら、プ
レナムチャンバ(2) の外周面と、大径部(14)の
内周面との間にもフィレット(17)が形成される。
[0021] The brazing material melted by heating during brazing is
First, it flows into the recess (15) through between the outer peripheral surface of the plenum chamber (2) and the inner peripheral surface of the large diameter portion (14) of the hole (9) of the throttle body mounting body (6). It then flows into both sides of the recess (15) in the area between the end face of the plenum chamber (2) and the step (13). In this way, a fillet (17) is formed between the end face of the plenum chamber (2) and the step (13) over the entire circumference including the recess (15). Naturally, a fillet (17) is also formed between the outer circumferential surface of the plenum chamber (2) and the inner circumferential surface of the large diameter portion (14).

【0022】なお、上記吸気マニホルド(1) におい
ては、通常、プレナムチャンバ(2) とスロットルボ
ディ取付体(6) とのろう付は、プレナムチャンバ(
2) の筒状突出部(4) と分岐管(5) 、および
分岐管(5) と接続部材(7) の筒状突出部(10
)のろう付と同時に行われる。この場合、分岐管(5)
 および接続部材(7) も組合わせておき、主管(2
) と分岐管(5) の筒状突出部(4) 、および分
岐管(5) と接続部材(7) の筒状突出部(10)
との間にもろう材を配置しておく。そして、筒状突出部
(4)(10) が垂直上方を向くような姿勢で、主管
(2) 、分岐管(5) 、スロットルボディ取付体(
6) 、および接続部材(7) の組合わせ体を炉の中
に入れ、プレナムチャンバ(2)の筒状突出部(4) 
と分岐管(5) 、プレナムチャンバ(2) とスロッ
トルボディ取付体(6) 、および分岐管(5) と接
続部材(7) の筒状突出部(10)とを一括してろう
付する。こうして、吸気マニホルド(1) が製造され
る。
[0022] In the above-mentioned intake manifold (1), the plenum chamber (2) and the throttle body attachment body (6) are usually brazed together.
2) The cylindrical protrusion (4) and the branch pipe (5), and the cylindrical protrusion (10) of the branch pipe (5) and the connecting member (7).
) is done at the same time as brazing. In this case, branch pipe (5)
and the connecting member (7) are also combined, and the main pipe (2
) and the cylindrical protrusion (4) of the branch pipe (5), and the cylindrical protrusion (10) of the branch pipe (5) and the connecting member (7).
Place a filler metal between the two. Then, connect the main pipe (2), branch pipe (5), and throttle body mounting body (
6) and the connecting member (7) are placed in the furnace, and the cylindrical protrusion (4) of the plenum chamber (2) is inserted into the furnace.
and the branch pipe (5), the plenum chamber (2) and the throttle body attachment body (6), and the branch pipe (5) and the cylindrical protrusion (10) of the connecting member (7) are brazed together. In this way, the intake manifold (1) is manufactured.

【0023】[0023]

【具体的実験例】外径60mm、周壁の肉厚2.5mm
のプレナムチャンバ(2) の開口側の端面に、深さ1
.0mm、周方向の長さ1.0mmの凹所(15)を、
周方向に等間隔をおいて6個、8個または16個形成し
ておいた。そして、Al−9wt%Si合金からなるリ
ング状ろう材(16)を使用し、塩化物系フラックスを
使用して炉中において窒素ガス雰囲気で600℃で5分
間加熱し、プレナムチャンバ(2) とスロットルボデ
ィ取付体(6) とをろう付した。その後、プレナムチ
ャンバ(2) の端面と段部(13)との間の部分を観
察した。その結果、いずれの場合も、全周にわたってフ
ィレット(17)が形成されていた。また、凹所(15
)もフィレットで埋められていた。
[Specific experiment example] Outer diameter 60mm, peripheral wall thickness 2.5mm
At the opening end of the plenum chamber (2), a depth of 1
.. 0 mm and a recess (15) with a circumferential length of 1.0 mm,
Six, eight, or sixteen pieces were formed at equal intervals in the circumferential direction. Then, using a ring-shaped brazing filler metal (16) made of Al-9wt%Si alloy, the plenum chamber (2) and The throttle body mounting body (6) was brazed. Thereafter, the area between the end face of the plenum chamber (2) and the stepped portion (13) was observed. As a result, in both cases, fillets (17) were formed over the entire circumference. In addition, the recess (15
) was also filled with fillets.

【0024】比較のために、凹所を形成しなかった以外
は上記と同様にしてプレナムチャンバ(2) とスロッ
トルボディ取付体(6) とをろう付し、プレナムチャ
ンバ(2) の端面と段部(13)との間の部分を観察
した。その結果、フィレットは周方向に間隔をおいて複
数箇所で形成されており、各部分の周方向の長さを合計
しても全周長の5/6未満であった。
For comparison, the plenum chamber (2) and the throttle body mounting body (6) were brazed in the same manner as above except that no recess was formed, and the end face of the plenum chamber (2) and the step were brazed. The part between part (13) was observed. As a result, fillets were formed at multiple locations at intervals in the circumferential direction, and the total circumferential length of each portion was less than 5/6 of the total circumferential length.

