JPH0999703A - Wheel for bicycle and its manufacture - Google Patents
Wheel for bicycle and its manufactureInfo
- Publication number
- JPH0999703A JPH0999703A JP7279865A JP27986595A JPH0999703A JP H0999703 A JPH0999703 A JP H0999703A JP 7279865 A JP7279865 A JP 7279865A JP 27986595 A JP27986595 A JP 27986595A JP H0999703 A JPH0999703 A JP H0999703A
- Authority
- JP
- Japan
- Prior art keywords
- resin
- prepregs
- fiber
- rim
- layered
- 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
Landscapes
- Laminated Bodies (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、軽量で、剛性に富んだ
繊維強化樹脂製自転車用ホイールに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lightweight and highly rigid fiber-reinforced resin bicycle wheel.
【０００２】[0002]
【従来の技術】一般に、自転車のホイールは、鋼、アル
ミニウム、アルミニウム合金等の金属で製作されてい
る。これら金属によるホイールは重いため軽量化が望ま
れている。特に競技用自転車のホイールは軽量であるこ
とが要求される。2. Description of the Related Art Generally, a bicycle wheel is made of metal such as steel, aluminum and aluminum alloy. Wheels made of these metals are heavy, so that weight reduction is desired. In particular, the wheels of competition bicycles are required to be lightweight.
【０００３】近時、炭素繊維を主とした繊維強化樹脂
（ＦＲＰ）によるものが出現し、中でもパネルホイール
と呼ばれるホイールは、繊維強化樹脂板の中央にアルミ
ニウムハニカムを挟んで接着したパネルを製作し、次に
パネルを円形に切り出し、前もって製作したリムを接着
固定したものである。しかしながら、このものは構造の
わりに製法が煩雑で、コストがかかることと、材料にカ
ーボンとアルミニウムハニカムを用いているため長期間
の使用中に電食されるという問題点がある。Recently, a fiber reinforced resin (FRP) mainly composed of carbon fiber has appeared. Among them, a wheel called a panel wheel is manufactured by adhering an aluminum honeycomb sandwiched in the center of a fiber reinforced resin plate. Then, the panel is cut out into a circle, and the rim produced in advance is bonded and fixed. However, this structure has a problem that the manufacturing method is complicated instead of the structure, the cost is high, and the material is carbon and aluminum honeycomb, so that it is electrolytically corroded during long-term use.
【０００４】[0004]
【発明が解決しようとする課題】本発明は、軽量で電食
作用の影響の少ない剛性に富んだ繊維強化樹脂製自転車
用ホイール及びその経済的な製造方法を提供しようとす
るものである。SUMMARY OF THE INVENTION It is an object of the present invention to provide a bicycle wheel made of a fiber-reinforced resin, which is lightweight and has little influence of electrolytic corrosion, and which is rich in rigidity, and an economical manufacturing method thereof.
【０００５】[0005]
【課題を解決するための手段】本発明は、樹脂発泡体か
らなる芯体を繊維強化樹脂で一体に被覆成形してなるこ
とを特徴とする自転車用ホイールにある。DISCLOSURE OF THE INVENTION The present invention is a bicycle wheel characterized in that a core body made of a resin foam is integrally molded with a fiber reinforced resin.
【０００６】さらに本発明は、樹脂発泡体を芯体とし全
体を樹脂を含浸した強化繊維で均一に覆い、成型形中で
加圧加熱して一体に成形することを特徴とする上記自転
車用ホイールの製造方法にある。Further, the present invention is characterized in that a resin foam is used as a core, and the whole is uniformly covered with a resin-impregnated reinforcing fiber, and is pressed and heated in a molding to be integrally molded. In the manufacturing method.
【０００７】[0007]
【発明の実施の形態】本発明で使用する樹脂発泡体とし
ては、塩化ビニル樹脂発泡体、アクリル樹脂発泡体、硬
質ウレタン樹脂発泡体、ポリスチレン発泡体等の硬質発
泡体が用いられる。BEST MODE FOR CARRYING OUT THE INVENTION As the resin foam used in the present invention, a hard foam such as a vinyl chloride resin foam, an acrylic resin foam, a hard urethane resin foam, or a polystyrene foam is used.
【０００８】また、樹脂発泡体を芯体として、これを被
覆一体化する繊維強化樹脂に用いる強化繊維としては、
炭素繊維、アラミド繊維、ガラス繊維、金属繊維などが
用いられるが、好ましいのは炭素繊維、アラミド繊維で
ある。Further, as a reinforcing fiber used as a fiber-reinforced resin for covering and integrating the resin foam as a core,
Carbon fiber, aramid fiber, glass fiber, metal fiber and the like are used, but carbon fiber and aramid fiber are preferred.
【０００９】一方、繊維強化樹脂に用いる樹脂として
は、エポキシ樹脂、ビニルエステル樹脂、不飽和ポリエ
ステル樹脂等が好ましく用いられる。On the other hand, as the resin used for the fiber reinforced resin, epoxy resin, vinyl ester resin, unsaturated polyester resin and the like are preferably used.
【００１０】図１は、本発明の繊維強化樹脂製ホイール
の一例を示しており、円形に切り出した硬質樹脂発泡体
からなる芯体１を、繊維強化樹脂で均一に被覆一体成形
されていることを示し、図２は、図１のＡ−Ａの一部断
面図で、図３の成形工程の断面図と共に本発明の繊維強
化樹脂製ホイールの製造工程を説明するための図面であ
る。符号３はリム部である。FIG. 1 shows an example of a fiber-reinforced resin wheel of the present invention, in which a core body 1 made of a hard resin foam cut out in a circular shape is uniformly covered and integrally molded with a fiber-reinforced resin. 2 is a partial cross-sectional view taken along the line AA of FIG. 1, and is a drawing for explaining the manufacturing process of the fiber-reinforced resin wheel of the present invention together with the cross-sectional view of the molding process of FIG. Reference numeral 3 is a rim portion.
【００１１】[0011]
【実施例】次に、図面を参照しながら本発明の繊維強化
樹脂製ホイールの製造法を説明する。塩化ビニル樹脂発
泡体であるクレゲセルＴＲ−＃５５（鐘淵化学工業
（株）製、商品名、耐熱温度１２０℃、密度０．０５５
ｇ／ｃｍ3 、厚さ１５ｍｍ）を直径６３４ｍｍφにカッ
トし、中心に直径２００ｍｍφのハブ取付部７を設け
た。The method for manufacturing the fiber-reinforced resin wheel of the present invention will now be described with reference to the drawings. KREGUECELL TR- # 55, a vinyl chloride resin foam (Kanefuchi Chemical Industry Co., Ltd., trade name, heat resistant temperature 120 ° C., density 0.055
g / cm 3 , thickness 15 mm) was cut into a diameter of 634 mmφ, and a hub mounting portion 7 having a diameter of 200 mmφ was provided at the center.
【００１２】炭素繊維クロスＴＲ３１１０（弾性率２４
ｔ／ｍｍ2 の三菱レイヨン（株）製炭素繊維 ＴＲ４０
（商品名）を密度タテヨコ共１２．５本／２５ｍｍ、目
付２００ｇ／ｍ2 、厚さ０．２７ｍｍの平織りクロス）
に、低温硬化型エポキシ樹脂＃８３０（三菱レイヨン
（株）製）を含浸したプリプレグＴＲ３１１０ ８３０
ＫＭＰ（商品名）及び該エポキシ樹脂からなるレジンフ
ィルムを用意した。Carbon fiber cloth TR3110 (elastic modulus 24
t / mm 2 carbon fiber TR40 manufactured by Mitsubishi Rayon Co., Ltd.
(Product name) is a plain weave cloth with a density of 12.5 pieces / 25 mm, a weight of 200 g / m 2 , and a thickness of 0.27 mm)
Prepreg TR3110 830 impregnated with low temperature curing type epoxy resin # 830 (manufactured by Mitsubishi Rayon Co., Ltd.)
A resin film made of KMP (trade name) and the epoxy resin was prepared.
【００１３】まず、図２に示したようにハブ取り付け部
７を残しレジンフィルム２０で発泡体芯体１全体を覆
い、直径１００ｍｍφで、中心部にハブ取付け部をカッ
トしたドーナツ状のプリプレグ２１、２１を両面に積層
した。次にドーナツ状の２枚のプリプレグ２２、２３で
リム部３とリム部側面を順次片側づつドーナツ状に覆つ
て積層し、その上にリム部３のみに１枚積層（符号２
５）した。最後に直径６３６ｍｍφ（ハブ取付け部はカ
ット）のプリプレグ２４、２４を１００ｍｍφのプリプ
レグ２１、２１の上に該プリプレグと角度を４５°ずら
して両面全体に積層した。First, as shown in FIG. 2, the entire foam core 1 is covered with a resin film 20 while leaving the hub mounting portion 7, and the doughnut-shaped prepreg 21 has a diameter of 100 mm and the hub mounting portion is cut at the center. 21 was laminated on both sides. Next, the rim portion 3 and the side surface of the rim portion are sequentially covered in a donut shape by two donut-shaped prepregs 22 and 23 and laminated one by one, and one sheet is laminated only on the rim portion 3 (reference numeral 2).
5) I did. Finally, the prepregs 24 and 24 having a diameter of 636 mmφ (the hub mounting portion was cut) were laminated on the entire surfaces of the prepregs 21 and 21 having a diameter of 100 mmφ with an angle of 45 °.
【００１４】次に、これを成型形４にセットし、リム部
外周ににリム状ゴム形５を当接し、全体をナイロンフィ
ルム６で覆い、真空になるまで脱気した。次いで９０℃
の温度で１時間加熱、加圧して発泡体１を積層被覆して
いる強化繊維含浸樹脂２を硬化した。ナイロンフィルム
６をはがし、成形型４より取り出し、リム状ゴム型５を
外し、繊維強化樹脂製ホイール１を得た。Next, this was set in a mold 4, and a rim-shaped rubber mold 5 was brought into contact with the outer periphery of the rim portion, the whole was covered with a nylon film 6, and deaeration was performed until a vacuum was obtained. 90 ° C
By heating and pressurizing at a temperature of 1 hour for 1 hour, the reinforced fiber-impregnated resin 2 for laminating and covering the foam 1 was cured. The nylon film 6 was peeled off, taken out from the mold 4, and the rim-shaped rubber mold 5 was removed to obtain a fiber-reinforced resin wheel 1.
【００１５】このホイールは、軽量化されたと言われる
従来のＦＲＰ製のものに比べても更に軽量で、剛性に富
み、耐荷重性も良好であった。また、ホイールを構成す
る芯部に樹脂発泡体を用いているため従来品のアルミニ
ウムのハニカムを用いたもののように電食作用が起きる
おそれがない。This wheel was lighter than the conventional one made of FRP, which is said to have been made lighter in weight, was rich in rigidity, and had good load resistance. In addition, since the resin foam is used for the core portion of the wheel, there is no risk of electrolytic corrosion unlike the conventional one using the aluminum honeycomb.
【００１６】[0016]
【発明の効果】本発明の繊維強化樹脂製自転車用ホイー
ルは、軽量で、剛性に富み耐荷重性にも優れている。ま
た、電食作用の影響がない。その製法はリムの後接着も
なく工程が少なく経済的な製法である。The fiber-reinforced resin bicycle wheel of the present invention is light in weight, rich in rigidity and excellent in load resistance. In addition, there is no effect of electrolytic corrosion. The manufacturing method is an economical manufacturing method with few steps and no post-bonding on the rim.
【図１】本発明ホイールの平面図である。FIG. 1 is a plan view of a wheel of the present invention.
【図２】本発明ホイールの製造工程を説明するための図
１のＡ−Ａに当たる部分の断面図である。FIG. 2 is a cross-sectional view of a portion corresponding to AA in FIG. 1 for explaining the manufacturing process of the wheel of the present invention.
【図３】本発明ホイールの製造工程を説明するための断
面図であるFIG. 3 is a cross-sectional view for explaining a manufacturing process of the wheel of the present invention.
１ 発泡樹脂芯体 ２ 繊維強化樹脂 ３ リム ４ 成形型 ５ リム状ゴム形 ６ ナイロンフィルム ７ ハブ取付け部 1 Foamed Resin Core 2 Fiber Reinforced Resin 3 Rim 4 Mold 5 Rim Rubber 6 Nylon Film 7 Hub Mount
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 ＦＩ 技術表示箇所 // Ｂ２９Ｌ 31:32 ─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. 6 Identification code Office reference number FI technical display area // B29L 31:32
Claims (2)
で一体に被覆成形してなることを特徴とする自転車用ホ
イール。1. A bicycle wheel comprising a resin foam core integrally molded with a fiber reinforced resin.
浸した強化繊維で均一に覆い、成型形中で加圧加熱して
一体に成形することを特徴とする請求項１の自転車用ホ
イールの製造方法。2. The bicycle according to claim 1, wherein the resin foam body is used as a core body, the whole is uniformly covered with a resin-impregnated reinforcing fiber, and the molded body is integrally molded by heating under pressure. Wheel manufacturing method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7279865A JPH0999703A (en) | 1995-10-04 | 1995-10-04 | Wheel for bicycle and its manufacture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7279865A JPH0999703A (en) | 1995-10-04 | 1995-10-04 | Wheel for bicycle and its manufacture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0999703A true JPH0999703A (en) | 1997-04-15 |
Family
ID=17617029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7279865A Pending JPH0999703A (en) | 1995-10-04 | 1995-10-04 | Wheel for bicycle and its manufacture |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0999703A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5028650A (en) * | 1988-01-27 | 1991-07-02 | W. R. Grace & Co.-Conn. | Boron nitride sheets |
| WO2014063307A1 (en) * | 2012-10-23 | 2014-05-01 | 中山市富达运动器材有限公司 | Fiber compound material felly |
| JP2014180934A (en) * | 2013-03-19 | 2014-09-29 | Honda R&D Sun Co Ltd | Wheel |
| WO2014165895A1 (en) * | 2013-04-11 | 2014-10-16 | Carbon Revolution Pty Ltd | Face to rim connection for a composite wheel |
| JP2018111229A (en) * | 2017-01-10 | 2018-07-19 | 株式会社Ｓｕｂａｒｕ | Structural member made of composite material, and method for producing the structural member made of composite material |
-
1995
- 1995-10-04 JP JP7279865A patent/JPH0999703A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5028650A (en) * | 1988-01-27 | 1991-07-02 | W. R. Grace & Co.-Conn. | Boron nitride sheets |
| WO2014063307A1 (en) * | 2012-10-23 | 2014-05-01 | 中山市富达运动器材有限公司 | Fiber compound material felly |
| US9302540B2 (en) | 2012-10-23 | 2016-04-05 | Full Tech Composite Manufacturing Company | Wheel frame of the fiber composite material |
| JP2014180934A (en) * | 2013-03-19 | 2014-09-29 | Honda R&D Sun Co Ltd | Wheel |
| WO2014165895A1 (en) * | 2013-04-11 | 2014-10-16 | Carbon Revolution Pty Ltd | Face to rim connection for a composite wheel |
| US9840110B2 (en) | 2013-04-11 | 2017-12-12 | Carbon Revolution Limited | Face to rim connection for a composite wheel |
| JP2018111229A (en) * | 2017-01-10 | 2018-07-19 | 株式会社Ｓｕｂａｒｕ | Structural member made of composite material, and method for producing the structural member made of composite material |
| US10611328B2 (en) | 2017-01-10 | 2020-04-07 | Subaru Corporation | Composite material structural member and method of manufacturing the composite material structural member |
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