JP2001228363A - Method for manufacturing parts for optical fiber connector - Google Patents
Method for manufacturing parts for optical fiber connectorInfo
- Publication number
- JP2001228363A JP2001228363A JP2000104113A JP2000104113A JP2001228363A JP 2001228363 A JP2001228363 A JP 2001228363A JP 2000104113 A JP2000104113 A JP 2000104113A JP 2000104113 A JP2000104113 A JP 2000104113A JP 2001228363 A JP2001228363 A JP 2001228363A
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- Prior art keywords
- electroforming
- holding jig
- wire
- holding
- current
- Prior art date
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Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、光ファイバコネクタ部
品の製造方法に関するものであり、更に詳しく説明する
と、光ファイバコネクタは、断面が真円形で０．１２５
ｍｍφの太さの光ファイバを円筒形の管に通して支える
ことにより、光ファイバの中心にあるコア同士の位置を
正確に合わせて接続を図るものであり、いくつかの部品
で成り立っているが、その中心部にあって光ファィバを
保持する、一般にフェルールと言われる部品の製造方法
に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for manufacturing an optical fiber connector part, and more particularly, to a method for manufacturing an optical fiber connector.
By supporting an optical fiber with a diameter of mmφ through a cylindrical tube, the position of the cores at the center of the optical fiber is precisely aligned to achieve the connection, and consists of several parts. The present invention relates to a method of manufacturing a component generally called a ferrule, which holds an optical fiber at a central portion thereof.
【０００２】[0002]
【従来の技術】従来、光ファイバコネクタ用部品の一つ
であるフェルールは、例えば図１（ａ）（ｂ）に示すよ
うな形状であり、材質は、ジルコニアセラミックスを使
用したものが主流を占めている。図１（ａ）は、一心タ
イプのフェルール１で、太さ２ｍｍφ程度、長さ８ｍｍ
程度の円柱形状で中心に０．１２７ｍｍφ程度の真円形
孔２が穿孔されたものであり、図１（ｂ）は、二心タイ
プのものである。2. Description of the Related Art Conventionally, a ferrule, which is one of the components for an optical fiber connector, has, for example, a shape as shown in FIGS. 1 (a) and 1 (b), and is mainly made of zirconia ceramics. ing. FIG. 1A shows a single-core type ferrule 1 having a thickness of about 2 mmφ and a length of 8 mm.
A circular hole 2 having a diameter of about 0.127 mmφ is formed at the center of the column, and a two-core type is shown in FIG. 1 (b).
【０００３】一方、本発明者が、特願平１０−３７５３
７２号に於いて金属またはプラスチックの線を一本また
は複数本を母型に使用して電鋳し、当該線を除去した後
機械加工する方法によりニッケルなどの金属で製造した
金属製フェルールを提案している。[0003] On the other hand, the present inventor has disclosed in Japanese Patent Application No. 10-3753.
No. 72 proposes a metal ferrule made of metal such as nickel by electroforming using one or more wires of metal or plastic as a matrix, removing the wires and machining. are doing.
【０００４】当該特許においては、例えば図２に示すよ
うな概略の装置で電鋳を実施しており、詳しく説明する
と、図２においては、電鋳液３、プラス電極４、保持治
具５、空気撹拌ノズル６、バネ７、マイナス電極８、線
９で構成されている。[0004] In this patent, for example, electroforming is carried out by a device as schematically shown in FIG. 2. To be more specific, in FIG. 2, the electroforming solution 3, the positive electrode 4, the holding jig 5, It is composed of an air stirring nozzle 6, a spring 7, a negative electrode 8, and a wire 9.
【０００５】加温したスルファミン酸ニッケルなどを主
成分とする電鋳液３の中に円筒形のチタンバスケットに
ニッケル球を入れたプラス電極４を保持治具５を中心に
して四隅に配した構成とし、ステンレス線などの線９を
バネ７で引っ張った状態に固定したマイナス電極８のあ
る保持治具５を中心にセットして、エア撹拌ノズル６か
らエアを少量吹き出して撹拌しながら直流電流を流して
電鋳する方法が提案されているが、次のような問題点が
有った。[0005] A positive electrode 4 in which nickel spheres are placed in a cylindrical titanium basket in a heated electroforming liquid 3 mainly containing nickel sulfamate or the like is arranged at four corners around a holding jig 5. A wire 9 such as a stainless steel wire is set around a holding jig 5 having a minus electrode 8 fixed in a state where the wire 9 is pulled by a spring 7. A method of flowing and electroforming has been proposed, but has the following problems.
