JPS621532A - Manufacture of core material of steering wheel made of fiber reinforced resin - Google Patents

Manufacture of core material of steering wheel made of fiber reinforced resin

Info

Publication number
JPS621532A
JPS621532A JP60142039A JP14203985A JPS621532A JP S621532 A JPS621532 A JP S621532A JP 60142039 A JP60142039 A JP 60142039A JP 14203985 A JP14203985 A JP 14203985A JP S621532 A JPS621532 A JP S621532A
Authority
JP
Japan
Prior art keywords
winding
boss
core material
main spindle
resin
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
Application number
JP60142039A
Other languages
Japanese (ja)
Inventor
Maki Terada
真樹 寺田
Yasuhiro Tsuchiya
泰広 土屋
Yasushi Yamazawa
靖 山沢
Takashi Yamamoto
孝 山本
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyota Boshoku Corp
Toyota Motor Corp
Original Assignee
Toyota Boshoku Corp
Toyota Motor Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Toyota Boshoku Corp, Toyota Motor Corp filed Critical Toyota Boshoku Corp
Priority to JP60142039A priority Critical patent/JPS621532A/en
Publication of JPS621532A publication Critical patent/JPS621532A/en
Pending legal-status Critical Current

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Abstract

PURPOSE:To prevent a fiber bundle of a branched part from peeling and whitening, by a method wherein after lamination of a ring part, spoke part and boss part has been formed by winding a resin impregnated fiber round a winding form, fixation of the winding jig and a main spindle is released, a laminated fiber bundle of the spoke part is made to invert to the ring part and the winding form is left within a resin setting atmosphere as it is by fixing the winding form again. CONSTITUTION:A steering wheel core material 1 comprising a ring part 2, boss part 3, and spoke part 4 is formed through lamination by fixing boss metal fittings 30 to the tip of a main spindle 21 of a winding form 20 and winding a continuous long-sized fiber impregnated with resin round the boss metal fittings 30. Then fixation of a fixing part 22d of the main spindle of the winding jig 22, boss metal fittings 30 and main spindle 21 is released, the main spindle 21 is pulled out, a connecting plate 24 of arc-shaped parts 22a-22c is removed and the boss part 3 and spoke part 4 are made to invert to the opposite side of the ring part 2. Then the winding jig 22 and main spindle 21 are fixed again under a state wherein the boss metal fittings 30 and winding jig 22 are separated to some extent than a state wherein the fiber has been wound round the boss metal fittings 30 and left within resin setting atmosphere as they are by a method wherein the removed connecting plate 24 is fixed and the main spindle 21 is made to extend further after the main spindle 21 has been made to penetrate through a hole of the fixing part 22d of the main spindle from an auxiliary jig side and the boss metal fittings 30 have been fixed.

Description

【発明の詳細な説明】 (産業上の利用分野) 本発明は、自動車等の車両に使用するステアリングホイ
ール芯材、特に樹脂含浸の連続長繊維を巻取り形成した
繊維強化樹脂製ステアリングホイール芯材の製造方法に
関するものである。
Detailed Description of the Invention (Industrial Application Field) The present invention relates to a steering wheel core material used in vehicles such as automobiles, particularly a fiber reinforced resin steering wheel core material formed by winding continuous long fibers impregnated with resin. The present invention relates to a manufacturing method.

(従来の技術) 近年、自動車等の車両やモーターポート等の小型船舶に
主に取付けられるステアリングホイールは、軽量化9強
度化を図るために、繊維強化樹脂(以下、F RP−f
iber reinforced plastics 
−という)を巻回して積層形成した芯材を、皮革。
(Prior Art) In recent years, steering wheels, which are mainly attached to vehicles such as automobiles and small vessels such as motor ports, are made of fiber-reinforced resin (hereinafter referred to as FRP-f) in order to reduce weight and increase strength.
iber reinforced plastics
-The core material is made by winding and laminating layers of leather.

レザー等の表層材により表面処理したものが実用化され
ている。前記FRP製の芯材は、ガラス繊維、炭素繊維
等の連続長繊維に、例えばポリエステル樹脂、エポキシ
樹脂等の合成樹脂を含浸させて、所定の巻取型に巻取っ
て積層形成し、合成樹脂を硬化させたものである。
Products whose surface has been treated with a surface material such as leather have been put into practical use. The FRP core material is made by impregnating continuous long fibers such as glass fibers or carbon fibers with synthetic resin such as polyester resin or epoxy resin, winding them into a predetermined winding mold, and laminating them. It is a hardened product.

