JP3257577B2 - Welding method of metal catalyst carrier - Google Patents
Welding method of metal catalyst carrierInfo
- Publication number
- JP3257577B2 JP3257577B2 JP19951494A JP19951494A JP3257577B2 JP 3257577 B2 JP3257577 B2 JP 3257577B2 JP 19951494 A JP19951494 A JP 19951494A JP 19951494 A JP19951494 A JP 19951494A JP 3257577 B2 JP3257577 B2 JP 3257577B2
- Authority
- JP
- Japan
- Prior art keywords
- metal catalyst
- flat plate
- carrier
- catalyst carrier
- corrugated
- 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.)
- Expired - Fee Related
Links
- 229910052751 metal Inorganic materials 0.000 title claims description 51
- 239000002184 metal Substances 0.000 title claims description 51
- 239000003054 catalyst Substances 0.000 title claims description 44
- 238000000034 method Methods 0.000 title claims description 27
- 238000003466 welding Methods 0.000 title claims description 25
- 238000005520 cutting process Methods 0.000 claims description 15
- 238000004804 winding Methods 0.000 claims description 7
- 238000010030 laminating Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000012768 molten material Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Landscapes
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Laser Beam Processing (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、自動車等の触媒コンバ
ータに用いられるメタル触媒担体に係わり、特に、メタ
ル触媒担体を構成する金属製の波板と平板とを端面にお
いて相互に溶接するためのメタル触媒担体の溶接方法に
関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a metal catalyst carrier used in a catalytic converter of an automobile or the like, and more particularly, to a method for welding a metal corrugated plate and a flat plate constituting a metal catalyst carrier to each other at an end face. The present invention relates to a method for welding a metal catalyst carrier.
【０００２】[0002]
【従来の技術】一般に、自動車の排気系には、排気ガス
を浄化するため、例えば、金属製の波板と平板とを積層
してなるメタル触媒担体を収容した触媒コンバータが配
置されている。2. Description of the Related Art Generally, in an exhaust system of an automobile, a catalytic converter containing, for example, a metal catalyst carrier formed by laminating a corrugated metal plate and a flat plate is disposed in order to purify exhaust gas.
【０００３】図８は、メタル触媒担体の一例を示すもの
で、このメタル触媒担体は、図９に示すように、金属製
の波板１１と平板１３とを交互に重ね、これ等を芯材を
中心にして、円形形状に多重に巻回して仮コア部１５を
形成した後、この仮コア部１５を押し潰すことにより形
成される。FIG. 8 shows an example of a metal catalyst carrier. As shown in FIG. 9, this metal catalyst carrier has metal corrugated plates 11 and flat plates 13 alternately stacked on top of each other. Is formed by winding multiple layers around the center to form a temporary core portion 15 and then crushing the temporary core portion 15.
【０００４】このようなメタル触媒担体１７は、例え
ば、図１０に示すように、排気ガスの流入口１９および
流出口２１の形成される筒状容器２３内に収容されて用
いられる。Such a metal catalyst carrier 17 is used, for example, as shown in FIG. 10, housed in a cylindrical container 23 having an exhaust gas inlet 19 and an outlet 21 formed therein.
【０００５】しかしながら、このようなメタル触媒担体
１７では、波板１１と平板１３とを巻回したままの状態
にしておくと、メタル触媒担体１７内への排気ガスＧの
流通により、メタル触媒担体１７の中心部に位置する波
板１１および平板１３がメタル触媒担体１７の軸方向に
突出する、いわゆる、フィルムアウト現象が生じるとい
う問題がある。However, in such a metal catalyst carrier 17, if the corrugated plate 11 and the flat plate 13 are kept wound, the exhaust gas G flows into the metal catalyst carrier 17 and the metal catalyst carrier 17 There is a problem in that the corrugated plate 11 and the flat plate 13 located at the center of the projection 17 project in the axial direction of the metal catalyst carrier 17, that is, a so-called film-out phenomenon occurs.
