JPH0285350A - Manufacture of metallic tube for far infrared radiation - Google Patents
Manufacture of metallic tube for far infrared radiationInfo
- Publication number
- JPH0285350A JPH0285350A JP63170364A JP17036488A JPH0285350A JP H0285350 A JPH0285350 A JP H0285350A JP 63170364 A JP63170364 A JP 63170364A JP 17036488 A JP17036488 A JP 17036488A JP H0285350 A JPH0285350 A JP H0285350A
- Authority
- JP
- Japan
- Prior art keywords
- tube
- forming
- infrared radiation
- metallic tube
- 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.)
- Pending
Links
- 230000005855 radiation Effects 0.000 title claims abstract description 12
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 239000002184 metal Substances 0.000 claims abstract description 30
- 238000000034 method Methods 0.000 claims abstract description 21
- 238000003466 welding Methods 0.000 claims abstract description 11
- 230000001590 oxidative effect Effects 0.000 claims abstract description 7
- 238000009751 slip forming Methods 0.000 claims abstract description 5
- 238000010894 electron beam technology Methods 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 abstract description 11
- 239000010959 steel Substances 0.000 abstract description 11
- 239000000428 dust Substances 0.000 abstract description 4
- 238000003912 environmental pollution Methods 0.000 abstract 1
- 229910001220 stainless steel Inorganic materials 0.000 description 7
- 239000010935 stainless steel Substances 0.000 description 7
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 238000005422 blasting Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000011324 bead Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 238000007517 polishing process Methods 0.000 description 2
- 238000007788 roughening Methods 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 241000272517 Anseriformes Species 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- FFBHFFJDDLITSX-UHFFFAOYSA-N benzyl N-[2-hydroxy-4-(3-oxomorpholin-4-yl)phenyl]carbamate Chemical compound OC1=C(NC(=O)OCC2=CC=CC=C2)C=CC(=C1)N1CCOCC1=O FFBHFFJDDLITSX-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000003486 chemical etching Methods 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000011120 plywood Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
Abstract
Description
【発明の詳細な説明】
「産業上の利用分野」
本発明は、遠赤外線放射用金属管、さらに詳しくは、金
属管内を通過する例えば液体あるいは粉体等の流体を加
熱処理するのに好適な遠赤外線放射用金属管の製造方法
に関するものである。DETAILED DESCRIPTION OF THE INVENTION "Field of Industrial Application" The present invention relates to a metal tube for far-infrared radiation, and more specifically, to a metal tube suitable for heat-treating a fluid such as a liquid or a powder passing through the metal tube. The present invention relates to a method of manufacturing a metal tube for far-infrared radiation.
「従来の技術」
近年、遠赤外線は、暖房機器はもとより、例えば塗装の
乾燥および焼付け、合板の接着、各種食料品の加熱加工
等、各種の産業分野において盛んに利用されている。"Prior Art" In recent years, far infrared rays have been widely used in various industrial fields, such as heating equipment, as well as drying and baking of paint, adhesion of plywood, and heating processing of various foodstuffs.
一般に、高温にしたときに、遠赤外線を効率良く放射す
るものとして、セラミ７りが知られている。Generally, ceramics are known as materials that efficiently radiate far-infrared rays when heated to high temperatures.
従来、例えばステンレス鋼鋼材の表面を、化学エツチン
グ、陽橿電解処理、機械的研磨、ショツトブラストもし
くはグリソトブラストのいずれかにより処理して、その
表面粗度を１ａ以上にした後、その表面を、熔融塊法、
硫化酸化法、アルカリ性酸化法、酸性酸化法もしくは電
解着色法のいずれかにより処理して酸化被膜を形成した
ステンレス鋼放熱体が、特開昭５５−６４３３号公報に
開示されている。Conventionally, for example, the surface of a stainless steel material is treated by chemical etching, positive electrolytic treatment, mechanical polishing, shot blasting, or glysotho blasting to achieve a surface roughness of 1a or higher. , molten lump method,
JP-A-55-6433 discloses a stainless steel heat dissipating body in which an oxide film is formed by treatment with any one of the sulfuric oxidation method, the alkaline oxidation method, the acidic oxidation method, or the electrolytic coloring method.
