JPH05140723A - Frp shaft - Google Patents
Frp shaftInfo
- Publication number
- JPH05140723A JPH05140723A JP3326996A JP32699691A JPH05140723A JP H05140723 A JPH05140723 A JP H05140723A JP 3326996 A JP3326996 A JP 3326996A JP 32699691 A JP32699691 A JP 32699691A JP H05140723 A JPH05140723 A JP H05140723A
- Authority
- JP
- Japan
- Prior art keywords
- shaft
- frp
- resin
- frp shaft
- metal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C3/00—Shafts; Axles; Cranks; Eccentrics
- F16C3/02—Shafts; Axles
- F16C3/026—Shafts made of fibre reinforced resin
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Ocean & Marine Engineering (AREA)
- Mechanical Engineering (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
- Moulding By Coating Moulds (AREA)
- Coating By Spraying Or Casting (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は摩耗や劣化が起こりにく
い摺動部を備えたＦＲＰシャフトに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an FRP shaft having a sliding portion that is less likely to wear or deteriorate.
【０００２】[0002]
【従来の技術】従来から、シャフトにいろいろな材料を
用いて、軽量化を図り、性能を向上させている。その一
つとしてシャフトのＦＲＰ化がある。ＦＲＰシャフトは
フィラメント・ワインディング装置などにより成形され
る。ＦＲＰシャフトは軽量であるため、実用化できれば
軸受けの摩耗や疲労を低減し、動力伝達の効率を向上さ
せることが出来る。2. Description of the Related Art Conventionally, various materials have been used for a shaft to reduce the weight and improve the performance. One of them is to make the shaft FRP. The FRP shaft is molded by a filament winding device or the like. Since the FRP shaft is lightweight, it is possible to reduce wear and fatigue of the bearing and improve power transmission efficiency if it is put into practical use.
【０００３】[0003]
【発明が解決しようとする課題】しかし、従来のＦＲＰ
シャフトは表面の仕上がりが粗いので、滑り軸受装置に
より支持した場合、摩耗が激しく、潤滑油に汚染され
る。また摩擦熱によりＦＲＰシャフトが劣化するため、
ＦＲＰ成形体そのものでは滑り軸受けによる支持が不可
能である。また一般に、プラスチックなどの自己潤滑材
によるドライベアリング化を行う場合、プラスチック製
のシャフトと軸受けはともがねが起こり、摩耗が著しい
などの欠点がある。[Problems to be Solved by the Invention] However, the conventional FRP
Since the surface of the shaft has a rough finish, when it is supported by a plain bearing device, the shaft is greatly worn and is contaminated with lubricating oil. Also, because the FRP shaft is deteriorated by friction heat,
The FRP molded product itself cannot be supported by sliding bearings. Further, generally, when a dry bearing is formed by a self-lubricating material such as plastic, there is a drawback that the shaft and the bearing made of plastic are scratched, and the wear is remarkable.
【０００４】本発明は、摩擦による摩耗、劣化が起こり
にくく、潤滑油による汚染のないＦＲＰシャフトを得る
ことを目的とする。An object of the present invention is to obtain an FRP shaft which is less likely to be worn and deteriorated by friction and is free from contamination by lubricating oil.
【０００５】[0005]
【課題を解決するための手段】上記の課題を解決するた
めに、本発明者らは、ＦＲＰシャフトの摺動部表面に溶
射により金属層を形成したＦＲＰシャフトを作製した。In order to solve the above problems, the inventors of the present invention produced an FRP shaft having a metal layer formed by thermal spraying on the sliding portion surface of the FRP shaft.
【０００６】ここで行われる金属の溶射方法は、アーク
式、プラズマ式などがあげられるが、溶射時のＦＲＰシ
ャフト表面の温度上昇が低く抑えられる点で、アーク式
がより好ましい。The metal spraying method performed here includes an arc method and a plasma method, but the arc method is more preferable because the temperature rise on the surface of the FRP shaft during the spraying can be suppressed to a low level.