【０００６】すなわち、このフィルムアウト現象は、メ
タル触媒担体１７が高温で膨張している状態で、アイド
リング時に低温ガスが流入すると、先ず、中心部が収縮
し、積層された波板１１と平板１３とを相互に引き剥が
す力Ｆ1 が働き、波板１１と平板１３とが相互に引き剥
がされると、中心部分が、ガス圧，振動等の押し出し力
Ｆ2 により押し出されることにより発生する。That is, when a low-temperature gas flows during idling in a state where the metal catalyst carrier 17 is expanding at a high temperature, the center portion first contracts, and the laminated corrugated plate 11 and the flat plate 13 DOO force F 1 peeling mutually acts with and the corrugated plate 11 and flat plate 13 is peeled off from each other, the center portion is generated by being pushed out gas pressure, the extrusion force F 2 of the vibration.
【０００７】そこで、従来、このようなメタル触媒担体
では、例えば、特公平４−３５２７１号公報に開示され
るように、メタル触媒担体の端面にレーザービームを照
射することによりメタル触媒担体の端面において波板１
１と平板１３とを相互に接合し、さらに、特開平３−１
１４５４６号公報に開示されるように、メタル触媒担体
を空気中において熱処理し、箔材中のアルミニウムを酸
化させて表面にアルミナを生成させ、波板１１と平板１
３とを接合することが行われている。Therefore, conventionally, in such a metal catalyst carrier, as disclosed in Japanese Patent Publication No. 4-35271, for example, the end face of the metal catalyst carrier is irradiated with a laser beam so that the end face of the metal catalyst carrier is exposed. Corrugated sheet 1
1 and the flat plate 13 were joined to each other.
As disclosed in Japanese Patent No. 14546, a metal catalyst carrier is heat-treated in the air to oxidize aluminum in a foil material to produce alumina on the surface.
3 is performed.
【０００８】[0008]
【発明が解決しようとする課題】しかしながら、メタル
触媒担体の端面に単にレーザービームを照射し、メタル
触媒担体の端面において波板１１と平板１３とを相互に
溶接する方法では、他から溶材が供給されないため、波
板１１と平板１３との接合強度にも限界があるという問
題があった。However, in the method of simply irradiating the end face of the metal catalyst carrier with a laser beam and welding the corrugated plate 11 and the flat plate 13 to each other at the end face of the metal catalyst carrier, the molten material is supplied from other sources. Therefore, there is a problem that the bonding strength between the corrugated plate 11 and the flat plate 13 is also limited.
【０００９】一方、近時、例えば、特開平５−２９３３
８６号公報に開示されるように、メタル触媒担体の複数
個分の長さを有する長尺メタル触媒担体を、複数に切断
して、複数のメタル触媒担体を得ることが行われてお
り、このような方法では、波板１１と平板１３との巻回
作業等を個別に行う必要がないため生産効率を向上する
ことができ、また、異なる長さのメタル触媒担体を容易
に得ることができる。On the other hand, recently, for example, Japanese Patent Laid-Open No.
No. 86, a long metal catalyst carrier having a length corresponding to a plurality of metal catalyst carriers is cut into a plurality of pieces to obtain a plurality of metal catalyst supports. In such a method, it is not necessary to separately perform the winding work of the corrugated sheet 11 and the flat plate 13, so that the production efficiency can be improved, and metal catalyst supports of different lengths can be easily obtained. .
【００１０】本発明は、かかる従来の事情に対処してな
されたもので、複数に切断されたメタル触媒担体の端面
の波板と平板とを容易かつ強固に溶接することができる
メタル触媒担体の溶接方法を提供することを目的とす
る。SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned circumstances, and is intended to provide a metal catalyst carrier capable of easily and firmly welding a corrugated plate and a flat plate at an end face of a metal catalyst carrier cut into a plurality of pieces. It is intended to provide a welding method.
