JP2004204357A - Metal coat roll - Google Patents

Metal coat roll Download PDF

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JP2004204357A
JP2004204357A JP2004091745A JP2004091745A JP2004204357A JP 2004204357 A JP2004204357 A JP 2004204357A JP 2004091745 A JP2004091745 A JP 2004091745A JP 2004091745 A JP2004091745 A JP 2004091745A JP 2004204357 A JP2004204357 A JP 2004204357A
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roll
metal
plating
peripheral surface
layer
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JP3629491B2 (en
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Takeo Gomi
武夫 五味
Yasuo Miura
康雄 三浦
Mitsuto Kondo
光人 近藤
Akito Kojima
章人 小島
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Mitsubishi Rayon Co Ltd
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Mitsubishi Rayon Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a metal coat roll which is light in weight and small in inertia and has high rigidity, and is suitable for a transporting roll used for manufacturing film, paper, foil, etc., a dancer roll, a measuring roll, a sizing roll, a laminating roll, etc., and which ensures high productivity and high quality without necessitating complicated work and long time plating treatment by reducing the heat generation at the roll end part during chromium plating. <P>SOLUTION: In the metal coat roll, a metal-made end member having a rotary shaft of the roll is inserted/joined to the inside of both end parts of a cylindrical roll core body made of a carbon fiber reinforced plastic and also the roll outer periphery is substantially covered with a metal plating film over the roll whole length. At least one of the metal-made end member has a part in which the roll outer periphery is directly applied with nickel plating or copper plating and the part is allowed to contact with the inner periphery of the metal plating film applied on the roll outer periphery over the roll whole length through the nickel plating layer or the copper plating layer. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

本発明は、軽量で慣性が小さく且つ高い剛性を有するロールに関し、特にフィルム、紙、箔等の製造工程に使用される搬送ロール、ダンサーロール、計測ロール、糊付けロール、ラミネーティングロール等として適したロールに関する。   The present invention relates to a roll having light weight, small inertia, and high rigidity, and is particularly suitable as a transport roll, a dancer roll, a measuring roll, a gluing roll, a laminating roll, and the like used in a manufacturing process of a film, paper, foil, and the like. About roles.

これまで、フィルム、紙、箔等の製造工程で用いられる上記のような各種のロールは、鋼、アルミニウム等の金属製のものがほとんどであった。しかし、これら金属製ロールは重量が重く、しかも慣性モーメントも大きいため、フィルム、紙、箔等の加工工程において被処理物に対する追従性が悪く、被処理物に擦り傷等を発生させたり、起動・停止に長時間を要する等の欠点があった。   Until now, most of the above-mentioned various rolls used in the production process of films, papers, foils, etc. are made of metal such as steel and aluminum. However, since these metal rolls are heavy and have a large moment of inertia, they have poor ability to follow a workpiece in a process of processing a film, paper, foil, or the like. There are drawbacks such as a long time required for stopping.

近年、上記金属製ロールによる問題を解消するため、金属よりも軽量、低慣性で且つ比弾性率（剛性）の高い炭素繊維強化プラスチック（ＣＦＲＰ）を用いた、いわゆるコンポジットロールが開発され、業界で高い評価を受け盛んに用いられるようになった。コンポジットロールを使用することにより、フィルム、紙、箔等の加工工程において大幅なスピードアップが可能になるばかりでなく、製品の品質も向上した。そして、このようにコンポジットロールの効果、有用性が一般に認知されるようになるとともに、コンポジットロールを大型のロールにも適用する要望が高まってきた。   In recent years, so-called composite rolls using carbon fiber reinforced plastics (CFRP), which are lighter, have lower inertia, and have higher specific elastic modulus (rigidity) than metal, have been developed to solve the problems caused by the metal rolls described above. It has gained a high reputation and has been widely used. The use of composite rolls not only enables a significant speed-up in the processing of films, paper, foil, etc., but also improves product quality. In this way, the effect and usefulness of the composite roll have been generally recognized, and there has been an increasing demand for applying the composite roll to a large-sized roll.

コンポジットロールを上記用途に用いるためには、ロールの外周面に良好な平滑性と高い耐久性を付与するために、電解メッキによるクロムメッキ（硬質クロムメッキ）が施される。
しかし、コンポジットロールを大型ロールに適用するとその製造に際して、特に電解クロムメッキ時に下記の問題があることが分かった。 In order to use the composite roll for the above purpose, chrome plating (hard chrome plating) by electrolytic plating is applied to the outer peripheral surface of the roll to impart good smoothness and high durability.
However, it has been found that when the composite roll is applied to a large-sized roll, the following problems are encountered in the production thereof, particularly during electrolytic chromium plating.

