JPH0550619U - Radiation resistant / flexible cable - Google Patents
Radiation resistant / flexible cableInfo
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- JPH0550619U JPH0550619U JP1597292U JP1597292U JPH0550619U JP H0550619 U JPH0550619 U JP H0550619U JP 1597292 U JP1597292 U JP 1597292U JP 1597292 U JP1597292 U JP 1597292U JP H0550619 U JPH0550619 U JP H0550619U
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- weight
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Abstract
(57)【要約】
【目的】 放射線環境下でも耐屈曲性が劣化せず、かつ
導体1の腐食がないものとするとともに、導体1の耐屈
曲性を向上させる。
【構成】 絶縁心線3の絶縁被覆2及びシース6を熱可
塑性ポリウレタンエラストマーで構成するとともに、導
体1を、芳香族ポリアミド繊維糸の周りに次記の銅合金
箔テープを横巻きした銅合金箔糸で構成する。「インジ
ウムとスズ、鉛又はアンチモンの合計含有量が0.02
〜0.15重量%であって、その夫々の含有量が0.0
06重量%以上、酸素含有量0.0001〜0.005
重量%の高力高導電性銅合金。」前記エラストマーは耐
放射線性、耐屈曲性があり、さらに放射線によって分解
しない。また、上記銅合金線は耐屈曲性が優れている。
このため、この構成のケーブルPは耐放射線性、耐屈曲
性が優れ、かつ分解ガスによる導体の腐食もないものと
なる。
(57) [Summary] [Purpose] The flex resistance of the conductor 1 does not deteriorate even under a radiation environment, and the flex resistance of the conductor 1 is improved. [Structure] A copper alloy foil in which the insulating coating 2 and the sheath 6 of the insulating core wire 3 are made of thermoplastic polyurethane elastomer, and the conductor 1 is wound around the aromatic polyamide fiber yarn with the copper alloy foil tape described below. Composed of yarn. "The total content of indium and tin, lead or antimony is 0.02
~ 0.15% by weight, the content of each is 0.0
06 wt% or more, oxygen content 0.0001 to 0.005
High strength and high conductivity copper alloy of weight%. The elastomer is radiation resistant, flex resistant and does not decompose by radiation. Further, the copper alloy wire has excellent bending resistance.
Therefore, the cable P having this configuration has excellent radiation resistance and bending resistance, and does not corrode the conductor due to decomposed gas.
Description
【0001】[0001]
この考案は、原子力施設などの放射線環境下で使用されるロボット用ケーブル に関するものである。 This invention relates to a cable for a robot used in a radiation environment such as a nuclear facility.
【0002】[0002]
一般に、ロボット用ケーブルには耐屈曲性が要求され、その絶縁心線の絶縁被 覆材としては、ポリ塩化ビニル混和物、ふっ素樹脂、ポリエチレンが使用されて いる。 Generally, a cable for a robot is required to have bending resistance, and a polyvinyl chloride admixture, fluororesin, or polyethylene is used as an insulating covering material for the insulating core wire.
【0003】 しかし、この従来のケーブルが高放射線環境下で使用されると、絶縁被覆材が 放射線により分解し、その分解ガスにより導体表面が腐食したり、被覆材の機械 的強度が低下する。However, when this conventional cable is used in a high radiation environment, the insulating coating material is decomposed by radiation, and the decomposed gas corrodes the conductor surface or lowers the mechanical strength of the coating material.
【0004】 導体表面の腐食は導通不良の原因となり、不良となれば、ロボットの動作が不 安定になる。また、機械的強度の低下は耐屈曲性の低下となり、絶縁被覆が破損 し、回路の短絡や大地へのリークなどが生じ、ロボットの暴走などの予期せぬ事 態が生じるなど、極めて危険である。Corrosion of the conductor surface causes poor continuity, and if it fails, the operation of the robot becomes unstable. In addition, a decrease in mechanical strength leads to a decrease in bending resistance, damage to the insulation coating, short circuits, leaks to the ground, and unexpected situations such as robot runaway. is there.
