JPH06106632A - Method for molding composite material product - Google Patents
Method for molding composite material productInfo
- Publication number
- JPH06106632A JPH06106632A JP4261465A JP26146592A JPH06106632A JP H06106632 A JPH06106632 A JP H06106632A JP 4261465 A JP4261465 A JP 4261465A JP 26146592 A JP26146592 A JP 26146592A JP H06106632 A JPH06106632 A JP H06106632A
- Authority
- JP
- Japan
- Prior art keywords
- composite material
- product
- molding
- heat
- fiber prepreg
- 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
- Moulding By Coating Moulds (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、複合材（繊維強化プラ
スチック）を用いて、主に角パイプや中空パネルや中空
ブロック等の所望の複雑な閉断面形状の複合材製品を成
形する複合材製品の成形方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention mainly uses a composite material (fiber reinforced plastic) to form a composite material product having a desired complicated closed cross-sectional shape such as a square pipe, a hollow panel or a hollow block. The present invention relates to a method of molding a product.
【０００２】[0002]
【従来の技術】近年、軽量化並びに高強度化などの目的
で、エポキシ樹脂やポリエステル等のプラスチックをマ
トリックスとしカーボン繊維やボロン繊維或いはガラス
繊維等の強化材を加えた強化繊維プリプレグ複合材の開
発がめざましく、これら複合材を用いた各種製品のニー
ズが非常に高まって来ている。2. Description of the Related Art In recent years, for the purpose of weight reduction and high strength, development of a reinforced fiber prepreg composite material in which a plastic such as epoxy resin or polyester is used as a matrix and a reinforcing material such as carbon fiber, boron fiber or glass fiber is added. Remarkably, the needs for various products using these composite materials have increased significantly.
【０００３】特に、この種の複合材は軽量で高強度の構
造体製品を製作できる優れた特性を持つ素材であるか
ら、航空宇宙分野等の極限的条件で用いられる各種部材
としては複合材製品が大きな力を発揮すると考えらえ
る。なかでも、構造力学的観点からは、複合材をパイプ
や中空体等の薄肉閉断面形状に成形することが、軽量で
且つ高強度の製品を得る上で重要である。In particular, since this kind of composite material is a material having excellent characteristics capable of producing a light-weight and high-strength structural product, it is a composite material product as various members used under the extreme conditions such as the aerospace field. Can be considered to exert great power. Among them, from the viewpoint of structural mechanics, it is important to form a composite material into a thin closed cross-sectional shape such as a pipe or a hollow body in order to obtain a lightweight and high-strength product.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、各種閉
断面形状の複合材製品は成形技術的に難しいと言う欠点
があり、単なる直円筒等の単純形状のものであればフィ
ラメントワインデイング等の方法で製作できるが、それ
以外の複雑な閉断面形状のパイプや中空体などの場合
は、本体部と蓋の如き部分とを独立して成形した後に互
いに接着するなどの面倒な方法が取られている。従っ
て、複合材製品の製作が面倒でコスト高を招くと共に、
形状的に多くの制約が生じるなどの問題があった。However, a composite material product having various closed cross-sectional shapes has a drawback in that it is difficult in terms of molding technology, and if it has a simple shape such as a simple right cylinder, it may be formed by a method such as filament winding. Although it can be manufactured, in the case of pipes and hollow bodies with other complicated closed cross-sectional shapes, a troublesome method such as independently molding the main body part and the lid and then adhering them to each other is taken. . Therefore, the production of the composite material product is troublesome and costly, and
There were problems such as many restrictions in shape.
【０００５】本発明は前記事情に鑑みなされ、その目的
とするところは、複雑な閉断面形状の製品でも複合材を
用いて簡単に製作することができて、軽量で高強度の優
れた複合材製品を安価に得られる成形方法を提供するこ
とにある。The present invention has been made in view of the above circumstances, and it is an object of the present invention that even a product having a complicated closed cross-sectional shape can be easily manufactured by using the composite material, and the composite material is excellent in light weight and high strength. It is to provide a molding method that allows a product to be obtained at low cost.