図１を参照して、従来のコンポジットロールの製造手順を具体的に説明する。なお、同図（ｂ）は同図（ａ）のＭの部分を拡大して示したものである。
コンポジットロール１０は、炭素繊維強化プラスチック（ＣＦＲＰ）製の円筒状ロール芯体１１の両端内部に、ロール回転軸１２Ａを有する金属製端部材（ヘッダー）１２が挿入・接合されており、且つ実質的にロール全長にわたってロール外周面が金属メッキ皮膜１３で被覆されている構造を有し、通称としてメタルコートロールと呼ばれている。金属メッキ皮膜１３は、ＣＦＲＰ１１の表面に導電処理層１４を形成した上に、通常は銅メッキ層１５を形成し、その上にクロムメッキ層１６を形成する。また場合によっては、銅メッキ層１５の上に更にニッケルメッキ（図示せず）を行ってから、クロムメッキ１６を行う。 With reference to FIG. 1, a conventional procedure for manufacturing a composite roll will be specifically described. FIG. 2B is an enlarged view of a portion M in FIG.
In the composite roll 10, a metal end member (header) 12 having a roll rotation axis 12A is inserted and joined inside both ends of a cylindrical roll core body 11 made of carbon fiber reinforced plastic (CFRP), and substantially. Has a structure in which the outer peripheral surface of the roll is covered with a metal plating film 13 over the entire length of the roll, and is generally called a metal coat roll. In the metal plating film 13, a copper plating layer 15 is usually formed on the conductive treatment layer 14 formed on the surface of the CFRP 11, and a chrome plating layer 16 is formed thereon. In some cases, nickel plating (not shown) is further performed on the copper plating layer 15 and then chrome plating 16 is performed.

電解クロムメッキを行う際、被メッキ面となるロール外周面へのメッキ電流の供給はロール端のヘッダー部１２にあるロール軸１２Ａに電極を装着して行い、ロール外周面の主要部に均一なメッキ層が形成されるようにする。ロール軸１２Ａから供給されたメッキ電流Ｃは、図１（ｂ）に矢印で示したようにヘッダー１２内を通りＣＦＲＰ１１、導電処理層１４、銅メッキ層１５を介してクロム電着部１６に供給される。   When performing electrolytic chrome plating, the supply of plating current to the outer peripheral surface of the roll, which is the surface to be plated, is performed by mounting an electrode on the roll shaft 12A in the header portion 12 at the end of the roll, and a uniform portion is provided on the main portion of the outer peripheral surface of the roll. A plating layer is formed. The plating current C supplied from the roll shaft 12A is supplied to the chromium electrodeposited portion 16 through the CFRP 11, the conductive treatment layer 14, and the copper plating layer 15 through the inside of the header 12 as shown by an arrow in FIG. Is done.

ＣＦＲＰ１１自体は導電性があるとはいえ、ＣＦＲＰ１１と銅メッキ層１５との密着性は必ずしも良くないので両者の界面で電気抵抗が大きくなるため、ロールが大型化しメッキ電流が大きくなるとメッキ実施中に上記界面でかなりの発熱があり、ヘッダー部にメッキ不良等が発生することがあった。
その対策として、クロムメッキ時のメッキ治具をコンポジットロール専用の特殊なものを用い、メッキ電流も従来の金属ロールのクロムメッキ時の電流に比べて少ない電流値とする等の工夫を行っていた。そのため、メッキ作業が煩雑になるばかりでなく、メッキに長時間を要し、しかもメッキ品質が不安定になり生産性も低下するという問題があった。 Although the CFRP 11 itself has conductivity, the adhesion between the CFRP 11 and the copper plating layer 15 is not always good, so that the electrical resistance increases at the interface between them. There was considerable heat generation at the interface, and plating failures and the like sometimes occurred in the header portion.
As a countermeasure, a special plating jig for chrome plating was used exclusively for composite rolls, and the plating current was reduced to a value smaller than the current for chrome plating of conventional metal rolls. . Therefore, not only the plating work becomes complicated, but also a long time is required for plating, and the plating quality becomes unstable and the productivity is reduced.

本発明は、クロムメッキ時のロール端部での発熱を低減することにより、煩雑な作業や長時間のメッキ処理を必要とせず、高い生産性と高品質を確保できるように構造を改良したメタルコートロールを提供することを目的とする。   The present invention reduces the heat generated at the end of the roll during chrome plating, thereby eliminating the need for complicated work and long-time plating, and improving the structure of the metal to ensure high productivity and high quality. It is intended to provide a coat roll.