【0005】 この考案は、以上の点に留意し、導体の耐屈曲性を向上させ、かつ、耐屈曲性 の低下を招くことなく、耐放射線性の絶縁被覆及びシースとすることを課題とす る。In view of the above points, the present invention aims to improve the flex resistance of a conductor and to provide a radiation resistant insulating coating and a sheath without lowering the flex resistance. It
【0006】[0006]
上記課題を解決するために、この考案にあっては、複数本の絶縁心線を撚り合 わせ、この上にテープを巻回し押え巻きしてケーブルコアとし、その周りにシー スを設けた従来周知のケーブルにおいて、前記絶縁心線の導体を下記の銅合金A 乃至Eの線とするとともに、絶縁心線の絶縁被覆及びシースを熱可塑性ポリウレ タンエラストマーで構成することとしたのである。 In order to solve the above-mentioned problems, in the present invention, a plurality of insulating core wires are twisted together, and a tape is wound around this and pressed and wound to form a cable core, and a sheath is provided around it. In a known cable, the conductor of the insulating core wire is the following copper alloys A to E, and the insulating coating and the sheath of the insulating core wire are made of thermoplastic polyurethane elastomer.
【0007】 記 (A) インジウム含有量0.01〜1重量%及び酸素含有量0.01重量%以 下であり、残部が実質的に銅から成る高力高導電性銅合金。(A) A high-strength and high-conductivity copper alloy having an indium content of 0.01 to 1% by weight and an oxygen content of 0.01% by weight or less, and the balance being substantially copper.
【0008】 (B) インジウム含有量が0.02〜0.15重量%、酸素含有量が0.00 01〜0.005重量%、インジウム含有量が酸素含有量の4.7倍以上であっ て、残部が実質的に銅から成る高力高導電性銅合金。(B) The indium content is 0.02 to 0.15% by weight, the oxygen content is 0.0001 to 0.005% by weight, and the indium content is 4.7 times or more the oxygen content. A high-strength and high-conductivity copper alloy whose balance consists essentially of copper.
【0009】 (C) インジウムとスズの合計含有量が0.02〜0.15重量%であって且 つ夫々の含有量が0.006重量%以上、酸素含有量が0.0001〜0.00 5重量%、残部が実質的に銅から成る高力高導電性銅合金。(C) The total content of indium and tin is 0.02 to 0.15% by weight, the content of each is 0.006% by weight or more, and the oxygen content is 0.0001 to 0. A high-strength and high-conductivity copper alloy composed of 005% by weight and the balance being substantially copper.
【0010】 (D) インジウムと鉛の合計含有量が0.02〜0.15重量%であって且つ 夫々の含有量が0.006重量%以上、残部が実質的に銅から成る高力高導電性 銅合金。(D) A high strength of which the total content of indium and lead is 0.02 to 0.15% by weight, the content of each is 0.006% by weight or more, and the balance is substantially copper. Conductive copper alloy.
【0011】 (E) インジウムとアンチモンの合計含有量が0.02〜0.15重量%であ って且つ夫々の含有量が0.006重量%以上、残部が実質的に銅から成る高力 高導電性銅合金。(E) High strength in which the total content of indium and antimony is 0.02 to 0.15% by weight, the content of each is 0.006% by weight or more, and the balance is substantially copper. Highly conductive copper alloy.
【0012】 上記(D)、(E)の組成の銅合金においても、その酸素含有量は0.000 1〜0.005重量%が好ましく、この場合及び上記組成(C)の場合、インジ ウムとスズ、インジウムと鉛、インジウムとアンチモンのそれぞれの合計含有量 が酸素含有量の4.7倍以上とするとよい。 (特開昭60−17039号公報、特開昭61−3858号公報、特開昭61 −3858号公報、特開昭61−23734号公報及び特開昭61−23735 号公報等参照)。Also in the copper alloys having the compositions (D) and (E), the oxygen content is preferably 0.0001 to 0.005% by weight. In this case and in the case of the composition (C), indium is contained. The total content of tin, indium and lead, and indium and antimony is preferably 4.7 times or more the oxygen content. (See JP-A-60-17039, JP-A-61-3858, JP-A-61-3858, JP-A-61-23734 and JP-A-61-23735).