【０００６】[0006]
【課題を解決するための手段と作用】第１の発明の複合
材の成形方法は、前記目的を達成するために、低融点合
金で所要形状のオス型を作り、このオス型に熱硬化性樹
脂をマトリックスとした強化繊維プリプレグ複合材を積
層し、このプリプレグ複合材層をオートクレープ等で熱
硬化した後、前記オス型を熱融解して除去することによ
り複合材製品を得ることを特徴とする。Means and Actions for Solving the Problems In order to achieve the above-mentioned object, a method for molding a composite material according to the first aspect of the present invention comprises forming a male mold of a required shape with a low melting point alloy, and thermosetting the male mold. A composite product is obtained by laminating a reinforced fiber prepreg composite material using a resin matrix, thermally curing this prepreg composite material layer with an autoclave, etc., and then thermally melting and removing the male mold. To do.
【０００７】このように低融点合金を用いてオス型を作
り、このオス型に複合材を積層して硬化後に、低融点合
金よりなる該オス型を熱融解して除去するので、設計上
の自由度を大幅に改善できて、薄肉で複雑な閉断面形状
の軽量・高強度に優れた複合材製品を簡単且つ確実にし
かも安く製作できるようになる。As described above, since a male mold is formed by using the low melting point alloy, the composite material is laminated on the male mold, and after hardening, the male mold made of the low melting point alloy is thermally melted and removed. The degree of freedom can be greatly improved, and it becomes possible to easily, reliably, and cheaply manufacture a composite material product that is thin, has a complicated closed cross-sectional shape, and is excellent in lightweight and high strength.
【０００８】第２の発明の複合材の成形方法は、前記目
的を達成するために、所要形状をした金属製治具に熱硬
化性樹脂をマトリックスとした強化繊維プリプレグ複合
材を積層し、このプリプレグ複合材層をオートクレープ
等で熱硬化した後、前記金属製治具を溶剤で溶解して除
去することにより複合材製品を得ることを特徴とする。In order to achieve the above-mentioned object, the method for molding a composite material of the second invention comprises laminating a reinforced fiber prepreg composite material having a thermosetting resin as a matrix on a metal jig having a required shape, It is characterized in that a composite material product is obtained by thermally curing the prepreg composite material layer by an autoclave or the like, and then dissolving and removing the metal jig with a solvent.
【０００９】このように金属製治具を用いた場合でも、
これを複合材積層硬化後に該金属製治具を溶剤で溶解し
て除去するので、前記同様に設計上の自由度を大幅に改
善できて、薄肉で複雑な閉断面形状の軽量・高強度に優
れた複合材製品が簡単且つ確実にしかも安く製作できる
ようになる。Even when the metal jig is used as described above,
Since the metal jig is removed by dissolving it with a solvent after the composite material is laminated and cured, the degree of freedom in design can be greatly improved, and the thin, complex closed cross-sectional shape with light weight and high strength can be achieved. Superior composite products can be manufactured easily, reliably and cheaply.
【００１０】第３の発明の複合材の成形方法は、前記目
的を達成するために、ロウ或いは低融点合金又はアルミ
等で所要形状の中子を作り、この中子の周面に常温硬化
性樹脂と強化繊維を湿式で積層して硬化し、この状態で
前記中子を熱融解或いは溶剤により溶解して除去して内
面層を作り、この内面層の周面に熱硬化性樹脂をマトリ
ックスとした強化繊維プリプレグ複合材を積層してオー
トクレープ等で熱硬化することにより複合材製品を得る
ことを特徴とする。In order to achieve the above-mentioned object, the molding method of the composite material according to the third aspect of the present invention forms a core having a required shape with wax, a low melting point alloy, aluminum or the like, and cures at room temperature on the peripheral surface of the core. The resin and the reinforcing fiber are laminated by a wet method and cured, and in this state, the core is melted by heat or removed by a solvent to form an inner surface layer, and a thermosetting resin is formed on the peripheral surface of the inner surface layer as a matrix. It is characterized in that a composite material product is obtained by laminating the reinforced fiber prepreg composite material and heat-curing it in an autoclave or the like.