【０００７】また、溶射金属に対する接着性を高めるた
めにＦＲＰシャフト表面にブラスト処理を施すことが好
ましい。溶射する金属としては、アルミニウム、銅、ク
ロム、ニッケル、鉄などの金属やそれらの合金があげら
れる。合金としては、アルミブロンズ、二クロム、ステ
ンレスなどがあげられる。Further, it is preferable to subject the surface of the FRP shaft to a blast treatment in order to enhance the adhesion to the sprayed metal. Examples of the metal to be sprayed include metals such as aluminum, copper, chromium, nickel and iron, and alloys thereof. Examples of alloys include aluminum bronze, dichrome, and stainless steel.
【０００８】ＦＲＰシャフトの熱劣化を防ぐため、アル
ミニウム、アルミブロンズ等の融点の低い金属または合
金を下地として溶射して、そののち、シャフトに上塗の
金属または合金を溶射することが好ましい。In order to prevent thermal deterioration of the FRP shaft, it is preferable to spray a metal or alloy having a low melting point, such as aluminum or aluminum bronze, as a base, and then spray a metal or alloy as an overcoat on the shaft.
【０００９】金属溶射後、シャフトを機械加工して、仕
上げる。研磨により、シャフトの表面粗性が低減され
る。また、種々の金属を多層にわたり重ねて溶射するこ
とにより、シャフトの剛性に傾斜機能をもたせることも
可能である。After metal spraying, the shaft is machined and finished. The polishing reduces the surface roughness of the shaft. Further, it is possible to impart rigidity to the shaft with a tilting function by spraying various metals in a layered manner.
【００１０】本発明のＦＲＰシャフトに用いる強化繊維
材料は、比強度、比剛性が大きい繊維を用いる方が軽量
化の効果が顕著であるので好ましい。そのような繊維の
例として、炭素繊維、ガラス繊維、アラミド繊維、セラ
ミック繊維等があげられる。As the reinforcing fiber material used for the FRP shaft of the present invention, it is preferable to use a fiber having a large specific strength and specific rigidity because the effect of weight reduction is remarkable. Examples of such fibers include carbon fibers, glass fibers, aramid fibers, ceramic fibers and the like.
【００１１】これらの繊維を２種以上組み合わせて用い
ることもできる。なかでも炭素繊維が好ましく用いら
れ、炭素繊維とガラス繊維のハイブリッド使用も強度と
経済性の観点から好ましい。繊維の形態は特に限定され
るものでなく、ロービング状、織布状、プリプレグ状等
で用いることができる。Two or more kinds of these fibers can be used in combination. Among them, carbon fiber is preferably used, and hybrid use of carbon fiber and glass fiber is also preferable from the viewpoint of strength and economy. The form of the fiber is not particularly limited, and it can be used in the form of roving, woven fabric, prepreg, or the like.
【００１２】マトリックス樹脂は特に限定されるもので
はなく、エポキシ樹脂、不飽和ポリエステル樹脂、ビニ
ルエステル樹脂、ウレタン樹脂、フェノール樹脂、アル
キッド樹脂、イミド樹脂、ビスマレイミド樹脂、キシレ
ン樹脂、メラミン樹脂、フラン樹脂、シリコン樹脂、等
の熱硬化性樹脂、ポリエチレン樹脂、ポリプロピレン樹
脂、ポリ塩化ビニル樹脂、ポリメタクリレート樹脂、Ａ
ＢＳ樹脂、フッ素樹脂、ポリカーボネート樹脂、ポリエ
ステル樹脂、ポリアミド樹脂、ポリフェニレンサルファ
イド樹脂、ポリスルフォン樹脂、ポリエーテルスルフォ
ン樹脂、ポリエーテルエーテルケトン樹脂、ポリフェニ
レンオキシド樹脂、等の熱可塑性樹脂をあげることがで
きる。The matrix resin is not particularly limited and includes epoxy resin, unsaturated polyester resin, vinyl ester resin, urethane resin, phenol resin, alkyd resin, imide resin, bismaleimide resin, xylene resin, melamine resin, furan resin. Thermosetting resin such as silicone resin, polyethylene resin, polypropylene resin, polyvinyl chloride resin, polymethacrylate resin, A
Thermoplastic resins such as BS resin, fluororesin, polycarbonate resin, polyester resin, polyamide resin, polyphenylene sulfide resin, polysulfone resin, polyether sulfone resin, polyether ether ketone resin, and polyphenylene oxide resin can be used.