【0013】 上記絶縁心線の導体は、耐放射線性高抗張力繊維糸の周りに上記銅合金A乃至 Eの箔テープを横巻きした銅合金箔糸から成るものとすることができる。その耐 放射線性高抗張力繊維糸には、ケブラー(米国デュポン社:商品名)などの芳香 族ポリアミド繊維、イビウール(イビデン(株):商品名)などのセラミックフ ァイバー、その他の炭素繊維などを適宜に用いる。The conductor of the insulating core wire may be made of a copper alloy foil yarn in which the foil tape of the copper alloys A to E is wound around the radiation resistant high tensile strength fiber yarn. As the radiation resistant high tensile strength fiber yarn, aromatic polyamide fibers such as Kevlar (DuPont, USA: trade name), ceramic fibers such as Ibiwool (trade name: Ibiden Co.), and other carbon fibers are appropriately used. Used for.
【0014】 上記熱可塑性ポリウレタンエラストマーとしては、レザミンP−890(JI SA硬度:90、大日精化工業(株)商品名)、レザミンP−1098(JIS A硬度:95、大日精化工業(株)商品名)、クラミロンU9185(JISA 硬度:85、(株)クラレ商品名)等を挙げることができる。なお、レザミン− P890はポリカーボネート系、レザミンP−1098はポリエステル系、クラ ミロンU9185はポリエーテル系である。Examples of the thermoplastic polyurethane elastomer include Resamine P-890 (JISA hardness: 90, trade name of Dainichiseika Kogyo Co., Ltd.), Resamine P-1098 (JIS A hardness: 95, Dainichiseika Co., Ltd.). ) Trade name), Kuramilon U9185 (JIS A hardness: 85, Kuraray Co., Ltd. product name) and the like. Resamine-P890 is a polycarbonate type, Resamine P-1098 is a polyester type, and Chlamylon U9185 is a polyether type.
【0015】[0015]
このように構成するこの考案に係るケーブルは、まず、導体をなす上記組成A 乃至Eからなる銅合金の線が、上記特開昭60−17039号公報等に記載のご とく、耐屈曲性に優れ、導電性においても、純銅に比べて遜色がない。例えば、 疲労特性において、曲げ歪0.306%の条件では、上記銅合金線の破断屈曲回 数が16.1万回に対し、純銅線のそれは約4.3万回と約4分の1であり、曲 げ歪0.22%の条件では、上記銅合金線:3150万回以上、純銅線:約11 .93万回と約260分の1以下、曲げ歪0.18%の条件では、上記銅合金線 :6200万回以上、純銅線:約21.8万回と約280分の1以下である。 In the cable according to the present invention constructed as described above, first, the copper alloy wire made of the above-mentioned compositions A to E is very resistant to bending as described in JP-A-60-17039. It is excellent and has a conductivity comparable to pure copper. For example, in the fatigue characteristics, under the condition that the bending strain is 0.306%, the breaking bending number of the copper alloy wire is 161,000 times, whereas that of the pure copper wire is about 43,000 times, which is about 1/4. Under the condition that the bending strain is 0.22%, the above copper alloy wire: 31.5 million times or more, pure copper wire: about 11. Under the conditions of 930,000 times and about 260 times or less, and bending strain of 0.18%, the above copper alloy wire: 62 million times or more, pure copper wire: about 218,000 times and about 280 times or less.
【0016】 また、絶縁被覆及びシースをなす熱可塑性ポリウレタンエラストマーが耐屈曲 性のみならず耐放射線性も高いものである。このため、ケーブルとしてもそれら の特性が向上する。Further, the thermoplastic polyurethane elastomer forming the insulating coating and the sheath has high flexibility as well as radiation resistance. Therefore, their characteristics are improved as a cable.