【０００６】四隅に配したプラス電極４の接点などの通
電性のバラツキ、プラス電極４のニッケル球の部分的な
詰まりによる空洞などが原因となって電鋳部分に偏肉が
よく発生し、これが原因となってフェルールの孔の中心
振れを発生していた。[0006] Uneven thickness often occurs in the electroformed portion due to variations in the electrical conductivity of the contacts of the plus electrode 4 arranged at the four corners and the like due to the partial clogging of the nickel sphere of the plus electrode 4. This caused the center runout of the ferrule hole.
【０００７】また、前記電鋳部分の偏肉の発生に伴い、
内部応力によって出来た電鋳品に曲りを発生する事がし
ばしばあり、これが原因となって後の機械加工時にフェ
ルールの孔の中心振れを発生していた。Further, with the occurrence of uneven thickness of the electroformed portion,
Bending often occurs in the electroformed product due to internal stress, which caused the center runout of the ferrule hole during subsequent machining.
【０００８】また通常は、一台の整流器で１０〜２０台
程の保持治具５に電流を流して生産するが、保持治具５
ごとの通電性に差の出ることが避けられず、これを原因
として出来た電鋳品に太さのバラツキが大きく出ること
があり、また最も細い保持治具の電鋳品を所定の太さま
でしなければならないために電鋳時間と電鋳金属のムダ
があり、そして後工程の機械加工に、太さを揃える工程
を一工程増やさなければならないなどの問題があった。[0008] Normally, one rectifier is used to produce current by passing current through about 10 to 20 holding jigs 5.
It is inevitable that there will be a difference in the electrical conductivity of each case, and this may cause large variations in the thickness of the electroformed product, and the electroformed product of the narrowest holding jig to the specified thickness Therefore, there is a problem that the electroforming time and the electroformed metal are wasted, and the machining process in the subsequent process has to increase the process of equalizing the thickness by one step.
【０００９】[0009]
【発明が解決しようとする課題】本発明は以上に鑑み、
金属線などの線の一本、もしくは複数本を母型に使用
し、電鋳後、当該線を除去するフェルールの製造方法に
於いて、±数ミクロンという極めて厳しい中心振れの精
度を容易にクリアし、また太さのバラツキを殆ど無くし
て所定の寸法を得ることにより、後工程である機械加工
において、センタレスによる仕上加工だけで所定の太さ
を得ることを容易にすることにより、手間を著しく少な
くして生産性を高め、電鋳によるフェルールの製造費用
を著しく下げることを課題としている。SUMMARY OF THE INVENTION The present invention has been made in view of the above,
One or more wires, such as metal wires, are used as a matrix, and after electroforming, the ferrule manufacturing method that removes the wires easily clears the extremely severe center deflection accuracy of ± several microns. In addition, by obtaining a predetermined size with almost no variation in thickness, in the subsequent machining process, it is easy to obtain a predetermined thickness only by a centerless finishing process, thereby significantly reducing labor. It is an object of the present invention to increase the productivity by reducing the amount, and to significantly reduce the manufacturing cost of the ferrule by electroforming.
【００１０】[0010]
【課題を解決するための手段】本発明は、前記課題を解
決するために、図３，図４に示すように線９を自転させ
ながら電鋳し、保持治具一台ごとの全てに積算電流計を
取り付け積算電流量を一定にする方法を採用した。According to the present invention, in order to solve the above-mentioned problems, as shown in FIGS. 3 and 4, the wire 9 is electroformed while rotating, and integrated into all the holding jigs. A method was adopted in which an ammeter was attached to make the integrated current amount constant.
