JP3404941B2 - Wire drawing method - Google Patents
Wire drawing methodInfo
- Publication number
- JP3404941B2 JP3404941B2 JP31615894A JP31615894A JP3404941B2 JP 3404941 B2 JP3404941 B2 JP 3404941B2 JP 31615894 A JP31615894 A JP 31615894A JP 31615894 A JP31615894 A JP 31615894A JP 3404941 B2 JP3404941 B2 JP 3404941B2
- Authority
- JP
- Japan
- Prior art keywords
- wire
- diameter
- wire diameter
- final
- drawing method
- 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
- 238000005491 wire drawing Methods 0.000 title claims description 28
- 238000000034 method Methods 0.000 title claims description 8
- 239000000463 material Substances 0.000 claims description 13
- 239000002994 raw material Substances 0.000 claims description 7
- 238000004804 winding Methods 0.000 claims description 7
- 238000005098 hot rolling Methods 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims 3
- 229910045601 alloy Inorganic materials 0.000 claims 1
- 239000000956 alloy Substances 0.000 claims 1
- 238000005097 cold rolling Methods 0.000 claims 1
- 229910052802 copper Inorganic materials 0.000 claims 1
- 239000010949 copper Substances 0.000 claims 1
- 230000003247 decreasing effect Effects 0.000 claims 1
- 238000001125 extrusion Methods 0.000 claims 1
- 238000009749 continuous casting Methods 0.000 description 7
- 230000006866 deterioration Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 210000003298 dental enamel Anatomy 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
Landscapes
- Metal Extraction Processes (AREA)
Description
【０００１】[0001]
【産業上の利用分野】この発明は、細径の線材の製造に
関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the manufacture of a wire having a small diameter.
【０００２】[0002]
【従来の技術】従来、素材から最終線径まで伸線加工を
実施する際は、伸線機により規定される所定の線径で巻
き取られた後、伸線方向を前段の伸線機と逆転する方向
でサプライされ、順次伸線加工される。2. Description of the Related Art Conventionally, when carrying out wire drawing from a raw material to a final wire diameter, the wire is drawn with a predetermined wire diameter specified by the wire drawing machine, and then the wire drawing direction is changed to that of the former wire drawing machine. It is supplied in the reverse direction, and wire drawing is performed sequentially.
【０００３】[0003]
【発明が解決しようとする課題】線材の表面には素材か
ら存在する傷や伸線加工時、運搬時、巻取り時などで付
与される傷が存在するが、このような傷は伸線加工され
るに従い変形されていく。しかし、伸線方向が逆転され
るとこの傷の先端部が伸線工程でのパスラインやダイス
で引っかかるために表面状態が悪化したり、断線に至っ
たりする。The surface of a wire material has scratches existing from the material and scratches given during wire drawing, transportation, winding, etc. It will be transformed as it is done. However, when the wire drawing direction is reversed, the tip of this scratch is caught by a pass line or a die in the wire drawing process, which deteriorates the surface condition and leads to wire breakage.
【０００４】[0004]
【課題を解決するための手段】本発明においては、素材
から最終線径に至るまで同一方向で伸線することによ
り、傷の先端部が伸線工程でのパスラインやダイスで引
っかかり表面状態が悪化したり、断線に至ったりするこ
とを防止でき、表面状態の優れた線材や伸線加工時の断
線を減少させることができる。そのためには、素材から
最終線径まで加工する際に、巻取り、巻き変えを行うこ
とにより伸線方向を同一とすることにより、表面状態の
優れた線材が得られ、また伸線加工時の断線回数を減少
させることができる。また、本発明は最終線径の断面積
が素材の断面積の１０％以下となるまで伸線加工される
場合に適用されることが望ましい。また、本発明は最終
線径が１００μｍ以下まで伸線加工する際に効果が大き
い。According to the present invention, by drawing in the same direction from the material to the final wire diameter, the tip of the scratch is caught by a pass line or a die in the wire drawing process and the surface condition is It is possible to prevent deterioration or breakage, and it is possible to reduce breakage during wire drawing with a wire material having an excellent surface condition. For that purpose, when processing from the material to the final wire diameter, by winding and rewinding so that the drawing direction is the same, a wire material with an excellent surface condition can be obtained, and during wire drawing processing The number of disconnections can be reduced . Also, the present invention is preferably the cross-sectional area of the final wire diameter is applied when it is drawn to have equal to or less than 10% of the cross-sectional area of the material. Further, the present invention has a great effect when wire drawing is performed until the final wire diameter is 100 μm or less.
