JPH0657145A - Antifriction material and lubricated insulated wire prepared by using same - Google Patents
Antifriction material and lubricated insulated wire prepared by using sameInfo
- Publication number
- JPH0657145A JPH0657145A JP21304392A JP21304392A JPH0657145A JP H0657145 A JPH0657145 A JP H0657145A JP 21304392 A JP21304392 A JP 21304392A JP 21304392 A JP21304392 A JP 21304392A JP H0657145 A JPH0657145 A JP H0657145A
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- Prior art keywords
- wax
- insulated wire
- wire
- lubricated
- lubricating
- Prior art date
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Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、耐摩耗性、耐加工劣化
性に優れた潤滑性絶縁電線に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lubricated insulated wire having excellent wear resistance and work deterioration resistance.
【０００２】[0002]
【従来の技術】電動機、変圧器などの製造においては、
その迅速化のためにマグネットワイヤ（絶縁電線）の巻
線に高速自動巻機を導入し、高速で絶縁電線を巻回する
ことが普及している。このため、絶縁電線の取扱いが非
常に過酷な条件下で行われるようになってきている。2. Description of the Related Art In the manufacture of electric motors and transformers,
In order to speed it up, it has become popular to introduce a high-speed automatic winding machine into the winding of the magnet wire (insulated electric wire) to wind the insulated electric wire at high speed. For this reason, handling of insulated wires has come to be performed under extremely severe conditions.
【０００３】しかしながら高速巻線加工によりコイルを
形成するに際しては、絶縁電線の表面の潤滑性が不足す
ると、絶縁電線に大きな張力が加わり機械的損傷等を受
け易く、得られたコイルの信頼性が低下し易い欠点があ
るうえ、巻線加工における作業性が非常に悪く、絶縁電
線を緻密に巻回して所望のコイルを得ることが困難であ
った。However, when forming a coil by high-speed winding, if the lubricity of the surface of the insulated electric wire is insufficient, a large tension is applied to the insulated electric wire and mechanical damage is likely to occur, and the reliability of the obtained coil is reduced. In addition to the drawback that it tends to decrease, the workability in the winding process is very poor, and it has been difficult to obtain a desired coil by closely winding the insulated wire.
【０００４】そこで、絶縁電線の信頼性を維持しつつ、
高速巻線加工を容易に行うことができるような絶縁電線
を提供するために、絶縁電線の表面に潤滑性を付与した
潤滑性絶縁電線が提案されている。Therefore, while maintaining the reliability of the insulated wire,
In order to provide an insulated electric wire that enables high-speed winding processing to be performed easily, a lubricated insulated electric wire in which the surface of the insulated electric wire is provided with lubricity has been proposed.
【０００５】従来用いられている潤滑性絶縁電線として
は、例えば、パラフィンワックスなどの潤滑油を絶縁
被膜の上に塗布して、最外層に潤滑層を形成するタイ
プ、またはワックスと結合剤とからなる減摩剤を導体
上に他の絶縁被膜を介して塗布，焼付けをし、最外層に
潤滑層を形成するタイプがある。Conventionally used lubricated insulated wires include, for example, a type in which a lubricating oil such as paraffin wax is applied on an insulating coating to form a lubricating layer on the outermost layer, or a wax and a binder. There is a type in which the following lubricant is applied on the conductor through another insulating film and baked to form a lubricating layer on the outermost layer.
【０００６】[0006]
【発明が解決しようとする課題】このうちのタイプの
潤滑性絶縁電線は、潤滑層の摩擦係数値の低下に不満が
あった。また、潤滑層の摩擦係数値は、潤滑油の塗布量
に依存するため、均一な層厚になるように塗布しなけれ
ばならず、その際、潤滑油の塗布量の調節および作業性
が困難であった。Among these types of lubricating insulated electric wires, there has been a dissatisfaction with the reduction of the friction coefficient value of the lubricating layer. Also, the friction coefficient value of the lubricating layer depends on the amount of lubricating oil applied, so it must be applied so as to have a uniform layer thickness. At that time, adjustment of the amount of lubricating oil applied and workability are difficult. Met.
【０００７】これに対してのタイプは、摩擦係数値の
低下は満足するものの、巻線加工時に絶縁被膜を機械的
損傷から保護する効果を十分に得ることができないとい
う欠点があった。On the other hand, although the type which satisfies the reduction of the coefficient of friction value is satisfactory, it has a drawback that the effect of protecting the insulating coating from mechanical damage during the winding process cannot be sufficiently obtained.