【0017】 さらに、絶縁心線の導体を銅合金箔糸より形成すれば、それを形成する銅合金 箔テープが長さ方向にも径方向にも伸び縮みし、かつ高抗張力繊維糸の特性と相 俟って十分な耐屈曲性を保持する。このため、ケーブル全体の耐屈曲性がさらに 向上する。Further, when the conductor of the insulated core wire is formed of a copper alloy foil yarn, the copper alloy foil tape forming the conductor expands and contracts in the length direction and the radial direction, and has the characteristics of the high tensile strength fiber yarn. Together, they maintain sufficient flex resistance. Therefore, the bending resistance of the entire cable is further improved.
【0018】[0018]
まず、図1に示すように、40本/0.08mmの上記組成Aの銅合金線集合撚 線1の上にレザミンP−890(実施例1)又はレザミンP−1098(実施例 2)を押出成形して(絶縁被覆2)、0.2mm2 の絶縁心線3を得た。First, as shown in FIG. 1, 40 / 0.08 mm of the above-mentioned composition A copper alloy wire assembly stranded wire 1 was coated with Resamine P-890 (Example 1) or Resamine P-1098 (Example 2). By extrusion molding (insulation coating 2), a 0.2 mm 2 insulating core wire 3 was obtained.
【0019】 また、図2に示すように、ケブラー糸11の周りに銅合金Aの箔テープ12( 厚さ:0.027mm、幅:0.32mm)を横巻きにした銅合金箔糸13を製作し 、これを、図3に示すように7本撚りして導体1とし、実施例2と同様に、その 上にレザミンP−1098を押出成形して(絶縁被覆2)、0.2mm2 の絶縁心 線3を得た(実施例3)。Further, as shown in FIG. 2, a copper alloy foil thread 13 in which a foil tape 12 of copper alloy A (thickness: 0.027 mm, width: 0.32 mm) is horizontally wound around a Kevlar thread 11 is provided. As shown in FIG. 3, seven conductors were twisted to form a conductor 1, and Resamine P-1098 was extrusion-molded thereon (insulating coating 2) in the same manner as in Example 2 to obtain 0.2 mm 2 The insulating core wire 3 was obtained (Example 3).
【0020】 つぎに、各絶縁心線3の6本を介在4とともに集合撚りし、この上にテープ5 を巻回し押え巻きしてケーブルコアaとし、そのケーブルコアaの周りにクラミ ロンU9185を押出成形してシース6を設けて、この考案に係るケーブルPを 得た。Next, six pieces of each insulating core wire 3 are collectively twisted together with the interposition 4, and the tape 5 is wound around this and pressed to form the cable core a, and the chlamyron U9185 is wound around the cable core a. A cable P according to the present invention was obtained by extrusion molding and providing a sheath 6.
【0021】 一方、比較例1〜5として、絶縁被覆2にポリ塩化ビニル(比較例2)及び四 ふっ化エチレン・エチレン共重合樹脂(ETFE、比較例3)を使用し、また、 シース6にポリ塩化ビニル(比較例1)及びペルプレンP−30B(JISA硬 度:71、東洋紡績(株)商品名 熱可塑性ポリエステル系エラストマー、比較 例4)を使用し、さらに、導体1に純銅(比較例5)を使用し、他は実施例と同 一構成としたケーブルPも製作した。On the other hand, as Comparative Examples 1 to 5, polyvinyl chloride (Comparative Example 2) and ethylene tetrafluoride / ethylene copolymer resin (ETFE, Comparative Example 3) were used for the insulating coating 2, and the sheath 6 was used. Polyvinyl chloride (Comparative Example 1) and Perprene P-30B (JIS A hardness: 71, Toyobo Co., Ltd. trade name thermoplastic polyester elastomer, Comparative Example 4) were used, and pure copper (Comparative Example) was used as the conductor 1. A cable P having the same structure as that of the other examples was manufactured by using 5).