【００１３】これらの中で、エポキシ樹脂、不飽和ポリ
エステル樹脂、ビニルエステル樹脂が取り扱い性および
物性面から好ましい。さらに、樹脂および繊維は必要に
応じてそれぞれ２種以上を組み合わせて用いることがで
きる。Of these, epoxy resins, unsaturated polyester resins and vinyl ester resins are preferable from the viewpoints of handling and physical properties. Furthermore, the resin and the fiber may be used in combination of two or more kinds, if necessary.
【００１４】ＦＲＰシャフトの繊維体積含有率は４０％
以上、７５％以下、好ましくは５０％以上、７０％以下
である。含有率が４０％未満のときは強化効果が低く、
厚肉のシャフトにしなくてはならず、重量軽減の効果が
少ない。The fiber volume content of the FRP shaft is 40%
The above is 75% or less, preferably 50% or more and 70% or less. When the content is less than 40%, the strengthening effect is low,
A thick shaft must be used, and there is little weight reduction effect.
【００１５】本発明のＦＲＰシャフトについて図ととも
に説明する。図１は本発明のＦＲＰシャフトの断面図で
ある。図に示すようにＦＲＰシャフト１の摺動部に溶射
金属層２を設ける。通常、ＦＲＰシャフトはそのままで
は金属に対する接着性が低く、溶射が困難なため、シャ
フト表面をブラスト処理をする必要がある。ブラスト処
理後、ＦＲＰシャフトに金属または合金を溶射する。Ｆ
ＲＰシャフトの耐熱温度は溶射する金属の融点より低い
のでアーク式の溶射を行うことが好ましい。The FRP shaft of the present invention will be described with reference to the drawings. FIG. 1 is a sectional view of the FRP shaft of the present invention. As shown in the figure, the sprayed metal layer 2 is provided on the sliding portion of the FRP shaft 1. Normally, the FRP shaft has a low adhesiveness to a metal as it is and is difficult to be sprayed. Therefore, it is necessary to blast the surface of the shaft. After blasting, the FRP shaft is sprayed with metal or alloy. F
Since the heat resistant temperature of the RP shaft is lower than the melting point of the metal to be sprayed, it is preferable to perform arc-type spraying.
【００１６】また、融点の低い金属または合金を下地と
して溶射しておくと、ＦＲＰシャフトの耐熱性を保持出
来る。金属または合金を一層、二層に限らず、多層に溶
射することにより、ＦＲＰ表面から最外殻金属まで剛性
に傾斜機能を付加することが出来る。金属溶射後、機械
加工を施し、表面を平滑に仕上げる。表面粗さを１μｍ
Ｒａ前後に研磨するとよい。Further, when a metal or alloy having a low melting point is sprayed as a base, the heat resistance of the FRP shaft can be maintained. By spraying a metal or an alloy not only in one layer but in two layers but in multiple layers, it is possible to add a gradient function to the rigidity from the FRP surface to the outermost shell metal. After metal spraying, mechanical processing is applied to make the surface smooth. Surface roughness of 1 μm
It is good to polish before and after Ra.
