JPH08141410A - Manufacture of metallic honeycomb carrier - Google Patents
Manufacture of metallic honeycomb carrierInfo
- Publication number
- JPH08141410A JPH08141410A JP6290155A JP29015594A JPH08141410A JP H08141410 A JPH08141410 A JP H08141410A JP 6290155 A JP6290155 A JP 6290155A JP 29015594 A JP29015594 A JP 29015594A JP H08141410 A JPH08141410 A JP H08141410A
- Authority
- JP
- Japan
- Prior art keywords
- honeycomb body
- outer cylinder
- peripheral surface
- honeycomb
- end side
- 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
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 230000002093 peripheral effect Effects 0.000 claims abstract description 62
- 238000005219 brazing Methods 0.000 claims abstract description 54
- 229910052751 metal Inorganic materials 0.000 claims abstract description 44
- 239000002184 metal Substances 0.000 claims abstract description 44
- 239000000945 filler Substances 0.000 claims abstract description 11
- 238000005304 joining Methods 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims description 34
- 238000000034 method Methods 0.000 claims description 11
- 229910045601 alloy Inorganic materials 0.000 description 12
- 239000000956 alloy Substances 0.000 description 12
- 238000009792 diffusion process Methods 0.000 description 9
- 229910001220 stainless steel Inorganic materials 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 6
- 239000011888 foil Substances 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 230000003197 catalytic effect Effects 0.000 description 5
- 239000011230 binding agent Substances 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 235000011837 pasties Nutrition 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 1
- -1 or Cr18 % Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Exhaust Gas After Treatment (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Catalysts (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、自動車の排気系に装着
される金属触媒コンバータの金属ハニカム担体の製造方
法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for manufacturing a metal honeycomb carrier for a metal catalytic converter mounted on an exhaust system of an automobile.
【０００２】[0002]
【従来の技術】一般に、自動車の排気系には、排気ガス
を浄化するためため、触媒コンバータが配置されてい
る。触媒コンバータの金属ハニカム担体として例えば特
公平２−１４７４７号公報に示すものが図８に示すよう
に知られている。2. Description of the Related Art Generally, a catalytic converter is arranged in an exhaust system of an automobile in order to purify exhaust gas. As a metal honeycomb carrier for a catalytic converter, for example, one disclosed in Japanese Patent Publication No. 14747/1990 is known as shown in FIG.
【０００３】図において、符号１０１は金属ハニカム担
体で、この金属ハニカム担体１０１は、ハニカム体１０
２と、このハニカム体１０２を入れる外筒１０３とから
構成されている。ハニカム体１０２は、金属製の平板１
０２Ａと波板１０２Ｂを交互に巻き回してなり、円柱状
に構成されている。In the drawing, reference numeral 101 is a metal honeycomb carrier, and the metal honeycomb carrier 101 is the honeycomb body 10.
2 and an outer cylinder 103 in which the honeycomb body 102 is placed. The honeycomb body 102 is a flat plate 1 made of metal.
02A and corrugated plate 102B are alternately wound to form a columnar shape.
【０００４】そして、上記金属ハニカム担体１０１を製
造するに当たり、先ず、ハニカム体１０２が外筒１０３
内に嵌挿され、その後、外筒１０３の外周がダイス等に
より絞られる。しかる後、ハニカム体１０２，外筒１０
３が熱処理炉で高温に加熱されて拡散接合が行なわれ
る。拡散接合により、ハニカム体１０２の外周面と外筒
１０３が一体化され、且つ、ハニカム体１０２の平板１
０２Ａと波板１０２Ｂ同士が一体化されるようになって
いる。In manufacturing the metal honeycomb carrier 101, first, the honeycomb body 102 is formed into an outer cylinder 103.
It is fitted inside and then the outer circumference of the outer cylinder 103 is squeezed by a die or the like. After that, the honeycomb body 102 and the outer cylinder 10
3 is heated to a high temperature in a heat treatment furnace to perform diffusion bonding. The outer peripheral surface of the honeycomb body 102 and the outer cylinder 103 are integrated by diffusion bonding, and the flat plate 1 of the honeycomb body 102 is integrated.
02A and the corrugated plate 102B are integrated with each other.
【０００５】[0005]
【発明が解決しようとする課題】しかしながら、金属ハ
ニカム担体１０１の製造方法にあっては、金属ハニカム
担体１０１におけるハニカム体１０２の外周面と外筒１
０３の一体化、及び、ハニカム体１０２の平板１０２Ａ
と波板１０２Ｂ同士の一体化は、拡散接合によって行な
われるので、ハニカム体１０２を構成する波板１０２Ａ
と平板１０２Ｂは強固に接合される。しかしながら、ハ
ニカム体１０２の外周面と外筒１０３の接触面積が広い
ことから、それらの相互間に作用する接触圧力が不足
し、また、ハニカム体１０２と外筒１０３の板厚が相違
することから、ハニカム体１０２の外周面と外筒１０３
の拡散接合が生じ難く、ハニカム体１０２と外筒１０３
の接合が不充分であった。However, in the method of manufacturing the metal honeycomb carrier 101, the outer peripheral surface of the honeycomb body 102 in the metal honeycomb carrier 101 and the outer cylinder 1 are made.
03 and the flat plate 102A of the honeycomb body 102
Since the corrugated plates 102B and the corrugated plates 102B are integrated by diffusion bonding, the corrugated plates 102A forming the honeycomb body 102 are formed.
And the flat plate 102B are firmly joined. However, since the contact area between the outer peripheral surface of the honeycomb body 102 and the outer cylinder 103 is large, the contact pressure acting between them is insufficient, and the plate thicknesses of the honeycomb body 102 and the outer cylinder 103 are different. The outer peripheral surface of the honeycomb body 102 and the outer cylinder 103
It is difficult for the diffusion bonding of the honeycomb body 102 and the outer cylinder 103 to occur.
