JPH0827151B2 - Fin tube and manufacturing method thereof - Google Patents
Fin tube and manufacturing method thereofInfo
- Publication number
- JPH0827151B2 JPH0827151B2 JP3025606A JP2560691A JPH0827151B2 JP H0827151 B2 JPH0827151 B2 JP H0827151B2 JP 3025606 A JP3025606 A JP 3025606A JP 2560691 A JP2560691 A JP 2560691A JP H0827151 B2 JPH0827151 B2 JP H0827151B2
- Authority
- JP
- Japan
- Prior art keywords
- fin
- manufacturing
- fin tube
- tube
- outer edge
- 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
Description
【０００１】[0001]
【産業上の利用分野】この発明は、フィンチューブおよ
びその製造方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fin tube and a method for manufacturing the fin tube.
【０００２】[0002]
【従来の技術】従来、放熱パイプ等の周囲に帯状材がス
パイラルに巻かれているフィンチューブは、そのフィン
の外縁部は角ばっており、防錆用塗料を塗布あるいは噴
霧しても稜線部には塗装し難く、また、塗装できたとし
ても輸送中に他部と接触して該稜線部の塗装が剥げてし
まい体裁が悪く、しかも、特に大型工事に際しては水圧
試験等の耐圧テストを行うため、早ければ現地工事出荷
までに既に錆が発生しており、また、遅い場合でも錆は
現地工事での保管時には発生し、大いに問題があった。2. Description of the Related Art Conventionally, a fin tube in which a band-shaped material is spirally wound around a heat radiating pipe or the like has a rectangular outer edge portion, and even if a rust-preventive paint is applied or sprayed, the ridge line portion is formed. It is difficult to paint, and even if it can be painted, it will come into contact with other parts during transportation and the paint on the ridge will peel off, and the appearance will be bad. Moreover, especially for large-scale construction, a pressure test such as a water pressure test will be performed. Therefore, rust had already occurred at the earliest by the time of shipment from the on-site construction, and even if it was late, rust occurred at the time of storage at the on-site construction, which was a serious problem.
【０００３】[0003]
【発明が解決しようとする課題】このために、フィンチ
ューブ本体のフィンの外縁部形状を変えることにより、
塗装が剥げ難く、しかも塗装し易いフィンチューブおよ
びその製造方法を開発することを目的とするものであ
る。Therefore, by changing the shape of the outer edge of the fin of the fin tube main body,
It is an object of the present invention to develop a fin tube which is hard to peel off and is easy to paint, and a manufacturing method thereof.
【０００４】[0004]
【課題を解決するための手段】フィンチューブのフィン
（１）の外縁部（１ａ）をアール状に面取りしたものよ
り構成され、さらに、該フィンチューブ本体（Ａ）の製
造方法において、フィン（１）を、その外縁部（１ａ）
を面取りしながらチューブ（２）に巻付け溶接するもの
より構成される。The fin (1) of the fin tube is formed by chamfering the outer edge (1a) of the fin (1), and further, in the method of manufacturing the fin tube main body (A), the fin (1) ) The outer edge (1a)
And is wound around the tube (2) while being chamfered.
【０００５】さらに、この発明の他の実施例としては、
フィンチューブ本体（Ａ）のフィン外縁部（１ａ）が、
それぞれの面取りで半円状に形成されてもよい。Further, as another embodiment of the present invention,
The fin outer edge portion (1a) of the fin tube body (A) is
Each chamfer may be formed in a semicircular shape.
【０００６】尚、これらフィンチューブ本体（Ａ）の製
造方法は、図２に示すようにフィン（１）を押圧してチ
ューブ本体（Ａ）に巻き付けるフォーミングローラ
（Ｘ）のクリアランスリング（Ｙ）にＶ字状あるいはＵ
字状の溝（Ｚ）を形成したものを用い、従来通りの方法
で製造するものである。In the method of manufacturing the fin tube main body (A), as shown in FIG. 2, a fin (1) is pressed to form a clearance ring (Y) of a forming roller (X) wound around the tube main body (A). V shape or U
It is manufactured by a conventional method using a groove having a V-shaped groove (Z).
【０００７】また、ローラカバー（Ｂ）に座ぐりを入れ
たものを用いたり、一体に形成したものを用い、フィン
（１）の外縁部（１ａ）を面取りしながらチューブ
（２）へ巻付け、高周波溶接するものであるが、溶接法
については他の溶接方法、例えばＭＩＧ溶接、であって
もよく、特に限定されることはない。Further, a roller cover (B) with a counterbore is used or an integrally formed roller cover is used, and the fin (1) is wound around the tube (2) while chamfering the outer edge portion (1a). However, the welding method may be another welding method, for example, MIG welding, and is not particularly limited.