【００１７】[0017]
【実施例】本発明のＦＲＰシャフトの実施例を以下に説
明する。これらの実施例は本発明の例示であり、本発明
はこれに限定されるものではない。EXAMPLES Examples of the FRP shaft of the present invention will be described below. These examples are illustrative of the present invention and the present invention is not limited thereto.
【００１８】外径４０ｍｍ、長さ１０００ｍｍのステン
レス製マンドレルをフィラメントワインディング装置に
装着して、炭素繊維を液状のエポキシ樹脂に含浸しつつ
巻き付けた。炭素繊維としては住化ハーキュレス社製の
ＡＳ−４（汎用グレード炭素繊維：弾性率２４ｔｏｎ／
ｍｍ2、強度３９０ｋｇ／ｍｍ2）を、エポキシ樹脂とし
てはビスフェノールＡタイプエポキシ樹脂と芳香族アミ
ン硬化剤系を用いた。A stainless mandrel having an outer diameter of 40 mm and a length of 1000 mm was mounted on a filament winding apparatus, and was wound while carbon fiber was impregnated in a liquid epoxy resin. As the carbon fiber, AS-4 manufactured by Sumika Hercules Co., Ltd. (general-purpose carbon fiber: elastic modulus 24 ton /
mm 2 and strength 390 kg / mm 2 ) and a bisphenol A type epoxy resin and an aromatic amine curing agent system were used as the epoxy resin.
【００１９】繊維の巻き付け角度は±２０°、巻き付け
厚みは５．０ｍｍとした。また、繊維体積含有率は６０
±２％になるように調整した。繊維を巻き付けた後、マ
ンドレルごと熱硬化炉にいれ、１５０℃にて２時間硬化
した。硬化後、マンドレルから脱型し、両端部分の不要
部分を切断除去し、長さ５００ｍｍのＦＲＰシャフトを
得た。The winding angle of the fiber was ± 20 °, and the winding thickness was 5.0 mm. The fiber volume content is 60
It was adjusted to be ± 2%. After winding the fiber, the mandrel was placed in a thermosetting oven and cured at 150 ° C. for 2 hours. After curing, the mandrel was released from the mold and unnecessary portions at both ends were cut and removed to obtain an FRP shaft having a length of 500 mm.
【００２０】次に、得られたＦＲＰシャフトの表面を、
空気圧力を５．５ｋｇ／ｃｍとして、第一メテコ（株）
製メテコライトＣ（ＭＥＴＥＣＯＬＩＴＥ Ｃ）にてブ
ラスト処理した。Next, the surface of the obtained FRP shaft is
Air pressure was set to 5.5 kg / cm, and Daiichi Metco Co., Ltd.
Blasting was performed with METECOLITE C.
【００２１】ブラスト処理後のＦＲＰシャフトに、第一
メテコ（株）製溶射機、メテコタイプ４ＲＣ（ＭＥＴＥ
ＣＯ ＴＹＰＥ ４ＲＣ）を用いて、下地としてアルミ
ブロンズまたはアルミニウムを０．５ｍｍ溶射し、その
後、下記に示すような組成（重量％）のアルミブロン
ズ、ニッケルクロム、ステンレス、炭素鋼、アルミニウ
ムの５種の合金または金属を１．５ｍｍ厚みで溶射し、
研磨仕上げをしたものの表面粗さを以下に示す。After the blast treatment, the FRP shaft was coated with a thermal sprayer manufactured by Daiichi Metco Co., Ltd., Metco Type 4 RC (METE).
CO TYPE 4RC) is used to spray 0.5 mm of aluminum bronze or aluminum as a base, and thereafter, aluminum bronze, nickel chrome, stainless steel, carbon steel, and aluminum having the following composition (wt%) are used. Spraying alloy or metal with a thickness of 1.5 mm,
The surface roughness of the polished product is shown below.