【０００５】[0005]
【実施例】[実施例１]
連続鋳造・熱間圧延により得られた８ｍｍのアルミニウ
ム線（純度９９重量％）を素材とし、伸線加工により最
終線径１．２ｍｍの線材を得た。この際、線径２．６ｍ
ｍで一旦巻取り、その後巻き変えを行うことにより伸線
方向を同一とした。
[実施例２]
連続鋳造・熱間圧延により得られた線径８ｍｍの銅線
（純度９９．９重量％）を素材とし、伸線加工により最
終線径１８０μｍの線材を得た。この際、線径２．６ｍ
ｍ、０．６ｍｍでそれぞれ一旦巻取り、その後巻き変え
を行うことにより伸線方向を同一とした。
[実施例３]
連続鋳造により得られた線径２０ｍｍの銅合金線（Ｓｎ
１重量％および不可避的不純物）を素材とし、伸線加工
により最終線径１２０μｍの線材を得た。この際、線径
８ｍｍ、２．６ｍｍ、０．６ｍｍでそれぞれ一旦巻取
り、その後巻き変えを行うことにより伸線方向を同一と
した。
[従来例１]
連続鋳造・熱間圧延により得られた８ｍｍのアルミニウ
ム線（純度９９重量％）を素材とし、伸線加工により最
終線径１．２ｍｍの線材を得た。この際、線径２．６ｍ
ｍで一旦巻き取り、その後伸線方向を逆方向とした。
[従来例２]
連続鋳造・熱間圧延により得られた線径８ｍｍの銅線
（純度９９．９重量％）を素材とし、伸線加工により最
終線径１８０μｍの線材を得た。この際、線径２．６ｍ
ｍ、０．６ｍｍでそれぞれ一旦巻き取り、伸線方向がそ
れぞれ逆方向となるようにした。
[従来例３]
加熱鋳型を用いた連続鋳造により得られた線径２ｍｍの
銅線（純度９９．９９重量％）を素材とし、伸線加工に
より、最終線径５０μｍの線材を得た。この際、線径
０．６ｍｍで一旦巻取り、その後伸線方向を逆方向とし
た。
[従来例４]連
続鋳造により得られた線径２０ｍｍの銅合金線（Ｓｎ
１重量％および不可避的不純物）を素材とし、伸線加工
により最終線径１２０μｍの線材を得た。この際、線径
８ｍｍ、２．６ｍｍ、０．６ｍｍでそれぞれ一旦巻き取
り、伸線方向がそれぞれ逆方向となるようにした。[Examples] [Example 1] A wire rod having a final wire diameter of 1.2 mm was obtained by wire drawing using an aluminum wire of 8 mm (purity 99% by weight) obtained by continuous casting and hot rolling. At this time, wire diameter 2.6m
The wire drawing direction was made the same by winding once at m and then rewinding. [Example 2] A copper wire having a wire diameter of 8 mm (purity: 99.9% by weight) obtained by continuous casting and hot rolling was used as a raw material, and a wire having a final wire diameter of 180 µm was obtained by wire drawing. At this time, wire diameter 2.6m
The wire drawing direction was made the same by once winding m and 0.6 mm respectively and then rewinding. [Example 3 ] A copper alloy wire (Sn having a wire diameter of 20 mm obtained by continuous casting)
1% by weight and inevitable impurities) were used as raw materials and wire drawing was performed to obtain a wire rod having a final wire diameter of 120 μm. At this time, the wire drawing directions were made the same by once winding the wire with a wire diameter of 8 mm, 2.6 mm, and 0.6 mm and then rewinding. [Conventional Example 1] A wire rod having a final wire diameter of 1.2 mm was obtained by wire drawing using an 8 mm aluminum wire (purity: 99% by weight) obtained by continuous casting and hot rolling. At this time, wire diameter 2.6m
The wire was once wound at m and then the drawing direction was reversed. [Conventional Example 2] A copper wire having a wire diameter of 8 mm (purity: 99.9% by weight) obtained by continuous casting and hot rolling was used as a raw material, and a wire having a final wire diameter of 180 µm was obtained by wire drawing. At this time, wire diameter 2.6m
m, winding once each with 0.6 mm, wire drawing direction is set to be opposite directions. [Conventional Example 3] A copper wire having a wire diameter of 2 mm (purity: 99.99% by weight) obtained by continuous casting using a heating mold was used as a raw material, and a wire rod having a final wire diameter of 50 µm was obtained by drawing. At this time, the wire was once wound with a wire diameter of 0.6 mm, and then the wire drawing direction was reversed. [Conventional Example 4] Copper alloy wire having a diameter 20mm obtained by continuous casting (Sn
1% by weight and inevitable impurities) were used as raw materials and wire drawing was performed to obtain a wire rod having a final wire diameter of 120 μm. At this time, we wound once respectively wire diameter 8 mm, 2.6 mm, 0.6 mm, wire drawing direction is set to be opposite directions.