Was insufficiently bonded.
【０００６】本発明は斯かる実情に鑑み案出されたもの
で、ハニカム体と外筒を確実に接合できる金属ハニカム
担体の製造方法を提供することを目的とする。The present invention has been devised in view of the above circumstances, and an object thereof is to provide a method for manufacturing a metal honeycomb carrier capable of reliably joining a honeycomb body and an outer cylinder.
【０００７】[0007]
【課題を解決するための手段】請求項１記載の発明は、
外筒内に、波板と平板を重ねて多重に巻き回してなるハ
ニカム体を嵌挿し、ハニカム体上に被せられた外筒の一
端側を絞り加工して、ハニカム体，外筒の各一端側に小
径部をそれぞれ同時に形成し、外筒内にハニカム体を嵌
挿した状態で波板と平板を拡散接合し、次いで、外筒内
からハニカム体を抜き出し、ハニカム体の外周面または
外筒の内周面にろう材を付け、このハニカム体を外筒内
に嵌挿し、ハニカム体の外周面と外筒の内周面のろう付
け接合を行なうことを特徴とする。According to the first aspect of the present invention,
A honeycomb body formed by overlapping and corrugating a corrugated plate and a flat plate is inserted into the outer cylinder, and one end side of the outer cylinder covered on the honeycomb body is drawn to form one end of each of the honeycomb body and the outer cylinder. The small diameter portion is formed simultaneously on each side, the corrugated plate and the flat plate are diffusion-bonded in a state where the honeycomb body is fitted and inserted in the outer cylinder, and then the honeycomb body is extracted from the outer cylinder to form the outer peripheral surface of the honeycomb body or the outer cylinder. A brazing material is attached to the inner peripheral surface of the honeycomb body, the honeycomb body is inserted into the outer cylinder, and the outer peripheral surface of the honeycomb body and the inner peripheral surface of the outer cylinder are brazed and joined.
【０００８】請求項２記載の発明は、外筒内に、波板と
平板を重ねて多重に巻き回してなるハニカム体を嵌挿
し、ハニカム体上に被せられた外筒の一端側を絞り加工
して、ハニカム体，外筒の各一端側に小径部をそれぞれ
同時に形成し、外筒内に、ハニカム体を嵌挿した状態で
波板と平板を拡散接合し、次いで、外筒内からハニカム
体を抜き出し、ハニカム体の一端側の小径部から他端側
の大径部にかけて形成されるの段差部の外周面、または
外筒の一端側の小径部から他端側の大径部にかけて形成
される段差部の内周面にろう材を付け、このハニカム体
を外筒内に嵌挿し、ハニカム体の外周面と外筒の内周面
のろう付け接合を行なうことを特徴とする。According to a second aspect of the present invention, a honeycomb body formed by superposing a corrugated plate and a flat plate and being wound in multiple layers is inserted into the outer cylinder, and one end side of the outer cylinder covered on the honeycomb body is drawn. Then, a small-diameter portion is simultaneously formed on one end side of each of the honeycomb body and the outer cylinder, and the corrugated plate and the flat plate are diffusion-bonded in the outer cylinder while the honeycomb body is fitted therein. The body is extracted and formed from the small diameter portion on one end side of the honeycomb body to the large diameter portion on the other end side, or from the small diameter portion on one end side of the outer cylinder to the large diameter portion on the other end side of the outer cylinder It is characterized in that a brazing material is attached to the inner peripheral surface of the stepped portion to be formed, the honeycomb body is fitted into the outer cylinder, and the outer peripheral surface of the honeycomb body and the inner peripheral surface of the outer cylinder are brazed and joined.
【０００９】[0009]
【作用】請求項１においては、外筒内に、波板と平板を
重ねて多重に巻き回してなるハニカム体が嵌挿される。
ハニカム体上に被せられた外筒の一端側が絞り加工さ
れ、外筒，ハニカム体の各一端側に小径部がそれぞれ形
成される。According to the first aspect of the present invention, the honeycomb body formed by superposing the corrugated plate and the flat plate and winding them in multiple layers is fitted in the outer cylinder.
One end side of the outer cylinder covered on the honeycomb body is subjected to a drawing process to form a small diameter portion on each one end side of the outer cylinder and the honeycomb body.
【００１０】この絞り加工により、外筒，ハニカム体の
間に作用する接触圧力が増大する。外筒内に、ハニカム
体が嵌挿された状態で波板と平板が拡散接合される。次
いで、外筒内からハニカム体が抜き出され、ハニカム体
の外周面または外筒の内周面にろう材が付けられる。こ
のハニカム体は外筒内に嵌挿され、ハニカム体の外周面
と外筒の内周面の間にろう材が押圧され、ハニカム体の
外周面と外筒の内周面のろう付け接合が行なわれる。By this drawing process, the contact pressure acting between the outer cylinder and the honeycomb body is increased. The corrugated plate and the flat plate are diffusion-bonded in a state where the honeycomb body is fitted in the outer cylinder. Next, the honeycomb body is extracted from the inside of the outer cylinder, and the brazing material is attached to the outer peripheral surface of the honeycomb body or the inner peripheral surface of the outer cylinder. The honeycomb body is fitted into the outer cylinder, and the brazing material is pressed between the outer peripheral surface of the honeycomb body and the inner peripheral surface of the outer cylinder, so that the outer peripheral surface of the honeycomb body and the inner peripheral surface of the outer cylinder are brazed together. Done.
