JPS632556A - Manufacture of aluminum made heat exchanger - Google Patents

Manufacture of aluminum made heat exchanger

Info

Publication number
JPS632556A
JPS632556A JP14765786A JP14765786A JPS632556A JP S632556 A JPS632556 A JP S632556A JP 14765786 A JP14765786 A JP 14765786A JP 14765786 A JP14765786 A JP 14765786A JP S632556 A JPS632556 A JP S632556A
Authority
JP
Japan
Prior art keywords
brazing
jig
aluminum
stainless steel
heat exchanger
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
JP14765786A
Other languages
Japanese (ja)
Inventor
Tadashi Usui
正 碓井
Naoshi Wakita
脇田 直志
Toyoichiro Nogami
野上 豊一郎
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 JP14765786A priority Critical patent/JPS632556A/en
Publication of JPS632556A publication Critical patent/JPS632556A/en
Pending legal-status Critical Current

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  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

PURPOSE:To prevent the brazing of component member and jig and to improve the productivity and quality by interposing a carbon made brazing prevention member at the contact part of a stainless steel made jig and the component member in brazing an aluminum made component member. CONSTITUTION:An assembly body 10 is set to a stainless steel made jig 20. A carbon made brazing prevention material 26 is fitted into the groove of a supporting member 25 extending over the whole length and in the state of the upper end projecting from the groove. Carbon made filler metals 44, 45 are arranged at the outer side of a side plate 32 according to the shape of the assembly body 10. The brazing is performed by putting into an inert gas atmosphere brazing furnace what the assembly body is thus set. In this way the working is made efficient.

Description

【発明の詳細な説明】 産業上の利用分野 この発明は、蒸発器、凝縮器、ラジェータ、カー・ヒー
タ等として使用されるアルミニウム製熱交換器の製造方
法に関する。
DETAILED DESCRIPTION OF THE INVENTION Field of the Invention This invention relates to a method for manufacturing aluminum heat exchangers used as evaporators, condensers, radiators, car heaters, etc.

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も含むものとする
In this specification, the term "aluminum" includes not only pure aluminum but also aluminum alloys.

従来技術とその問題点 上記のようなアルミニウム製熱交換器のうち、たとえば
カー・ヒータとして使用される熱交換器は、主たるアル
ミニウム製構成部材である熱交換管、フィン、ヘッダ・
タンク、インレット・パイプおよびアウトレット・パイ
プ等のうち所定のもの、たとえば熱交換管とヘッダ・タ
ンクとをアルミニウム・ブレージング・シートでつくっ
ておき、上記構成部材を熱交換器の形態に組立て、この
組立て体をステンレスiil’l治具にセットした後、
真空ろう骨法、不活性ガス雰囲気ろう骨法、炉内ろう骨
法等により各構成部材の接触部どうしをろう付すること
によって製造されていた。しかしながら、上記の従来方
法の場合、アルミニウム・ブレージング・シート製構成
部材のろう材面がステンレス[1治具に接触する場合が
あり、その結果法構成部材と治具とがろう付されてしま
うという問題があった。
Prior art and its problems Among the aluminum heat exchangers mentioned above, heat exchangers used as car heaters, for example, have main aluminum components such as heat exchange tubes, fins, headers, etc.
Predetermined parts of tanks, inlet pipes, outlet pipes, etc., such as heat exchange pipes and header tanks, are made of aluminum brazing sheets, and the above components are assembled into a heat exchanger, and this assembly is performed. After setting the body in the stainless steel jig,
They have been manufactured by brazing the contacting parts of each component using a vacuum brazing method, an inert gas atmosphere brazing method, an in-furnace waxing method, or the like. However, in the case of the above conventional method, the brazing metal surface of the aluminum brazing sheet component may come into contact with the stainless steel jig, resulting in the brazing component and the jig being brazed together. There was a problem.

そこでステンレスml治具の表面を予め酸化させておい
たり、汚染させておいたりして構成部材と治具とのろう
付を防止することが考えられている。しかしながら、こ
の方法で両者のろう付を防止するには、熱交換器の製造
作業の度毎に治具に上記のような処理を施す必要があり
、その作業が面倒になるという問題があった。
Therefore, it has been considered to oxidize or contaminate the surface of the stainless steel ML jig in advance to prevent brazing between the component and the jig. However, in order to prevent brazing between the two using this method, it is necessary to perform the above-mentioned treatment on the jig every time the heat exchanger is manufactured, which poses the problem of making the work cumbersome. .

この発明の目的は、上記問題を解決したアルミニウム製
熱交換器の′l!A造方法を提供することにある。
The purpose of this invention is to provide an aluminum heat exchanger that solves the above problems. The objective is to provide an A-building method.