【０００６】このようにして得られた最終線径での線材
の表面状態を観察し、２０ヶ所での平均最大表面粗さを
測定した。また、伸線量１０ｔ当たりの断線回数を測定
した。これらの結果を表１に示す。表面状態および断線
回数測定結果を示す表１から、本発明により線材の表面
状態の悪化が防止できるとともに、断線回数も減少でき
ることがわかる。The surface condition of the wire rod thus obtained at the final wire diameter was observed, and the average maximum surface roughness at 20 points was measured. In addition, the number of wire breakages per 10 ton of wire extension was measured. The results are shown in Table 1. From Table 1 showing the measurement results of the surface state and the number of wire breakages, it can be seen that the present invention can prevent the deterioration of the surface state of the wire and reduce the number of wire breaks.
【０００７】[0007]
【表１】 [Table 1]
【０００８】[0008]
【発明の効果】本発明により、表面状態の優れた線材を
得ることができることにより、その後被覆線やエナメル
線に加工した際の耐圧不良などが防止できる。また、本
発明により伸線加工中の断線回数が減少することにより
生産性が向上する。EFFECTS OF THE INVENTION According to the present invention, a wire material having an excellent surface condition can be obtained, so that it is possible to prevent a withstand voltage failure when it is subsequently processed into a covered wire or an enamel wire. Further, according to the present invention, the number of wire breakages during wire drawing is reduced, so that the productivity is improved.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 西川 太一郎 大阪府大阪市此花区島屋一丁目１番３号 住友電気工業株式会社大阪製作所内 (56)参考文献 特開 昭59−107718（ＪＰ，Ａ) 特開 平４−274815（ＪＰ，Ａ) 特開 昭54−9111（ＪＰ，Ａ) 特開 昭51−142496（ＪＰ，Ａ) (58)調査した分野(Int.Cl.7，ＤＢ名) B21C 1/00 - 9/02 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Taichiro Nishikawa, 1-3-1 Shimaya, Konohana-ku, Osaka City, Osaka Prefecture Sumitomo Electric Industries, Ltd. (56) Reference JP-A-59-107718 (JP, A) ) JP-A-4-274815 (JP, A) JP-A-54-9111 (JP, A) JP-A-51-142496 (JP, A) (58) Fields investigated (Int.Cl. 7 , DB name) B21C 1/00-9/02
Claims (5)
延、押し出しなどにより得られた素材を伸線加工により
線径を減少させる方向において、素材から最終線径に至
る間に１回乃至複数回巻取り及び巻き変えを行うことに
より、素材から最終線径まで同一方向に伸線加工するこ
とを特徴とする伸線方法。1. A material obtained by casting, hot rolling after casting, cold rolling after casting, extrusion or the like is drawn from a raw material to a final wire diameter in the direction of decreasing the wire diameter by wire drawing.
During one or more times of winding and rewinding during
The wire drawing method is characterized in that the wire is drawn in the same direction from the material to the final wire diameter.
の断面積の１０％以下である請求項１に記載の伸線方
法。2. A drawing method according to claim 1 the cross-sectional area in the final wire size is 10% or less of the sectional area of the material.
求項１または２に記載の伸線方法。3. A drawing method according to claim 1 or 2 wherein the final wire diameter of 100μm or less.
１ないし３のいずれかに記載の伸線方法。4. A drawing method according to any one of 3 to the material is no claim 1, which is a copper or copper alloy.
ウム合金である請求項１ないし３のいずれかに記載の伸
線方法。5. A drawing method according to any one of 3 to the material claims 1 aluminum or Arumini <br/> um alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31615894A JP3404941B2 (en) | 1994-12-20 | 1994-12-20 | Wire drawing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31615894A JP3404941B2 (en) | 1994-12-20 | 1994-12-20 | Wire drawing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08168810A JPH08168810A (en) | 1996-07-02 |
| JP3404941B2 true JP3404941B2 (en) | 2003-05-12 |
Family
ID=18073934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP31615894A Expired - Fee Related JP3404941B2 (en) | 1994-12-20 | 1994-12-20 | Wire drawing method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3404941B2 (en) |
-
1994
- 1994-12-20 JP JP31615894A patent/JP3404941B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH08168810A (en) | 1996-07-02 |
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