「発明が解決しようとする課題」
ところで、前記公開特許公報に開示されている技術にあ
っては、ステンレス鋼鋼材の表面粗度を１ａ以上にする
アラシ工程と、このアラシ工程の後に表面に酸化被膜を
形成する酸化被膜形成工程との二段階を経て、ステンレ
ス鋼放熱体を製造するので、能率が悪いこと、環境を害
すること、特に機械的研磨やショツトブラスト等は、騒
音の発生、粉塵の発生等により、環境を著しく害する問
題があった。"Problems to be Solved by the Invention" By the way, the technology disclosed in the above-mentioned published patent application includes a polishing process to increase the surface roughness of the stainless steel material to 1a or more, and a process in which the surface is oxidized after the polishing process. Stainless steel heat sinks are produced through two steps, including an oxide film forming process, which causes a problem in efficiency and harms the environment, especially mechanical polishing and shot blasting, which generate noise and generate dust. There was a problem of serious environmental damage due to the outbreak.
また、前記表面アラシ手段と、酸化被膜形成手段とは、
同一のライン上に連続して設置することはできるが、表
面アラシ手段と、酸化被膜形成手段とを経たステンレス
鋼ストリップを、そのまま連続して造管ラインへ送るこ
とはできず、表面アラシ手段と、酸化被膜形成手段とを
経たステンレス鋼ストリップを、−旦コイルに巻取った
後、改めて別個の造管ラインにてステンレス鋼鋼材管に
しなければならず、生産性に著しく劣る問題があった。Further, the surface roughening means and the oxide film forming means are:
Although they can be installed continuously on the same line, it is not possible to send the stainless steel strip that has passed through the surface roughening means and the oxide film forming means to the pipe production line continuously; After the stainless steel strip that has passed through the oxide film forming means is first wound into a coil, it must be made into stainless steel pipes in a separate pipe-making line, which poses a problem of significantly lower productivity.
本発明は、かくの如き従来の問題点を解決すべくなした
遠赤外線放射用金属管の製造方法を開発したのである。The present invention has developed a method for manufacturing a metal tube for far-infrared radiation in order to solve the above-mentioned conventional problems.
「課題を解決するための手段」
本発明の要旨とするところは、連続供給される金属スト
リップの一方の全板面に、多数の平行スリットを横方阿
、縦方向に順 次有するスリット板を介して電子ビーム
あるいはレーザーを照射し、上記金属ストリップの一方
の全板面に微細な凹凸を連続的に形成し、このｌ！ｋｍ
な凹凸が形成された金属ストリップの一方の板面を内側
にして、この金属ストリップを円筒形状の素管に成形し
、この円筒形状素管の継目両エツジ部を突合わせ溶接し
た後、高温酸化雰囲気下にて前記凹凸部に酸化被膜を生
成させて、遠赤外線放射用金属管を製造することにある
。"Means for Solving the Problems" The gist of the present invention is to provide a slit plate having a large number of parallel slits sequentially in the horizontal and vertical directions on one entire plate surface of a continuously supplied metal strip. The l! km
The metal strip is formed into a cylindrical tube with one side of the metal strip on which the irregularities are formed inside, and after butt welding the joint edges of the cylindrical tube, high-temperature oxidation is performed. The object of the present invention is to produce a metal tube for far-infrared radiation by forming an oxide film on the uneven portion in an atmosphere.
「作用」
前記の如く、連続供給される金属ストリップの一方の全
板面に、多数の平行スリットを横方向、縦方向に順次有
するスリット板を介して電子ビームあるいはレーザーを
照射することにより、上記金属ストリップの一方の全板
面に微細な凹凸を連続的に形成することができ、この微
細な凹凸が形成された金属ストリップの一方の板面を内
側にして、この金属ストリップを円筒形状の素管に形成
し、この円筒形状素管の継目両エツジ部を突合わせ溶接
した後、高温酸化雰囲気下にて前記凹凸部に酸化被膜を
生成させることにより、内周面から遠赤外線を放射させ
ることが可蝿な金属管を製造することができる。"Operation" As mentioned above, by irradiating one entire plate surface of the continuously supplied metal strip with an electron beam or laser through a slit plate having a large number of parallel slits sequentially in the horizontal and vertical directions, the above-mentioned Fine irregularities can be continuously formed on the entire surface of one of the metal strips, and the metal strip is shaped into a cylindrical element with one surface of the metal strip on which the fine irregularities are formed inside. After forming a tube and butt welding both edges of the seam of this cylindrical blank tube, an oxide film is generated on the uneven portion in a high temperature oxidizing atmosphere, thereby emitting far infrared rays from the inner circumferential surface. It is possible to manufacture flexible metal tubes.