従来、上記FRP製スナステアリングホイール芯材造方
法の一例としては、第6図乃至第8図にに示すものがあ
る。
Conventionally, as an example of a method for manufacturing the above-mentioned FRP snap steering wheel core material, there is a method shown in FIGS. 6 to 8.

材lは合成樹脂を含浸した連続長m維を第7図。The material l is a continuous long fiber impregnated with synthetic resin in Fig. 7.

第8図に示す巻取型10に巻取り積層して、リング部2
.ボス部3.スポーク部4を形成するもので、巻取形成
後に、スポーク部4の分岐部分の繊維束が解れるのを防
止するために、金環5,5によりスポーク部4の両端を
締付けている。
The ring part 2 is rolled up and laminated on the winding die 10 shown in FIG.
.. Boss part 3. Both ends of the spoke part 4 are tightened with metal rings 5, 5 in order to prevent the fiber bundle at the branched part of the spoke part 4 from unraveling after winding.

上記巻取型lOは、第7図、第8図に概観を示すように
、主軸11に固定された円板状の巻取治具12の一面の
外周側にリング状の補助治具13を接合固定したもので
、この巻取型10の外周面には断面略U字状のリング部
巻取溝10aが形成されている。
As shown in the outline in FIGS. 7 and 8, the winding die IO has a ring-shaped auxiliary jig 13 on the outer circumferential side of one surface of a disc-shaped winding jig 12 fixed to the main shaft 11. The winding die 10 is bonded and fixed, and a ring winding groove 10a having a substantially U-shaped cross section is formed on the outer peripheral surface of the winding die 10.

前記補助治具13はリング部2よりスポーク部4を分岐
させるための切欠溝10bにより分割されており、夫々
弧状部13a、13b、13cとなっている。前記主軸
11の先端は段部を介して小径部11aとなっており、
この小径部11aにはFRPと一体となって芯材 1の
ボス部3となるボス金具14が取付けられ、このボス金
具14の外周面近傍にはスポーク部4とボス部3との分
岐部分を規制するためのガイドビン15が夫々対になっ
て前記巻取治具12のボス金具14側平面に植設されて
いる。なお、第8図ではこのガイドビン15・・・は省
略されている。
The auxiliary jig 13 is divided by a cutout groove 10b for branching the spoke parts 4 from the ring part 2, forming arcuate parts 13a, 13b, and 13c, respectively. The tip of the main shaft 11 forms a small diameter portion 11a via a stepped portion,
A boss metal fitting 14 that is integrated with the FRP and becomes the boss part 3 of the core material 1 is attached to this small diameter portion 11a, and a branch portion between the spoke portion 4 and the boss portion 3 is attached near the outer peripheral surface of this boss metal fitting 14. Pairs of guide bins 15 for regulation are installed on the plane of the winding jig 12 on the boss metal fitting 14 side. Note that the guide bins 15 are omitted in FIG. 8.

上記構成を有する巻取型lOを用いて、樹脂含浸連続長
繊維Fを積層してステアリングホイール芯材 1を巻回
し形成する方法の一例を説明する。まず、第7図に示す
ように、上記長繊維Fを矢印Aのように供給すると同時
に、主軸11を駆動して巻取型lOを矢印B方向に回転
する。このとき、最初に、断面略U字状の巻取溝tOa
に長繊維Fを巻取って芯材1のリング部2を積層形成し
、次に、切欠溝10bより長m維Fの巻取方向を主軸小
径部11aに取付けたボス金具14側に変更し、ガイド
ビン15.15間よりボス金具14の外周面で巻取るこ
とにより、スポーク部4.ボス部3が順次積層形成され
ていく。
An example of a method of laminating resin-impregnated continuous long fibers F and winding the steering wheel core material 1 using the winding mold IO having the above configuration will be described. First, as shown in FIG. 7, the long fibers F are fed in the direction of arrow A, and at the same time, the main shaft 11 is driven to rotate the winding die IO in the direction of arrow B. At this time, first, the winding groove tOa having a substantially U-shaped cross section is
The ring portion 2 of the core material 1 is laminated by winding the long fibers F, and then the winding direction of the long fibers F is changed from the notch groove 10b to the side of the boss fitting 14 attached to the small diameter portion 11a of the main shaft. , the spoke portion 4. The boss portions 3 are successively formed in layers.

