JP2503380B2 - Flat wire manufacturing method - Google Patents
Flat wire manufacturing methodInfo
- Publication number
- JP2503380B2 JP2503380B2 JP3035649A JP3564991A JP2503380B2 JP 2503380 B2 JP2503380 B2 JP 2503380B2 JP 3035649 A JP3035649 A JP 3035649A JP 3564991 A JP3564991 A JP 3564991A JP 2503380 B2 JP2503380 B2 JP 2503380B2
- Authority
- JP
- Japan
- Prior art keywords
- wire
- section
- rectangular
- cross
- manufacturing
- 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 - Lifetime
Links
Landscapes
- Metal Rolling (AREA)
- Non-Insulated Conductors (AREA)
- Processes Specially Adapted For Manufacturing Cables (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、平角線の製造方法に関
し、特に複合タイプの平角線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 rectangular wire, and more particularly to a method for manufacturing a composite type rectangular wire.
【０００２】[0002]
【従来の技術】近年、電線等の線材として断面円形状の
ものに加え、断面矩形状の平角線が使用されるようにな
った。2. Description of the Related Art In recent years, in addition to a wire having a circular cross section, a flat wire having a rectangular cross section has been used as a wire material such as an electric wire.
【０００３】図４には、従来の製造方法による線材の断
面形状の変化が示されている。図において、（Ａ）が圧
延加工前の複合線材１０の断面、（Ｂ）が圧延加工後の
平角線の断面形状を示す。複合線材１０は、中心のコア
材１２とその周囲に形成された錫，アルミニウム等の軟
質金属の被覆材１４とによる複合構造を採り、複合線材
１０を矩形断面に成形する際には、矩形の凹部を有する
圧延ロールを通過させている。FIG. 4 shows a change in cross-sectional shape of a wire rod by a conventional manufacturing method. In the figure, (A) shows the cross section of the composite wire 10 before rolling, and (B) shows the cross-sectional shape of the rectangular wire after rolling. Composite wire 10 may take a core material 12 of the central tin that formed around the composite structure by the covering member 14 of a soft metal such as aluminum, when forming the composite wire 10 into a rectangular cross section, rectangular It passes through a rolling roll having a recess.
【０００４】ところが、このように円形断面の複合線材
１０から直接圧延加工によって矩形に成形すると、被覆
層の幅方向へのメタルフローが角部に集中してしまい、
複合線材１０の角部にバリ１６が形成されてしまう。平
角線にバリ１６が形成されると、当該バリ１６の部分か
ら被覆材１４が剥離し、製品の品質を低下させる。However, when the composite wire 10 having a circular cross section is directly formed into a rectangle by the rolling process, the metal flow in the width direction of the coating layer concentrates at the corners.
Burrs 16 are formed at the corners of the composite wire 10. When the burr 16 is formed on the rectangular wire, the covering material 14 is peeled off from the burr 16 portion, which deteriorates the quality of the product.
【０００５】このため、従来は被覆材１４の厚みを薄く
したり、圧延時の圧下率を下げることによってバリ１６
の縮小化を図っていた。また、バリ１６が発生した場合
には、圧延加工後に熱処理によってバリ１６を溶融させ
ることによって、バリ１６を除去していた。Therefore, conventionally, the burr 16 is made thin by reducing the thickness of the covering material 14 or by reducing the rolling reduction rate during rolling.
Was being reduced. Further, when the burr 16 is generated, the burr 16 is removed by melting the burr 16 by heat treatment after rolling.
【０００６】[0006]
【発明が解決しようとする課題】しかしながら、上記の
ように被覆材１４の厚みを薄くしたり、圧延時の圧下率
を下げる方法では、平角線の製造範囲（構造条件）が限
定されてしまう。However, in the method of reducing the thickness of the covering material 14 or decreasing the rolling reduction during rolling as described above, the manufacturing range (structural conditions) of the rectangular wire is limited.
【０００７】また、圧延加工後に熱処理によってバリ１
６を溶融させる方法は、被覆材１４が低融点の場合に限
定される他、製造工程の増加により製造コストのアップ
につながるという問題点があった。Also, after the rolling process, a burr 1 is formed by heat treatment.
The method of melting No. 6 is limited to the case where the coating material 14 has a low melting point, and there is a problem that the manufacturing cost increases due to an increase in the manufacturing process.