上記の目的を達成するために、本発明のメタルコートロールは、炭素繊維強化プラスチック製の円筒状ロール芯体の両端内部に、ロール回転軸を有する金属製端部材が挿入・接合されており、且つ実質的にロール全長にわたってロール外周面が金属メッキ皮膜で被覆されているメタルコートロールにおいて、
上記金属製端部材の少なくとも一つが、その外周面にニッケルメッキ又は銅メッキが直接施されており、このニッケルメッキ又は銅メッキの層を介して上記ロール全長にわたってロール外周面に被覆した上記金属メッキ皮膜の内周面と直接接触した部分を有することを特徴とする。 In order to achieve the above object, the metal coat roll of the present invention has a metal end member having a roll rotation axis inserted and joined inside both ends of a cylindrical roll core made of carbon fiber reinforced plastic, And a metal coat roll in which the roll outer peripheral surface is coated with a metal plating film over substantially the entire length of the roll,
At least one of the metal end members is provided with nickel plating or copper plating directly on the outer peripheral surface thereof, and the metal plating covering the roll outer peripheral surface over the entire length of the roll via the nickel plating or copper plating layer. It has a portion in direct contact with the inner peripheral surface of the coating.

本発明のメタルコートロールは、金属製端部材（ヘッダー）の少なくとも一つが、その外周面に、金属メッキ皮膜の内周面と直接接触した部分を有するので、従来のようにＣＦＲＰと金属層（例えば銅メッキ層）との界面すなわち高抵抗部を介さず、導電性の良い金属部分のみを介して電着部へメッキ電流を供給することができるため、従来ＣＦＲＰ／金属界面での高抵抗により発生したような発熱を生ずることなく、クロムメッキを行うことができる。   In the metal coat roll of the present invention, at least one of the metal end members (headers) has a portion on the outer peripheral surface thereof which is in direct contact with the inner peripheral surface of the metal plating film. For example, the plating current can be supplied to the electrodeposited portion only through the metal portion having good conductivity without passing through the interface with the copper plating layer, that is, the high resistance portion. The chromium plating can be performed without generating heat as generated.

本発明は、ロール端部に電極を装着してロール外周面の金属皮膜を電解メッキにより形成する構造のコンポジットロールあるいはメタルコートロールであれば、どのようなロールに適用しても効果があるが、特に金属メッキ皮膜の最外層として電解クロムメッキを行う場合は、従来構造での発熱が大きいので本発明の効果が顕著に現れる。   The present invention is effective even if applied to any roll as long as it is a composite roll or a metal coat roll having a structure in which an electrode is attached to the roll end and a metal film on the outer peripheral surface of the roll is formed by electrolytic plating. In particular, when electrolytic chromium plating is performed as the outermost layer of the metal plating film, the effect of the present invention is remarkably exhibited because the conventional structure generates a large amount of heat.

最外層としてクロムメッキ層を形成する場合、一般的な金属メッキ皮膜の構造は、最内層から順にニッケルメッキ層、銅メッキ層およびクロムメッキ層または最内層から順に銅メッキ層およびクロムメッキ層から成る。   When a chrome plating layer is formed as the outermost layer, the structure of a general metal plating film includes a nickel plating layer, a copper plating layer, and a chrome plating layer in order from the innermost layer, or a copper plating layer and a chrome plating layer in order from the innermost layer. .

一般に、炭素繊維強化プラスチック製円筒状ロール芯体は、その外周面を特公平３−１２５４１号公報に記載されているように導電処理した上に金属メッキを行うと良好なメッキ処理を行う上で有利である。
以下に、実施例によって本発明を更に詳細に説明する。 In general, when a cylindrical roll core made of carbon fiber reinforced plastic is subjected to a conductive treatment as described in JP-B-3-12541 and then to a metal plating, an excellent plating treatment is performed. It is advantageous.
Hereinafter, the present invention will be described in more detail with reference to Examples.

〔実施例〕
本発明により、ロール面長さ３５００ｍｍ、ロール全長３９６０ｍｍ、外径２２０ｍｍ、内径２００ｍｍで、ロール面がハードクロムメッキされたロールを製作した。得られたロール構造を図２に示す。同図（ｂ）は同図（ａ）の部分Ｍを拡大して示したものである。 〔Example〕
According to the present invention, a roll having a roll surface length of 3500 mm, a total roll length of 3960 mm, an outer diameter of 220 mm, and an inner diameter of 200 mm and having a hard chrome plated roll surface was manufactured. FIG. 2 shows the obtained roll structure. FIG. 2B is an enlarged view of a portion M of FIG.