【００１１】請求項２においては、外筒内に、波板と平
板を重ねて多重に巻き回してなるハニカム体が嵌挿され
る。ハニカム体上に被せられた外筒の一端側が絞り加工
され、外筒，ハニカム体の各一端側に小径部がそれぞれ
同時に形成される。絞り加工により、外筒，ハニカム体
の間に作用する接触圧力が増大する。In the second aspect of the present invention, the honeycomb body formed by superposing the corrugated plate and the flat plate and winding them in multiple layers is fitted in the outer cylinder. One end side of the outer cylinder overlaid on the honeycomb body is drawn, and small diameter portions are simultaneously formed on the one end side of the outer cylinder and the one end side of the honeycomb body, respectively. The drawing pressure increases the contact pressure acting between the outer cylinder and the honeycomb body.
【００１２】外筒内に、ハニカム体を嵌挿した状態で波
板と平板が拡散接合される。次いで、外筒内からハニカ
ム体が抜き出される。ハニカム体の一端側の小径部から
他端側の大径部にかけて形成される段差部の外周面、ま
たは外筒の一端側の小径部から他端側の大径部にかけて
形成される段差部の内周面にろう材が付けられる。The corrugated plate and the flat plate are diffusion-bonded in a state where the honeycomb body is fitted in the outer cylinder. Then, the honeycomb body is extracted from the outer cylinder. The outer peripheral surface of the step portion formed from the small diameter portion on one end side of the honeycomb body to the large diameter portion on the other end side, or the stepped portion formed from the small diameter portion on one end side of the outer cylinder to the large diameter portion on the other end side A brazing material is attached to the inner surface.
【００１３】このハニカム体を外筒内に嵌め込んで、ハ
ニカム体の段差部の外周面と外筒の段差部の内周面の間
にろう材が押圧され、ハニカム体の外周面と外筒の内周
面のろう付け接合が行なわれる。The honeycomb body is fitted into the outer cylinder, and the brazing material is pressed between the outer peripheral surface of the step portion of the honeycomb body and the inner peripheral surface of the step portion of the outer cylinder, so that the outer peripheral surface of the honeycomb body and the outer cylinder The inner peripheral surface of is brazed.
【００１４】[0014]
【実施例】以下、図面により本発明の実施例について説
明する。図１ないし図６により、請求項１記載の発明の
実施例に係わる金属ハニカム担体の製造方法を説明す
る。図２は本実施例に係わる金属ハニカム担体の製造方
法により製造される金属ハニカム担体を示す。Embodiments of the present invention will be described below with reference to the drawings. A method for manufacturing a metal honeycomb carrier according to an embodiment of the present invention will be described with reference to FIGS. 1 to 6. FIG. 2 shows a metal honeycomb carrier manufactured by the method for manufacturing a metal honeycomb carrier according to this embodiment.
【００１５】図において、符号１は本実施例に係わる金
属ハニカム担体で、この金属ハニカム担体１は、円形状
に構成され、ハニカム体２と、ハニカム体２を嵌挿する
外筒３とで構成されている。金属ハニカム担体１の両端
には、それぞれディフューザ（図示せず）が結合され、
触媒コンバータ（図示せず）を構成している。次に、上
記の如き構成の金属ハニカム担体１の製造方法を図１に
従って説明する。In the figure, reference numeral 1 is a metal honeycomb carrier according to this embodiment, and this metal honeycomb carrier 1 is formed in a circular shape and is composed of a honeycomb body 2 and an outer cylinder 3 into which the honeycomb body 2 is fitted. Has been done. Diffusers (not shown) are connected to both ends of the metal honeycomb carrier 1,
It constitutes a catalytic converter (not shown). Next, a method for manufacturing the metal honeycomb carrier 1 having the above structure will be described with reference to FIG.
【００１６】先ず、最初に、工程Ｓ１において、ハニカ
ム体２が準備される。ここで、ハニカム体２は金属製の
平板２Ａと波板２Ｂを交互に巻き回してなり、円柱状に
構成されている。平板２Ａ，波板２Ｂは、フェライト系
ステンレス鋼合金からなる合金を材料としており、Ｃｒ
１０％〜４０％，Ａｌ（アルミニウム）１％〜７％を含
有する。その板厚は３０μｍ〜８０μｍとされている。
例えば、Ｃｒ２０％，Ａｌ（アルミニウム）５％を含有
するフェライト系ステンレス鋼合金、或いは、Ｃｒ１８
％，Ａｌ（アルミニウム）３％を含有するフェライト系
ステンレス鋼合金として用いられる。First, in step S1, the honeycomb body 2 is prepared. Here, the honeycomb body 2 is formed by alternately winding a metal flat plate 2A and a corrugated plate 2B, and has a cylindrical shape. The flat plate 2A and the corrugated plate 2B are made of an alloy composed of a ferritic stainless steel alloy, and are made of Cr.
It contains 10% to 40% and Al (aluminum) 1% to 7%. The plate thickness is set to 30 μm to 80 μm.
For example, a ferritic stainless steel alloy containing 20% Cr and 5% Al (aluminum), or Cr18
%, Al (aluminum) 3%, and used as a ferritic stainless steel alloy.
【００１７】次に、工程Ｓ２において、外筒３が準備さ
れる。ここで、外筒３は、円筒状に構成され、例えばＳ
ＵＳ４３０のようなフェライト系ステンレス鋼合金から
なる合金を材料としており、その板厚は約０．８ｍｍ〜
２．０ｍｍとされている。工程Ｓ３において、外筒３内
にハニカム体２が嵌挿される。工程Ｓ４において、ハニ
カム体２上に被せられた外筒３の一端側がダイス等の機
械的手段で絞り加工され、ハニカム体２，外筒３が同時
に形成される。この絞り加工により、ハニカム体２，外
筒３の間に作用する接触圧力が増大する。Next, in step S2, the outer cylinder 3 is prepared. Here, the outer cylinder 3 is formed in a cylindrical shape, for example, S
The material is an alloy consisting of a ferritic stainless steel alloy such as US430, and the plate thickness is about 0.8 mm-
It is set to 2.0 mm. In step S3, the honeycomb body 2 is fitted into the outer cylinder 3. In step S4, one end side of the outer cylinder 3 covered on the honeycomb body 2 is drawn by a mechanical means such as a die to form the honeycomb body 2 and the outer cylinder 3 at the same time. By this drawing, the contact pressure acting between the honeycomb body 2 and the outer cylinder 3 increases.