以上の動作を繰返し、芯材1の夫々リング部2、ボス部
3.スポーク部4として充分な太さを有する繊維束にな
ったところで、スポーク部4の両端側に金環5.5を夫
々取付けた後、含浸合成樹脂として例えばエポキシ樹脂
を用いた場合には、加熱炉によって100℃で2時間の
樹脂硬化雰囲気を維持してエポキシ樹脂を硬化させ、ス
テアリングホイール芯材を得るようにしていた。
The above operations are repeated, and the ring portion 2, boss portion 3. Once the fiber bundle is thick enough to be used as the spoke part 4, metal rings 5.5 are attached to both ends of the spoke part 4, and then, when an epoxy resin is used as the impregnated synthetic resin, a heating furnace is used. The epoxy resin was cured by maintaining a resin curing atmosphere at 100° C. for 2 hours to obtain a steering wheel core material.

(発明が解決しようとする問題点) しかしながら、上述した従来のFRP製スデステアリン
グホイール芯材造方法によれば、以下のような問題点が
あった。
(Problems to be Solved by the Invention) However, the above-described conventional FRP steering wheel core manufacturing method has the following problems.

まず、リング部2の巻回方向からボス部3方向へ長繊維
Fを供給する際に、巻取型10のリング部巻取溝10a
のボス部3側の部分だけ長繊維Fの供給経路が迂回させ
られるために、第9図に示すように、スポーク部4のリ
ング部2からの分岐部分が折曲状分岐部分41となって
しまい、この折曲状分岐部分41が矢印C方向からの外
力に応力繰返しを受けることにより、積層された繊維が
境界面42において層間剥離を起こし、繊維束の結束が
解けてしまうという問題点を有していた。
First, when feeding the long fibers F from the winding direction of the ring part 2 to the direction of the boss part 3, the ring part winding groove 10a of the winding die 10 is
Since the supply path of the long fibers F is detoured only in the part on the boss part 3 side, the branch part of the spoke part 4 from the ring part 2 becomes a bent branch part 41, as shown in FIG. However, when this bent branch portion 41 is repeatedly subjected to external stress from the direction of arrow C, the laminated fibers cause delamination at the boundary surface 42, and the bundle of fiber bundles becomes untied. had.

また、上記のような層間剥離現象が高じると、光の透過
性が失われて境界面42で反射するようになり、樹脂が
白化して芯材1の外観上の意匠性を損なうという問題点
もあった。
In addition, when the delamination phenomenon as described above increases, the light transmittance is lost and the light is reflected at the boundary surface 42, causing the resin to whiten and impairing the external design of the core material 1. There was also.

そこで、上記折曲状分岐部分41の層間剥離や白化を防
止するために、金環5・・・により前記分岐部分41を
締付は補強しているが、このようなFRP以外の補強部
材を椙いることは、ステアリングホイール芯材の軽量化
を阻害するばかりでなく、作業効率を悪化させて、FR
P採用の目的に相反するものであった。
Therefore, in order to prevent delamination and whitening of the bent branch part 41, the branch part 41 is tightened and reinforced with a metal ring 5. Not only does this hinder the weight reduction of the steering wheel core material, but it also worsens work efficiency and
This contradicted the purpose of hiring P.

本発明は、上記問題点を解決するためになされたもので
あり、ステアリングホイール芯材のリング部とスポーク
部との分岐部分に、折曲部分が形成されないに、樹脂含
浸の繊維を芯材の形状に巻取って積層形成した後、樹脂
が軟化した状態にあるうちに、ボス部及びスポーク部を
リング部内を潜らせて反転させ、前記分岐部分の繊維束
の剥離や白化を防止することを目的としている。
The present invention has been made to solve the above-mentioned problems, and the present invention is made by adding resin-impregnated fibers to the steering wheel core material without forming any bent portions at the branching portions between the ring portion and the spoke portions of the steering wheel core material. After winding into a shape and forming a laminate, while the resin is in a softened state, the boss portion and the spoke portion are submerged inside the ring portion and reversed to prevent the fiber bundle at the branch portion from peeling or whitening. The purpose is