【０００８】[0008]
【発明の目的】本発明はかかる点に鑑みてなされたもの
であり、低コスト、且つ被覆層の厚さ等の構造上の制限
を受けずに角部にバリのない高品質な平角線を製造でき
る平角線の製造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 circumstances, and provides a high-quality rectangular wire which is low in cost and free from burrs at its corners without structural restrictions such as the thickness of the coating layer. It is an object of the present invention to provide a method for manufacturing a rectangular wire that can be manufactured.
【０００９】[0009]
【課題を解決するための手段】本発明は上記目的を達成
するために、圧延加工等によって外周部に軟質金属の被
覆層を有する断面矩形の平角線を製造する平角線の製造
方法において、断面円形の線材の周上に軟質金属の被覆
層を形成した複合線材の断面を楕円状に成形し、次いで
矩形に成形している。 In order to achieve the above object, the present invention provides a soft metal coating on the outer periphery by rolling or the like.
Manufacturing rectangular wire having rectangular cross section with covering layer
Method for coating soft metal on the circumference of a wire having a circular cross section
The cross section of the layered composite wire is formed into an elliptical shape, and then
It is shaped like a rectangle.
【００１０】[0010]
【作用】上記のように本発明に係る平角線の製造方法に
おいては、断面円形の線材の周上に軟質金属の被覆層を
形成した複合線材の断面を楕円状に成形し、次いで矩形
に成形しているため、複合線材を成形する時に、被覆層
の幅方向へのメタルフローが角部に集中せずに全体に分
散される。As described above, in the method for manufacturing a rectangular wire according to the present invention , a soft metal coating layer is provided on the circumference of a wire having a circular cross section.
The cross section of the formed composite wire is formed into an elliptical shape, and then rectangular
Since the metal wire is molded into a metal wire , the metal flow in the width direction of the coating layer is dispersed over the entire corner without being concentrated in the corner when the composite wire is molded .
【００１１】[0011]
【実施例】以下、本発明の一実施例を添付図面を参照し
つつ詳細に説明する。図１には実施例に係る平角線の製
造装置２０の概略構成が示されている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail below with reference to the accompanying drawings. FIG. 1 shows a schematic configuration of a flat wire manufacturing apparatus 20 according to an embodiment.
【００１２】この製造装置２０は、断面円形の線材の周
上に軟質金属の被覆層を形成した複合線材１０を供給す
る線材供給リール２２と、圧延加工された複合線材１０
を巻き取る巻取リール２４と、複合線材１０の移送をカ
イドする２つのガイドロール２６，２８と、複合線材１
０の張力を調整するダンサーロール３０，３２と、第１
パスを実行する引抜き加工ロール３４，３５と、第２パ
スを実行する圧延ロールセット３６と、複合線材１０を
駆動する駆動ローラ３８とから構成されている。This manufacturing apparatus 20 is provided with a wire rod having a circular cross section.
A wire rod supply reel 22 for supplying the composite wire rod 10 having a soft metal coating layer formed thereon, and a rolled composite wire rod 10.
A take-up reel 24 that winds the composite wire, two guide rolls 26 and 28 that guide the transfer of the composite wire 10, and the composite wire 1
Dancer rolls 30, 32 for adjusting the tension of 0 and the first
The drawing processing rolls 34 and 35 that perform a pass, the rolling roll set 36 that performs a second pass, and the drive roller 38 that drives the composite wire rod 10 are configured.
【００１３】図２には、本実施例の特徴部分である引抜
き加工ロール３４，３５の構成が示されている。引抜き
加工ロール３４，３５は、外周の略中央に半楕円状の凹
部３４ａ，３５ａがそれぞれ形成されており、両者を対
向当接させることによって、当接部分に楕円状の隙間が
形成されるようになっている。FIG. 2 shows the construction of the drawing rolls 34, 35, which is a characteristic part of this embodiment. The drawing rolls 34, 35 have semi-elliptical recesses 34a, 35a respectively formed at substantially the center of their outer circumferences, and by making them face each other, an elliptical gap is formed in the contact portion. It has become.
【００１４】次に、以上のように構成された製造装置２
０を用いた本実施例に係る平角線の製造方法について、
図１及び図２に加えて図３を参照して説明する。図３に
は、製造装置２０によって加工される複合線材１０の断
面形状の変化が示されている。Next, the manufacturing apparatus 2 configured as described above
Regarding the manufacturing method of the rectangular wire according to the present embodiment using 0,
Description will be made with reference to FIG. 3 in addition to FIGS. 1 and 2. FIG. 3 shows changes in the cross-sectional shape of the composite wire rod 10 processed by the manufacturing apparatus 20.