図２（ａ）において、本発明のメタルコートロールあるいはコンポジットロール２０は、炭素繊維強化プラスチック製の円筒状ロール芯体２１の両端内部に、ロール回転軸２２Ａを有する金属製端部材２２が挿入・接合されており（２２Ｃの部分）、且つ実質的にロール全長にわたってロール外周面が金属メッキ皮膜２３で被覆されている構造において、上記金属製端部材２２の少なくとも一つが（図示の例では両方共に）、その外周面に、上記金属メッキ皮膜２３の内周面と直接接触した部分２２Ｂを有する。   In FIG. 2A, a metal coated roll or composite roll 20 of the present invention has a metal end member 22 having a roll rotation shaft 22A inserted into both ends of a cylindrical roll core 21 made of carbon fiber reinforced plastic. In a structure in which the metal end member 22 is joined (portion 22C) and the outer peripheral surface of the roll is covered with the metal plating film 23 over substantially the entire length of the roll, at least one of the metal end members 22 (both are both shown in the illustrated example) ), On the outer peripheral surface thereof, there is a portion 22B directly in contact with the inner peripheral surface of the metal plating film 23.

図２（ａ）および図２（ｂ）を参照してメタルコートロール２０の製造手順を以下に説明する。   The manufacturing procedure of the metal coat roll 20 will be described below with reference to FIGS.

〔炭素繊維強化プラスチック（ＣＦＲＰ）芯体の作製〕
ＣＦＲＰ芯体２１は、フィラメントワインディング成形により成形した。用いた炭素繊維は、繊維弾性率４０Ｔｏｎ／ｍｍ2 の三菱レイヨン製「パイロフィル」（登録商標）ＨＲＸ４０を用いた。マトリックス樹脂はエポキシ樹脂を用いた。芯体２１は硬化後にマンドレルから脱型し、長さ３４５０ｍｍに切断した。 [Preparation of carbon fiber reinforced plastic (CFRP) core]
The CFRP core 21 was formed by filament winding molding. As the carbon fibers used, "Pyrofil" (registered trademark) HRX40 manufactured by Mitsubishi Rayon having a fiber elastic modulus of 40 Ton / mm 2 was used. An epoxy resin was used as the matrix resin. The core 21 was released from the mandrel after curing, and cut into a length of 3450 mm.

〔金属製端部材（ヘッダー）の作製〕
ヘッダー部２２として、先ずアルミニウム材料を機械加工により外径２１９ｍｍ（ロール端面寄りの部分２２Ｂ）および１９９ｍｍ（ロール内部寄りの部分２２Ｃ）の段付きに仕上げた。次に、外周面のうちロール端面寄りの部分２２Ｂに厚さ０．０３ｍｍの電気ニッケルメッキ２７を施した。 [Production of metal end member (header)]
As the header portion 22, first, an aluminum material was machined to have a step diameter of 219 mm (portion 22B near the roll end surface) and 199 mm (portion 22C near the roll inside). Next, 0.03 mm-thick electric nickel plating 27 was applied to a portion 22B of the outer peripheral surface near the roll end surface.

〔ＣＦＲＰ芯体とヘッダーの接合〕
このヘッダー２２のロール内部寄りの部分２２ＣをＣＦＲＰ芯体２１の両端に挿入し接着剤で接合した。これにより、ヘッダー部２２のロール端面寄りの部分２２Ｂの外周面はＣＦＲＰ芯体２１の両端から露出した状態になっている。 [Joint of CFRP core and header]
The portion 22C of the header 22 near the inside of the roll was inserted into both ends of the CFRP core 21 and joined with an adhesive. As a result, the outer peripheral surface of the portion 22 </ b> B of the header portion 22 near the roll end surface is exposed from both ends of the CFRP core 21.

〔ＣＦＲＰ芯体の外径研磨および導電処理〕
このようにＣＦＲＰ芯体２１の両端にヘッダー２２を接合した状態で、円筒研磨機によりＣＦＲＰ芯体２１の外径を２１９．２ｍｍに研磨仕上げした後、銀粉体を配合したエポキシ樹脂の導電樹脂を塗布硬化せしめて銅メッキのための下地処理（導電処理）２４を施した。 [External polishing and conductive treatment of CFRP core]
With the header 22 bonded to both ends of the CFRP core 21 in this manner, the outer diameter of the CFRP core 21 is polished to 219.2 mm by a cylindrical grinder, and then an epoxy resin conductive resin mixed with silver powder is used. Was applied and cured, and a base treatment (conductive treatment) 24 for copper plating was performed.

〔電気銅メッキおよび外周研磨〕
ＣＦＲＰ芯体２１と両端のヘッダー部２２とから成るロール外周面全長に電気銅メッキ２５を施した後、外径を研磨して２１９．９４ｍｍに仕上げた。これによりロール外周は全面研磨仕上げされた銅メッキ面となっている。 [Electric copper plating and outer periphery polishing]
The entire outer peripheral surface of the roll composed of the CFRP core 21 and the header portions 22 at both ends was subjected to electrolytic copper plating 25, and the outer diameter was polished to a finish of 219.94 mm. As a result, the outer periphery of the roll has a copper-plated surface that is entirely polished.