【００１１】[0011]
【課題を解決するための手段】請求項１のメタル触媒担
体の溶接方法は、金属製の波板と平板とを交互に積層し
てなる担体素子の前記波板と平板とを、前記担体素子の
端面において溶接するメタル触媒担体の溶接方法におい
て、前記担体素子の複数個分の長さを有する長尺担体素
子を、切断工具により切断面にバリが発生するように切
断して、前記端面の波板および平板にバリが形成される
担体素子を得た後、この担体素子の端面にレーザービー
ムを照射し、前記波板と平板とを相互に溶接するもので
ある。According to a first aspect of the present invention, there is provided a method for welding a metal catalyst carrier, wherein the corrugated plate and the flat plate of the carrier element formed by alternately laminating a corrugated metal plate and a flat plate are connected to each other. In the method for welding a metal catalyst carrier to be welded at the end face of the above, a long carrier element having a length corresponding to a plurality of the carrier elements is cut by a cutting tool so as to generate burrs on the cut surface. Then, after obtaining a carrier element in which burrs are formed on the corrugated plate and the flat plate on the end face, a laser beam is irradiated to the end face of the carrier element, and the corrugated sheet and the flat plate are welded to each other.
【００１２】請求項２のメタル触媒担体の溶接方法は、
請求項１において、前記担体素子は、前記波板と平板と
を重ね、これ等を多重に巻回してなるものである。[0012] The method for welding a metal catalyst carrier according to claim 2 is as follows.
In claim 1, the carrier element is formed by laminating the corrugated plate and the flat plate, and winding these over and over.
【００１３】[0013]
【作用】請求項１のメタル触媒担体の溶接方法では、先
ず、担体素子の複数個分の長さを有する長尺担体素子
を、切断工具により切断面にバリが発生するように切断
することにより、端面の波板および平板にバリが形成さ
れた担体素子が得られる。In the method for welding a metal catalyst carrier according to the first aspect, first, a long carrier element having a length corresponding to a plurality of the carrier elements is cut by a cutting tool so that burrs are generated on a cut surface. Thus, a carrier element in which burrs are formed on the corrugated plate and the flat plate on the end surface can be obtained.
【００１４】そして、この後、担体素子の端面にレーザ
ービームを照射すると、レーザービームの熱エネルギー
により波板側のバリが平板に、平板側のバリが波板に溶
着し相互に溶接される。Thereafter, when the end face of the carrier element is irradiated with a laser beam, the heat energy of the laser beam causes the burrs on the corrugated plate side to weld to the flat plate and the burrs on the flat plate side to weld to each other and weld to each other.
【００１５】請求項２のメタル触媒担体の溶接方法で
は、波板と平板とを重ねこれ等を多重に巻回した担体素
子の波板と平板とが確実に溶接されるため、波板と平板
との接合が破壊され、波板と平板とが担体素子の軸方向
に突出することがなくなる。In the method for welding a metal catalyst carrier according to the second aspect, the corrugated sheet and the flat plate are overlapped with each other, and the corrugated plate and the flat plate of the carrier element obtained by winding these layers are securely welded. Is broken, and the corrugated plate and the flat plate do not protrude in the axial direction of the carrier element.
【００１６】[0016]
【実施例】以下、本発明の詳細を図面を用いて説明す
る。図１は、本発明のメタル触媒担体の溶接方法の一実
施例を示しており、この方法では、先ず、（ａ）に示す
ように、得ようとする担体素子３１の複数個分の長さを
有する長尺担体素子３３が、切断工具３５により担体素
子３１の長さに切断される。DESCRIPTION OF THE PREFERRED EMBODIMENTS The details of the present invention will be described below with reference to the drawings. FIG. 1 shows an embodiment of a method for welding a metal catalyst carrier according to the present invention. In this method, first, as shown in FIG. Is cut by the cutting tool 35 to the length of the carrier element 31.