(問題点を解決するための手段) 一ト記目的を達成するための本発明に係るFRP製のス
テアリングホイール芯材の製造方法の特徴は、樹脂含浸
の繊維を巻取型に巻取って、芯材のリング部、スポーク
部、、ボス部を積層形成した後、巻取型の少なくともリ
ング部巻取治具と主軸との固定を解除し、ついでリング
部の積層繊維束に対してスポーク部の積層繊維束を反転
させて。
(Means for Solving the Problems) The feature of the method for manufacturing a steering wheel core material made of FRP according to the present invention for achieving the above objects is that resin-impregnated fibers are wound up in a winding mold, After laminating the ring part, spoke part, and boss part of the core material, the fixation between at least the ring part winding jig of the winding mold and the main shaft is released, and then the spoke part is stacked against the laminated fiber bundle of the ring part. by inverting the laminated fiber bundle.

再び巻取型を固定し、しかる後に樹脂硬化雰囲気中に放
置して樹脂を硬化させたことにある。
The winding mold was fixed again and then left in a resin curing atmosphere to cure the resin.

(作用) 上記のような工程を経てステアリングホイール芯材を形
成したので、リング部の積層繊維束とスポーク部の積層
繊維束との分岐部分をリング部の外周より折曲状態でな
く真直に分岐させることができる。
(Function) Since the steering wheel core material is formed through the process described above, the branching portion between the laminated fiber bundle of the ring part and the laminated fiber bundle of the spoke part is not bent but branched straight from the outer periphery of the ring part. can be done.

また、繊維を巻取り積層しただけでは、リング部の積層
繊維束のように巻締めることができないスポーク部の積
層Ia維束を、m!1方向に伸ばすことにより巻締める
ことができ、スポーク部の体積含量(Vf値)をリング
部と同等程度に高めることができる。
In addition, the laminated Ia fiber bundles in the spoke portions, which cannot be tightened like the laminated fiber bundles in the ring portions by simply winding and laminating the fibers, are m! By stretching it in one direction, it can be tightened, and the volume content (Vf value) of the spoke part can be increased to the same level as that of the ring part.

以上のようにして、リング部とスポーク部との分岐部分
の境界面より生じる居間剥離を防止することにより、分
岐部分を強化することができる。
As described above, by preventing separation from occurring at the interface between the ring part and the spoke part, the branch part can be strengthened.

また、層間剥離に起因する白化現象も起こらないので、
外観の向上も図ることができる。
In addition, there is no whitening phenomenon caused by delamination, so
It is also possible to improve the appearance.

(実施例) 以下、本発明に係るFRP製スデステアリングホイール
芯材造方法の実施例について、図面に従い詳細に説明す
る。
(Example) Hereinafter, an example of the method for manufacturing an FRP steering wheel core material according to the present invention will be described in detail with reference to the drawings.

第1図乃至第5図(a) (b)は本発明方法の一実施
例を説明するためのものであり、第1図は巻取型で繊維
を巻取っている状態を示す正面図、第2図は巻取型のリ
ング部巻取治具本体を示す左側面図、第3図は補助治具
を取付けて芯材を積層形成した状態を示す左側面図、第
4図はスポーク部を反転させて再度固定した状態を示す
正面図、第5図(a) (b)は曲げ疲労試験を示す正
面図、部分拡大図である。なお、図中第6図及至第9図
と同一符号を付したものは、同−又は相当する部材を示
している。
1 to 5(a) and 5(b) are for explaining one embodiment of the method of the present invention, and FIG. 1 is a front view showing the state in which the fiber is wound up in a winding die; Figure 2 is a left side view showing the main body of the ring winding jig of the winding type, Figure 3 is a left side view showing the state in which the auxiliary jig is attached and the core material is laminated, and Figure 4 is the spoke part. FIGS. 5(a) and 5(b) are a front view and a partially enlarged view showing a bending fatigue test. In the drawings, the same reference numerals as in FIGS. 6 to 9 indicate the same or corresponding members.

各図において、巻取型20は主軸21と、この主軸21
に固定されたリング部巻取治具22と、このリング部巻
取治具22に合わせ固定されてリング部巻取溝20aを
形成する補助治具23とにより概略構成されている。前
記巻取治具22は、第2図に示すように、スポーク部反
転用の溝20b・・・により分割されて、夫々弧状部2
2a 、 22b 、 22cとなっている。
In each figure, the winding die 20 has a main shaft 21 and a main shaft 21.
It is generally constituted by a ring part winding jig 22 fixed to the ring part winding jig 22, and an auxiliary jig 23 fixed to the ring part winding jig 22 to form the ring part winding groove 20a. As shown in FIG. 2, the winding jig 22 is divided by grooves 20b for reversing the spoke portions, and the winding jig 22 is divided into arcuate portions 2, respectively.
2a, 22b, 22c.

弧状部22aはガイドピン15・・・を植設した主軸固
定部22dを有しており、この主軸固定部材22dと弧
状部22aとは半径方向の固定板22e・・・により一
体となっている。前記弧状部22a 、 22b 、 
22cはリング部巻取溝20a形成面の裏面において、
連結板24・・・及びポルト25.ナツト2Bによりリ
ング状に一体化される。
The arcuate portion 22a has a main shaft fixing portion 22d in which guide pins 15 are implanted, and the main shaft fixing member 22d and the arcuate portion 22a are integrated by a radial fixing plate 22e. . The arcuate portions 22a, 22b,
22c is on the back side of the surface where the ring part winding groove 20a is formed,
Connecting plate 24... and port 25. It is integrated into a ring shape by a nut 2B.

前記補助治具23も溝20bにより分割されて夫々弧状
部23a 、 23b 、 23cとなッテおり、弧状
部23aは巻取治具22の弧状部22aと、弧状部23
bは同じく弧状部22bと、弧状部23cは弧状部22
cと夫々合わせて係止ビン27により固定している。な
お、上記ポルト25.ナツト28によっても巻取治具2
2、補助治具23は固定されている。
The auxiliary jig 23 is also divided by the groove 20b into arcuate portions 23a, 23b, and 23c, respectively, and the arcuate portion 23a is connected to the arcuate portion 22a of the winding jig 22 and the arcuate portion 23.
Similarly, b is the arcuate portion 22b, and the arcuate portion 23c is the arcuate portion 22.
c and are fixed together with locking pins 27, respectively. In addition, the above Porto 25. The winding jig 2 is also tightened by the nut 28.
2. The auxiliary jig 23 is fixed.

以上の構成を有する巻取型20を用いてFRP製スデス
テアリングホイール芯材造する過程について説明する。
A process of manufacturing an FRP steering wheel core material using the winding die 20 having the above configuration will be described.

まず、第1図に示すように、巻取型20の主軸21の先
端の小径部21aにボス金具30を取付け、樹脂含浸の
連続する長繊維を巻取って、リング部2゜ボス部3.ス
ポーク部4から成るステアリングホイール芯材1を積層
形成する。
First, as shown in FIG. 1, the boss metal fitting 30 is attached to the small diameter portion 21a at the tip of the main shaft 21 of the winding die 20, and the continuous resin-impregnated long fibers are wound up so that the ring portion 2.degree. A steering wheel core material 1 consisting of spoke portions 4 is laminated and formed.

次に、巻取型20のリング部巻取治具22の主軸固定部
22d及びボス金具30と主軸21との固定を解除して
、主軸21を引き抜くと共に、リング部巻取治具22ノ
弧状部22a 、 22b 、 22cを連結、固定し
ている連結板24を取外して、巻取治具22の空間28
よリボ区部3.スポーク部4をリング部2の反対側に反
転させる。このとき、スポーク部4の積層繊維束に含浸
された樹脂は、未だ硬化条件を与えられていないので、
軟質で容易に変形し、反転動作も簡単に行なうことがで
きる。
Next, the main shaft fixing part 22d of the ring part winding jig 22 of the winding die 20 and the boss metal fitting 30 are released from the main shaft 21, and the main shaft 21 is pulled out, and the ring part winding jig 22 is shaped like an arc. The space 28 of the winding jig 22 is removed by removing the connecting plate 24 that connects and fixes the parts 22a, 22b, and 22c.
Yoribo Ward 3. Flip the spoke parts 4 to the opposite side of the ring part 2. At this time, the resin impregnated into the laminated fiber bundle of the spoke part 4 has not yet been given curing conditions, so
It is soft and easily deforms, and can be easily reversed.

次に1反転前に取外した連結板24を、第4図に示すよ
うに、補助治具23にポルト25.ナツト26を用いて
固定し、主軸21を補助治具23側から巻取治具22の
主軸固定部22dの孔を貫通させ、先端の小径部21a
にボス金具30を固定してから、主軸2!をさらに伸長
させて、繊維を巻取った状態より幾分、ボス金具30と
巻取治具22とが離間した状態で再び巻取治具22と主
軸21とを固定する。
Next, as shown in FIG. 4, connect the connecting plate 24 that was removed before the first inversion to the port 25 in the auxiliary jig 23. Fix it using a nut 26, pass the main shaft 21 through the hole of the main shaft fixing part 22d of the winding jig 22 from the auxiliary jig 23 side, and insert the small diameter part 21a at the tip.
After fixing the boss metal fitting 30 to the main shaft 2! is further stretched, and the winding jig 22 and the main shaft 21 are fixed again in a state in which the boss metal fitting 30 and the winding jig 22 are separated from each other by some distance from the state in which the fibers are wound.

次いで、上記のような状態の巻取型20及びステアリン
グホイール芯材1を、樹脂硬化雰囲気(例えば、含浸さ
せた樹脂がエボ午シ樹脂である場合には、100℃の加
熱炉の中で約2時間)で放置して、樹脂を硬化させ、F
RP製ステアリングホイール芯材1が完成する。
Next, the winding mold 20 and the steering wheel core material 1 in the above-mentioned state are heated in a resin curing atmosphere (for example, if the impregnated resin is Eboshi resin, about 100° C. 2 hours) to harden the resin, and
RP steering wheel core material 1 is completed.

ここで、上記実施例に記載したステアリングホイール芯
材1に対して行なった曲げ疲労試験について、第5図(
a) (b)を用いて説明する。
Here, regarding the bending fatigue test conducted on the steering wheel core material 1 described in the above example, FIG.
a) Explain using (b).

試験台S上に載置したステアリングホイール芯材lに対
し、第5図(a)矢印C方向の荷重を加えると、芯材1
は矢印り方向に応力を生じる。このとき、第5図(b)
に示すように、スポーク部4の分岐部43に加わる荷重
は、境界面44に対し角度θをなして作用し、この角度
θはステアリングホイール芯材1の全体形状から約45
度あるので、芯材Iを形成している樹脂に層間剥離や白
化が生じにくいことになる。
When a load is applied in the direction of arrow C in Fig. 5(a) to the steering wheel core material l placed on the test stand S, the core material 1
produces stress in the direction of the arrow. At this time, Fig. 5(b)
As shown in FIG. 2, the load applied to the branch portion 43 of the spoke portion 4 acts at an angle θ with respect to the boundary surface 44, and this angle θ is approximately 45 mm from the overall shape of the steering wheel core 1.
Therefore, delamination and whitening are less likely to occur in the resin forming the core material I.

これに対して、第9図を用いて説明した従来の一例では
、リング部2とスポーク部へとの折曲状分岐部分41の
ために、リング部2に対して加わる矢印C方向の荷重が
°、境界面42に略直交方向に作用しており、一般に材
料は応力方向と垂直な面で最も破壊され易いので、この
境界面42でFRPの層間剥離や白化或いは破壊等が生
じ易い。
On the other hand, in the conventional example explained using FIG. 9, the load in the direction of arrow C applied to the ring part 2 is °, the stress acts in a direction substantially perpendicular to the boundary surface 42, and since the material is generally most likely to be destroyed in a plane perpendicular to the stress direction, delamination, whitening, or destruction of the FRP is likely to occur at this boundary surface 42.

以上、説明した実施例に特有の効果としては、樹脂含浸
の連続長繊維を巻取ったときの巻取型20の固定状態に
対し、芯材1を反転させて再び巻取型20を固定した状
態でのリング部2とボス部3の離間距離を大きくするよ
うにしたので、単に反転させるだけよりもスポーク部4
の積層繊維束を引っ張って巻締めることができ、樹脂の
体積含量(Vf値)を高めることができる。
As for the effects specific to the embodiment described above, the core material 1 is reversed and the winding mold 20 is fixed again, compared to the fixed state of the winding mold 20 when the resin-impregnated continuous long fibers were wound up. Since the distance between the ring part 2 and the boss part 3 is increased in this state, the spoke parts 4
The laminated fiber bundle can be pulled and wound tightly, and the volume content (Vf value) of the resin can be increased.

また、上記実施例に用いた巻取型20は簡単な構成とな
っているので、ステアリングホイール芯材の製造コスト
の低減を図れる。
Further, since the winding die 20 used in the above embodiment has a simple structure, it is possible to reduce the manufacturing cost of the steering wheel core material.

なお、上述したものは、本発明の一実施例を示すのみで
あり、本発明の目的、構成、効果を逸脱しない限り、如
何なる変形、変更も自由である。
It should be noted that what has been described above merely shows one embodiment of the present invention, and any modifications and changes may be made without departing from the purpose, structure, and effects of the present invention.

例えば、上記実施例に用いた巻取型20では、リング部
巻取治A22と主軸21との固定を解除して、主軸21
を引き抜いてからスポーク部の積層繊維束を反転させ、
逆方向から主軸21を巻取治具22の主軸固定部22d
の孔に貫通させて再び固定するものとして説明したが、
本発明はこれに限定されず、巻取型のリング部巻取治具
の主軸固定部を短円筒部材より形成し、この短円筒部材
をリング状の巻取治具よりスポーク部の反転する幅以上
離間するように、L字状に折曲されたアームにより連結
すうようにしてもよい、このように構成した巻取型によ
れば、芯材を積層形成した後、連結板を取り外して巻取
型のリング部巻取治具と主軸との固定のみ解除し、ボス
金具と主軸先端とを固定した侭で、主軸を基端側へ移動
するだけで、芯材のスポーク部が反転するので、反転動
作が迅速に行なえ、作業性の向上が図れるという特有の
効果を奏する。
For example, in the winding die 20 used in the above embodiment, the fixation between the ring part winding jig A22 and the main shaft 21 is released, and the main shaft 21 is
After pulling it out, flip the laminated fiber bundle at the spoke part,
The main shaft fixing part 22d of the winding jig 22 takes up the main shaft 21 from the opposite direction.
It was explained that it was to be fixed again by passing it through the hole in the
The present invention is not limited to this, but the main shaft fixing part of the ring-shaped winding jig is formed from a short cylindrical member, and the short cylindrical member is connected to the ring-shaped winding jig so that the width of the spoke part is reversed. According to the winding mold configured in this way, the connecting plates can be removed and wound after the core material is laminated. By simply releasing the fixation between the take-up jig for the ring part of the mold and the main shaft, and fixing the boss metal fitting and the tip of the main shaft, the spoke part of the core material can be reversed by simply moving the main shaft toward the proximal end. This has the unique effect that the reversing operation can be performed quickly and workability can be improved.

(発明の効果) 以上、詳細に説明したように、本発明に係るFRP製ス
ナステアリングホイール芯材造方法によれば、以下の効
果を奏する。
(Effects of the Invention) As described above in detail, the method for manufacturing the FRP snap steering wheel core material according to the present invention provides the following effects.

まず、巻取型によりリング部、スポーク部、ボス部を積
層形成した後、スポーク部をリング部の反対側に反転さ
せてから樹脂を硬化させたので、リング部より分岐する
スポーク部の分岐部分の境界面に層間剥離が生じるのを
防止でき、曲げや捩り等に対する強度の優れたステアリ
ングホイール芯材を提供できる。
First, the ring part, spoke part, and boss part were laminated using a winding mold, and then the spoke parts were turned over to the opposite side of the ring part and the resin was cured. It is possible to prevent delamination from occurring at the interface between the two, and to provide a steering wheel core material with excellent strength against bending, twisting, etc.

また、分岐部分の境界面に生じた層間剥離現象が高じて
樹脂が白化することもないので外観の向上も図れる。
Further, since the resin does not become white due to the delamination phenomenon occurring at the boundary surface of the branched portion, the appearance can be improved.

さらに、スポーク部が反転された後で、再びボス部とリ
ング部とを主軸に固定してスポーク部の繊維束を引き延
ばしているので、スポーク部の体積含量(Vf値)をリ
ング部、ボス部に近い状態にまで高めることができると
いう副次的効果も奏する。
Furthermore, after the spoke parts are reversed, the boss part and the ring part are fixed to the main axis again and the fiber bundle of the spoke part is stretched, so the volume content (Vf value) of the spoke part is changed between the ring part and the boss part. It also has the secondary effect of being able to raise the level to a state close to that of .

【図面の簡単な説明】[Brief explanation of the drawing]

第1図乃至第5図(a)(b)は本発明方法の一実施例
を説明するためのもので、第1図は巻取型で繊維を巻取
っている状態を示す正面図、第2図は巻取型のリング部
巻取治具本体を示す左側面図、第3図は補助治具を取付
けて芯材を積層形成した状態を示す左側面図、第4rI
4はスポーク部を反転させて再度固定した状態を示す正
面図、第5図(a)は曲げ疲労試験を示す正面図、第5
1N(b)は同じくその部分拡大図である。また、第6
図は従来の一例を示す斜視図、第7図、第8図は同じく
左側面図、正面図、第9図は同じく部分拡大正面図であ
る。 なお、図中、同一符号を付したものは、同−又は相当す
る部材を示している。 l・・・ステアリングホイール芯材、2・・・リング部
、 3・・・ボス部、4・・・スポーク部、20・・・
巻取型、21・・・主軸、 22・・・リング部巻取治
具、23・・・補助治具、24・・・連結板。
1 to 5(a) and 5(b) are for explaining one embodiment of the method of the present invention. Figure 2 is a left side view showing the ring part winding jig body of the winding type, Figure 3 is a left side view showing the state in which the auxiliary jig is attached and the core material is laminated, and Figure 4rI
4 is a front view showing a state in which the spoke part is reversed and fixed again; FIG. 5(a) is a front view showing a bending fatigue test;
1N(b) is a partially enlarged view of the same. Also, the 6th
The figure is a perspective view showing an example of the conventional system, FIGS. 7 and 8 are a left side view and a front view, and FIG. 9 is a partially enlarged front view. In addition, in the drawings, the same reference numerals indicate the same or corresponding members. l... Steering wheel core material, 2... Ring part, 3... Boss part, 4... Spoke part, 20...
Winding die, 21... Main shaft, 22... Ring portion winding jig, 23... Auxiliary jig, 24... Connection plate.

Claims (1)

【特許請求の範囲】[Claims] (1)連続的に供給される樹脂含浸の長繊維を巻取型に
巻取って、ステアリングホイール芯材のリング部、スポ
ーク部、ボス部を積層形成した後、前記巻取型の少なく
ともリング部巻取治具と主軸との固定を解除し、ついで
前記リング部の積層繊維束に対して前記スポーク部の積
層繊維束を反転させて再び巻取型を固定し、しかる後に
、繊維に含浸された樹脂が硬化する雰囲気中に前記芯材
を放置して、前記芯材の樹脂を硬化させるようにしたこ
とを特徴とする繊維強化樹脂製ステアリングホイール芯
材の製造方法。
(1) After winding the continuously supplied resin-impregnated long fibers onto a winding mold to form a layered ring portion, spoke portion, and boss portion of the steering wheel core material, at least the ring portion of the winding mold is formed. The winding jig and the main shaft are unfixed, and then the laminated fiber bundle of the spoke part is inverted with respect to the laminated fiber bundle of the ring part, and the winding die is fixed again. 1. A method for producing a steering wheel core material made of fiber-reinforced resin, characterized in that the core material is left in an atmosphere where the resin is cured, thereby curing the resin of the core material.
JP60142039A 1985-06-28 1985-06-28 Manufacture of core material of steering wheel made of fiber reinforced resin Pending JPS621532A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP60142039A JPS621532A (en) 1985-06-28 1985-06-28 Manufacture of core material of steering wheel made of fiber reinforced resin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60142039A JPS621532A (en) 1985-06-28 1985-06-28 Manufacture of core material of steering wheel made of fiber reinforced resin

Publications (1)

Publication Number Publication Date
JPS621532A true JPS621532A (en) 1987-01-07

Family

ID=15305957

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60142039A Pending JPS621532A (en) 1985-06-28 1985-06-28 Manufacture of core material of steering wheel made of fiber reinforced resin

Country Status (1)

Country Link
JP (1) JPS621532A (en)

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