【００１５】供給リール２２から供給された複合線材１
０のＡ点における断面は、図３（Ａ）に示されているよ
うに円形状をしている。複合線材１０は、駆動ローラ３
８によって駆動され、引抜き加工ロール３４，３５によ
り、Ｂ点における断面は図３（Ｂ）のように楕円状とな
る。次に複合線材１０は圧延ロールセット３６によって
圧延加工され、Ｃ点における断面は図３（Ｃ）のように
略矩形状に成形される。この際、複合線材１０は既に楕
円状に成形されているため、被覆材１４の幅方向へのメ
タルフローが角部に集中せずに分散され、角部にバリの
ない外周滑らかな平角線が製造される。The composite wire 1 supplied from the supply reel 22
The cross section at point A of 0 has a circular shape as shown in FIG. The composite wire 10 includes a drive roller 3
8 and driven by the drawing rolls 34 and 35, the cross section at the point B becomes elliptical as shown in FIG. 3 (B). Next, the composite wire rod 10 is rolled by the rolling roll set 36, and the cross section at the point C is formed into a substantially rectangular shape as shown in FIG. At this time, since the composite wire rod 10 is already formed into an elliptical shape, the metal flow in the width direction of the covering material 14 is dispersed without being concentrated in the corner portions, and a smooth outer peripheral flat wire without burrs is formed in the corner portions. Manufactured.
【００１６】なお、上記実施例においては、複合線材１
０の断面を楕円状に成形するのに引抜加工を採用してい
るが、引抜加工に限定されず圧延加工等他の加工方法で
あっても差し支えない。また、楕円成形，矩形成形の２
パスによって最終的な形態に成形しているが、３パス以
上の工程を経るようにしても良い。In the above embodiment, the composite wire rod 1
Although the drawing process is adopted to form the cross section of 0 into an elliptical shape, the drawing process is not limited to the drawing process and other processing methods such as rolling process may be used. In addition, 2 of oval molding and rectangular molding
Although the final shape is formed by the pass, the process may be performed through three or more passes.
【００１７】[0017]
【発明の効果】以上説明したように、本発明において
は、断面円形の線材の周上に軟質金属の被覆層を形成し
た複合線材の断面を楕円状に成形し、次いで矩形に成形
しているため、圧延加工等によって最終的に断面を矩形
に成形する際に、前記複合線材の被覆層の幅方向へのメ
タルフローが角部に集中せずに全体に分散され、従っ
て、被覆層の厚さ等を調整することなく、角部にバリの
ない高品質な平角線を容易、且つ低コストで製造できる
という効果がある。As described above, in the present invention, the soft metal coating layer is formed on the circumference of the wire having a circular cross section.
The cross section of the composite wire rod is formed into an elliptical shape and then into a rectangle
To order that, when forming the final section by rolling or the like into a rectangular, metal flow in the width direction of the coating layer of the composite wire is dispersed throughout without concentrating on the corner portion, thus, the coating There is an effect that a high-quality rectangular wire without burrs at corners can be easily manufactured at low cost without adjusting the layer thickness and the like.
【図１】図１は、実施例に係る平角線の製造装置の構成
を示す概略図である。FIG. 1 is a schematic diagram showing a configuration of a flat wire manufacturing apparatus according to an embodiment.
【図２】図２は、実施例の要部の構成を示す正面図であ
る。FIG. 2 is a front view showing a configuration of a main part of the embodiment.
【図３】図３（Ａ），（Ｂ），（Ｃ）は、実施例の作用
を示す断面図である。3 (A), (B), and (C) are cross-sectional views showing the operation of the embodiment.
【図４】図４は（Ａ），（Ｂ）は、従来技術の作用を示
す断面図である。4A and 4B are cross-sectional views showing the operation of the conventional technique.