【００１７】なお、この実施例では、得ようとする担体
素子３１の軸長方向寸法は１１８mm、長径寸法は１５４
mm、短径寸法は８８mmである。長尺担体素子３３は、図
２に示すように、金属製の波板３６と平板３７とを重
ね、これ等を多重に巻回した後、レーストラック状に押
し潰して形成されている。In this embodiment, the carrier element 31 to be obtained has an axial dimension of 118 mm and a major axis dimension of 154.
mm and the minor dimension is 88 mm. As shown in FIG. 2, the long carrier element 33 is formed by laminating a metal corrugated plate 36 and a flat plate 37, winding these in multiple layers, and then crushing them into a race track shape.
【００１８】長尺担体素子３３の両端には、切断のため
の余長部３９が形成されている。切断工具３５には、金
属カッター，帯鋸等が使用され、切断は、汎用低コスト
加工により素早く行われ、これにより、図３に示すよう
に、担体素子３１の端面４１の波板３６および平板３７
にバリ４３が形成される。At both ends of the long carrier element 33, extra length portions 39 for cutting are formed. As the cutting tool 35, a metal cutter, a band saw, or the like is used, and the cutting is quickly performed by general-purpose low-cost processing, whereby the corrugated plate 36 and the flat plate 37 on the end surface 41 of the carrier element 31 are provided as shown in FIG.
A burr 43 is formed on the substrate.
【００１９】この後、（ｂ）に示すように、担体素子３
１の端面４１にレーザービーム４５が照射される。この
レーザービーム４５の照射は、図４に示すように、所定
幅を有するレーザービーム４５を端面４１に沿って連続
的に移動し、端面４１の全体にレーザービーム４５を照
射することにより行われる。Thereafter, as shown in FIG.
A laser beam 45 is applied to the end face 41 of the first laser beam. The irradiation of the laser beam 45 is performed by continuously moving the laser beam 45 having a predetermined width along the end face 41 and irradiating the entire end face 41 with the laser beam 45 as shown in FIG.
【００２０】そして、レーザービーム４５を照射する
と、レーザービーム４５の熱エネルギーにより、図５に
示すように、端面４１に形成される波板３６側のバリ４
３が平板３７に、平板３７側のバリ４３が波板３６に溶
着し相互に溶接される。Then, when the laser beam 45 is irradiated, the thermal energy of the laser beam 45 causes the burr 4 on the corrugated plate 36 formed on the end face 41 as shown in FIG.
3 is welded to the flat plate 37 and the burr 43 on the flat plate 37 side is welded to the corrugated plate 36 and welded to each other.
【００２１】なお、切断工具３５により端面４１にバリ
４３を形成した時には、図３に示したように、バリ４３
によりセルが目詰まり状態になるが、レーザービーム４
５の照射によりバリ４３が溶融すると、図６に示すよう
に、バリ４３が凝集するため、目詰まり状態が解消され
る。When the burr 43 is formed on the end face 41 by the cutting tool 35, as shown in FIG.
Causes the cell to become clogged, but the laser beam 4
When the burrs 43 are melted by the irradiation of 5, the burrs 43 are aggregated as shown in FIG. 6, so that the clogged state is eliminated.
【００２２】しかして、この実施例のメタル触媒担体の
溶接方法では、複数に切断された担体素子３１の端面４
１の波板３６および平板３７にバリ４３が形成され、こ
の端面４１にレーザービーム４５を照射すると、レーザ
ービーム４５の熱エネルギーにより波板３６側のバリ４
３が平板３７に、平板３７側のバリ４３が波板３６に溶
着し相互に溶接されるため、複数に切断された担体素子
３１の端面４１の波板３６と平板３７とを容易かつ強固
に溶接することができる。In the method of welding a metal catalyst carrier according to this embodiment, the end face 4 of the carrier element 31 cut into a plurality is cut.
A burr 43 is formed on the first corrugated plate 36 and the flat plate 37. When the end face 41 is irradiated with the laser beam 45, the burr 4 on the corrugated plate 36 side is generated by the heat energy of the laser beam 45.