【００１１】即ち図３は本発明に係る電鋳装置の一例で
あり概略の構成を示す平面図であるが、電鋳液３、プラ
ス電極４、保持治具５、マイナス電極８、電鋳槽１０、
保持治具自転用駆動モータ１１、ベルト１２、積算電流
計１３、滑車１４、治具固定用構造体１５で構成されて
おり、電鋳槽１０中に電鋳液３を入れ、加温し、濾過
し、撹拌した状態で、プラス電極４と個々の保持治具５
の全てに、マイナス電極８と積算電流計１３を連結し
て、よく管理した状態で直流電流を流し、保持治具回転
用駆動モータ１１の回転をベルト１２で滑車１４を介し
て治具固定用構造体１５の保持治具５に伝達して保持治
具５を自転させて電鋳し、一定の積算電流値なったら電
流を切る構成とした。That is, FIG. 3 is an example of an electroforming apparatus according to the present invention and is a plan view showing a schematic configuration. An electroforming solution 3, a positive electrode 4, a holding jig 5, a negative electrode 8, an electroforming tank 10,
It is composed of a holding jig rotation drive motor 11, a belt 12, an integrated ammeter 13, a pulley 14, and a jig fixing structure 15. The electroforming liquid 3 is put in an electroforming tank 10, and heated. After filtering and stirring, the plus electrode 4 and each holding jig 5
The negative electrode 8 and the integrating ammeter 13 are connected to all of them, and a DC current is supplied in a well-managed state. The structure was transmitted to the holding jig 5 of the structure 15, and the holding jig 5 was rotated and electroformed, and the current was cut off when a certain integrated current value was reached.
【００１２】さらに詳しく説明すると、電鋳液３は、目
的とする電鋳金属の材質で、それぞれ異なっているが、
例えばニッケル又はその合金、鉄又はその合金、銅又は
その合金、コバルト又はその合金、タングステン合金、
微粒子分散金属などの電鋳金属が採用可能であり、スル
ファミン酸ニツケル、塩化ニッケル、硫酸ニッケル、ス
ルファミン酸第一鉄、ホウフッ化第一鉄、ピロリン酸
胴、硫酸銅、ホウフッ化銅、ケイフッ化銅、チタンフッ
化銅、アルカノールスルフォン酸銅、硫酸コバルト、タ
ングステン酸ナトリウムなどの水溶液を主成分とする水
溶液、又は、これらの液に炭化ケイ素、炭化タングステ
ン、炭化ホウ素、酸化ジルコニウム、チッ化ケイ素、ア
ルミナ、ダイヤモンドなどの微粉末を分散させた液が使
用される。これらのうち特にスルファミン酸ニッケルを
主成分とする浴が、電鋳のやり易さ、硬度などの物性の
多様性、化学的安定性、溶接の容易性などの面で適して
いる。そして、電鋳液は、濾過精度０．１〜５μｍ程度
のフィルターで高速濾過し、また加温して±３℃程度の
適性温度範囲に温度コントロールし、また時々、活性炭
処理をして有機不純物を除去し、またニッケルメッキし
た鉄製の波板を陽極、カーボンを陰極にして０．２Ａ／
ｄｍ２程度の低電流密度で通電して銅などの金属不純物
を除去することが望ましい。More specifically, the electroforming liquid 3 differs depending on the material of the target electroformed metal.
For example, nickel or its alloy, iron or its alloy, copper or its alloy, cobalt or its alloy, tungsten alloy,
Nickel sulfamate, nickel chloride, nickel sulfate, ferrous sulfamate, ferrous borofluoride, pyrophosphate, copper sulfate, copper borofluoride, copper fluorosilicate , An aqueous solution mainly containing an aqueous solution such as titanium copper fluoride, copper alkanol sulfonate, cobalt sulfate, sodium tungstate, or silicon carbide, tungsten carbide, boron carbide, zirconium oxide, silicon nitride, alumina, A liquid in which fine powder such as diamond is dispersed is used. Among these, a bath containing nickel sulfamate as a main component is particularly suitable in terms of ease of electroforming, variety of physical properties such as hardness, chemical stability, and ease of welding. Then, the electroforming solution is filtered at high speed with a filter having a filtration accuracy of about 0.1 to 5 μm, and is heated to control the temperature within an appropriate temperature range of about ± 3 ° C., and is sometimes treated with activated carbon to remove organic impurities. Was removed, and a nickel-plated iron corrugated plate was used as an anode, and carbon was used as a cathode.