「実施例」
次に本発明に係る遠赤外線放射用金属管の製造方法の実
施例を図面に基づき以下に説明する。"Example" Next, an example of the method for manufacturing a metal tube for far-infrared radiation according to the present invention will be described below based on the drawings.
第１図は、ロールフォーミング方式による電縫鋼管の製
造ライン中、アンコイラ−から繰出され、サイドトリミ
ングされた鋼帯Ｓのロールフォーミング工程ｌと、素管
Ｐの仕上げ成形用のフィンバス成形工程２と、仕上げ成
形された素管Ｐの継目両エツジ部の溶接工程３とを概略
的に示した平面図であり、本発明は、ロールフォーミン
グ工程ｌの入側において、鋼帯Ｓの全幅かつ所要の長さ
にわたる上方位置に、例えば第２図に示すような多数の
平行スワン）４ａを横方向、縦方向に順次有するスリッ
ト板４を配置し、このスリット板４を介して電子ビーム
あるいはレーザ発生装置５からの電子ビームあるいはレ
ーザを鋼帯Ｓの上面に照射し、上記鋼帯Ｓの全上面に、
第３図に示すような微細な凹凸ａを連続的に形成し、こ
の微細な凹凸ａが形成された鋼帯Ｓの上面を内側にして
、前記ロールフォーミング工程１により鋼帯Ｓを円筒形
状の素管Ｐに成形し、かつフィンパス成形工程２により
素管Ｐを仕上げ成形し、仕上げ成形された素管Ｐの継目
両エツジ部を溶接工程３により突合わせｙ８接した後、
高温酸化雰囲気下にて前記凹凸部に酸化液Ｉｌｌ ｂを
生成させて、内周面から遠赤外線を放射させることが可
能な電縫鋼管を製造するのである。Figure 1 shows the roll forming step 1 of the steel strip S that has been fed out from the uncoiler and side-trimmed, and the fin bath forming step 2 for finishing forming the raw pipe P during a production line for electric resistance welded steel pipes using the roll forming method. , is a plan view schematically showing the welding process 3 of the joint edges of the finished pipe P, and the present invention is a plan view schematically showing the welding process 3 of the joint edges of the finished pipe P. A slit plate 4 having a large number of parallel swans 4a in sequence in the horizontal and vertical directions, for example as shown in FIG. The electron beam or laser from 5 is irradiated onto the upper surface of the steel strip S, and the entire upper surface of the steel strip S is
As shown in FIG. 3, fine irregularities a are continuously formed, and the steel strip S is shaped into a cylindrical shape by the roll forming process 1, with the upper surface of the steel strip S on which the fine irregularities a are formed inside. After forming into a raw pipe P, and finishing molding the raw pipe P in the fin pass forming process 2, and butting both edges of the joint of the finished raw pipe P in the welding process 3,
Oxidizing liquid Illb is generated in the uneven portion under a high temperature oxidizing atmosphere to produce an electric resistance welded steel pipe capable of emitting far infrared rays from the inner peripheral surface.
なお、素管Ｐの継目両エツジ部の突合わせ溶接後に、円
筒形以外の例えば角筒形状管あるいはフレキシブル管等
の異形管に成形し、しかる後に、高温酸化雰囲気下にて
前記凹凸部に酸化液ｉ＊ ｂを生成させてもよい。After butt welding both edges of the joint of the raw pipe P, it is formed into an irregularly shaped pipe other than a cylindrical one, such as a square tubular pipe or a flexible pipe, and then the uneven parts are oxidized in a high-temperature oxidizing atmosphere. Liquid i*b may also be produced.
また前記微細な凹凸ａのピッチは２〜１５μ、高さは５
〜３０μであり、かつ微細な凹凸ａの形状は、電子ビー
ムあるいはレーザーの照射角度を変化させたり、スリッ
ト板４のスリット４ａの形状を変化させたりすることに
より、種々の形状の凹凸ａに形成できる。In addition, the pitch of the fine irregularities a is 2 to 15μ, and the height is 5μ.
~30μ, and the shape of the fine unevenness a can be formed into various shapes of unevenness a by changing the irradiation angle of the electron beam or laser, or by changing the shape of the slit 4a of the slit plate 4. can.
さらに、内面ビードの切−１は行わずに、内面ビードを
そのまま残しておいてもよい。Furthermore, the inner bead may be left as it is without cutting the inner bead.
「発明の効果」
以上述べた如く、本発明によれば、金属管の内周面に、
遠赤外線を効率良く放射することが可滝な微細な凹凸を
、金属管の素管成形工程の入側における金属ストリップ
面へ電子ビームあるいはレーザーを照射することによっ
て予め形成することができるので、騒音の発生、粉塵の
発生等、環境を害する恐れがな（、一貫工程により簡率
良く遠赤外線放射用金属管を製造することができる。"Effects of the Invention" As described above, according to the present invention, on the inner circumferential surface of the metal tube,
Fine irregularities that can efficiently emit far-infrared rays can be formed in advance by irradiating the metal strip surface on the entrance side of the metal tube blank forming process with an electron beam or laser, reducing noise. Metal tubes for far-infrared radiation can be easily manufactured through an integrated process without causing any harm to the environment, such as generation of dust or generation of dust.
第１図は本発明に係る遠赤外線放射用金属管の製造方法
の実施例を示す概略平面図、第２図はスリット板の実施
例を示す平面図、第３図は酸化被膜を存する微細な凹凸
形状の実施例を示す拡大説明図である。
Ｓ・・・鋼帯、■・・・ロールフォーミング工程、Ｐ・
・・素管、λ・・・フィンバス成形工程、３・・・溶接
工程、４・・・スリット板、５・・・電子ビームあるい
はレーザー発生装置、ａ・・・微細な凹凸、ｂ・・・酸
化被膜FIG. 1 is a schematic plan view showing an embodiment of the method for producing a metal tube for far-infrared radiation according to the present invention, FIG. 2 is a plan view showing an example of a slit plate, and FIG. It is an enlarged explanatory view showing an example of uneven shape. S... Steel strip, ■... Roll forming process, P.
...Main pipe, λ...Fin bath forming process, 3...Welding process, 4...Slit plate, 5...Electron beam or laser generator, a...Minute irregularities, b... oxide film
Claims (2)
、多数の平行スリットを横方向、縦方向に順次有するス
リット板を介して電子ビームあるいはレーザーを照射し
、上記金属ストリップの一方の全板面に微細な凹凸を連
続的に形成し、この微細な凹凸が形成された金属ストリ
ップの一方の板面を内側にして、この金属ストリップを
円筒形状の素管に成形し、この円筒形状素管の継目両エ
ッジ部を突合わせ溶接した後、高温酸化雰囲気下にて前
記凹凸部に酸化被膜を生成させることを特徴とする遠赤
外線放射用金属管の製造方法。(1) An electron beam or laser is irradiated onto the entire surface of one of the continuously supplied metal strips through a slit plate having a large number of parallel slits in the horizontal and vertical directions. Fine irregularities are continuously formed on the plate surface, one plate surface of the metal strip on which the fine irregularities are formed is turned inside, and this metal strip is formed into a cylindrical blank tube. A method for producing a metal tube for far-infrared radiation, comprising butt welding both edges of a joint of the tube, and then forming an oxide film on the uneven portion in a high-temperature oxidizing atmosphere.