【０００８】本発明は前記事情に鑑みてなされたもの
で、潤滑層の形成が容易であり、潤滑層の摩擦係数値を
十分に低くすることが可能で、かつ絶縁被膜が機械的損
傷を受けることを低減することが可能な減摩剤および潤
滑性絶縁電線の提供を目的とする。The present invention has been made in view of the above circumstances. It is easy to form a lubricating layer, the friction coefficient value of the lubricating layer can be made sufficiently low, and the insulating coating is mechanically damaged. It is an object of the present invention to provide an anti-friction agent and a lubricity-insulated electric wire that can reduce the above.
【０００９】[0009]
【課題を解決するための手段】かかる課題は、ワックス
類に低分子量オレフィン系樹脂の粉末を配合した減摩剤
を他の絶縁被膜を介して最外層に塗布，焼付けて潤滑性
絶縁電線とすることで解決される。[Means for Solving the Problems] The problem is to apply a lubricant, which is a mixture of waxes and low-molecular-weight olefin resin powder, to the outermost layer through another insulating coating and bake it to obtain a lubricated insulated wire. It will be solved.
【００１０】以下、本発明を詳しく説明する。図１に本
発明の一実施例を示す。この潤滑性絶縁電線１は、銅な
どからなる導体２上に通常用いられる絶縁塗料を被覆す
ることにより形成された絶縁被膜３を有し、さらにその
上に最外層の潤滑層４を有してなるものである。The present invention will be described in detail below. FIG. 1 shows an embodiment of the present invention. This lubricated insulated electric wire 1 has an insulating coating 3 formed by coating a commonly used insulating coating on a conductor 2 made of copper or the like, and further has an outermost lubricating layer 4 thereon. It will be.
【００１１】上記潤滑層４は、ワックス類に低分子量オ
レフィン系樹脂の粉末を配合した減摩剤を塗布，焼付け
して形成されたものである。The lubricating layer 4 is formed by coating a wax with a lubricant having a low molecular weight olefin resin powder and baking it.
【００１２】上記ワックス類としては、天然ろう、合成
ろうなどが用いられる。天然ワックスとしては、カルナ
バワックス、キャンデリラワックス、モンタンワック
ス、オリキュリーワックス、ケーンワックス、みつろ
う、鯨ろう、支那昆虫ろう、木ろう、オゾケライト、セ
レシンなどが用いられる。As the waxes, natural wax, synthetic wax and the like are used. As the natural wax, carnauba wax, candelilla wax, montan wax, oliculie wax, cane wax, beeswax, whale wax, Chinese insect wax, wood wax, ozokerite, ceresin and the like are used.
【００１３】また合成ろうとしては、マイクロクリスタ
リンワックス、パラフィンワックス、低分子ポリエチレ
ン、および誘導体、モンタン誘導体、マイクロワックス
誘導体、合成酸化ワックス、ポリエチレングリコール、
ステアリン酸ソルビトール、カストールワックス、オパ
ールワックス、アタクチックポリプレン、アルファオレ
フィンワックス、ハロゲン化炭化水素などが用いられ
る。これらワックス類は、一種もしくは二種以上を任意
の割合で混合して、結合剤等に添加される。上記結合剤
としては、バルサム、コパール、ダンマー、シェラック
などの熱可塑性樹脂等が用いられる。As the synthetic wax, microcrystalline wax, paraffin wax, low molecular weight polyethylene, and derivative, montan derivative, microwax derivative, synthetic oxide wax, polyethylene glycol,
Sorbitol stearate, castor wax, opal wax, atactic polypropylene, alpha olefin wax, halogenated hydrocarbon and the like are used. One kind or two or more kinds of these waxes are mixed at an arbitrary ratio and added to the binder or the like. As the binder, a thermoplastic resin such as balsam, copearl, dammer, shellac or the like is used.
【００１４】上記低分子量オレフィン系樹脂の粉末とし
ては、平均粒子径が０．１〜２０μｍ程度のものが用い
られる。平均粒子径が０．１μｍより小さいと二次凝集
が大きく実際の粒径は数μｍとなってしまい０．１μｍ
以下の粒径である意味がない、また、２０μｍより大き
いと塗布時に粉末が塗布ダイスに詰まり易くなり、作業
性が悪化し、仕上がり表面が不良となる。As the powder of the low molecular weight olefin resin, one having an average particle diameter of about 0.1 to 20 μm is used. If the average particle size is smaller than 0.1 μm, secondary aggregation is large and the actual particle size becomes several μm, which is 0.1 μm.