It is desirable to remove a metal impurity such as copper by applying a current at a low current density of about dm 2 .
【００１３】プラス電極４は、目的とする電鋳金属によ
り異なっており、ニッケル、鉄、銅、コバルトなどから
選定され、板状、球状のものを適宜使用する。球状のも
のを使用する場合は、チタン製バスケットに入れ、ポリ
エステル製の布袋で覆って使用すればよい。そして円形
の治具固定用構造体１５の中心にプラス電極４を配し
て、保持治具５の全てと等間隔の位置にするのが、電鋳
速度が一定になり、ほぼ同時間で電鋳が終了することか
ら望ましいが、プラス電極４の位置は、この位置に限定
されず、例えば電鋳槽１０の外壁に沿ってプラス電極４
を複数箇所に配した構成にしてもよいし、治具固定用構
造体１５も必ずしも円形でなく例えば楕円形であっても
よい。The positive electrode 4 differs depending on the intended electroformed metal, and is selected from nickel, iron, copper, cobalt and the like, and a plate-like or spherical one is appropriately used. When a spherical material is used, it may be put in a titanium basket and covered with a polyester cloth bag. When the plus electrode 4 is arranged at the center of the circular jig fixing structure 15 and is positioned at the same interval as all the holding jigs 5, the electroforming speed becomes constant, and the electroforming speed becomes almost the same. The position of the plus electrode 4 is not limited to this position, although it is desirable because the casting is completed. For example, the plus electrode 4 is placed along the outer wall of the electroforming tank 10.
May be arranged at a plurality of places, and the jig fixing structure 15 may not necessarily be circular but may be elliptical, for example.
【００１４】そして撹拌は空気、プロペラ、超音波、超
振動などの撹拌が採用できるが、保持治具の自転の速度
を速くすることと、ピット防止剤の添加により撹拌を省
略することも可能である。The stirring can be performed by stirring with air, propeller, ultrasonic wave, super vibration, or the like. However, it is also possible to omit the stirring by increasing the rotation speed of the holding jig and adding a pit preventing agent. is there.
【００１５】また図３に於いては、保持治具５一台に積
算電流計１３一台を使用する構成ととし、整流器は保持
治具５の各一台に小型のものを一台使用するのが電流管
理を実施しやすいため望ましいが、必ずしもこれに限定
されず大型の整流器一台で多くの保持治具５に通電して
もよい。Further, in FIG. 3, one integrating current meter 13 is used for one holding jig 5, and one small rectifier is used for each holding jig 5. This is desirable because it is easy to carry out current management, but the present invention is not limited to this, and a large rectifier may supply power to many holding jigs 5.
【００１６】図４は、本発明に係る一実施例の保持治具
５付近の詳細を示す概略の側面図であるが、治具固定用
構造体１５、保持棒１６、フリー回転部１７、ベルト受
車１８、ベルト１２、電気絶縁部１９、マイナス電極バ
ネ２０、連結部２１、保持治具５、バネ７、線９、クリ
ップ２２で構成されており、円形の治具固定用構造体１
５に保持棒１６が溶接されており、フリー回転部１７で
空回りさせ、ベルト１２の回転をベルト受車１８に伝達
して回転し電気絶縁部１９、連結部２１を介して保持治
具５を自転させ、保持治具５は、クリップ２２とバネ７
で線９を引っ張った状態で保持し、電鋳液面２３を図４
に示すような位置にして、マイナス電極バネ２０と圧接
して電気絶縁部１９の下側だけにマイナス電流を通電し
て電鋳を実施すればよい。FIG. 4 is a schematic side view showing details of the vicinity of the holding jig 5 according to an embodiment of the present invention. The jig fixing structure 15, the holding rod 16, the free rotating portion 17, and the belt A circular jig fixing structure 1 comprising a receiving vehicle 18, a belt 12, an electric insulating portion 19, a negative electrode spring 20, a connecting portion 21, a holding jig 5, a spring 7, a wire 9, and a clip 22.