【００１８】そして、図４に示すように、ハニカム体２
の一端側に小径部４が形成され、ハニカム体２の他端側
に大径部５が形成され、ハニカム体２の一端側の小径部
４から他端側の大径部５にかけて段差部６が形成され
る。この場合、図２に示すように、ハニカム体２の全長
Ｌ0 ＝８０ｍｍで、Ｌ1 〜Ｌ2 にかけて傾斜が形成され
る。なお、Ｌ1 ＝３５ｍｍ，Ｌ2 ＝４０ｍｍである。Then, as shown in FIG. 4, the honeycomb body 2
A small diameter portion 4 is formed on one end side of the honeycomb body 2, and a large diameter portion 5 is formed on the other end side of the honeycomb body 2, and a step portion 6 is formed from the small diameter portion 4 on one end side of the honeycomb body 2 to the large diameter portion 5 on the other end side. Is formed. In this case, as shown in FIG. 2, the entire length of the honeycomb body 2 is L 0 = 80 mm, and an inclination is formed from L 1 to L 2 . Note that L 1 = 35 mm and L 2 = 40 mm.
【００１９】ハニカム体２の小径部４の内径ＤS1は大径
部５の内径Ｄ01の９４〜９９．５％とされている。９４
％以下では、絞りすぎて、ハニカム体２を破損する虞が
あり、９９．５％を越える場合には、平板２Ａ，波板２
Ｂを充分に密着させることができない。例えば、９７％
の値が選定され、Ｄ01＝１００ｍｍ，ＤS2＝９７ｍｍと
なっている。The inner diameter D S1 of the small diameter portion 4 of the honeycomb body 2 is 94 to 99.5% of the inner diameter D 01 of the large diameter portion 5. 94
% Or less, the honeycomb body 2 may be damaged due to excessive drawing, and if it exceeds 99.5%, the flat plate 2A and the corrugated plate 2 may be damaged.
B cannot be sufficiently adhered. For example, 97%
The values are selected so that D 01 = 100 mm and D S2 = 97 mm.
【００２０】また、図５に示すように、外筒３の一端側
に小径部７が形成され、外筒３の他端側に大径部８が形
成される。外筒３の一端側の小径部７から他端側の大径
部８にかけて段差部９が形成される。また、外筒３の内
周面３Ｃはハニカム体２の外周面２Ｃと同一形状をして
いる。Further, as shown in FIG. 5, a small diameter portion 7 is formed on one end side of the outer cylinder 3, and a large diameter portion 8 is formed on the other end side of the outer cylinder 3. A step portion 9 is formed from the small diameter portion 7 on one end side of the outer cylinder 3 to the large diameter portion 8 on the other end side. The inner peripheral surface 3C of the outer cylinder 3 has the same shape as the outer peripheral surface 2C of the honeycomb body 2.
【００２１】さらに、工程Ｓ５において、外筒３内にハ
ニカム体２を嵌挿した状態で、熱処理炉で、高温雰囲気
中で熱処理が施される。これにより、ハニカム体２の波
板２Ｂと平板２Ａが拡散接合される。Ｌ3 ＝１０ｍｍ，
Ｌ4 ＝２５ｍｍで、Ｌ4 の範囲で拡散接合が行なわれ
る。ここで、拡散接合とは、高温雰囲気中で圧接した状
態で接触する２つの物質間における原子の拡散とクリー
プ変形を利用して接触面の接合を行なうものである。工
程Ｓ５までの工程では、外筒３は一種の熱処理治具とし
て使用される。Further, in step S5, heat treatment is performed in a high temperature atmosphere in a heat treatment furnace with the honeycomb body 2 fitted in the outer cylinder 3. As a result, the corrugated plate 2B and the flat plate 2A of the honeycomb body 2 are diffusion-bonded. L 3 = 10 mm,
With L 4 = 25 mm, diffusion bonding is performed in the range of L 4 . Here, the diffusion bonding is to bond the contact surfaces by utilizing the diffusion and creep deformation of atoms between two substances that are in pressure contact with each other in a high temperature atmosphere. In steps up to step S5, the outer cylinder 3 is used as a kind of heat treatment jig.
【００２２】なお、ハニカム体２の外周面２Ｃと外筒３
の内周面３Ｃは拡散接合で接合されることはない。なぜ
なら、ハニカム体２の外周面２Ｃと外筒３の内周面３Ｃ
は接触面積が広いことから、それらの相互間に作用する
接触圧力が不足し、また、ハニカム体２と外筒３の板厚
が相違するからである。これは実験により確認されてい
る。The outer peripheral surface 2C of the honeycomb body 2 and the outer cylinder 3
The inner peripheral surface 3C is not joined by diffusion joining. Because, the outer peripheral surface 2C of the honeycomb body 2 and the inner peripheral surface 3C of the outer cylinder 3
This is because the contact area is large, the contact pressure acting between them is insufficient, and the plate thicknesses of the honeycomb body 2 and the outer cylinder 3 are different. This has been confirmed by experiments.