3 is welded to the flat plate 37 and the burr 43 on the flat plate 37 side is welded to the corrugated plate 36, so that the corrugated plate 36 and the flat plate 37 on the end face 41 of the carrier element 31 cut into a plurality are easily and firmly connected. Can be welded.
【００２３】すなわち、上述したメタル触媒担体の溶接
方法では、バリ４３が溶材になるため、担体素子３１の
端面４１の波板３６と平板３７との溶接強固を従来より
大幅に向上することができる。That is, in the above-described method for welding the metal catalyst carrier, the burrs 43 are used as the molten material, so that the welding strength between the corrugated plate 36 and the flat plate 37 on the end surface 41 of the carrier element 31 can be greatly improved as compared with the conventional method. .
【００２４】また、切断工具３５による切断が、バリ４
３が発生するように行われるため、汎用低コスト加工が
可能になり、生産性を向上することができる。さらに、
長尺担体素子３３を形成することにより複数の担体素子
３１を得ることができるため、担体素子３１を単一に形
成する場合に比較して生産性を向上することができる。The cutting by the cutting tool 35 is performed by the burr 4.
3 is performed so that general-purpose low-cost processing can be performed, and productivity can be improved. further,
Since the plurality of carrier elements 31 can be obtained by forming the long carrier elements 33, the productivity can be improved as compared with the case where the carrier elements 31 are formed singly.
【００２５】また、切断位置を変更することにより、異
なる長さの担体素子３１を容易に得ることができる。さ
らに、切断工具３５により容易に切断することが可能に
なるため、例えば、従来のように、波板３６と平板３７
とに切断用のスリットを形成する必要がなくなり、生産
性を向上することができる。By changing the cutting position, carrier elements 31 having different lengths can be easily obtained. Further, since it is possible to easily cut by the cutting tool 35, for example, the corrugated plate 36 and the flat plate 37
Therefore, it is not necessary to form a slit for cutting, and productivity can be improved.
【００２６】次に示す表１は、本発明のメタル触媒担体
の溶接方法によりバリが形成された端面を溶接された担
体素子と、従来の溶接方法によりバリが形成されない端
面を溶接された担体素子の担体押し出し力を比較して示
しており、本発明のメタル触媒担体の溶接方法により接
合された担体素子では、担体押し出し力が充分に向上し
ているのがわかる。The following Table 1 shows the carrier elements with the burrs formed by the welding method of the metal catalyst carrier of the present invention and the carrier elements with the burrs not formed by the conventional welding method. Of the carrier elements joined by the method for welding a metal catalyst carrier of the present invention, it can be seen that the carrier pushing force is sufficiently improved.
【００２７】[0027]
【表１】 [Table 1]
【００２８】なお、担体素子を形成する波板および平板
には、２０％Ｃｒ−５％Ａｌフェライトステンレスから
なる肉厚５０μｍの箔材が使用された。また、担体素子
のセル密度は、６２０×１０００個／ｍ2 である。For the corrugated sheet and the flat plate forming the carrier element, a 50 μm-thick foil material made of 20% Cr-5% Al ferrite stainless steel was used. The cell density of the carrier element is 620 × 1000 cells / m 2 .
【００２９】さらに、各担体素子は、１１００℃の空気
雰囲気中において２時間熱処理し、波板と平板とが酸化
物接合されている。また、担体押し出し力の測定は、図
７に示すように、担体素子３１の端面４１に担体素子３
１に相似形の金型４７を当接し、０．５mm／分の速度で
押圧し、波板３６と平板３７とが滑り出す時の荷重を測
定することにより行われた。Further, each carrier element is heat-treated in an air atmosphere at 1100 ° C. for 2 hours, and the corrugated plate and the flat plate are joined by oxide. As shown in FIG. 7, the measurement of the carrier pushing force is performed by attaching the carrier element 3 to the end face 41 of the carrier element 31.