The holding rod 16 is welded to the belt 5, the idler is rotated by a free rotating unit 17, the rotation of the belt 12 is transmitted to a belt receiving vehicle 18, and the holding jig 5 is rotated via the electric insulating unit 19 and the connecting unit 21. The holding jig 5 is rotated by the clip 22 and the spring 7
4 is held in a state where the wire 9 is pulled, and the electroforming liquid level 23 is
Then, the electroforming may be performed by applying a negative current to only the lower side of the electrical insulating portion 19 by pressing against the negative electrode spring 20 at the position shown in FIG.
【００１７】なお本発明における保持治具５の自転の速
度は、１０〜１０００ｒｐｍ程度が適当であるが、特に
この数字に限定されず、例えば１０００ｒｐｍ以上の高
速回転を採用することにより撹拌を省略できる。The rotation speed of the holding jig 5 in the present invention is suitably about 10 to 1000 rpm, but is not particularly limited to this number. For example, the stirring can be omitted by employing a high-speed rotation of 1000 rpm or more. .
【００１８】線９は、鉄またはその合金、アルミニウム
またはその合金、銅またはその合金、タングステン合金
などの金属線、及びこの金属線の上に薄いハンダメッキ
をしたもの、及びナイロン、ポリエステルなどのプラス
チック線、ガラスなどのセラミック線などから適宜選択
使用される。このうちプラスチック、セラミック線の場
合は、表面に導電性の付与のためニッケル、銀などの無
電解メッキが必要となる。線９は、太さと真円度と直線
性に高い精度が要求され、ダイスによる押し出しや金属
線、プラスチック線の場合は、伸線による方法などによ
り調整を実施すればよい。The wire 9 is made of a metal wire such as iron or an alloy thereof, aluminum or an alloy thereof, copper or an alloy thereof, a tungsten alloy, and a thin solder-plated metal wire, and a plastic such as nylon and polyester. Wires and ceramic wires such as glass are appropriately selected and used. Among them, in the case of a plastic or ceramic wire, electroless plating of nickel, silver, or the like is required to impart conductivity to the surface. The wire 9 requires high precision in thickness, roundness and linearity, and may be adjusted by extrusion using a die, or in the case of a metal wire or a plastic wire, by a drawing method or the like.
【００１９】上記のような装置で電鋳を実施するが、電
鋳は、直流電流を４〜１０Ａ／ｄｍ２程度の電流密度で
１０〜２０時間程実施し、棒状で１．０〜２．５ｍｍφ
程度の太さに成長させるが、その際に、始めは低電流で
開始し、徐々に電流を高めていき、保持治具５ごとに所
定の析出量（太さ）になる積算電流量に達した時点で、
自動的に整流器からの電流が切れる構成とし、コンピュ
ータ管理することが望ましい。The electroforming is performed by the above-mentioned apparatus. The electroforming is performed by applying a direct current at a current density of about 4 to 10 A / dm 2 for about 10 to 20 hours. 5mmφ
In this case, the growth is started at a low current, and the current is gradually increased until the integrated current amount reaches a predetermined amount (thickness) for each holding jig 5. At that point,
It is desirable that the current from the rectifier be cut off automatically and computer-controlled.
【００２０】選択する線９の種類により、電鋳品の中心
にある線９を引き抜くか、押し出すか、薬品で溶解する
かが決定されるが、一般には薬品に溶解しにくく、引っ
張り強度の高いものは、引き抜き、または押し出しを利
用し、薬品に溶解しやすいものは、溶解を利用する。Depending on the type of the wire 9 to be selected, it is determined whether the wire 9 at the center of the electroformed product is pulled out, extruded, or dissolved with a chemical. However, it is generally difficult to dissolve in the chemical and has a high tensile strength. Objects use drawing or extrusion, and those that are readily soluble in chemicals use dissolution.