【００２３】次いで、工程Ｓ６において、外筒３内から
ハニカム体２が抜き出されて分離される。工程Ｓ７にお
いて、ハニカム体２の段差部６から端面２Ｄにかけて外
周面２Ｃにろう材Ｒが貼り付けられる。ここで、ろう材
Ｒは高温用のＮｉろう箔材からなる。Ｎｉろう箔材とし
てＪＩＳ（ＢＮｉ−１），ＪＩＳ（ＢＮｉ−１Ａ），Ｊ
ＩＳ（ＢＮｉ−２），ＪＩＳ（ＢＮｉ−３），ＪＩＳ
（ＢＮｉ−４），ＪＩＳ（ＢＮｉ−５）が用いられる。
溶融温度は例えばＪＩＳ（ＢＮｉ−５）の場合には１１
５０〜１２０５℃で、ＪＩＳ（ＢＮｉ−５）の以外の場
合も１０００℃以上ある。これにより、当該金属ハニカ
ム担体１が触媒コンバータの一部として使用に供される
時、６００〜９５０℃の排気ガスに晒されるが、上述の
ようにＮｉろう箔材の溶融温度は１０００℃以上であ
り、しかも、金属ハニカム担体１の外筒３が外気によっ
て冷却されるので、ろう材Ｒが排気ガスによって溶融す
ることはない。また、Ｎｉろう箔材の厚さ寸法は３０〜
４０μｍの範囲にあり、実験では３８．１μｍが妥当な
値とされている。Next, in step S6, the honeycomb body 2 is extracted from the outer cylinder 3 and separated. In step S7, the brazing material R is attached to the outer peripheral surface 2C from the step portion 6 of the honeycomb body 2 to the end surface 2D. Here, the brazing material R is composed of a Ni brazing foil material for high temperature. As a Ni brazing foil material, JIS (BNi-1), JIS (BNi-1A), J
IS (BNi-2), JIS (BNi-3), JIS
(BNi-4) and JIS (BNi-5) are used.
The melting temperature is 11 in the case of JIS (BNi-5), for example.
It is 50 to 1205 ° C., and 1000 ° C. or higher even in cases other than JIS (BNi-5). As a result, when the metal honeycomb carrier 1 is used as a part of a catalytic converter, it is exposed to exhaust gas of 600 to 950 ° C., but the melting temperature of the Ni brazing foil material is 1000 ° C. or higher as described above. In addition, since the outer cylinder 3 of the metal honeycomb carrier 1 is cooled by the outside air, the brazing filler metal R is not melted by the exhaust gas. The thickness of the Ni brazing foil material is 30 to
It is in the range of 40 μm, and 38.1 μm is a reasonable value in the experiment.
【００２４】工程Ｓ８において、図６に示すように、こ
のハニカム体２を外筒３内に嵌挿すると、ハニカム体２
の外周面２Ｃと外筒３の内周面３Ｃの間にろう材Ｒが押
圧され、このハニカム体２が外筒３内に嵌挿され、図２
に示す状態となる。即ち、ハニカム体２は拡散接合によ
りすでに若干量縮んだ状態にあり、ＣL1＝０．１ｍｍ，
ＣL2＝０．２ｍｍとされている。In step S8, as shown in FIG. 6, when the honeycomb body 2 is fitted into the outer cylinder 3, the honeycomb body 2 is inserted.
The brazing filler metal R is pressed between the outer peripheral surface 2C of the outer cylinder 3 and the inner peripheral surface 3C of the outer cylinder 3, and the honeycomb body 2 is fitted and inserted into the outer cylinder 3.
The state shown in FIG. That is, the honeycomb body 2 is already slightly contracted by diffusion bonding, and C L1 = 0.1 mm,
C L2 = 0.2 mm.
【００２５】そして、この状態で、ろう付け炉で熱処理
が行なわれることにより、ハニカム体２の外周面２Ｃと
外筒３の内周面３Ｃのろう付け接合が行なわれる。ろう
付け接合の範囲はＬ5 （＝５０ｍｍ）である。ろう材Ｒ
によりハニカム体２の外周面２Ｃと外筒３の内周面３Ｃ
はろう付け接合される。Then, in this state, a heat treatment is performed in a brazing furnace, so that the outer peripheral surface 2C of the honeycomb body 2 and the inner peripheral surface 3C of the outer cylinder 3 are brazed and joined together. The range of brazing is L 5 (= 50 mm). Brazing material R
The outer peripheral surface 2C of the honeycomb body 2 and the inner peripheral surface 3C of the outer cylinder 3 are
Brazed together.
【００２６】工程Ｓ９において、すべての工程が完了さ
れると、金属ハニカム担体１が造られ、図２に示され
る。以上の如き構成によれば、外筒３の一端側を絞り加
工することにより、外筒３の一端側及びハニカム体２の
一端側でそれぞれ小径部４，７の形成が同時に行なわれ
るので、外筒３の内周面３Ｃとハニカム体２の外周面２
Ｃの形状が互いに密着した状態で小径部４，７の形成を
することができる。従って、ハニカム体２を熱処理治具
として用いられた外筒３内に嵌め込んで、ろう付け接合
を行なう際のハニカム体２の外周面２Ｃと外筒３の内周
面３Ｃが密着し、ろう付け接合による強度を確保でき
る。In step S9, when all the steps are completed, the metal honeycomb carrier 1 is manufactured and shown in FIG. According to the above-described configuration, the one end side of the outer cylinder 3 is drawn, so that the small diameter portions 4 and 7 are simultaneously formed on one end side of the outer cylinder 3 and one end side of the honeycomb body 2, respectively. Inner peripheral surface 3C of the cylinder 3 and outer peripheral surface 2 of the honeycomb body 2
The small diameter portions 4 and 7 can be formed in a state where the shapes of C are in close contact with each other. Therefore, the outer peripheral surface 2C of the honeycomb body 2 and the inner peripheral surface 3C of the outer cylinder 3 come into close contact with each other when the honeycomb body 2 is fitted into the outer cylinder 3 used as a heat treatment jig to perform brazing and joining. It is possible to secure the strength by attachment bonding.