【００２２】アルミブロンズ（メテコ社製 ＳＰＲＡＢ
ＲＯＮＺＥ ＡＡ）：Ｃｕ９０％、Ａｌ９％、Ｆｅ１
％、Aluminum bronze (SPRAB manufactured by Meteco Co., Ltd.
RONZE AA): Cu 90%, Al 9%, Fe1
%,
【００２３】ニッケルクロム（メテコ社製 ＭＥＴＥＣ
Ｏ ４７０ＡＷ）：Ｆｅ２５％、Ｃｒ１５％，Ｎｉ残
量、Nickel chrome (METEC manufactured by METEC
O 470AW): Fe 25%, Cr 15%, Ni balance,
【００２４】ステンレス（メテコ社製、ＭＥＴＣＯＬＯ
Ｙ ＃２）：Ｃｒ１３％、Ｓｉ０．５％、Ｎｉ０．５
％、Ｍｎ０．５％、Ｃ０．３５％、Ｆｅ残量、Stainless steel (METCOLO
Y # 2): Cr 13%, Si 0.5%, Ni 0.5
%, Mn 0.5%, C 0.35%, Fe remaining amount,
【００２５】炭素鋼（メテコ社製、ＳＰＲＡＳＴＥＥＬ
８０）：Ｃ０．８％，Ｍｎ０．７％，Ｓｉ０．１％、
Ｆｅ残量、Carbon steel (Madeko, SPRASTEEL
80): C 0.8%, Mn 0.7%, Si 0.1%,
Fe remaining amount,
【００２６】（１）アンダーコートがＡｌ−Ｃｕ（アル
ミブロンズ）の場合、 ［トップコート］ ［表面粗さ（μｍＲａ）］ Ａｌ−Ｃｕ １．０４ Ｎｉ−Ｃｒ ０．８６ ＳＵＳ ０．３５ 炭素鋼 ０．６９(1) When the undercoat is Al-Cu (aluminum bronze), [top coat] [surface roughness (μmRa)] Al-Cu 1.04 Ni-Cr 0.86 SUS 0.35 carbon steel 0 .69
【００２７】（２）アンダーコートがＡｌ（アルミニウ
ム）の場合、 ［トップコート］ ［表面粗さ（μｍＲａ）］ Ａｌ ０．９５ Ｎｉ−Ｃｒ ０．２８ ＳＵＳ ０．８９ 炭素鋼 １．１７(2) When the undercoat is Al (aluminum), [topcoat] [surface roughness (μmRa)] Al 0.95 Ni-Cr 0.28 SUS 0.89 carbon steel 1.17
【００２８】いずれも１μｍＲａ前後以下の表面粗さが
得られた。ここでも得られたＦＲＰシャフトにトルク１
２０ｋｇ・ｍを負荷しても、溶射金属の剥離は認められ
なかった。In all cases, a surface roughness of about 1 μmRa or less was obtained. Torque 1 on the FRP shaft obtained here
No peeling of the sprayed metal was observed even when 20 kg · m was applied.
【００２９】[0029]
【発明の効果】本発明のＦＲＰシャフトは摺動部に溶射
金属層を設けたので、表面粗性が改善され、摩擦による
摩耗が低減するので滑り軸受けが可能となる。また金属
層の熱放射効果により、摩擦熱によるＦＲＰの劣化を防
ぐことが出来る。油潤滑による場合は潤滑油によるシャ
フトの汚染がなくなる等の効果がある。特にＣＯＰＮＡ
樹脂などを用いた無油潤滑プラスチック軸受けとの組合
せによる場合でも溶射金属層がともがねを防ぎ、耐摩耗
性を向上させ、ドライベアリング化が可能となるなどの
効果がある。Since the FRP shaft of the present invention is provided with the sprayed metal layer on the sliding portion, the surface roughness is improved and the abrasion due to friction is reduced, so that the sliding bearing is possible. Further, the heat radiation effect of the metal layer can prevent the FRP from being deteriorated by frictional heat. The oil lubrication has the effect of eliminating contamination of the shaft by the lubricating oil. Especially COPNA
Even when combined with an oil-free lubricated plastic bearing made of resin or the like, the sprayed metal layer has an effect of preventing scumbling, improving wear resistance, and enabling dry bearing.