The following particle sizes are meaningless, and if the particle size is more than 20 μm, the powder easily becomes clogged in the coating die during coating, workability deteriorates, and the finished surface becomes defective.
【００１５】上記低分子量オレフィン系樹脂の分子量
は、１０００以上とされる。分子量が１０００未満であ
ると融点が低く潤滑層の耐熱性を低下させる。The low molecular weight olefin resin has a molecular weight of 1000 or more. When the molecular weight is less than 1000, the melting point is low and the heat resistance of the lubricating layer is reduced.
【００１６】上記低分子量オレフィン系樹脂の粉末の具
体例としては、ケミパール（三井石油化学株式会社製）
等が挙げられる。Specific examples of the low molecular weight olefin resin powder include Chemipearl (manufactured by Mitsui Petrochemical Co., Ltd.)
Etc.
【００１７】このような低分子量オレフィン系樹脂の粉
末をワックス類に配合して減摩剤を得るには、低分子量
オレフィン系樹脂の粉末の所定量をワックス類が添加さ
れた結合剤に添加し、通常の攪拌機により攪拌すること
で行なわれる。In order to obtain the anti-friction agent by blending the powder of such a low molecular weight olefin resin with the wax, a predetermined amount of the powder of the low molecular weight olefin resin is added to the binder containing the wax. It is carried out by stirring with an ordinary stirrer.
【００１８】低子量のオレフィン系樹脂の配合割合は、
上記減摩剤１００重量％中１〜５０重量％程度とされ
る。配合割合が１重量％より少ないと充分な潤滑性が現
われない。また、５０重量％より多いと上記ワックス類
が添加された結合剤への分散が良好に行なわれず、沈澱
したり、凝集したりする。The mixing ratio of the low molecular weight olefin resin is
It is set to about 1 to 50% by weight in 100% by weight of the above lubricant. If the blending ratio is less than 1% by weight, sufficient lubricity does not appear. On the other hand, if the content is more than 50% by weight, the wax is not well dispersed in the binder to which the wax is added, and precipitates or aggregates.
【００１９】このようにして得られる減摩剤を、通常、
他の絶縁被膜３を介してその最外層に塗布し、焼付けて
潤滑層４を形成すると潤滑性絶縁電線１が得られる。他
の絶縁被膜３としては、ポリアミドイミド、ポリエステ
ル、ポリエステルイミド、ポリウレタン、ポリビニルホ
ルマール、ポリヒダントイン、ポリエステルアミドイミ
ド、ポリエステルアミド、ポリアミド、ポリビニルブチ
ラール、エポキシなどの周知の絶縁塗料を塗布，焼付け
したものが用いられる。The lubricant thus obtained is usually
When the outermost layer is applied through another insulating coating 3 and baked to form the lubricating layer 4, the lubricating insulated electric wire 1 is obtained. As the other insulation coating 3, a material obtained by applying and baking a well-known insulation coating such as polyamide-imide, polyester, polyester-imide, polyurethane, polyvinyl formal, polyhydantoin, polyester-amide imide, polyester-amide, polyamide, polyvinyl butyral and epoxy. Used.
【００２０】潤滑層４の膜厚は、１〜１０μｍ程度とさ
れる。膜厚が１μｍより薄いと潤滑特性が発揮されな
い、また、１０μｍより厚いと潤滑層間の密着性が低下
し皮膜全体の機械特性の低下となる。The thickness of the lubricating layer 4 is about 1-10 μm. If the film thickness is less than 1 μm, the lubricating properties will not be exhibited, and if it is more than 10 μm, the adhesion between the lubricating layers will decrease and the mechanical properties of the entire film will decrease.
【００２１】このようにして得られる潤滑性絶縁電線１
は、ワックス類に低分子量オレフィン系樹脂の粉末を配
合した減摩剤を他の絶縁被膜３を介して最外層に塗布，
焼付けて潤滑層４を形成したものであるので、この潤滑
層４の摩擦係数値が十分低くなるとともに高速巻線加工
時に絶縁被膜３が機械的損傷を受けることが少なくな
る。また、上記減摩剤の塗布，焼付けは、従来の減摩剤
に比べて容易に行なうことができる。Lubricated insulated electric wire 1 thus obtained
Is an anti-friction agent in which waxes are mixed with a powder of a low molecular weight olefin resin, and is applied to the outermost layer through another insulating coating 3.