【００２７】また、ハニカム体２の段差部６から端面２
Ｄにかけてろう材Ｒが貼り付けられているので、ハニカ
ム体２を外筒３に嵌挿する際、ハニカム体２の嵌挿の圧
力で、ハニカム体２の外周面２Ｃと外筒３の内周面３Ｃ
の間にろう材Ｒを押圧し、隙間がない状態でろう付け接
合を行なうことができ、ろう付け接合の接合強度を向上
させることができる。Further, from the step portion 6 of the honeycomb body 2 to the end surface 2
Since the brazing filler metal R is pasted over D, when the honeycomb body 2 is fitted into the outer cylinder 3, the outer peripheral surface 2C of the honeycomb body 2 and the inner circumference of the outer cylinder 3 are pressed by the pressure of the fitting of the honeycomb body 2. Surface 3C
It is possible to press the brazing material R between them to perform brazing and joining without a gap, and it is possible to improve the joining strength of the brazing and joining.
【００２８】なお、本実施例においては、ろう材Ｒとし
て、Ｎｉろう箔材が用いられているが、これに限定され
ることなく、例えば、バインダーと粉末ろう材からなる
スラリー状ろう材を用いることもでき、或いは、糊状バ
インダーを塗布後粉末ろう材を付着させることもでき
る。また、本実施例においては、ハニカム体２の段差部
６から端面２Ｄにかけてろう材Ｒが貼り付けられている
が、外筒３の内周面３ＣにＮｉろう箔材からなるろう材
を貼り付けたり、バインダーと粉末ろう材からなるスラ
リー状ろう材を用いることもでき、或いは、糊状バイン
ダーを塗布後粉末ろう材を付着させることもできる。In this embodiment, a Ni brazing foil material is used as the brazing material R, but the brazing material is not limited to this and, for example, a slurry brazing material composed of a binder and a powder brazing material is used. Alternatively, the powdery brazing material can be attached after the pasty binder is applied. Further, in this embodiment, the brazing material R is attached from the step portion 6 of the honeycomb body 2 to the end surface 2D, but the brazing material made of Ni brazing foil material is attached to the inner peripheral surface 3C of the outer cylinder 3. Alternatively, a slurry brazing material composed of a binder and a powder brazing material may be used, or the powder brazing material may be attached after applying a pasty binder.
【００２９】さらに、本実施例においては、ハニカム体
２の段差部６から端面２Ｄにかけてろう材Ｒが貼り付け
られているが、ハニカム体２の外周面２Ｃの全面に亘っ
てろう材Ｒをを貼り付けることもでき、或いは、外筒３
の内周面３Ｃの全面に亘ってろう材Ｒを貼り付けること
もできる。そして、本実施例においては、ハニカム体２
の段差部６から端面２Ｄにかけてろう材Ｒが貼り付けら
れているが、ハニカム体２の段差部６と外筒３の段差部
９の間にのみろう材を使用することもでき、この場合に
は、ろう材の使用量を少なくできる。Further, in this embodiment, the brazing filler metal R is attached from the step 6 of the honeycomb body 2 to the end face 2D, but the brazing filler metal R is spread over the entire outer peripheral surface 2C of the honeycomb body 2. It can be attached, or the outer cylinder 3
The brazing filler metal R may be attached to the entire inner peripheral surface 3C. Then, in the present embodiment, the honeycomb body 2
Although the brazing filler metal R is attached from the step portion 6 to the end surface 2D of the honeycomb body 2, the brazing filler metal can be used only between the step portion 6 of the honeycomb body 2 and the step portion 9 of the outer cylinder 3. In this case, Can reduce the amount of brazing filler metal used.
【００３０】そして、また、本実施例においては、平板
２Ａ，波板２Ｂは、フェライト系ステンレス鋼合金から
なる合金を材料としており、その板厚は３０μｍ〜８０
μｍとされているが、かかる数値に限定されることはな
い。そして、さらに、本実施例においては、外筒３は、
ＳＵＳ４３０のようなフェライト系ステンレス鋼合金か
らなる合金を材料としており、その板厚は約０．８ｍｍ
〜２．０ｍｍとされているが、かかる数値に限定される
ことはなく、ＳＵＳ４１０Ｆのようなフェライト系ステ
ンレス鋼合金またはＳＵＳ３０４のようなオーステナイ
ト系ステンレス鋼合金を用いることもできる。Further, in this embodiment, the flat plate 2A and the corrugated plate 2B are made of an alloy composed of ferritic stainless steel alloy, and the plate thickness thereof is 30 μm to 80 μm.
Although it is set to μm, it is not limited to such a numerical value. Further, in the present embodiment, the outer cylinder 3 is
The material is an alloy consisting of ferritic stainless steel alloy such as SUS430, and the plate thickness is about 0.8 mm.
However, it is not limited to this value, and a ferritic stainless steel alloy such as SUS410F or an austenitic stainless steel alloy such as SUS304 can be used.
【００３１】加えて、本実施例においては、平板２Ａと
して小波付の平板を用いることもできる。また、本実施
例においては、金属ハニカム担体が円形状になっている
が、楕円形状またはレーストラック形状にすることもで
きる。In addition, in this embodiment, a flat plate with a small wave can be used as the flat plate 2A. In addition, in this embodiment, the metal honeycomb carrier has a circular shape, but it may have an elliptical shape or a race track shape.
【００３２】[0032]
【発明の効果】以上説明したように、請求項１記載の発
明によれば、外筒の一端側を絞り加工することにより、
外筒の一端側及びハニカム体の一端側でそれぞれ小径部
の形成が同時に行なわれるので、外筒の内周面とハニカ
ム体の外周面の形状が互いに密着した状態で小径部の形
成をすることができる。従って、ハニカム体を外筒内に
嵌め込んでろう付け接合を行なう際のハニカム体の外周
面と外筒の内周面が密着し、ろう付け接合による強度を
確保できる。As described above, according to the invention of claim 1, by drawing one end side of the outer cylinder,
Since the small-diameter portion is formed simultaneously on one end side of the outer cylinder and one end side of the honeycomb body, the small-diameter portion should be formed in a state where the inner peripheral surface of the outer cylinder and the outer peripheral surface of the honeycomb body are in close contact with each other. You can Therefore, the outer peripheral surface of the honeycomb body and the inner peripheral surface of the outer cylinder are closely contacted when the honeycomb body is fitted into the outer cylinder to perform the brazing and the strength by the brazing and bonding can be secured.