〔電気クロムメッキ〕
研磨仕上げされたロール外周銅メッキ層２５の上に、電気クロムメッキ２６を施した後、最終仕上げ研磨を行い、外周全面が均一にクロムメッキ皮膜２６で被覆されたメタルコートロールを得た。
この電気クロムメッキは、金属製ロールのメッキ時に用いたものと同一のメッキ治具を用い、メッキ電流密度２５Ａ／ｄｍ2 、全メッキ電流約６０００Ａ共に非常に大きい値で行った。クロムメッキ処理の所要時間は２．２時間であった。 [Electric chrome plating]
After electrochromic plating 26 was applied on the polished roll outer peripheral copper plating layer 25, final finish polishing was performed to obtain a metal coat roll in which the entire outer peripheral surface was uniformly coated with the chrome plating film 26.
This electrochromic plating was carried out at the plating current density of 25 A / dm 2 and the total plating current of about 6000 A using very large values using the same plating jig as that used for plating the metal roll. The time required for the chromium plating treatment was 2.2 hours.

メッキ実施中、メッキ浴温度は５５℃に維持した。ヘッダー２２に設けた測温用の穴に熱電対を差し込んでヘッダーの温度を連続的に測定した。その結果、ヘッダーの温度は最高でも６１．２℃であり、メッキ浴温度５５℃に対する昇温は６．２℃であって、メッキ処理に支障のない範囲の昇温であった。
上記最終仕上げ研磨後にロール外周全体のクロムメッキ皮膜２６を肉眼により検査した結果、メッキ不良部は全く認められず、均一なメッキ皮膜であることが確認された。 During plating, the plating bath temperature was maintained at 55 ° C. A thermocouple was inserted into a temperature measurement hole provided in the header 22 to continuously measure the temperature of the header. As a result, the temperature of the header was at most 61.2 ° C., and the temperature increase with respect to the plating bath temperature of 55 ° C. was 6.2 ° C., which was a range that would not hinder the plating treatment.
As a result of visually inspecting the chrome plating film 26 on the entire outer periphery of the roll after the final finish polishing, no defective plating was recognized at all, and it was confirmed that the plating film was uniform.

なお本実施例では、ヘッダー２２の外周２２Ｂの部分は、アルミニウム製ヘッダー材の上にニッケルメッキ２７を施した後ＣＦＲＰ芯体２１と接合し、両者同時に電気銅メッキ２５を施したが、接合前のアルミニウムヘッダー材の上に直接に予め銅メッキを施しておいてもよい。
ニッケルメッキ、銅メッキは電解メッキまたは無電解メッキのいずれでもよいが、クロムメッキ時の大電流と高温に耐え得るメッキ層が形成される必要がある。 In the present embodiment, the outer periphery 22B of the header 22 is nickel-plated 27 on the aluminum header material and then joined to the CFRP core 21, and both of them are subjected to electrolytic copper plating 25 at the same time. May be directly plated with copper on the aluminum header material.
Nickel plating and copper plating may be either electrolytic plating or electroless plating, but it is necessary to form a plating layer that can withstand a large current and high temperature during chromium plating.

本発明に用いる金属製端部材（ヘッダー）の材質は、ロール全体の軽量化を考えるとアルミニウムが最も適しているが、ステンレス鋼等、ヘッダーとして十分な剛性、耐久性を有する材質であればよい。   As the material of the metal end member (header) used in the present invention, aluminum is most suitable in consideration of weight reduction of the entire roll, but any material having sufficient rigidity and durability as the header, such as stainless steel, may be used. .

また、ロール芯体を構成する炭素繊維強化プラスチック（ＣＦＲＰ）も上記実施例に限定されることなく、ロール芯体として十分な剛性、耐久性を有する材質であればよい。   Further, the carbon fiber reinforced plastic (CFRP) constituting the roll core is not limited to the above embodiment, and may be any material having sufficient rigidity and durability as the roll core.