【0025】図3および図4はこの発明の第2の実施例
を示す。図3および図4において、図1および図2に示
すものと同一部分には同一符号を付して説明を省略する
FIGS. 3 and 4 show a second embodiment of the invention. In FIGS. 3 and 4, the same parts as those shown in FIGS. 1 and 2 are denoted by the same reference numerals, and the description thereof will be omitted.

【0026】プレナムチャンバ(2) の開口側端面に
、周方向の長さが、該端面の全周長の1/4よりも若干
短い長さである凹所(20)を、周方向に等間隔をおい
て4つ形成しておく。周方向に隣接する凹所(20)ど
うしの間隔は0.5mm以上、深さは0.5〜5.0m
mとしておくのがよい。また、凹所(20)の数は3つ
以上とするのがよい。ついで、上記第1の実施例と同様
にして、プレナムチャンバ(2) とスロットルボディ
取付体(6) とをろう付する。
A recess (20) whose length in the circumferential direction is slightly shorter than 1/4 of the total circumferential length of the end face is formed equally in the circumferential direction on the opening side end face of the plenum chamber (2). Form into 4 at intervals. The interval between adjacent recesses (20) in the circumferential direction is 0.5 mm or more, and the depth is 0.5 to 5.0 m.
It is better to set it to m. Further, the number of recesses (20) is preferably three or more. Next, the plenum chamber (2) and the throttle body mounting body (6) are brazed together in the same manner as in the first embodiment.

【0027】ろう付時の加熱により溶融したろう材は、
まずプレナムチャンバ(2) の外周面と、スロットル
ボディ取付体(6) の孔(9) の大径部(14)の
内周面との間を通って凹所(20)内に流入し、ついで
プレナムチャンバ(2) の端面と段部(13)との間
の部分における凹所(20)の両側に流入する。こうし
て、プレナムチャンバ(2)の端面と段部(13)との
間には、凹所(20)の部分も含んで全周にわたってフ
ィレット(17)が形成される。
[0027] The brazing material melted by heating during brazing is
First, it flows into the recess (20) through between the outer peripheral surface of the plenum chamber (2) and the inner peripheral surface of the large diameter part (14) of the hole (9) of the throttle body mounting body (6). It then flows into both sides of the recess (20) in the area between the end face of the plenum chamber (2) and the step (13). In this way, a fillet (17) is formed between the end face of the plenum chamber (2) and the step (13) over the entire circumference including the recess (20).

【0028】[0028]

【具体的実験例】外径60mm、周壁の肉厚2.5mm
のプレナムチャンバ(2) の開口側の端面に、深さ1
.0mmの4つの凹所(20)を、周方向に1.0mm
ずつの間隔をおいて形成しておいた。そして、Al−9
wt%Si合金からなるリング状ろう材(16)を使用
し、塩化物系フラックスを使用して炉中において窒素ガ
ス雰囲気で600℃で5分間加熱し、プレナムチャンバ
(2) とスロットルボディ取付体(6) とをろう付
した。その後、プレナムチャンバ(2) の端面と段部
(13)との間の部分を観察した。その結果、全周にわ
たってフィレットが形成されていた。また、凹所(20
)もフィレットで埋められていた。
[Specific experiment example] Outer diameter 60mm, peripheral wall thickness 2.5mm
At the opening end of the plenum chamber (2), a depth of 1
.. Four recesses (20) of 0 mm, 1.0 mm in the circumferential direction
They were formed at equal intervals. And Al-9
A ring-shaped brazing filler metal (16) made of wt% Si alloy is heated at 600°C for 5 minutes in a nitrogen gas atmosphere in a furnace using chloride flux, and the plenum chamber (2) and throttle body mounting body are assembled. (6) and were brazed. Thereafter, the area between the end face of the plenum chamber (2) and the stepped portion (13) was observed. As a result, a fillet was formed over the entire circumference. In addition, the recess (20
) was also filled with fillets.

【0029】上記2つの実施例においては、プレナムチ
ャンバ(2) の開口側端面に凹所(15)(20)が
形成されているが、これに代えて、スロットルボディ取
付体(6) の段部(13)に、周方向に間隔をおいて
複数の凹所を形成してもよい。
In the above two embodiments, the recesses (15) and (20) are formed in the opening side end surface of the plenum chamber (2), but instead of this, the recesses (15) and (20) are formed in the step of the throttle body mounting body (6). A plurality of recesses may be formed in the portion (13) at intervals in the circumferential direction.

【0030】[0030]

【発明の効果】この発明の金属材のろう付方法によれば
、上述のようにして、第1金属材の筒状部分の端面と段
部との間には、凹所の部分も含んで全周にわたってフィ
レットが形成される。したがって、従来の方法に比べて
接合強度が大きくなる。しかも、金属材に腐食が発生す
るのを防止できる。
[Effects of the Invention] According to the method for brazing metal materials of the present invention, as described above, a recessed portion is also included between the end face of the cylindrical portion of the first metal material and the stepped portion. A fillet is formed all around the circumference. Therefore, the bonding strength is increased compared to the conventional method. Furthermore, corrosion of metal materials can be prevented.