【0022】 その実施例1〜3及び比較例1〜5のケーブルPを、下記の条件下で、図4に 示す屈曲試験を行った結果を表1に示す。 記 曲げ角度 :±90度 曲げ半径R :12.5mm 荷重W :1kg 曲げ速度 :40回/分(左右をそれぞれ一回と数えて) γ線照射 :線源:Co−60、線量率、0.85MR/hr で10MGY照射。Table 1 shows the results of the bending test shown in FIG. 4 for the cables P of Examples 1 to 3 and Comparative Examples 1 to 5 under the following conditions. Note Bending angle: ± 90 degrees Bending radius R: 12.5 mm Load W: 1 kg Bending speed: 40 times / minute (each left and right is counted once) γ-ray irradiation: Radiation source: Co-60, dose rate, 0 Irradiation with 10 MGY at 0.85 MR / hr.
【0023】[0023]
【表1】 [Table 1]
【0024】 この結果から、各実施例は、放射線照射によって、導体(撚線)1の腐食がな く、かつ耐屈曲性が向上していることが理解できる。From these results, it can be understood that in each example, the radiation (irradiation) does not corrode the conductor (stranded wire) 1 and the bending resistance is improved.
【0025】 なお、上記実施例において、導体1又は箔テープ12に、組成(A)に代えて 、(B)乃至(E)のものを使用したところ、同様な結果を得ることができた。In the above examples, the same results were obtained when the conductor 1 or the foil tape 12 was replaced with the composition (A) instead of the composition (A).
【0026】[0026]
この考案は、以上のように構成したので、耐放射線性及び耐屈曲性の優れたケ ーブルを得ることができる。 Since the present invention is configured as described above, it is possible to obtain a cable having excellent radiation resistance and bending resistance.
【図1】一実施例の断面図FIG. 1 is a sectional view of an embodiment.
【図2】銅合金箔糸の正面図[Fig. 2] Front view of copper alloy foil yarn
【図3】絶縁心線の導体の断面図FIG. 3 is a sectional view of a conductor of an insulated core wire.
【図4】屈曲試験説明図[Fig. 4] Bending test explanatory diagram
P ケーブル a ケーブルコア 1 導体(集合撚線) 2 絶縁被覆 3 絶縁心線 4 介在 5 押え巻き層(押え巻きテープ) 6 シース 11 耐放射線性高抗張力繊維糸(ケブラー) 12 銅合金箔テープ 13 銅合金箔糸 P cable a Cable core 1 Conductor (assembled stranded wire) 2 Insulation coating 3 Insulating core wire 4 Interposition 5 Presser winding layer (holding tape) 6 Sheath 11 Radiation resistant high tensile strength fiber yarn (Kevlar) 12 Copper alloy foil tape 13 Copper Alloy foil thread
フロントページの続き (72)考案者 木原 正昭 東大阪市岩田町2丁目3番1号 タツタ電 線株式会社内 (72)考案者 江原 修 東大阪市岩田町2丁目3番1号 タツタ電 線株式会社内 (72)考案者 原田 憲治 東大阪市岩田町2丁目3番1号 タツタ電 線株式会社内Front Page Continuation (72) Inventor Masaaki Kihara 2-3-1 Iwata-cho, Higashi-Osaka City Tatsuta Electric Wire Co., Ltd. (72) Inventor Osamu Ehara 2-3-1 Iwata-cho, Higashi-Osaka City Tatsuta Electric Wire Co., Ltd. Inside the company (72) Inventor Kenji Harada 2-3-1 Iwata-cho, Higashiosaka City Inside Tatsuta Electric Wire Co., Ltd.
Claims (6)
性ポリウレタンエラストマーで被覆して絶縁心線とし、
その絶縁心線の複数本を撚り合わせ、この上にテープを
巻回し押え巻きしてケーブルコアとし、その周りに、熱
可塑性ポリウレタンエラストマーでシースを設けたこと
を特徴とする耐放射線・耐屈曲性ケーブル。 記 インジウム含有量0.01〜1重量%及び酸素含有量
0.01重量%以下であり、残部が実質的に銅から成る
高力高導電性銅合金。1. A conductor made of the following copper alloy wire is coated with a thermoplastic polyurethane elastomer to form an insulating core wire,
Radiation resistance and bending resistance characterized by twisting multiple insulated core wires, winding tape around this and pressing it to form a cable core, and surrounding it with a sheath made of thermoplastic polyurethane elastomer cable. A high-strength and high-conductivity copper alloy having an indium content of 0.01 to 1% by weight and an oxygen content of 0.01% by weight or less, and the balance being substantially copper.