〔従来例〕
比較のため、図１の構造の従来ロールを作製した。ロールの基本寸法およびロール外周のハードクロムメッキは実施例と同じである。
図１（ａ）において、メタルコートロールあるいはコンポジットロール１０は、炭素繊維強化プラスチック製の円筒状ロール芯体１１の両端内部に、ロール回転軸１２Ａを有する金属製端部材１２が挿入・接合されており、且つ実質的にロール全長にわたってロール外周面が金属メッキ皮膜１３で被覆されている。金属製端部材１２はその外周全体がＣＦＲＰ芯体１１の内部に挿入されており、金属メッキ皮膜１３と金属製端部材１２との間にＣＦＲＰ芯体１１が介在している。 (Conventional example)
For comparison, a conventional roll having the structure shown in FIG. 1 was manufactured. The basic dimensions of the roll and the hard chrome plating on the outer periphery of the roll are the same as in the embodiment.
In FIG. 1A, a metal-coated roll or a composite roll 10 is formed by inserting and joining a metal end member 12 having a roll rotation shaft 12A inside both ends of a cylindrical roll core 11 made of carbon fiber reinforced plastic. The outer peripheral surface of the roll is covered with the metal plating film 13 over substantially the entire length of the roll. The entire outer periphery of the metal end member 12 is inserted into the CFRP core 11, and the CFRP core 11 is interposed between the metal plating film 13 and the metal end member 12.

図１（ａ）および図１（ｂ）を参照してメタルコートロール１０の製造手順を以下に説明する。   The procedure for manufacturing the metal coat roll 10 will be described below with reference to FIGS. 1 (a) and 1 (b).

〔炭素繊維強化プラスチック（ＣＦＲＰ）芯体の作製〕
ＣＦＲＰ芯体１１を、実施例のＣＦＲＰ芯体２１と同様に作製した。 [Preparation of carbon fiber reinforced plastic (CFRP) core]
The CFRP core 11 was produced in the same manner as the CFRP core 21 of the example.

〔金属製端部材（ヘッダー）の作製〕
ヘッダー部１２として、先ずアルミニウム材料を機械加工により外径２１９ｍｍに仕上げた。 [Production of metal end member (header)]
As the header portion 12, first, an aluminum material was finished to an outer diameter of 219 mm by machining.

〔ＣＦＲＰ芯体とヘッダーの接合〕
このヘッダー１２をＣＦＲＰ芯体１１の端部に挿入し、ヘッダー１２の外周全体を接着剤で接合した。これにより、金属メッキ皮膜１３と金属製端部材１２との間にＣＦＲＰ芯体１１が介在した状態になっている。 [Joint of CFRP core and header]
The header 12 was inserted into the end of the CFRP core 11, and the entire outer periphery of the header 12 was joined with an adhesive. Thus, the CFRP core 11 is interposed between the metal plating film 13 and the metal end member 12.

〔ＣＦＲＰ芯体の外径研磨および導電処理〕
実施例と同様に、円筒研磨機によりＣＦＲＰ芯体１１の外径を２１９．２ｍｍに研磨仕上げした後、銅メッキのための下地処理（導電処理）１４を施した。 [External polishing and conductive treatment of CFRP core]
In the same manner as in the example, after the outer diameter of the CFRP core body 11 was polished to 219.2 mm by a cylindrical polishing machine, a base treatment (conductive treatment) 14 for copper plating was performed.

〔電気銅メッキおよび外周研磨〕
実施例と同様に、ＣＦＲＰ芯体１１と両端のヘッダー部１２とから成るロール外周面全長に電気銅メッキ１５、外径研磨仕上を行った。 [Electric copper plating and outer periphery polishing]
In the same manner as in the example, the entire outer peripheral surface of the roll including the CFRP core 11 and the header portions 12 at both ends was subjected to electrolytic copper plating 15 and outer diameter polishing.

〔電気クロムメッキ〕
研磨仕上げされたロール外周銅メッキ層１５の上に、電気クロムメッキ１６を施した後、最終仕上げ研磨を行った。
この電気クロムメッキは、金属製ロールのメッキ時に用いるものとは異なるメタルコートロール専用のメッキ治具を用い、メッキ電流密度１５Ａ／ｄｍ2 、全メッキ電流約３６３０Ａ共に非常に小さい値で行った。クロムメッキ処理の所要時間は３．６時間であった。 [Electric chrome plating]
After electrochromic plating 16 was applied on the polished roll outer peripheral copper plating layer 15, final finishing polishing was performed.
This electrochromic plating was carried out using a plating jig dedicated to a metal coat roll different from that used for plating a metal roll, with a plating current density of 15 A / dm 2 and a total plating current of about 3630 A, both being very small values. The time required for the chromium plating treatment was 3.6 hours.