【００３３】また、請求項２記載の発明によれば、ハニ
カム体の段差部の外周面または外筒の段差部の内周面に
ろう材が付けられているので、ハニカム体を外筒に嵌挿
する際、ハニカム体の嵌挿の圧力で、ハニカム体の段差
部と外筒の段差部の間にろう材を押圧し、隙間がない状
態でろう付け接合を行なうことができ、ろう付け接合の
接合強度を向上させることができる。According to the second aspect of the present invention, since the brazing material is attached to the outer peripheral surface of the step portion of the honeycomb body or the inner peripheral surface of the step portion of the outer cylinder, the honeycomb body is fitted to the outer cylinder. When inserting, the brazing material can be pressed between the step portion of the honeycomb body and the step portion of the outer cylinder by the pressure for inserting the honeycomb body, and brazing can be performed without a gap. The joint strength of can be improved.
【００３４】また、ハニカム体の段差部と外筒の段差部
の間にのみろう材を使用することにより、ハニカム体と
外筒を接合できるので、ろう材の使用量を少なくでき
る。Since the honeycomb body and the outer cylinder can be joined by using the brazing material only between the step portion of the honeycomb body and the step portion of the outer cylinder, the amount of the brazing material used can be reduced.
【図１】請求項１記載の発明の実施例に係わる金属ハニ
カム担体の製造方法を示す工程図である。FIG. 1 is a process chart showing a method for manufacturing a metal honeycomb carrier according to an embodiment of the invention described in claim 1.
【図２】同金属ハニカム担体の縦断面図である。FIG. 2 is a vertical cross-sectional view of the same metal honeycomb carrier.
【図３】同金属ハニカム担体のハニカム体を示す斜視図
である。FIG. 3 is a perspective view showing a honeycomb body of the same metal honeycomb carrier.
【図４】同金属ハニカム担体のハニカム体の断面図であ
る。FIG. 4 is a cross-sectional view of a honeycomb body of the same metal honeycomb carrier.
【図５】同金属ハニカム担体の外筒の断面図である。FIG. 5 is a cross-sectional view of an outer cylinder of the same metal honeycomb carrier.
【図６】同金属ハニカム担体の外筒に対するハニカム体
の挿入途中の説明図である。FIG. 6 is an explanatory view showing a state where the honeycomb body is being inserted into the outer cylinder of the same metal honeycomb carrier.
【図７】請求項２記載の発明の実施例に係わる金属ハニ
カム担体の縦断面図である。FIG. 7 is a vertical cross-sectional view of a metal honeycomb carrier according to an embodiment of the invention described in claim 2.
【図８】従来における金属ハニカム担体の斜視図であ
る。FIG. 8 is a perspective view of a conventional metal honeycomb carrier.
１ 金属ハニカム担体 ２ ハニカム体 ２Ａ 平板 ２Ｂ 波板 ２Ｃ 外周面 ３ 外筒 ３Ｃ 内周面 ４ 小径部 ５ 大径部 ６ 段差部 ７ 小径部 ８ 大径部 ９ 段差部 Ｒ ろう材 DESCRIPTION OF SYMBOLS 1 Metal honeycomb carrier 2 Honeycomb body 2A Flat plate 2B Corrugated plate 2C Outer peripheral surface 3 Outer cylinder 3C Inner peripheral surface 4 Small diameter portion 5 Large diameter portion 6 Step portion 7 Small diameter portion 8 Large diameter portion 9 Step portion R Brazing material
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｆ０１Ｎ 3/28 ＺＡＢ ３０１ Ｕ ─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 6 Identification code Internal reference number FI technical display location F01N 3/28 ZAB 301 U
Claims (2)
（２Ａ）を重ねて多重に巻き回してなるハニカム体
（２）を嵌挿し、 ハニカム体（２）上に被せられた外筒（３）の一端側を
絞り加工して、ハニカム体（２），外筒（３）の各一端
側に小径部（４，７）をそれぞれ同時に形成し、 外筒（３）内にハニカム体（２）を嵌挿した状態で波板
（２Ｂ）と平板（２Ａ）を拡散接合し、 次いで、外筒（３）内からハニカム体（２）を抜き出
し、 ハニカム体（２）の外周面（２Ｃ）または外筒（３）の
内周面（３Ｃ）にろう材（Ｒ）を付け、 このハニカム体（２）を外筒（３）内に嵌挿し、ハニカ
ム体（２）の外周面（２Ｃ）と外筒（３）の内周面（３
Ｃ）のろう付け接合を行なうことを特徴とする金属ハニ
カム担体の製造方法。1. A honeycomb body (2) formed by overlapping and corrugating a corrugated plate (2B) and a flat plate (2A) in an outer cylinder (3) is fitted on the honeycomb body (2). In the outer cylinder (3), one end side of the outer cylinder (3) is drawn to simultaneously form the small diameter portions (4, 7) on each one end side of the honeycomb body (2) and the outer cylinder (3). The corrugated plate (2B) and the flat plate (2A) are diffusion-bonded in a state where the honeycomb body (2) is inserted into the outer cylinder (3), and then the honeycomb body (2) is extracted from the inside of the outer cylinder (3) to remove the honeycomb body (2). The brazing filler metal (R) is attached to the outer peripheral surface (2C) or the inner peripheral surface (3C) of the outer cylinder (3), and the honeycomb body (2) is fitted into the outer cylinder (3) to form the honeycomb body (2). Outer peripheral surface (2C) and inner peripheral surface (3) of outer cylinder (3)
A method for manufacturing a metal honeycomb carrier, which comprises brazing and joining in C).