問題点を解決するための手段 この発明によるアルミニウム製熱交換器の製造方法は、
熱交換器用の複数のアルミニウム製構成部材を熱交換器
の形態に組立てた後、この組立て体をステンレス9I製
治具にセットし、各構成部材の接触部どうしをろう付す
ることにより熱交換器を製造するにあたり、アルミニウ
ム製構成部材とステンレス鋼製治具との接触部にカーボ
ン製ろう付随止部材を介在させておくことを特徴とする
ものである。
Means for Solving the Problems The method of manufacturing an aluminum heat exchanger according to the present invention is as follows:
After assembling a plurality of aluminum components for a heat exchanger into a heat exchanger, this assembly is set in a stainless steel 9I jig, and the contact parts of each component are brazed together to form a heat exchanger. In manufacturing the apparatus, a carbon brazing member is interposed at the contact portion between the aluminum structural member and the stainless steel jig.

上記において、ステンレス鋼製治具としては、各構成部
材を組立てた状態に保持するための締付は哉能を有する
ものだけに限らず、組立て形態を保持する機能を有する
組立て体を載置等により支持するものなども含む。
In the above, the stainless steel jig is not limited to the one that has the ability to tighten to hold each component in the assembled state, but also the one that has the function of holding the assembled body in the assembled state. It also includes those supported by.

実  施  例 以下、この発明の実施例について図面を参照しながら説
明する。
Embodiments Hereinafter, embodiments of the present invention will be described with reference to the drawings.

実施例1 この実施例は、第1図から第3図に示すものであって、
カー・ヒータ用アルミニウム製熱交換器の製造方法であ
る。
Example 1 This example is shown in FIGS. 1 to 3, and includes:
This is a method for manufacturing an aluminum heat exchanger for car heaters.

第1図において、主たる構成部材であるアルミニウム・
ブレージング・シート製偏平状熱交換管(11)と、ア
ルミニウム製コ°ルゲート・フィン(12)と、アルミ
ニウム・ブレージング・シート製ヘッダ・タンク(13
)と、アルミニウム製サイド・プレート(14)と、ア
ルミニウム製インレット・パイプ(15)および同アウ
トレット・パイプ(16)とを熱交換器の形態に組立て
て組立て体(10)を形成する。すなわち、複数の熱交
換管(11)を並列状に配置し、各管(11)の両端を
それぞれヘッダ・タンク(13)に形成された孔に強t
III IN入させる。ついで、隣り合う熱交換管(1
1)どうしの間にコルゲート・フィン(12)を嵌め入
れる。
In Figure 1, the main component is aluminum.
A flat heat exchange tube made of brazed sheet (11), an aluminum corrugated fin (12), and a header tank made of aluminum brazed sheet (13)
), an aluminum side plate (14), an aluminum inlet pipe (15) and an aluminum outlet pipe (16) are assembled in the form of a heat exchanger to form an assembly (10). That is, a plurality of heat exchange tubes (11) are arranged in parallel, and both ends of each tube (11) are firmly inserted into holes formed in the header tank (13).
III IN. Next, the adjacent heat exchange tubes (1
1) Insert the corrugated fins (12) between them.

さらに、両側端の熱交換管(11)の外側にもコルゲー
ト・フィン(12)を配置するとともに外側端のコルゲ
ート・フィン(12)の外側にサイド・プレート(14
)を配置してその両端をヘッダ・タンク(13)に係合
させる。また、インレット・パイプ(15)およびアウ
トレット・パイプ(16)をヘッダ・タンク(13)に
形成された孔に密に嵌入する。
Furthermore, corrugated fins (12) are arranged outside the heat exchange tubes (11) at both ends, and side plates (14) are arranged outside the corrugated fins (12) at the outside ends.
) and its ends are engaged with the header tank (13). Also, the inlet pipe (15) and outlet pipe (16) are tightly fitted into the holes formed in the header tank (13).

こうして組立て体(10)を形成する。この組立て体(
10)は、サイド・プレート(14)によってその形態
が保持される。
Thus, an assembly (10) is formed. This assembly (
10) is held in its shape by the side plate (14).