メッキ実施中、メッキ浴温度は５５℃に維持した。ヘッダー１２に設けた測温用の穴に熱電対を差し込んでヘッダーの温度を連続的に測定した。その結果、ヘッダーの温度は最高８５℃に達し、メッキ浴温度５５℃に対して３０℃も昇温した。
上記最終仕上げ研磨後にロール外周全体のクロムメッキ皮膜１６を肉眼により検査した結果、ヘッダー１２の位置のロール外周部でメッキ不良が発生していた。 During plating, the plating bath temperature was maintained at 55 ° C. A thermocouple was inserted into a temperature measurement hole provided in the header 12 to continuously measure the temperature of the header. As a result, the temperature of the header reached a maximum of 85 ° C., which was 30 ° C. higher than the plating bath temperature of 55 ° C.
After the final polishing, the chrome plating film 16 on the entire outer periphery of the roll was visually inspected, and as a result, plating failure occurred at the outer periphery of the roll at the position of the header 12.

以上説明したように、本発明のメタルコートロールは、クロムメッキ時のロール端部での発熱を低減することができるので、煩雑な作業や長時間のメッキ処理を必要とせず、高い生産性と高品質を確保できる。   As described above, the metal coat roll of the present invention can reduce heat generation at the end of the roll during chrome plating, so that complicated work and long-time plating treatment are not required, and high productivity and High quality can be secured.

従来のメタルコートロール（コンポジットロール）の構造を示す断面図であり、図１（ｂ）は図１（ａ）の部分Ｍを拡大して示したものである。FIG. 1B is a cross-sectional view illustrating a structure of a conventional metal coat roll (composite roll), and FIG. 1B is an enlarged view of a portion M in FIG. 本発明のメタルコートロール（コンポジットロール）の構造の一例を示す断面図であり、図２（ｂ）は図２（ａ）のヘッダー部近傍部分Ｍを拡大して示したものである。FIG. 2B is a cross-sectional view illustrating an example of the structure of the metal coat roll (composite roll) of the present invention, and FIG. 2B is an enlarged view of a portion M near the header portion in FIG.

符号の説明Explanation of reference numerals

１０…従来のメタルコートロールあるいはコンポジットロール
１１…炭素繊維強化プラスチック製の円筒状ロール芯体
１２…金属製端部材（ヘッダー）
１２Ａ…金属製端部材１２のロール回転軸
１３…金属メッキ皮膜（銅メッキ層１５およびクロムメッキ層１６）
１４…銅メッキのための下地処理（導電処理）層
１５…銅メッキ層
１６…クロムメッキ層
２０…本発明のメタルコートロールあるいはコンポジットロール
２１…炭素繊維強化プラスチック製の円筒状ロール芯体
２２…金属製端部材（ヘッダー）
２２Ａ…金属製端部材２２のロール回転軸
２２Ｂ…金属製端部材２２のロール端面寄りの外周面（金属メッキ皮膜の直接接触する外周部分）
２２Ｃ…金属製端部材２２のロール芯体２１内挿入・接合部分
２３…金属メッキ皮膜（銅メッキ層２５およびクロムメッキ層２６、但し部分２２Ｂ上では銅メッキ層２５の下のニッケルメッキ層２７も含む）
２４…銅メッキのための下地処理（導電処理）層
２５…銅メッキ層
２６…クロムメッキ層
２７…ニッケルメッキ層 10: Conventional metal-coated roll or composite roll 11: Cylindrical roll core made of carbon fiber reinforced plastic 12: Metal end member (header)
12A: Roll rotating shaft 13 of metal end member 12: Metal plating film (copper plating layer 15 and chrome plating layer 16)
14: Undercoating (conductive treatment) layer for copper plating 15: Copper plating layer 16: Chromium plating layer 20: Metal coat roll or composite roll 21 of the present invention 21: Cylindrical roll core 22 made of carbon fiber reinforced plastic Metal end member (header)
22A: Roll rotating shaft 22B of metal end member 22: Outer peripheral surface of metal end member 22 near the roll end surface (outer peripheral portion of metal plating film in direct contact)
22C: A portion of the metal end member 22 inserted / joined in the roll core body 23: A metal plating film (a copper plating layer 25 and a chromium plating layer 26, but also a nickel plating layer 27 below the copper plating layer 25 on the portion 22B). Including)
24: Undercoating (conductive treatment) layer for copper plating 25: Copper plating layer 26: Chromium plating layer 27: Nickel plating layer

Claims (6)