1 was pressed against the mold 47 of a similar shape, pressed at a speed of 0.5 mm / min, and the load when the corrugated plate 36 and the flat plate 37 started to slide was measured.
【００３０】なお、以上述べた実施例では、波板３６と
平板３７とを巻回してなる担体素子３１に本発明を適用
した例について述べたが、本発明は、かかる実施例に限
定されるものではなく、波板と平板とを単に積層してな
る担体素子等にも同様に適用できる。In the embodiment described above, an example in which the present invention is applied to the carrier element 31 formed by winding the corrugated plate 36 and the flat plate 37 has been described. However, the present invention is limited to such an embodiment. Instead, the present invention can be similarly applied to a carrier element or the like obtained by simply laminating a corrugated plate and a flat plate.
【００３１】また、レーストラック状の担体素子３１の
みでなく、円形状の担体素子にも適用できる。さらに、
上述した平板３７は、完全な平面状の板に限定されるも
のではなく、例えば、小さな小波を形成してあっても良
い。The present invention can be applied not only to the race track-shaped carrier element 31 but also to a circular carrier element. further,
The flat plate 37 described above is not limited to a completely flat plate, and may form, for example, small ripples.
【００３２】[0032]
【発明の効果】以上述べたように、請求項１のメタル触
媒担体の溶接方法では、複数に切断された担体素子の端
面の波板および平板にバリが形成され、この端面にレー
ザービームを照射すると、レーザービームの熱エネルギ
ーにより波板側のバリが平板に、平板側のバリが波板に
溶着し相互に溶接されるため、複数に切断されたメタル
触媒担体の端面の波板と平板とを容易かつ強固に溶接す
ることができる。As described above, in the method for welding a metal catalyst carrier according to the first aspect, burrs are formed on corrugated plates and flat plates on the end surfaces of the plurality of cut support elements, and the end surfaces are irradiated with a laser beam. Then, since the burr on the corrugated sheet side is welded to the corrugated sheet by the thermal energy of the laser beam and the burr on the flat plate side is welded to the corrugated sheet, the corrugated sheet and the flat plate on the end face of the metal catalyst carrier cut into a plurality are cut off. Can be easily and firmly welded.
【００３３】請求項２のメタル触媒担体の溶接方法で
は、波板と平板とを重ねこれ等を多重に巻回した担体素
子の波板と平板とが確実に溶接されるため、波板と平板
との接合が破壊され、波板と平板とが担体素子の軸方向
に突出することがなくなり、フィルムアウト現象を防止
することができるという利点がある。In the method for welding a metal catalyst carrier according to the second aspect, the corrugated plate and the flat plate are overlapped with each other, and the corrugated plate and the flat plate are securely welded. Is broken, the corrugated plate and the flat plate do not protrude in the axial direction of the carrier element, and there is an advantage that the film-out phenomenon can be prevented.
【図１】本発明のメタル触媒担体の溶接方法の一実施例
を示す説明図である。FIG. 1 is an explanatory view showing one embodiment of a method for welding a metal catalyst carrier of the present invention.
【図２】長尺担体素子を示す斜視図である。FIG. 2 is a perspective view showing a long carrier element.
【図３】切断により形成されたバリを示す説明図であ
る。FIG. 3 is an explanatory diagram showing burrs formed by cutting.
【図４】レーザービームの照射方法を示す説明図であ
る。FIG. 4 is an explanatory diagram showing a laser beam irradiation method.
【図５】レーザービームの照射により溶着されたバリを
示す説明図である。FIG. 5 is an explanatory view showing burrs welded by laser beam irradiation.
【図６】レーザービームの照射によりバリが溶融されセ
ルの目詰まりが解消された状態を示す説明図である。FIG. 6 is an explanatory diagram showing a state in which burrs are melted by laser beam irradiation and cell clogging is eliminated.
【図７】担体押し出し力の測定方法を示す説明図であ
る。FIG. 7 is an explanatory diagram showing a method of measuring a carrier pushing force.