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

【図1】この発明の実施例を示し、吸気マニホルドのプ
レナムチャンバとスロットルボディ取付体とのろう付前
の状態の拡大断面図である。
FIG. 1 is an enlarged cross-sectional view showing an embodiment of the present invention, showing a state before brazing between a plenum chamber of an intake manifold and a throttle body mounting body.

【図2】同じくろう付後の一部切欠き斜視図である。FIG. 2 is a partially cutaway perspective view after brazing.

【図3】この発明の他の実施例を示し、吸気マニホルド
のプレナムチャンバとスロットルボディ取付体とのろう
付前の状態の拡大断面図である。
FIG. 3 is an enlarged cross-sectional view of another embodiment of the present invention, showing a state before the plenum chamber of the intake manifold and the throttle body mounting body are brazed.

【図4】同じくろう付後の一部切欠き斜視図である。FIG. 4 is a partially cutaway perspective view after brazing.

【図5】吸気マニホルドを示す斜視図である。FIG. 5 is a perspective view of the intake manifold.

【図6】従来方法を示し、金属管と筒状金属部品とのろ
う付前の状態の拡大断面図である。
FIG. 6 shows a conventional method and is an enlarged sectional view of a state before brazing a metal tube and a cylindrical metal component.

【図7】同じくろう付後の状態の拡大断面図である。FIG. 7 is an enlarged sectional view of the same state after brazing.

【符号の説明】[Explanation of symbols]

2            プレナムチャンバ(第1金
属材)6            スロットルボディ取
付体(第2金属材)9            孔 13          段部 14          大径部 15          凹所 20          凹所
2 Plenum chamber (first metal material) 6 Throttle body mounting body (second metal material) 9 Hole 13 Step portion 14 Large diameter portion 15 Recess 20 Recess

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】  筒状部分を有する第1金属材と、第1
金属材の筒状部分の端部を差し込む孔を有する第2金属
材とを用意し、第2金属材の孔の内周面における開口側
端部に段部を介して大径部を形成しておき、第1金属材
の筒状部分を第2金属材に形成された孔に差し込んで筒
状部分の端面を段部に当接させた状態で置きろう方式に
より両金属材をろう付するにあたり、第1金属材の筒状
部分の端面、および段部のうちいずれか一方に、周方向
に間隔をおいて複数の凹所を形成しておくことを特徴と
する金属材のろう付方法。
Claim 1: A first metal material having a cylindrical portion;
A second metal material having a hole into which the end of the cylindrical portion of the metal material is inserted is prepared, and a large diameter portion is formed at the opening side end of the hole in the second metal material via a step. Then, the cylindrical part of the first metal material is inserted into the hole formed in the second metal material, and the end surface of the cylindrical part is placed in contact with the stepped part, and both metal materials are brazed using a brazing method. A method for brazing metal materials, characterized in that a plurality of recesses are formed at intervals in the circumferential direction on either the end face of the cylindrical portion of the first metal material or the stepped portion. .
JP6472891A 1991-03-28 1991-03-28 Brazing method for metal materials Expired - Fee Related JP3087130B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6472891A JP3087130B2 (en) 1991-03-28 1991-03-28 Brazing method for metal materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6472891A JP3087130B2 (en) 1991-03-28 1991-03-28 Brazing method for metal materials

Publications (2)

Publication Number Publication Date
JPH04300070A true JPH04300070A (en) 1992-10-23
JP3087130B2 JP3087130B2 (en) 2000-09-11

Family

ID=13266506

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6472891A Expired - Fee Related JP3087130B2 (en) 1991-03-28 1991-03-28 Brazing method for metal materials

Country Status (1)

Country Link
JP (1) JP3087130B2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006167241A (en) * 2004-12-17 2006-06-29 Pentax Corp Fixing part by brazing for pipe component of endoscope
JP2015195592A (en) * 2015-06-19 2015-11-05 株式会社東芝 Manufacturing method of vacuum container
US10471530B2 (en) 2008-02-22 2019-11-12 Gkn Sinter Metals, Llc Brazed component and method of forming a brazed joint therein
WO2021147533A1 (en) * 2020-01-22 2021-07-29 纪尚忠 Heat exchanger stainless steel vacuum casting brazing filler metal welding plane connector and machining and welding method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006167241A (en) * 2004-12-17 2006-06-29 Pentax Corp Fixing part by brazing for pipe component of endoscope
JP4531550B2 (en) * 2004-12-17 2010-08-25 Hoya株式会社 Endoscope pipe part brazing fixing part
US10471530B2 (en) 2008-02-22 2019-11-12 Gkn Sinter Metals, Llc Brazed component and method of forming a brazed joint therein
JP2015195592A (en) * 2015-06-19 2015-11-05 株式会社東芝 Manufacturing method of vacuum container
WO2021147533A1 (en) * 2020-01-22 2021-07-29 纪尚忠 Heat exchanger stainless steel vacuum casting brazing filler metal welding plane connector and machining and welding method

Also Published As

Publication number Publication date
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