次に、組立て体(10)をステンレス9I製治具(20
)にセットする。治具(20)は、ステンレス鋼製左右
両側枠部材(21)と、ステンレス14製前後百枠部材
(22)と、左右の中央部で前後両枠部材(2?)間に
渡されたステンレス鋼製中桟(23)とからなる枠(2
4)上の前部および後部において、それぞれ前後方向に
所定間隔をおいて左右方向に伸びる2本の溝形ステンレ
ス鋼製組立て体支持部材(25)が開口を上方に向けて
固定されたものである。そして、支持部材(25)の溝
内に、カーボン製ろう付随止部材(26)が、全長に渡
り、かつ上端が溝から突出した状態で嵌め入れられてい
る。組立て体(10)は、治具(20)の前部および後
部において、それぞれ熱交換管(11)がろう付随止部
材(26)に接触するように2本の支持部材(25)に
またがって載せられることによって、治具(20)にセ
ットされる。
Next, the assembly (10) is attached to a stainless steel 9I jig (20
). The jig (20) consists of left and right side frame members (21) made of stainless steel, front and rear frame members (22) made of stainless steel 14, and a stainless steel frame member (2?) passed between the front and rear frame members (2?) at the center of the left and right sides. A frame (2) consisting of a steel middle crosspiece (23)
4) At the front and rear parts of the upper part, two groove-shaped stainless steel assembly support members (25) extending in the left-right direction at a predetermined interval in the front-rear direction are fixed with their openings facing upward. be. A carbon soldering member (26) is fitted into the groove of the support member (25) over its entire length, with its upper end protruding from the groove. The assembly (10) straddles the two supporting members (25) at the front and rear parts of the jig (20) so that the heat exchange tubes (11) are in contact with the brazing stopper members (26), respectively. By being placed on it, it is set on the jig (20).

その後、組立て体(10)がセットされた治具(20)
を、不活性ガス雰囲気ろう付炉内に入れ、チッ素ガス雰
囲気中でろう付を行なう。その結果、各組立て体(10
)の構成部材と治具(20)とがろう付されることはな
く、構成部材どうしがろう付されていた。
After that, the jig (20) in which the assembly (10) was set
are placed in an inert gas atmosphere brazing furnace, and brazing is performed in a nitrogen gas atmosphere. As a result, each assembly (10
) and the jig (20) were not brazed to each other, but the constituent members were brazed to each other.

比較のために、溝形ステンレス鋼製支持部材(25)内
にカーボン製ろう付随止部材(26)が嵌め入れられて
いない治具を用いて上記と同様のろう付を行なったとこ
ろ、熱交換管(11)と支持部材(25)とがろう付さ
れ、治具(20)からはずすさいに熱交換管(11)が
破損した。
For comparison, when brazing was carried out in the same manner as above using a jig in which the carbon brazing stopper member (26) was not fitted into the groove-shaped stainless steel support member (25), the heat exchange The tube (11) and the support member (25) were brazed together, and the heat exchange tube (11) was damaged when it was removed from the jig (20).

実施例2 この実施例は、第4図に示すものであって、オイル・ク
ーラとして用いられるアルミニウム製熱交換器の製造方
法である。
Example 2 This example is shown in FIG. 4 and is a method for manufacturing an aluminum heat exchanger used as an oil cooler.

第4図において、主たる構成部材であるアルミニウム・
ブレージング−・シート製中間プレート(31)と、ア
ルミニウム・ブレージング・シート製サイド・プレート
(32)と、アルミニウム製コルゲート・フィン(33
)と、アルミニウム製入口側および出口側管接続部材(
34)(35)とを積層型熱交換器の形態に組立てて組
立て体(30)を形成する。すなわち、複数の中間プレ
ート(31)を槽状に重ね合せ、さらにその重ね合せ方
向の両端にサイド・プレート(32)を重ね合せて複数
のオイル流通管部(36)を並列にかつ互いに連通状に
形成するとともに、隣り合うオイル流通管部(36)間
にコルゲート・フィン(33)を配置する。
In Fig. 4, the main component is aluminum.
Brazing - middle plate made of sheet (31), side plate made of aluminum brazed sheet (32), corrugated aluminum fin (33)
) and aluminum inlet and outlet pipe connections (
34) and (35) are assembled in the form of a laminated heat exchanger to form an assembly (30). That is, a plurality of intermediate plates (31) are stacked in a tank shape, and side plates (32) are stacked on both ends in the stacking direction, so that a plurality of oil flow pipe sections (36) are arranged in parallel and in communication with each other. In addition, corrugated fins (33) are arranged between adjacent oil flow pipe sections (36).

また、オイル流通管部(36)内にもアルミニウム製イ
ンナー・フィンを配置する。さらに、サイド・プレート
(32)に形成された孔に入口側および出口側管接続部
材(34)(35)を嵌入する。
Further, an aluminum inner fin is also arranged inside the oil flow pipe section (36). Furthermore, the inlet and outlet pipe connecting members (34) and (35) are fitted into the holes formed in the side plate (32).