【００１１】このように中子を用いて常温硬化性樹脂と
強化繊維とを湿式で積層して硬化した後、該中子を熱融
解或いは溶剤で溶解して除去することで内面層を作り、
この内面層の周面に強化繊維プリプレグ複合材を積層し
て熱硬化するので、前記同様に設計上の自由度を大幅に
改善できて、複雑な閉断面形状の複合材製品が簡単且つ
確実にしかも安く製作できると共に、その複合材製品の
内面寸法・形状の精度を向上できるようになる。As described above, after the room temperature curable resin and the reinforcing fiber are wet-laminated using the core and cured, the core is heat-melted or dissolved in a solvent to remove the inner surface layer,
Since the reinforcing fiber prepreg composite material is laminated on the peripheral surface of this inner surface layer and heat-cured, the degree of freedom in design can be greatly improved in the same manner as described above, and a composite material product having a complicated closed cross-sectional shape can be easily and surely obtained. In addition, it can be manufactured at low cost, and the precision of the inner surface dimensions and shape of the composite material product can be improved.
【００１２】[0012]
【実施例】以下、本発明の複合材製品の成形方法の第１
の実施例を図１により説明する。なお、この実施例にお
ける複合材製品としては、例えば軽量化・高強度化並び
に耐油性などが強く要求される航空機類の油圧配管など
に利用される屈曲中空パイプＡを対象としている。EXAMPLES The first example of the method for molding a composite material product of the present invention will be described below.
The embodiment will be described with reference to FIG. The composite material product in this embodiment is intended to be a bent hollow pipe A used for hydraulic pipes of aircrafts, which are strongly required to be lightweight and have high strength and oil resistance.
【００１３】まず、図中１（ａ）に示す如く、低融点合
金を石膏等の型（図示せず）に流し込んで所望の屈曲中
空パイプＡより一回り小径な屈曲棒状のオス型１を作
る。このオス型１の外周面に図１（ｂ）に示す如く熱硬
化性樹脂をマトリックスとした強化繊維プリプレグ複合
材２を出来るだけ均等厚さに積層し、このプリプレグ複
合材２層を図示しないオートクレープ等で熱硬化する。
こうした後に、前記オス型１を熱融解して除去すること
により、図１（ｃ）に示す如く複合材製品である屈曲中
空パイプＡを得る。この屈曲中空パイプＡはトリミング
や塗装等の仕上げを行って完成品とする。First, as shown in FIG. 1 (a), a low melting point alloy is poured into a mold (not shown) such as gypsum to form a bent rod-shaped male mold 1 having a diameter slightly smaller than the desired bent hollow pipe A. . As shown in FIG. 1 (b), a reinforcing fiber prepreg composite material 2 having a thermosetting resin as a matrix is laminated on the outer peripheral surface of the male mold 1 to have a uniform thickness as much as possible. Heat cure with crepe.
After that, the male mold 1 is heat-melted and removed to obtain a bent hollow pipe A which is a composite material product as shown in FIG. 1 (c). The bent hollow pipe A is finished by trimming and painting.
【００１４】なお、前記オス型１を構成する低融点合金
としては、組成を変えることで任意に融点を設定できる
ハンダ（すず−鉛合金）等を材料として用いる。例え
ば、低温系ハンダ 143（融点 143℃、千住金属社製）を
用いる。この場合、前記強化繊維プリプレグ複合材２と
しては、 130℃熱硬化型のエポキシ樹脂をマトリックス
としたカーボン繊維プリプレグ（東レ社製、樹脂ＮＯ．
2500を用いたカーボン繊維プリプレグＦ6151など）を用
いる。As the low melting point alloy forming the male die 1, solder (tin-lead alloy) whose melting point can be arbitrarily set by changing the composition is used as a material. For example, low temperature solder 143 (melting point 143 ° C., manufactured by Senju Metal Co., Ltd.) is used. In this case, as the reinforcing fiber prepreg composite material 2, a carbon fiber prepreg (made by Toray Industries, Inc., resin NO.