Since the lubricating layer 4 is formed by baking, the friction coefficient value of the lubricating layer 4 becomes sufficiently low, and the insulating coating 3 is less likely to be mechanically damaged during high-speed winding processing. Further, the application and baking of the above-mentioned lubricant can be easily performed as compared with the conventional lubricant.
【００２２】[0022]
【実施例】以下に実施例を示してさらに詳しく説明す
る。 （実施例１〜５）減摩剤（ＴＥＣ ９６０１）にケミパ
ール（三井石油化学株式会社製）を配合して実施例の減
摩剤とした。ここで、低分子量オレフィン系樹脂の粉末
の配合割合を１０重量％、２０重量％、３０重量％、４
０重量％、５０重量％と変えたものを用意し、それぞれ
実施例１〜５とした。EXAMPLES The present invention will be described in more detail below with reference to examples. Examples 1 to 5 Chemipearl (manufactured by Mitsui Petrochemical Co., Ltd.) was blended with the lubricant (TEC 9601) to obtain the lubricant of the examples. Here, the blending ratio of the powder of the low molecular weight olefin resin is 10% by weight, 20% by weight, 30% by weight, 4% by weight.
A mixture of 0% by weight and 50% by weight was prepared, and examples 1 to 5 were prepared.
【００２３】一方、直径１．０mmの導体２上にポリエス
テルからなる絶縁被膜３（膜厚３８μｍ）を有してなる
ポリエステル線を用意し、このポリエステル線の外周上
に、先に得た実施例１〜５の減摩剤をそれぞれ塗布し、
焼付を行った。塗布、焼付は１回行い、厚さ３μｍの潤
滑層４を形成し、潤滑性絶縁電線１を得た。On the other hand, a polyester wire having an insulating coating 3 (thickness 38 μm) made of polyester on a conductor 2 having a diameter of 1.0 mm was prepared, and the above-obtained embodiment was used on the outer circumference of the polyester wire. Apply 1 to 5 lubricants,
It was baked. Application and baking were performed once to form a lubricating layer 4 having a thickness of 3 μm, and a lubricated insulated electric wire 1 was obtained.
【００２４】（比較例１）直径１．０mmの導体上にポリ
エステルからなる絶縁被膜（膜厚４１μｍ）を有してな
るポリエステル線を用意し、このポリエステル線の外周
上に潤滑油（スミソ ４ＧＳ）を塗布して潤滑層を形成
し、潤滑性絶縁電線を得た。ここで、潤滑油の塗布量は
２mg／ｃｍ2とした。(Comparative Example 1) A polyester wire having an insulating coating made of polyester (film thickness 41 μm) on a conductor having a diameter of 1.0 mm was prepared, and lubricating oil (Sumiso 4GS) was provided on the outer circumference of the polyester wire. Was applied to form a lubricating layer to obtain a lubricated insulated electric wire. Here, the amount of lubricating oil applied was 2 mg / cm 2 .
【００２５】（比較例２）直径１．０mmの導体上にポリ
エステルからなる絶縁被膜（膜厚４０μｍ）を有してな
るポリエステル線を用意し、このポリエステル線の外周
上に従来の減摩剤（ＴＥＣ ９６０１）を塗布し、４０
０℃で焼付を行って潤滑層を形成し、潤滑性絶縁電線を
得た。ここで、減摩剤の塗布量は２mg／ｃｍ2とし、そ
の厚さは１μｍとした。(Comparative Example 2) A polyester wire having an insulating coating made of polyester (film thickness 40 μm) on a conductor having a diameter of 1.0 mm was prepared, and a conventional lubricant ( TEC 9601) and apply 40
Baking was performed at 0 ° C. to form a lubricating layer, and a lubricated insulated electric wire was obtained. Here, the coating amount of the lubricant was 2 mg / cm 2 and its thickness was 1 μm.
【００２６】以上のようにして得られた実施例（５例）
および比較例（２例）について静摩擦係数、巻線性を調
べた。その結果を下記表１および表２に示す。表中、静
摩擦係数の測定は東洋精機（株）製の電線滑り試験器を
用い、荷重２００ｇで行った。また、巻線性は高速巻線
機で巻回した際に潤滑性が良好なものを○、潤滑性が劣
るもの、あるいは巻回において製品不良が発生するもの
を×で示した。Examples (5 examples) obtained as described above
The static friction coefficient and the winding property of the comparative examples (2 examples) were examined. The results are shown in Tables 1 and 2 below. In the table, the static friction coefficient was measured with an electric wire slip tester manufactured by Toyo Seiki Co., Ltd. under a load of 200 g. In addition, the winding property is shown by ◯ when the lubricating property is good when wound by a high-speed winding machine, and by X when the lubricating property is inferior or a product defect occurs in the winding.