【図１】本発明のＦＲＰシャフトの縦断面図である。FIG. 1 is a vertical sectional view of an FRP shaft of the present invention.
【図２】本発明のＦＲＰシャフトの摺動部の横断面図で
ある。FIG. 2 is a transverse sectional view of a sliding portion of the FRP shaft of the present invention.
１ ＦＲＰシャフト ２ 溶射金属層 1 FRP shaft 2 Sprayed metal layer
───────────────────────────────────────────────────── フロントページの続き (72)発明者 室谷 均 茨城県つくば市北原６住友化学工業株式会 社内 (72)発明者 山蔦 浩治 茨城県つくば市北原６住友化学工業株式会 社内 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Hitoshi Murotani 6 Kitahara, Tsukuba-shi, Ibaraki Sumitomo Chemical Co., Ltd. (72) Inventor Koji Yamatatsu 6 Kitahara, Tsukuba-shi, Ibaraki In-house
Claims (1)
より金属層を形成したことを特徴とするＦＲＰシャフ
ト。1. An FRP shaft having a metal layer formed by thermal spraying on the surface of a sliding portion of the FRP shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3326996A JPH05140723A (en) | 1991-11-15 | 1991-11-15 | Frp shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3326996A JPH05140723A (en) | 1991-11-15 | 1991-11-15 | Frp shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05140723A true JPH05140723A (en) | 1993-06-08 |
Family
ID=18194147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3326996A Pending JPH05140723A (en) | 1991-11-15 | 1991-11-15 | Frp shaft |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH05140723A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002010470A1 (en) * | 2000-07-31 | 2002-02-07 | Linde Ag | Plastic surface with thermally sprayed coating and method for production thereof |
| JP2002060922A (en) * | 2000-08-11 | 2002-02-28 | Murata Mfg Co Ltd | Guide roller, apparatus for manufacturing ceramic electronic component using it, and method for manufacturing ceramic electronic component using the manufacturing apparatus |
| WO2006035922A1 (en) * | 2004-09-27 | 2006-04-06 | Fujifilm Corporation | Tenter device and method for drying film |
| JP2010525167A (en) * | 2007-04-17 | 2010-07-22 | サルツァー・メトコ（ユーエス）・インコーポレーテッド | Protective coating and method for forming the same |
-
1991
- 1991-11-15 JP JP3326996A patent/JPH05140723A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002010470A1 (en) * | 2000-07-31 | 2002-02-07 | Linde Ag | Plastic surface with thermally sprayed coating and method for production thereof |
| JP2002060922A (en) * | 2000-08-11 | 2002-02-28 | Murata Mfg Co Ltd | Guide roller, apparatus for manufacturing ceramic electronic component using it, and method for manufacturing ceramic electronic component using the manufacturing apparatus |
| JP4707215B2 (en) * | 2000-08-11 | 2011-06-22 | 株式会社村田製作所 | Guide roller, ceramic electronic component manufacturing apparatus using the same, and ceramic electronic component manufacturing method using the same |
| WO2006035922A1 (en) * | 2004-09-27 | 2006-04-06 | Fujifilm Corporation | Tenter device and method for drying film |
| US7401390B2 (en) | 2004-09-27 | 2008-07-22 | Fujifilm Corporation | Tenter device and method for drying film |
| JP2010525167A (en) * | 2007-04-17 | 2010-07-22 | サルツァー・メトコ（ユーエス）・インコーポレーテッド | Protective coating and method for forming the same |
| US8746164B2 (en) | 2007-04-17 | 2014-06-10 | Sulzer Metco (Us) Inc. | Protective coatings and methods of forming same |
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