１０ 複合線材 １２ コア材 １４ 被覆材 １６ バリ ２０ 平角線製造装置 ２２ 線材供給リール ２４ 巻取リール ２６，２８ ガイドローラ ３０，３２ ダンサーローラ ３４，３５ 引抜き加工ロール ３４ａ，３５ａ 楕円形凹部 ３６ 圧延ロールセット ３８ 駆動ローラ10 composite wire material 12 core material 14 coating material 16 burr 20 flat wire manufacturing device 22 wire material supply reel 24 winding reel 26, 28 guide roller 30, 32 dancer roller 34, 35 drawing roll 34a, 35a elliptical recess 36 rolling roll set 38 Drive roller
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭53−59873（ＪＰ，Ａ) 特開 昭54−43584（ＪＰ，Ａ) 特開 昭56−95403（ＪＰ，Ａ) 特開 昭58−167087（ＪＰ，Ａ) 特開 昭59−207509（ＪＰ，Ａ) 特開 平２−215008（ＪＰ，Ａ) ─────────────────────────────────────────────────── ─── Continuation of the front page (56) Reference JP-A-53-59873 (JP, A) JP-A-54-43584 (JP, A) JP-A-56-95403 (JP, A) JP-A-58- 167087 (JP, A) JP 59-207509 (JP, A) JP 2-215008 (JP, A)
Claims (1)
覆層を有する断面矩形の平角線を製造する平角線の製造
方法において、断面円形の線材の周上に軟質金属の被覆
層を形成した複合線材の断面を楕円状に成形し、次いで
矩形に成形することを特徴とする平角線の製造方法。1. A soft metal coating is applied to the outer peripheral portion by rolling or the like.
In a method for manufacturing a rectangular wire having a rectangular cross section having a covering layer, a soft metal coating is provided on the circumference of a wire having a circular cross section.
The cross section of the layered composite wire is formed into an elliptical shape, and then
A method for manufacturing a rectangular wire, which is characterized in that the rectangular wire is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3035649A JP2503380B2 (en) | 1991-02-04 | 1991-02-04 | Flat wire manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3035649A JP2503380B2 (en) | 1991-02-04 | 1991-02-04 | Flat wire manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04249011A JPH04249011A (en) | 1992-09-04 |
| JP2503380B2 true JP2503380B2 (en) | 1996-06-05 |
Family
ID=12447726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3035649A Expired - Lifetime JP2503380B2 (en) | 1991-02-04 | 1991-02-04 | Flat wire manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2503380B2 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4435402A1 (en) * | 1994-10-04 | 1996-04-11 | Thyssen Draht Ag | Process for the surface coating of profile wires |
| DE19757331C1 (en) | 1997-12-22 | 1999-05-06 | Siemens Ag | Multicore superconductor strip production process includes a flat rolling operation |
| JP2010089099A (en) | 2008-10-03 | 2010-04-22 | Aisin Seiki Co Ltd | Roller die device, method for manufacturing insulator coil, and wire winding apparatus |
| JP5585544B2 (en) * | 2011-06-20 | 2014-09-10 | 日立金属株式会社 | Manufacturing method of flat enameled wire |
| JP5737273B2 (en) * | 2012-11-15 | 2015-06-17 | 株式会社デンソー | Stator winding and method for manufacturing stator winding |
| CN113695399B (en) * | 2021-09-14 | 2023-03-03 | 鞍钢股份有限公司 | Rolling method for square billet of bimetal composite large round billet |
| CN114334281A (en) * | 2021-12-29 | 2022-04-12 | 苏州南达金属科技有限公司 | Preparation process of copper-clad aluminum flat wire stretched and rolled by mold |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5359873A (en) * | 1976-11-10 | 1978-05-30 | Yasuma Nagaoka | Method of manufacturing insulated wire |
| JPS5917483B2 (en) * | 1977-09-13 | 1984-04-21 | 住友電気工業株式会社 | Manufacturing method of flat insulated wire |
| JPS5695403A (en) * | 1979-12-28 | 1981-08-01 | Fujikura Ltd | Manufacture of flat wire |
| JPS58167087A (en) * | 1982-03-26 | 1983-10-03 | Mitsubishi Heavy Ind Ltd | Production of conductive rod |
| JPS59207509A (en) * | 1983-05-11 | 1984-11-24 | 住友電気工業株式会社 | Method of producing flat type insulated wire |
| JPH02215008A (en) * | 1989-02-16 | 1990-08-28 | Hitachi Cable Ltd | Manufacture of composite flat rectangular wire |
-
1991
- 1991-02-04 JP JP3035649A patent/JP2503380B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04249011A (en) | 1992-09-04 |
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