【００２７】[0027]
【表１】 [Table 1]
【００２８】[0028]
【表２】 [Table 2]
【００２９】表１および表２に示した結果から明らかな
ように、実施例の潤滑性絶縁電線１にあっては、静摩擦
係数値が十分低く、巻線性に優れるものであった。これ
に比べて、比較例１にあっては静摩擦係数値が０．１５
３と高く、巻線においては潤滑性絶縁電線に傷が生じ
た。また比較例２にあっては減摩剤の成分が巻線機のノ
ズルにつまり潤滑性絶縁電線に傷が生じるだけでなく、
断線も発生した。As is clear from the results shown in Tables 1 and 2, the lubricating insulated wire 1 of the example had a sufficiently low coefficient of static friction and excellent winding property. In comparison, in Comparative Example 1, the static friction coefficient value is 0.15.
3 was high, and the wound insulated wire was damaged in the winding. Moreover, in Comparative Example 2, not only the nozzle of the winding machine, that is, the lubricated insulated wire is damaged by the component of the lubricant,
A wire break also occurred.
【００３０】[0030]
【発明の効果】以上説明したように、本発明の減摩剤
は、ワックス類に低分子量オレフィン系樹脂の粉末を配
合したものであるので、潤滑層の摩擦係数値を十分に低
くすることが可能で、かつ絶縁被膜が機械的損傷を受け
ることを低減することが可能なる。また、潤滑層の形成
が容易であるので、作業性が向上する。また、本発明の
潤滑性絶縁電線は、上記減摩剤を他の絶縁被膜を介して
最外層に塗布，焼付けしたものであるので、優れた耐加
工劣化性、耐摩耗性を示すものとなり、信頼性の高いコ
イル等が得られる。As described above, since the lubricant of the present invention is a mixture of wax and low molecular weight olefin resin powder, it is possible to sufficiently lower the friction coefficient of the lubricating layer. It is possible and it is possible to reduce mechanical damage to the insulating coating. Further, since the lubricating layer can be easily formed, workability is improved. Further, the lubricated insulated wire of the present invention is one in which the above-mentioned lubricant is applied to the outermost layer through another insulating coating and baked, so that it exhibits excellent work deterioration resistance and wear resistance, A highly reliable coil or the like can be obtained.
【図１】 本発明の潤滑性絶縁電線の一実施例を示した
断面図である。FIG. 1 is a cross-sectional view showing an embodiment of a lubricated insulated wire of the present invention.
１ 潤滑性絶縁電線 ２ 導体 ３ 絶縁被膜 ４ 潤滑層 1 Lubricating insulated wire 2 Conductor 3 Insulating film 4 Lubricating layer
フロントページの続き (51)Int.Cl.5 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｈ０１Ｂ 7/18 Ｂ 7244−5Ｇ (72)発明者 喜多見 真也 静岡県沼津市双葉町９番１号 藤倉電線株 式会社沼津工場内Continuation of the front page (51) Int.Cl. 5 Identification number Reference number in the agency FI Technical indication location H01B 7/18 B 7244-5G (72) Inventor Shinya Kitami 9-1 Futaba-cho, Numazu-shi, Shizuoka Fujikura Electric Wire Co., Ltd. Inside the Numazu Factory
Claims (2)
の粉末を配合した減摩剤。1. An antifriction agent comprising a wax and a low molecular weight olefin resin powder blended therein.
を介して最外層に塗布，焼付けてなる潤滑性絶縁電線。2. A lubricated insulated wire obtained by applying the anti-friction agent according to claim 1 to the outermost layer through another insulating coating and baking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21304392A JPH0657145A (en) | 1992-08-10 | 1992-08-10 | Antifriction material and lubricated insulated wire prepared by using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21304392A JPH0657145A (en) | 1992-08-10 | 1992-08-10 | Antifriction material and lubricated insulated wire prepared by using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0657145A true JPH0657145A (en) | 1994-03-01 |
Family
ID=16632574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21304392A Pending JPH0657145A (en) | 1992-08-10 | 1992-08-10 | Antifriction material and lubricated insulated wire prepared by using same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0657145A (en) |
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-
1992
- 1992-08-10 JP JP21304392A patent/JPH0657145A/en active Pending
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