【００２０】機械加工では、引き抜きの場合において
は、線９を引き抜いた後、センタレス加工などで仕上加
工を実施すればよい。溶解の場合においては、一本の棒
で電鋳した後、概略の長さにカットした後、線９を溶解
し、孔が貫通したのを確認した後、センタレス加工で仕
上加工をするか、または仕上げ加工して完成品にした後
に線９の溶解をする方法を採用してもよい。In the case of drawing, in the case of drawing, after finishing drawing the wire 9, finishing may be performed by centerless processing or the like. In the case of melting, after electroforming with one rod, cutting to an approximate length, melting the wire 9 and confirming that the hole has penetrated, then finishing by centerless processing, Alternatively, a method of dissolving the wire 9 after finishing to obtain a finished product may be adopted.
【００２１】[0021]
【作用】本発明の方法によれば、金属線などの線９を一
本または複数本を母型に使用し、電鋳後、当該線を除去
するフェルールの製造方法に於いて、線９を自転させな
がら、保持治具５の一台に積算電流計を一台使用し、太
さ管理を所定の積算電流値で電流を切る方法を採用した
ので、電鋳品の孔の中心振れと太さのバラツキを殆ど無
くすことができる。According to the method of the present invention, in a method of manufacturing a ferrule in which one or more wires 9 such as metal wires are used for a matrix, and the wires are removed after electroforming, While rotating, one integrated ammeter was used for one holding jig 5 and the thickness was controlled by cutting off the current at a predetermined integrated current value. Almost no variance can be achieved.
【００２２】[0022]
【実施例】以下本発明の実施例について説明すると、断
面が真円形の０．１２７ｍｍφのＳＵＳ３０４線を準備
し、図３、図４に示す様に電鋳用の保持治具５にバネの
弾力で強く引っ張った状態にセットして水洗した後、市
販の日本化学産業社製のニッカノンタックＡ，Ｂ混合液
の水溶液に室温で１０分間浸漬して離型処理した後、よ
く水洗した。一方スルファミン酸ニッケルを主成分とす
る電鋳浴に、ニッケル板を陽極とし、電鋳浴を１μｍの
濾過精度で高速濾過をし、５０±２℃に加温した槽を準
備した。そして、保持治具５を連結部２１で電鋳装置に
結合して、自転速度を３００ｒｐｍとし、線を陰極、ニ
ッケルを陽極にして４〜６Ａ／ｄｍ２程度の電流密度で
電鋳を所定の積算電流値になるまで実施して、２．２ｍ
ｍφの太さで、３００ｍｍの長さの棒状のニッケル電鋳
品を２２本製造したが、この２２本の太さのバラツキ
は、±０．１ｍｍの範囲におさまり、また曲りも無かっ
た。次に電鋳品に溝を４０ｍｍ間隔で入れ、この溝部分
から折って中心の線を引き抜き、次にＮＣ自動加工機、
センタレス加工機などで太さ２．０００ｍｍ、長さ８．
００ｍｍまで加工して完成品とした。このように製造し
たものは孔の中心振れが規格内にあり問題のない製品で
あった。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below. A SUS304 wire having a perfect circular cross section of 0.127 mmφ is prepared, and a spring jig 5 is attached to a holding jig 5 for electroforming as shown in FIGS. After being set in a strongly pulled state and washed with water, it was immersed in a commercially available aqueous solution of Nikka Nontack A / B mixed liquid manufactured by Nippon Kagaku Sangyo Co., Ltd. for 10 minutes at room temperature, subjected to a mold release treatment, and then thoroughly washed with water. On the other hand, in an electroforming bath containing nickel sulfamate as a main component, a nickel plate was used as an anode, the electroforming bath was subjected to high-speed filtration with a filtration accuracy of 1 μm, and a bath heated to 50 ± 2 ° C. was prepared. Then, the holding jig 5 is connected to the electroforming device at the connecting portion 21, the rotation speed is set to 300 rpm, the electroforming is performed at a current density of about 4 to 6 A / dm 2 using the wire as a cathode and nickel as an anode. Execute until the integrated current value is reached, 2.2m
Twenty-two rod-shaped nickel electroformed products having a diameter of mφ and a length of 300 mm were manufactured, and the variation in the thickness of the twenty-two rods was within a range of ± 0.1 mm, and there was no bending. Next, grooves are formed in the electroformed product at intervals of 40 mm, and the center line is pulled out from the groove portion, and then the NC automatic processing machine is used.