次に、この組立て体(30)をステンレス鋼製冶具(4
0)により締付けて積層型熱交換器の形態で保持する。
Next, this assembly (30) is attached to a stainless steel jig (4).
0) to hold it in the form of a stacked heat exchanger.

治具(40)は、1対のステンレス&[締付板(41)
と、両線付板(41)を貫通する2本のステンレス11
両ねじボルト(42)と、ボルト(42)の先端にねじ
嵌められるステンテレス鋼製ナツト(43)とよりなる
。そして、組立て体(30)の−方のサイドプレート(
32)の外側に管接続部材(34)(35)の突出長さ
よりも大きい厚さを有するカーボン類ろう付随止部材(
44)を配置するとともに、他方のサイドプレート(3
2)の外側にもカーボン類ろう付随止部材(45)を配
置する。この状態で治具(40)の両線付根(41)を
ろう付随止部材(44)の外側面に密着させ、ボルト(
42)とナツト(43)とで締付ける。
The jig (40) consists of a pair of stainless steel & [tightening plates (41)
and two stainless steel 11 penetrating both wired plates (41).
It consists of a double-threaded bolt (42) and a stainless steel nut (43) screwed into the tip of the bolt (42). Then, the − side plate of the assembly (30) (
A carbon-based brazing retaining member (32) having a thickness greater than the protruding length of the pipe connecting member (34) (35)
44) and the other side plate (3
2), a carbon-based brazing attachment member (45) is also arranged outside. In this state, the two line roots (41) of the jig (40) are brought into close contact with the outer surface of the brazing retaining member (44), and the bolt (
42) and the nut (43).

その後、組立て体(30)がセットされた治具(40)
を、不活性ガス雰囲気ろう付炉内に入れ、チツ素ガス雰
囲気中でろう付を行なう。その結果、組立て体(30)
の構成部材と治具(40)の締付板(41)とがろう付
されることはなく、構成部材どうしが良好にろう付され
ていた。
After that, the jig (40) in which the assembly (30) was set
are placed in an inert gas atmosphere brazing furnace, and brazing is performed in a nitrogen gas atmosphere. As a result, the assembly (30)
The structural members were not brazed to the clamping plate (41) of the jig (40), and the structural members were well brazed to each other.

比較のために、サイド・プレート(32)の外側にカー
ボン類ろう付随止部材(44)(45)の代わりにステ
ンレス鋼製締付補助部材を配置して上記と同様のろう付
を行なったところ、サイドプレート(32)と締付補助
部材とがろう付され、治具(40)からはずすさいにサ
イドプレート(32)が破損した。
For comparison, stainless steel tightening auxiliary members were placed on the outside of the side plate (32) instead of the carbon-based brazing attachment members (44) and (45), and brazing was performed in the same manner as above. The side plate (32) and the tightening auxiliary member were brazed together, and the side plate (32) was damaged when removed from the jig (40).

発明の効果 この発明の方法によれば、治具と構成部材との接触部に
カーボン類ろう付随止部材を介在されるので、構成部材
と治具とがろう付されるという問題は全く生じる余地が
ない。しかも、ろう付随止部材が構成部材や治具にろう
付されることもない。さらに、従来のようにろう付の度
毎にステンレス鋼製治具に処理を施すような面倒な作業
を必要としない。
Effects of the Invention According to the method of the present invention, since a carbon-based brazing retaining member is interposed at the contact portion between the jig and the component, there is no possibility of the problem of the component and the jig being brazed. There is no. Moreover, the brazing attachment member is not brazed to the structural member or the jig. Furthermore, there is no need for the troublesome work of treating a stainless steel jig every time brazing is performed, as in the conventional method.

またカーボンの熱膨張率は2.5x10−6/deg、
であり、ステンレス鋼の熱膨張率16×10 ’/ d
ea、よりきわめて小さい。したがってカーボン類のろ
う付随止部材はろう付時の加熱によって伸長する率が小
さく、ろう付に伴って組立て体の変形ないし破損をまね
くおそれが全くない。
Also, the thermal expansion coefficient of carbon is 2.5x10-6/deg,
and the coefficient of thermal expansion of stainless steel is 16×10'/d
ea, much smaller. Therefore, the carbon-based brazing retaining member has a small rate of expansion due to heating during brazing, and there is no risk of deformation or damage to the assembly during brazing.

さらに、カーボンの熱伝導率は90KCal/m・hr
 −deg、であり、ステンレス鋼の熱伝導率2Q K
cal/m −hr−deg、に比べて著しく大きい。
Furthermore, the thermal conductivity of carbon is 90KCal/m・hr
-deg, and the thermal conductivity of stainless steel is 2Q K
It is significantly larger than cal/m-hr-deg.