とを特徴とする請求項1記載の耐放射線・耐屈曲性ケー
ブル。 記 インジウム含有量が0.02〜0.15重量%、酸素含
有量が0.0001〜0.005重量%、インジウム含
有量が酸素含有量の4.7倍以上であって、残部が実質
的に銅から成る高力高導電性銅合金。2. The radiation-resistant and flex-resistant cable according to claim 1, wherein the conductor is made of the following copper alloy wire. The indium content is 0.02 to 0.15% by weight, the oxygen content is 0.0001 to 0.005% by weight, the indium content is 4.7 times or more the oxygen content, and the balance is substantially. High-strength and high-conductivity copper alloy consisting of copper.
とを特徴とする請求項1記載の耐放射線・耐屈曲性ケー
ブル。 記 インジウムとスズの合計含有量が0.02〜0.15重
量%であって且つ夫々の含有量が0.006重量%以
上、酸素含有量が0.0001〜0.005重量%、残
部が実質的に銅から成る高力高導電性銅合金。3. The radiation-resistant and flex-resistant cable according to claim 1, wherein the conductor is made of the following copper alloy wire. The total content of indium and tin is 0.02 to 0.15% by weight, the content of each is 0.006% by weight or more, the oxygen content is 0.0001 to 0.005% by weight, and the balance is A high strength, high conductivity copper alloy consisting essentially of copper.
とを特徴とする請求項1記載の耐放射線・耐屈曲性ケー
ブル。 記 インジウムと鉛の合計含有量が0.02〜0.15重量
%であって且つ夫々の含有量が0.006重量%以上、
残部が実質的に銅から成る高力高導電性銅合金。4. The radiation-resistant and flex-resistant cable according to claim 1, wherein the conductor is made of the following copper alloy wire. The total content of indium and lead is 0.02 to 0.15% by weight, and the content of each is 0.006% by weight or more,
A high-strength, high-conductivity copper alloy whose balance consists essentially of copper.
とを特徴とする請求項1記載の耐放射線・耐屈曲性ケー
ブル。 記 インジウムとアンチモンの合計含有量が0.02〜0.
15重量%であって且つ夫々の含有量が0.006重量
%以上、残部が実質的に銅から成る高力高導電性銅合
金。5. The radiation-resistant and flex-resistant cable according to claim 1, wherein the conductor is made of the following copper alloy wire. The total content of indium and antimony is 0.02 to 0.
A high-strength and high-conductivity copper alloy containing 15% by weight, the content of each of which is 0.006% by weight or more, and the balance being substantially copper.
耐放射線・耐屈曲性ケーブルにおいて、上記絶縁心線の
導体が、耐放射線性高抗張力繊維糸の周りに、当該請求
項記載の銅合金の箔テープを横巻きした銅合金箔糸から
成ることを特徴とする耐放射線・耐屈曲性ケーブル。6. The radiation-resistant and flex-resistant cable according to any one of claims 1 to 5, wherein the conductor of the insulating core wire is around the radiation-resistant high tensile strength fiber yarn. A radiation-resistant and flex-resistant cable, which is made of a copper alloy foil thread wound in parallel with the copper alloy foil tape of.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1597292U JPH0550619U (en) | 1991-10-15 | 1992-03-26 | Radiation resistant / flexible cable |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3-83401 | 1991-10-15 | ||
JP8340191 | 1991-10-15 | ||
JP1597292U JPH0550619U (en) | 1991-10-15 | 1992-03-26 | Radiation resistant / flexible cable |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0550619U true JPH0550619U (en) | 1993-07-02 |
Family
ID=26352206
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1597292U Pending JPH0550619U (en) | 1991-10-15 | 1992-03-26 | Radiation resistant / flexible cable |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0550619U (en) |
-
1992
- 1992-03-26 JP JP1597292U patent/JPH0550619U/en active Pending
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