【０００８】[0008]
【発明の効果】この発明は、以上の構成よりなるもので
あり、これによれば、フィン（１）の外縁部（角部）す
なわち、稜線部がなくなり、その箇所に塗料が付易く、
しかも角部がなくなることによりフィンチューブ同士が
当たったり、他の製品に接触しても塗料が剥げ難く、現
場工事までに錆の発生がなく、また、面取りすることに
より運転時には管外流体（ガス体）の圧力損失の減少が
期待でき、しかもフィンチューブ表面にスス等の汚れが
付着し難く、又、例え付着しても洗浄する際にスートブ
ローワー、又水洗等でススが剥離し易くなるので洗浄の
インターバルも長く、メンテナンス等も容易、かつ、安
価となり、さらに、従来の製造方法で使用するクリアラ
ンスリング（Ｙ）のフィン（１）との接触部をＶ字状あ
るいはＵ字状の溝（Ｚ）を形成することによりそのまま
使用できる等極めて有益なる効果を奏するものである。According to the present invention, which has the above-described structure, the outer edge portion (corner portion) of the fin (1), that is, the ridge line portion is eliminated, and the paint is easily attached to the portion.
Moreover, since the fins and tubes come into contact with each other due to the elimination of the corners, the paint does not easily come off even if it comes into contact with other products, no rust is generated before the on-site construction, and the chamfering allows external fluid (gas It can be expected that the pressure loss of the body) will be reduced, and that stains such as soot will not easily adhere to the fin tube surface. The cleaning interval is long, maintenance is easy, and the cost is low. Furthermore, the contact portion of the clearance ring (Y) used in the conventional manufacturing method with the fin (1) has a V-shaped or U-shaped groove ( By forming Z), it is possible to use as it is, and it has an extremely beneficial effect.
【図１】本発明の一実施例を示す一部欠截断面図であ
る。FIG. 1 is a partially cutaway sectional view showing an embodiment of the present invention.
【図２】本発明の製造状態を示す一部欠截断面図であ
る。FIG. 2 is a partially cutaway sectional view showing a manufacturing state of the present invention.
１ フィン １ａ 外縁部 ２ チューブ Ａ フィンチューブ本体 Ｂ ローラカバー Ｘ フォーミングローラ Ｙ クリアランスリング Ｚ Ｖ字状あるいはＵ字状の溝 1 fin 1a outer edge 2 tube A fin tube body B roller cover X forming roller Y clearance ring Z V-shaped or U-shaped groove
Claims (2)
状に面取りしたことを特徴とするフィンチューブ。1. A fin tube in which the outer peripheral portion of the fin of the fin tube is chamfered in a round shape.
フィンを、その外縁部を面取りしながらチューブに巻付
け溶接することを特徴とするフィンチューブの製造方
法。2. A method of manufacturing a fin tube body, comprising:
A method of manufacturing a fin tube, comprising winding and welding the fin around the tube while chamfering the outer edge of the fin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3025606A JPH0827151B2 (en) | 1991-01-25 | 1991-01-25 | Fin tube and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3025606A JPH0827151B2 (en) | 1991-01-25 | 1991-01-25 | Fin tube and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04244594A JPH04244594A (en) | 1992-09-01 |
| JPH0827151B2 true JPH0827151B2 (en) | 1996-03-21 |
Family
ID=12170560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3025606A Expired - Fee Related JPH0827151B2 (en) | 1991-01-25 | 1991-01-25 | Fin tube and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0827151B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5990949B2 (en) | 2011-03-18 | 2016-09-14 | 株式会社リコー | Image forming apparatus, image forming method, program, and image forming system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5329244A (en) * | 1976-09-01 | 1978-03-18 | Hitachi Ltd | Method of welding radiation ribs |
| JPS5779237A (en) * | 1980-10-31 | 1982-05-18 | Aisan Ind Co Ltd | Carbureter |
| JPS6281879U (en) * | 1985-11-01 | 1987-05-25 | ||
| JPS62161423A (en) * | 1986-01-10 | 1987-07-17 | Mitsubishi Heavy Ind Ltd | Production of spiral fin |
-
1991
- 1991-01-25 JP JP3025606A patent/JPH0827151B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04244594A (en) | 1992-09-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |