JPH0433799A - Method for cutting bead of plated steel tube - Google Patents
Method for cutting bead of plated steel tubeInfo
- Publication number
- JPH0433799A JPH0433799A JP13826590A JP13826590A JPH0433799A JP H0433799 A JPH0433799 A JP H0433799A JP 13826590 A JP13826590 A JP 13826590A JP 13826590 A JP13826590 A JP 13826590A JP H0433799 A JPH0433799 A JP H0433799A
- Authority
- JP
- Japan
- Prior art keywords
- bead
- cutting
- steel plate
- cut
- aluminum
- 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
- 238000005520 cutting process Methods 0.000 title claims abstract description 42
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 35
- 239000010959 steel Substances 0.000 title claims abstract description 35
- 239000011324 bead Substances 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims description 6
- 238000003466 welding Methods 0.000 claims abstract description 5
- 238000007747 plating Methods 0.000 claims description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 25
- 229910052782 aluminium Inorganic materials 0.000 abstract description 25
- 229910000680 Aluminized steel Inorganic materials 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明はメッキ鋼管のビード切削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 method for bead cutting a plated steel pipe.
（従来の技術）
近年、自動車の排気管は、耐食性改善の観点から普通鋼
及びステンレス鋼の表面に例えばアルミメッキした鋼管
が求められている。この場合、電縫造管すると外面側と
内面側に凸状のビードが出来るが、このままだと他の部
品と組合せて使用するとき凸状となっているため組合せ
られなかったり、加工するとき凸状になっているため局
部的に大きな加工応力か加わり破壊することかあり、ビ
ード部を切削する必要かある。(Prior Art) In recent years, from the viewpoint of improving corrosion resistance, there has been a demand for automobile exhaust pipes to be steel pipes made of ordinary steel or stainless steel, the surface of which is plated with aluminum, for example. In this case, when making an ERW pipe, a convex bead will be created on the outer and inner sides, but if this is done, the convex bead will not be able to be assembled when used in combination with other parts, or the convex bead will be formed when processing. Because of the shape, large processing stress may be applied locally and it may break, and it may be necessary to cut the bead part.
アルミメッキ鋼板の電縫造管ビードをバイトて切削する
とき、電縫溶接熱及び切削抵抗熱でアルミの融点以上の
温度となり、切削バイトにアルミか溶着し切削不可能と
なる。特に内面ビードの切削はバイトが管内にあるため
、バイトにアルミか溶着し切削不可能になると造管機を
停止し、切削バイトの交換か必要である。When cutting an ERW pipe bead made of an aluminized steel plate using a cutting tool, the temperature exceeds the melting point of aluminum due to the ERW welding heat and cutting resistance heat, and the aluminum welds to the cutting tool, making cutting impossible. In particular, when cutting internal beads, the cutting tool is inside the pipe, so if aluminum becomes welded to the tooling tool and cutting becomes impossible, it is necessary to stop the pipe-making machine and replace the cutting tool.
現在、アルミメッキ鋼管のビード切削は、ビード部を水
などで冷却したのち切削したり、ハイド切削部に冷却水
を吹き付ける工夫をほどこしているか、バイトにアルミ
が付着するのを防ぐことは出来ていない。Currently, bead cutting of aluminized steel pipes involves cooling the bead section with water before cutting, or spraying cooling water onto the hide cutting section, or there is no way to prevent aluminum from adhering to the cutting tool. do not have.
（発明か解決しようとする課題）
本発明は、メッキ鋼管の溶接ビード部を切削する際、切
削バイトにメッキ材が溶着し、切削不可能となる等の問
題点を有利に解消するメッキ鋼管のビード切削方法を提
供するものである。(Problem to be Solved by the Invention) The present invention provides a plated steel pipe that advantageously solves problems such as when cutting a weld bead of a plated steel pipe, the plated material adheres to the cutting tool, making cutting impossible. A bead cutting method is provided.
（課題を解決するための手段）
本発明の要旨は、メッキ鋼板の端部のメッキを予め除去
し、該鋼板を円形に成形し溶接して鋼管とし、次いで溶
接ビード部を切削することを特徴とするメッキ鋼管のビ
ード切削方法である。(Means for Solving the Problems) The gist of the present invention is that the plating at the end of a plated steel plate is removed in advance, the steel plate is formed into a circular shape and welded to form a steel pipe, and then the weld bead portion is cut. This is a bead cutting method for plated steel pipes.
（作 用）
電縫造管する前の鋼板のとき、ビード切削部となる鋼板
のところだけ、例えはアルミメッキの場合アルミメッキ
部を除去して電縫造管することにより、ビードを切削し
ても切削バイトにアルミが付着することなく、安定して
ビードを切削することができる。ここでメッキ除去範囲
は、鋼板の端部から１０ｍｍ以内の間である。これは、
バイトの切削幅が１０ｍｍ以下である事と、広（メッキ
を除去すると母材部（普通鋼等）が広範囲に露出し、耐
食性が低下するのでこれを防ぐためである。(Function) When making a steel plate before making an ERW pipe, the bead can be cut only at the steel plate where the bead will be cut, for example, in the case of aluminum plating, the aluminum plating part will be removed and the bead will be cut before making the ERW pipe. Beads can be cut stably without aluminum adhering to the cutting tool. Here, the plating removal range is within 10 mm from the end of the steel plate. this is,
This is to prevent the cutting width of the cutting tool from being 10 mm or less and wide (removing the plating will expose a wide area of the base material (common steel, etc.) and reduce corrosion resistance.
次に本発明を第１図〜第３図により詳細に説明する。Next, the present invention will be explained in detail with reference to FIGS. 1 to 3.
第１図に示すように、アルミメッキ鋼板ｌの端部２のア
ルミメッキ層３を、例えば切削バイト４で切削除去する
。その後、鋼板１を円形に成形すると、第２図のような
断面となる。Ａはアルミメッキ層３を除去した部分であ
る。第２図の状態からシーム部を溶接すると第３図のよ
うな鋼管５となる。アルミメッキ層３を除去したＡ部は
、溶接ビード６か凸状にできてもアルミメッキ層３かな
く、後工程での溶接ビード切削工程で容易に切削除去が
可能となる。As shown in FIG. 1, the aluminum plating layer 3 on the end portion 2 of the aluminized steel plate l is removed by cutting, for example, with a cutting tool 4. Thereafter, the steel plate 1 is formed into a circular shape, resulting in a cross section as shown in FIG. A is the part where the aluminum plating layer 3 has been removed. If the seam portion is welded from the state shown in FIG. 2, the steel pipe 5 as shown in FIG. 3 will be obtained. Part A from which the aluminum plating layer 3 has been removed does not have the aluminium plating layer 3 even if the weld bead 6 is formed in a convex shape, and can be easily removed in the weld bead cutting process in the subsequent process.
尚、アルミメッキ層を片面のみでなく表裏面切削し、内
外面ビード部にアルミメッキ層がないようにしてもよい
。Note that the aluminum plating layer may be cut not only on one side but also on the front and back surfaces so that there is no aluminum plating layer on the inner and outer bead portions.
又、メッキ鋼管はアルミメッキ鋼管、亜鉛メッキ鋼管等
に用いると有利なものである。Further, plated steel pipes are advantageously used as aluminized steel pipes, galvanized steel pipes, and the like.
（実施例） 次に実施例をあげて本発明を具体的に説明する。(Example) Next, the present invention will be specifically explained with reference to Examples.
表−１は普通鋼及びステンレス鋼の表面にアルミメッキ
を施したものを電縫溶接し、各内面ビード切削条件にお
ける内面ビード切削時の切削バイトにアルミが付着して
切削不能になるまでの切削延長さの実験結果を示してい
る。Table 1 shows the cutting results obtained by ERW welding ordinary steel and stainless steel with aluminium-plated surfaces under various inner bead cutting conditions until aluminum adheres to the cutting tool during inner bead cutting and cutting becomes impossible. Experimental results of elongation are shown.
この実験結果かられかるように、従来切削延長さは約１
０００ｍか限界で、その都度造管機を停止させ、内面ビ
ード切削バイトの交換か必要であるか、鋼板の端部のア
ルミメッキを２１１１ｍ以上除去すると約３０００ｍ以
上切削可能で、４ ｍｍ以上アルミメッキを除去すると
５０００ｍ以上切削してもバイトにアルミが付着するこ
とがなかった。As can be seen from this experimental result, the conventional cutting length is approximately 1
At the limit of 000m, it is necessary to stop the pipe making machine each time and replace the inner bead cutting tool.If more than 2111m of aluminum plating on the edge of the steel plate is removed, it is possible to cut more than 3000m, and it is possible to cut more than 4mm aluminized. When the aluminum was removed, no aluminum adhered to the cutting tool even after cutting over 5000 m.
尚、この時の電縫鋼管のサイズは外径４２．７ｍｍ、厚
み１．５柵である。The size of the electric resistance welded steel pipe at this time was 42.7 mm in outer diameter and 1.5 mm in thickness.
（発明の効果）
本発明によればメッキ鋼管の溶接ビード切削が容易にな
され、切削バイトの取替頻度が少なくなり、その効果は
極めて大きいものである。(Effects of the Invention) According to the present invention, weld bead cutting of plated steel pipes can be easily performed, and the frequency of replacing the cutting tool is reduced, resulting in extremely large effects.
第１図はメッキ鋼板の端部のメッキ層を切削除去する状
態を示す説明図、
第２図はメッキ鋼板を円形に成形した状態を示す断面図
、
第３図はメッキ鋼板を鋼管にした状態を示す断面図であ
る。
■・・・アルミメッキ鋼板、２・・・端部、３・・・ア
ルミメッキ層、４・・・切削バイト、５・・・鋼管、６
・・・溶接ビード。
代理人 弁理士 秋 沢 政 光
他１名Figure 1 is an explanatory diagram showing the state in which the plating layer at the end of a plated steel plate is cut and removed. Figure 2 is a cross-sectional view showing the state in which the plated steel plate is formed into a circular shape. Figure 3 is the state in which the plated steel plate is made into a steel pipe. FIG. ■...Aluminized steel plate, 2...End, 3...Aluminium-plated layer, 4...Cutting tool, 5...Steel pipe, 6
···Weld bead. Agent: Patent attorney Masamitsu Akizawa and 1 other person
Claims (1)
を円形に成形し溶接して鋼管とし、次いで溶接ビード部
を切削することを特徴とするメッキ鋼管のビード切削方
法。(1) A method for bead cutting a plated steel pipe, which comprises removing the plating on the end of a plated steel plate in advance, forming the steel plate into a circular shape and welding it into a steel pipe, and then cutting the weld bead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13826590A JPH0433799A (en) | 1990-05-30 | 1990-05-30 | Method for cutting bead of plated steel tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13826590A JPH0433799A (en) | 1990-05-30 | 1990-05-30 | Method for cutting bead of plated steel tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0433799A true JPH0433799A (en) | 1992-02-05 |
Family
ID=15217893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13826590A Pending JPH0433799A (en) | 1990-05-30 | 1990-05-30 | Method for cutting bead of plated steel tube |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0433799A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111247266A (en) * | 2017-11-20 | 2020-06-05 | 日本制铁株式会社 | Al-plated welded pipe for quenching, Al-plated hollow member, and method for producing same |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5542104A (en) * | 1978-09-18 | 1980-03-25 | Nisshin Steel Co Ltd | Production of aluminum plated or aluminum alloy plated steel pipe |
| JPS5948710A (en) * | 1982-09-10 | 1984-03-21 | Sumitomo Electric Ind Ltd | Fiber scope |
-
1990
- 1990-05-30 JP JP13826590A patent/JPH0433799A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5542104A (en) * | 1978-09-18 | 1980-03-25 | Nisshin Steel Co Ltd | Production of aluminum plated or aluminum alloy plated steel pipe |
| JPS5948710A (en) * | 1982-09-10 | 1984-03-21 | Sumitomo Electric Ind Ltd | Fiber scope |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111247266A (en) * | 2017-11-20 | 2020-06-05 | 日本制铁株式会社 | Al-plated welded pipe for quenching, Al-plated hollow member, and method for producing same |
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