炭素繊維強化プラスチック製の円筒状ロール芯体の両端内部に、ロール回転軸を有する金属製端部材が挿入・接合されており、且つ実質的にロール全長にわたってロール外周面が金属メッキ皮膜で被覆されているメタルコートロールにおいて、
上記金属製端部材の少なくとも一つが、その外周面にニッケルメッキ又は銅メッキが直接施されており、このニッケルメッキ又は銅メッキ層を介して上記ロール全長にわたってロール外周面に被覆した金属メッキ皮膜の内周面と接触した部分を有することを特徴とするメタルコートロール。 Metal end members having a roll rotation axis are inserted and joined inside both ends of a cylindrical roll core body made of carbon fiber reinforced plastic, and the outer peripheral surface of the roll is covered with a metal plating film over substantially the entire length of the roll. Metal coat roll
At least one of the metal end members has a nickel plating or copper plating applied directly to the outer peripheral surface thereof, and a metal plating film coated on the outer peripheral surface of the roll over the entire length of the roll via the nickel plating or copper plating layer. A metal coat roll having a portion in contact with an inner peripheral surface. 炭素繊維強化プラスチック製の円筒状ロール芯体にのみ、その外周面に導電処理を施され、この導電処理層の上に前記ロール全長にわたってロール外周面に被覆した金属メッキ皮膜が形成されていることを特徴とする請求項１記載のメタルコートロール。   Only the cylindrical roll core made of carbon fiber reinforced plastic is subjected to a conductive treatment on its outer peripheral surface, and a metal plating film covering the roll outer peripheral surface over the entire length of the roll is formed on the conductive treatment layer. The metal coat roll according to claim 1, wherein: 前記ロール全長にわたってロール外周面に被覆した金属メッキ皮膜は、最外層がクロムメッキ層であることを特徴とする請求項１または２記載のメタルコートロール。   3. The metal-coated roll according to claim 1, wherein the outermost layer of the metal plating film covering the outer peripheral surface of the roll over the entire length of the roll is a chromium plating layer. 前記ロール全長にわたってロール外周面に被覆した金属メッキ皮膜が、最内層から順にニッケルメッキ層、銅メッキ層およびクロムメッキ層または最内層から順に銅メッキ層およびクロムメッキ層から成ることを特徴とする請求項１〜３のいずれかに記載のメタルコートロール。   The metal plating film covering the outer peripheral surface of the roll over the entire length of the roll, the nickel plating layer, the copper plating layer and the chromium plating layer in order from the innermost layer, or the copper plating layer and the chromium plating layer in order from the innermost layer. Item 4. The metal coat roll according to any one of Items 1 to 3. 金属製端部材にニッケルメッキ又は銅メッキを施し、この金属製端部材と炭素繊維強化プラスチック製の円筒状ロール芯体とを接合し、炭素繊維強化プラスチック製の円筒状ロール芯体にのみ導電樹脂を塗布硬化せしめ、前記ニッケルメッキ又は銅メッキの層の外周面と銅メッキの層の内周面とが接するようにこのロール外周面全長に電気銅メッキを施した後、前記銅メッキ層の上に電気メッキを施すメタルコートロールの製造方法。   Nickel or copper plating is applied to the metal end member, and the metal end member is joined to a cylindrical roll core made of carbon fiber reinforced plastic, and the conductive resin is applied only to the cylindrical roll core made of carbon fiber reinforced plastic. After coating and curing, the entire outer peripheral surface of the roll is subjected to electrolytic copper plating so that the outer peripheral surface of the nickel-plated or copper-plated layer and the inner peripheral surface of the copper-plated layer are in contact with each other. For producing metal-coated rolls for electroplating steel. 前記銅メッキ層の上に施す電気メッキが、クロムメッキである請求項５記載のメタルコートロールの製造方法。   The method according to claim 5, wherein the electroplating applied on the copper plating layer is chrome plating.
JP2004091745A 2004-03-26 2004-03-26 Metal coat roll Expired - Lifetime JP3629491B2 (en)

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* Cited by examiner, † Cited by third party
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KR101177561B1 (en) * 2004-12-06 2012-08-28 주식회사 케이씨텍 Shaft in apparatus for transferring substrate
KR101310124B1 (en) * 2012-02-27 2013-09-23 주식회사 동방플랜텍 Carbon fiber-reinforced plastics manufacturing method of metal plating roller and this made roller
JP2014163446A (en) * 2013-02-25 2014-09-08 Wintec Co Ltd Roll
KR101286174B1 (en) 2013-04-26 2013-07-15 주식회사동서산업롤 Roll for transferring goods and manufacturing method therof
KR101446077B1 (en) * 2013-11-29 2014-09-29 유니테크 주식회사 Industrial roll manufacturing equipment
JP2015214727A (en) * 2014-05-09 2015-12-03 藤倉ゴム工業株式会社 Plating method of cfrp cylinder and cfrp cylinder having outer-surface plated layer
WO2020009161A1 (en) * 2018-07-06 2020-01-09 日鉄ケミカル＆マテリアル株式会社 Pressure contact roll
JP2020007605A (en) * 2018-07-06 2020-01-16 日鉄ケミカル＆マテリアル株式会社 Contact pressure roll
JP7169105B2 (en) 2018-07-06 2022-11-10 日鉄ケミカル＆マテリアル株式会社 Contact pressure roll

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