、多数の平行スリットを横方向、縦方向に順次有するス
リット板を介して電子ビームあるいはレーザーを照射し
、上記金属ストリップの一方の全板面に微細な凹凸を連
続的に形成し、この微細な凹凸が形成された金属ストリ
ップの一方の板面を内側にして、この金属ストリップを
円筒形状の素管に成形し、この円筒形状素管の継目両エ
ッジ部を突合わせ溶接し、この溶接された金属管を、円
筒形以外の異形管に成形した後、高温酸化雰囲気下にて
前記凹凸部に酸化被膜を生成させることを特徴とする遠
赤外線放射用金属管の製造方法。(2) An electron beam or laser is irradiated onto the entire surface of one of the continuously supplied metal strips through a slit plate having a large number of parallel slits in the horizontal and vertical directions. Fine irregularities are continuously formed on the plate surface, one plate surface of the metal strip on which the fine irregularities are formed is turned inside, and this metal strip is formed into a cylindrical blank tube. The method is characterized by butt welding both edges of the joint of the pipe, forming the welded metal pipe into an irregularly shaped pipe other than a cylindrical shape, and then forming an oxide film on the uneven parts under a high temperature oxidizing atmosphere. A method of manufacturing a metal tube for far-infrared radiation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63170364A JPH0285350A (en) | 1988-07-08 | 1988-07-08 | Manufacture of metallic tube for far infrared radiation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63170364A JPH0285350A (en) | 1988-07-08 | 1988-07-08 | Manufacture of metallic tube for far infrared radiation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0285350A true JPH0285350A (en) | 1990-03-26 |
Family
ID=15903567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63170364A Pending JPH0285350A (en) | 1988-07-08 | 1988-07-08 | Manufacture of metallic tube for far infrared radiation |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0285350A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06212451A (en) * | 1993-01-11 | 1994-08-02 | Osaka Prefecture | Method for ornamenting metallic surface |
| WO2004035255A1 (en) * | 2002-09-27 | 2004-04-29 | Nec Machinery Corporation | Cyclic structure formation method and surface treatment method |
| JP2011198910A (en) * | 2010-03-18 | 2011-10-06 | Panasonic Corp | Insulated heat dissipation substrate, and method of manufacturing the same |
-
1988
- 1988-07-08 JP JP63170364A patent/JPH0285350A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06212451A (en) * | 1993-01-11 | 1994-08-02 | Osaka Prefecture | Method for ornamenting metallic surface |
| WO2004035255A1 (en) * | 2002-09-27 | 2004-04-29 | Nec Machinery Corporation | Cyclic structure formation method and surface treatment method |
| US7875414B2 (en) | 2002-09-27 | 2011-01-25 | Canon Machinery Inc. | Cyclic structure formation method and surface treatment method |
| JP2011198910A (en) * | 2010-03-18 | 2011-10-06 | Panasonic Corp | Insulated heat dissipation substrate, and method of manufacturing the same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP7170142B2 (en) | 3D metal printing method and apparatus for such method | |
| JPH10505283A (en) | Manufacture of welded tubes with reinforced interior | |
| US3585709A (en) | Method of making tubular walls from finned pipes | |
| JPH0285350A (en) | Manufacture of metallic tube for far infrared radiation | |
| CN109483076B (en) | Stainless steel welding method | |
| CN110576292B (en) | Method for manufacturing automobile bumper | |
| JPH0352723A (en) | Spinning method | |
| JPS58145381A (en) | Manufacture of clad steel tube | |
| JPS6156746A (en) | Expanding method of seamless steel tube | |
| JPH0285349A (en) | Manufacture of metallic tube for far infrared radiation | |
| JPH02165890A (en) | Production of stainless steel pipe for far infrared radiator | |
| JPS6020091B2 (en) | Low temperature heating forge welding pipe method | |
| CN112496072A (en) | Titanium alloy U-shaped thin-wall section and preparation method thereof | |
| JPS62134117A (en) | Production of pipe | |
| JPS58184073A (en) | Manufacture of welded tube | |
| JP2005517813A (en) | Stainless steel processing method | |
| JP3360620B2 (en) | Manufacturing method of welded steel pipe by high energy beam | |
| JPS58181486A (en) | Production of welded pipe | |
| JPH03169412A (en) | Base material for rolled plate roll, rolled plate roll and its manufacture | |
| RU2105626C1 (en) | Opening flanging method | |
| FI83599C (en) | FOERFARANDE FOER FRAMSTAELLNING AV FLERHAOLSPROFILER AV METALL. PUBLISHED UNDER ARTICLE 22 OF THE PATENT ACT (550/67) 18.01.85 | |
| JPH0732034A (en) | Manufacture of butt-welded steel tube | |
| JPS591635A (en) | Production of electricaly welded steel pipe | |
| JPH0230382A (en) | Manufacture of welded can barrel | |
| JPS61169101A (en) | Rolling method of hot rolling stock |