したがって組立て体のろう付時の熱移動がよく、ろう付
性がすこぶるよい。
Therefore, heat transfer during brazing of the assembly is good, and brazability is very good.

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

第1図から第3図はこの発明の実施例1を示し、第1図
は構成部材を熱交換器の形態に組立てた組立て体の斜視
図、第2図は複数の組立て体を治具にセットした状態の
平面図、第3図は第2図の■−■線にそう拡大断面図で
ある。第4図はこの発明の実施例2を示し、構成部材を
積層型熱交換器の形態に組立てた組立て体を治具にセッ
トした状態の正面図である。 (10)(30)・・・アルミニウム製構成部材により
熱交換鼎の形態に組立てた組立て体、(11)・・・熱
交換管、(12)・・・コルゲート・フィン、(13)
・・・ヘッダ・タンク、(14)・・・サイド・プレー
ト、(15)・・・インレット・パイプ、(16)・・
・アウトレット・パイプ、(20) (40)−スフ 
> L/ スfJA 製治具、(26)(44)(45
)・・・カーボン製ろう付防止部材。 以  上 特許出願人  昭和アルミニウム株式会社第4図
1 to 3 show Embodiment 1 of the present invention, FIG. 1 is a perspective view of an assembly in which constituent members are assembled in the form of a heat exchanger, and FIG. A plan view of the set state, and FIG. 3 is an enlarged sectional view taken along the line ■-■ in FIG. 2. FIG. 4 shows a second embodiment of the present invention, and is a front view of an assembly in which constituent members are assembled in the form of a laminated heat exchanger, set on a jig. (10) (30)...Assembly assembled in the form of a heat exchanger using aluminum components, (11)...Heat exchange tube, (12)...Corrugated fin, (13)
... Header tank, (14) ... Side plate, (15) ... Inlet pipe, (16) ...
・Outlet pipe, (20) (40) - Sufu
>L/S fJA jig, (26) (44) (45
)...Carbon brazing prevention member. Patent applicant Showa Aluminum Co., Ltd. Figure 4

Claims (1)

【特許請求の範囲】[Claims]  熱交換器用の複数のアルミニウム製構成部材を熱交換
器の形態に組立てた後、この組立て体をステンレス鋼製
治具にセットし、各構成部材の接触部どうしをろう付す
ることにより熱交換器を製造するにあたり、アルミニウ
ム製構成部材とステンレス鋼製治具との接触部にカーボ
ン製ろう付防止部材を介在させておくことを特徴とする
アルミニウム製熱交換器の製造方法。
After assembling multiple aluminum components for a heat exchanger into a heat exchanger, this assembly is set in a stainless steel jig and the contact parts of each component are brazed together to form a heat exchanger. 1. A method for manufacturing an aluminum heat exchanger, characterized in that a carbon brazing prevention member is interposed at the contact portion between an aluminum component and a stainless steel jig.
JP14765786A 1986-06-23 1986-06-23 Manufacture of aluminum made heat exchanger Pending JPS632556A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14765786A JPS632556A (en) 1986-06-23 1986-06-23 Manufacture of aluminum made heat exchanger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14765786A JPS632556A (en) 1986-06-23 1986-06-23 Manufacture of aluminum made heat exchanger

Publications (1)

Publication Number Publication Date
JPS632556A true JPS632556A (en) 1988-01-07

Family

ID=15435311

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14765786A Pending JPS632556A (en) 1986-06-23 1986-06-23 Manufacture of aluminum made heat exchanger

Country Status (1)

Country Link
JP (1) JPS632556A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006346711A (en) * 2005-06-16 2006-12-28 Denso Corp Brazing wire, and brazing method for heat exchanger using the same
CN103394854A (en) * 2013-07-29 2013-11-20 无锡方盛换热器制造有限公司 Small multi-assembly brazing clamping device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56119664A (en) * 1980-02-27 1981-09-19 Nec Home Electronics Ltd Brazing method

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56119664A (en) * 1980-02-27 1981-09-19 Nec Home Electronics Ltd Brazing method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006346711A (en) * 2005-06-16 2006-12-28 Denso Corp Brazing wire, and brazing method for heat exchanger using the same
JP4492452B2 (en) * 2005-06-16 2010-06-30 株式会社デンソー Brazing wire and heat exchanger brazing method using the same
CN103394854A (en) * 2013-07-29 2013-11-20 无锡方盛换热器制造有限公司 Small multi-assembly brazing clamping device

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