7.000 mm in thickness and 8.
The finished product was processed to 00 mm. The product manufactured in this way was a product having a center deviation of the hole within the standard and having no problem.
【００２３】[0023]
【発明の効果】本発明は、以上に示した方法により以下
のような効果を奏する。金属線などの１本或いは複数の
線９を母型に使用し、電鋳後、当該線９を除去するフェ
ルールの製造において、自転しながら、電流管理し保持
治具５の一台ごとに積算電流値により太さ管理する電鋳
方法を採用したので、出来た電鋳品に偏肉、曲りを殆ど
発生しないため、±数ミクロンという極めて厳しい孔の
中心振れ精度を容易にクリアすることができると同時
に、太さのバラツキを容易に殆ど無くすことができるこ
とから、後工程の機械加工の手間を少なくでき、生産性
を著しく向上することができる。The present invention has the following effects by the method described above. One or a plurality of wires 9 such as a metal wire are used as a matrix, and after electroforming, in the manufacture of a ferrule for removing the wires 9, current is controlled while rotating, and integrated for each holding jig 5. Since the electroforming method of controlling the thickness by the current value is adopted, the thickness and bending of the formed electroformed product hardly occur, so it is possible to easily clear the extremely severe center deviation accuracy of ± several microns of the hole. At the same time, variations in thickness can be easily and almost completely eliminated, so that it is possible to reduce the time and labor required for machining in a post-process and to significantly improve productivity.
【図１】従来法に係るフェルールの拡大断面図と側面図
である。FIG. 1 is an enlarged sectional view and a side view of a ferrule according to a conventional method.
【図２】従来法に係る電鋳装置の概略の構成図である。FIG. 2 is a schematic configuration diagram of an electroforming apparatus according to a conventional method.
【図３】本発明に係る電鋳装置の一実施例を示す概略の
平面図である。FIG. 3 is a schematic plan view showing one embodiment of an electroforming apparatus according to the present invention.
【図４】本発明に係る回転電鋳装置の保持治具付近の概
略の構成を示す側面図である。FIG. 4 is a side view showing a schematic configuration near a holding jig of the rotary electroforming apparatus according to the present invention.
１ フェルール ２ 真円形
孔 ３ 電鋳液 ４ プラス
電極 ５ 保持治具 ６ 空気撹
拌ノズル ７ バネ ８ マイナ
ス電極 ９ 線 １０ 電鋳槽 １１ 保持治具自転用駆動モータ １２ ベルト １３ 積算電流計 １４ 滑車 １５ 治具固定用構造体 １６ 保持棒 １７ フリー回転部 １８ ベルト
受車 １９ 電気絶縁部 ２０ マイナ
ス電極バネ ２１ 連結部 ２２ クリッ
プ ２３ 電鋳液面DESCRIPTION OF SYMBOLS 1 Ferrule 2 True circular hole 3 Electroforming liquid 4 Positive electrode 5 Holding jig 6 Air stirring nozzle 7 Spring 8 Negative electrode 9 Wire 10 Electroforming tank 11 Holding jig rotation motor 12 Belt 13 Integrated ammeter 14 Pulley 15 J Fixing structure 16 Holding rod 17 Free rotating part 18 Belt receiving car 19 Electrical insulating part 20 Negative electrode spring 21 Connecting part 22 Clip 23 Electroforming liquid level
Claims (3)
しくは複数本を母型に使用して、電鋳した後、線９を除
去するフェルールの製造方法に於いて、電鋳槽中で保持
治具５の線９を自転させ、かつ、保持治具５の一台に積
算電流計一台を取り付け積算電流値が所定の数値になっ
た時に直流電流を切る方法により太さ管理することを特
徴とするフェルールの製造方法。In a method of manufacturing a ferrule for removing one or more wires 9 from a matrix by using one or a plurality of wires 9 made of metal, plastic, etc. The wire 9 of the holding jig 5 is rotated, and one integrated ammeter is attached to one of the holding jigs 5, and the thickness is controlled by a method of cutting off the DC current when the integrated current value reaches a predetermined value. A method for manufacturing a ferrule.