【図８】従来のメタル触媒担体を示す斜視図である。FIG. 8 is a perspective view showing a conventional metal catalyst carrier.
【図９】波板と平板とを巻回している状態を示す斜視図
である。FIG. 9 is a perspective view showing a state in which a corrugated plate and a flat plate are wound.
【図１０】フィルムアウト現象を示す説明図である。FIG. 10 is an explanatory diagram showing a film-out phenomenon.
３１ 担体素子 ３３ 長尺担体素子 ３５ 切断工具 ３６ 波板 ３７ 平板 ４１ 端面 ４３ バリ ４５ レーザービーム 31 carrier element 33 long carrier element 35 cutting tool 36 corrugated plate 37 flat plate 41 end face 43 burr 45 laser beam
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 ＦＩ Ｂ２３Ｋ 26/00 ３１０ Ｂ０１Ｄ 53/36 ＺＡＢＣ ────────────────────────────────────────────────── ─── Continued on the front page (51) Int.Cl. 7 Identification code FI B23K 26/00 310 B01D 53/36 ZABC
Claims (2)
を交互に積層してなる担体素子（３１）の前記波板（３
６）と平板（３７）とを、前記担体素子（３１）の端面
（４１）において溶接するメタル触媒担体の溶接方法に
おいて、 前記担体素子（３１）の複数個分の長さを有する長尺担
体素子（３３）を、切断工具（３５）により切断面にバ
リ（４３）が発生するように切断して、前記端面（４
１）の波板（３６）および平板（３７）にバリ（４３）
が形成される担体素子（３１）を得た後、この担体素子
（３１）の端面（４１）にレーザービーム（４５）を照
射し前記波板（３６）と平板（３７）とを相互に溶接す
ることを特徴とするメタル触媒担体の溶接方法。1. A corrugated sheet (3) of a carrier element (31) comprising alternately laminated metal corrugated sheets (36) and flat plates (37).
6) A method for welding a metal catalyst carrier in which a flat plate (37) and a flat plate (37) are welded on an end face (41) of the carrier element (31), wherein a long carrier having a length corresponding to a plurality of the carrier elements (31). The element (33) is attached to the cut surface by the cutting tool (35).
(43) and cut the end face (4).
Burr (43) on corrugated plate (36) and flat plate (37) of 1)
After obtaining the carrier element (31) in which is formed, the end face (41) of the carrier element (31) is irradiated with a laser beam (45) to weld the corrugated plate (36) and the flat plate (37) to each other. A method for welding a metal catalyst carrier.
法において、 前記担体素子（３１）は、前記波板（３６）と平板（３
７）とを重ね、これ等を多重に巻回してなることを特徴
とするメタル触媒担体の溶接方法。2. The method for welding a metal catalyst carrier according to claim 1, wherein the carrier element (31) comprises a corrugated plate (36) and a flat plate (3).
7. A method for welding a metal catalyst carrier, comprising: laminating 7) and winding these in multiple layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19951494A JP3257577B2 (en) | 1994-08-24 | 1994-08-24 | Welding method of metal catalyst carrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19951494A JP3257577B2 (en) | 1994-08-24 | 1994-08-24 | Welding method of metal catalyst carrier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0857327A JPH0857327A (en) | 1996-03-05 |
| JP3257577B2 true JP3257577B2 (en) | 2002-02-18 |
Family
ID=16409093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19951494A Expired - Fee Related JP3257577B2 (en) | 1994-08-24 | 1994-08-24 | Welding method of metal catalyst carrier |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3257577B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5046829B2 (en) * | 2007-09-26 | 2012-10-10 | イビデン株式会社 | Holding sealing material and manufacturing method of holding sealing material |
| EP3339594B1 (en) | 2016-12-21 | 2019-07-24 | 3M Innovative Properties Company | Mounting mat for pollution control elements |
-
1994
- 1994-08-24 JP JP19951494A patent/JP3257577B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0857327A (en) | 1996-03-05 |
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