（２Ａ）を重ねて多重に巻き回してなるハニカム体
（２）を嵌挿し、 ハニカム体（２）上に被せられた外筒（３）の一端側を
絞り加工して、ハニカム体（２），外筒（３）の各一端
側に小径部（４，７）をそれぞれ同時に形成し、 外筒（３）内に、ハニカム体（２）を嵌挿した状態で波
板（２Ｂ）と平板（２Ａ）を拡散接合し、 次いで、外筒（３）内からハニカム体（２）を抜き出
し、 ハニカム体（２）の一端側の小径部（４）から他端側の
大径部（５）にかけて形成される段差部（６）の外周面
（２Ｃ）、または外筒（３）の一端側の小径部（７）か
ら他端側の大径部（８）にかけて形成される段差部
（９）の内周面（３Ｃ）にろう材（Ｒ）を付け、 このハニカム体（２）を外筒（３）内に嵌挿し、ハニカ
ム体（２）の外周面（２Ｃ）と外筒（３）の内周面（３
Ｃ）のろう付け接合を行なうことを特徴とする金属ハニ
カム担体の製造方法。2. A honeycomb body (2) formed by overlapping and corrugating a corrugated plate (2B) and a flat plate (2A) in an outer cylinder (3) is fitted and covered on the honeycomb body (2). In the outer cylinder (3), one end side of the outer cylinder (3) is drawn to simultaneously form the small diameter portions (4, 7) on each one end side of the honeycomb body (2) and the outer cylinder (3). , The corrugated plate (2B) and the flat plate (2A) are diffusion-bonded in a state where the honeycomb body (2) is inserted, and then the honeycomb body (2) is extracted from the outer cylinder (3) to obtain the honeycomb body (2). Outer peripheral surface (2C) of the stepped portion (6) formed from the small diameter portion (4) on one end side to the large diameter portion (5) on the other end side, or the small diameter portion (7) on one end side of the outer cylinder (3). ) To the large diameter portion (8) on the other end side, a brazing material (R) is attached to the inner peripheral surface (3C) of the stepped portion (9), and the honeycomb body (2) is attached to the outer cylinder (3). A fitting inserted within, an outer peripheral surface (2C) and the inner circumferential surface of the outer cylinder (3) of the honeycomb body (2) (3
A method for manufacturing a metal honeycomb carrier, which comprises brazing and joining in C).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6290155A JPH08141410A (en) | 1994-11-24 | 1994-11-24 | Manufacture of metallic honeycomb carrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6290155A JPH08141410A (en) | 1994-11-24 | 1994-11-24 | Manufacture of metallic honeycomb carrier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08141410A true JPH08141410A (en) | 1996-06-04 |
Family
ID=17752484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6290155A Pending JPH08141410A (en) | 1994-11-24 | 1994-11-24 | Manufacture of metallic honeycomb carrier |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08141410A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005528982A (en) * | 2002-06-13 | 2005-09-29 | エミテック ゲゼルシヤフト フユア エミツシオンス テクノロギー ミツト ベシユレンクテル ハフツング | Non-cylindrical catalyst carrier and production tool and production method thereof |
-
1994
- 1994-11-24 JP JP6290155A patent/JPH08141410A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005528982A (en) * | 2002-06-13 | 2005-09-29 | エミテック ゲゼルシヤフト フユア エミツシオンス テクノロギー ミツト ベシユレンクテル ハフツング | Non-cylindrical catalyst carrier and production tool and production method thereof |
| US8389438B2 (en) | 2002-06-13 | 2013-03-05 | Emitec Gesellschaft Fuer Emissionstechnologie Mbh | Non-cylindrical catalytic-converter carrier element and tool, and method for manufacturing it |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4318855B2 (en) | Method for applying brazing powder to honeycomb structure | |
| JPH08141410A (en) | Manufacture of metallic honeycomb carrier | |
| JPH07328451A (en) | Metallic carrier excellent in thermal fatigue resistance | |
| JPH0724330A (en) | Metal honeycomb carrier utilizing thermal compression and production thereof | |
| JP2620471B2 (en) | Manufacturing method of diffusion bonded metal carrier | |
| JP3287976B2 (en) | Method for producing metal carrier for exhaust gas purification catalyst | |
| JP2898742B2 (en) | Manufacturing method of metal carrier by diffusion bonding | |
| JPH07185356A (en) | Metal honeycomb carrier for purifying exhaust gas and production thereof | |
| JPH0724332A (en) | Metal honeycomb carrier and production thereof | |
| JP2784660B2 (en) | Method of manufacturing carrier base for exhaust gas purification device | |
| JP2537199Y2 (en) | Exhaust gas purification catalyst carrier | |
| JP2754017B2 (en) | Metal supporting base for supporting exhaust gas purifying catalyst and method of manufacturing the same | |
| JPH08141413A (en) | Manufacture of metallic honeycomb carrier | |
| JPH094444A (en) | Metallic catalytic carrier unit and its manufacture | |
| JP3267840B2 (en) | Metal carrier for exhaust gas purification catalyst and method for producing the same | |
| JPH08196917A (en) | Metal carrier and its manufacture | |
| JP2813932B2 (en) | Method for producing metal honeycomb carrier | |
| JPS6393354A (en) | Purifying device for exhaust gas | |
| JPH10263418A (en) | Metal carrier for catalyst and its production | |
| JP2521839Y2 (en) | Metal carrier | |
| JPH05131148A (en) | Production of oval metal carrier | |
| JPH08206514A (en) | Metallic carrier and its production | |
| JP2688763B2 (en) | Metal supporting base for supporting exhaust gas purifying catalyst and method of manufacturing the same | |
| JPH0360740A (en) | Metallic carrier for exhaust gas cleaning catalyst | |
| JP3009512B2 (en) | Outer cylinder for metal carrier |