を流すことを特徴とする請求項１記載のフェルールの製
造方法。2. The method for manufacturing a ferrule according to claim 1, wherein a DC current is supplied to one holding jig by one rectifier.
を等しくしたことを特徴とする請求項１記載のフェルー
ルの製造方法。3. The method for manufacturing a ferrule according to claim 1, wherein the intervals between the individual holding jigs and the positive electrode are equalized.
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000104113A JP4596500B2 (en) | 2000-02-17 | 2000-02-17 | Manufacturing method of optical fiber connector parts |
| TW090100825A TW568960B (en) | 2000-01-14 | 2001-01-12 | Production method for ferrules |
| EP01900703A EP1179613A1 (en) | 2000-01-14 | 2001-01-12 | Production method for ferrules |
| PCT/JP2001/000130 WO2001051687A1 (en) | 2000-01-14 | 2001-01-12 | Production method for ferrules |
| CNB018009530A CN1232678C (en) | 2000-01-14 | 2001-01-12 | Production method for ferrules |
| KR10-2001-7007220A KR100434181B1 (en) | 2000-01-14 | 2001-01-12 | Method of manufacturing ferrule |
| US09/890,483 US6830672B2 (en) | 2000-01-14 | 2001-01-12 | Production method for ferrules |
| CA002369186A CA2369186A1 (en) | 2000-01-14 | 2002-01-23 | Method of manufacturing ferrule |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000104113A JP4596500B2 (en) | 2000-02-17 | 2000-02-17 | Manufacturing method of optical fiber connector parts |
| CA002369186A CA2369186A1 (en) | 2000-01-14 | 2002-01-23 | Method of manufacturing ferrule |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001228363A true JP2001228363A (en) | 2001-08-24 |
| JP4596500B2 JP4596500B2 (en) | 2010-12-08 |
Family
ID=32178094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000104113A Expired - Fee Related JP4596500B2 (en) | 2000-01-14 | 2000-02-17 | Manufacturing method of optical fiber connector parts |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4596500B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003004731A1 (en) * | 2001-07-02 | 2003-01-16 | Takahiko Mukouda | Production method and device for optical fiber-use metal coupler |
| JP2017155299A (en) * | 2016-03-03 | 2017-09-07 | 株式会社エンプラス | Electroforming apparatus |
| WO2023234026A1 (en) * | 2022-05-30 | 2023-12-07 | 株式会社ヨコオ | Method for manufacturing electroformed component, method for manufacturing electroformed pipe, and electroforming device |
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| JPS5938395A (en) * | 1982-08-25 | 1984-03-02 | Furukawa Electric Co Ltd:The | Working method for formation of small diameter hole |
| JPH08180474A (en) * | 1994-12-22 | 1996-07-12 | Canon Inc | Manufacture of stamper |
| JPH09291390A (en) * | 1996-04-26 | 1997-11-11 | Canon Inc | Production of stamper |
| JPH1025590A (en) * | 1996-07-11 | 1998-01-27 | Sony Corp | Electroforming device and electroforming method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5938395A (en) * | 1982-08-25 | 1984-03-02 | Furukawa Electric Co Ltd:The | Working method for formation of small diameter hole |
| JPH08180474A (en) * | 1994-12-22 | 1996-07-12 | Canon Inc | Manufacture of stamper |
| JPH09291390A (en) * | 1996-04-26 | 1997-11-11 | Canon Inc | Production of stamper |
| JPH1025590A (en) * | 1996-07-11 | 1998-01-27 | Sony Corp | Electroforming device and electroforming method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003004731A1 (en) * | 2001-07-02 | 2003-01-16 | Takahiko Mukouda | Production method and device for optical fiber-use metal coupler |
| JP2017155299A (en) * | 2016-03-03 | 2017-09-07 | 株式会社エンプラス | Electroforming apparatus |
| WO2023234026A1 (en) * | 2022-05-30 | 2023-12-07 | 株式会社ヨコオ | Method for manufacturing electroformed component, method for manufacturing electroformed pipe, and electroforming device |
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| Publication number | Publication date |
|---|---|
| JP4596500B2 (en) | 2010-12-08 |
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