Carbon fiber prepreg F6151 using 2500) is used.
【００１５】また、高温系ハンダ 220（融点 220℃、千
住金属社製）を用いる場合は、強化繊維プリプレグ複合
材２として、 180℃熱硬化型のエポキシ樹脂をマトリッ
クスとしたカーボン繊維プリプレグ（東レ社製、樹脂Ｎ
Ｏ．3601を用いたカーボン繊維プリプレグＦ6142、或い
はＭＸＧ−6001／７５８１三菱化成ファイバーライト社
製）を用いる。When high-temperature solder 220 (melting point 220 ° C., manufactured by Senju Metal Co., Ltd.) is used, as the reinforcing fiber prepreg composite material 2, a carbon fiber prepreg having a 180 ° C. thermosetting epoxy resin matrix (Toray Co., Ltd.) is used. Made of resin N
O. Carbon fiber prepreg F6142 using 3601 or MXG-6001 / 7581 manufactured by Mitsubishi Kasei Fiberlight Co., Ltd.) is used.
【００１６】前記オス型１の外周面に強化繊維プリプレ
グ複合材２を積層する手段としては、シートワインデイ
ング（数センチから数十センチの幅を持つプリプレグを
オス型１に巻き付ける）方式や、フィラメントワインデ
イング（強化繊維を溶融樹脂中に通しながらオス型１に
巻き付ける）方式や、ハンドレイアップ方式がある。製
造効率を重視する場合は前記シートワインデイング方式
が良く、強度を重視する場合は前記フィラメントワイン
デイング方式が良い。As a means for laminating the reinforcing fiber prepreg composite material 2 on the outer peripheral surface of the male die 1, a sheet winding method (a prepreg having a width of several centimeters to several tens of centimeters is wound around the male die 1) or a filament is used. There are a winding method (wrapping around the male mold 1 while passing the reinforcing fiber through the molten resin) and a hand layup method. The sheet winding method is preferable when manufacturing efficiency is important, and the filament winding method is preferable when strength is important.
【００１７】このように低融点合金を用いてオス型１を
作り、このオス型１に複合材２を積層して硬化後に、該
オス型１を熱融解して除去するので、複合材２のみから
なる軽量・高強度並びに耐油性に優れた閉断面形状の屈
曲中空パイプＡが簡単且つ確実にしかも安く製作できる
ようになる。As described above, since the male die 1 is made of the low melting point alloy, the composite material 2 is laminated on the male die 1 and cured, and then the male die 1 is thermally melted and removed, so that only the composite material 2 is formed. The bent hollow pipe A having a closed cross-section, which is excellent in light weight, high strength, and oil resistance, can be manufactured easily, reliably and inexpensively.
【００１８】次に、本発明の第２の実施例を図２により
説明する。ここでは複合材製品として、例えば、前述同
様に軽量化・高強度化並びに耐油性などが強く要求され
る高性能自動車やバイク或いは航空機類の構造部材など
に利用される角パイプＢを対象としている。Next, a second embodiment of the present invention will be described with reference to FIG. Here, as the composite material product, for example, the square pipe B used for structural members of high-performance automobiles, motorcycles, aircrafts, etc., which are strongly required to be lighter and stronger and have oil resistance as described above, is targeted. .
【００１９】まず、図中２（ａ）に示す如く、所望の角
パイプＢより一回り小径な角パイプ形状をした使い捨て
金属製治具１１をオス型として用いる。この金属製治具
１１の外周に前述同様にして熱硬化性樹脂をマトリック
スとした強化繊維プリプレグ複合材１２を図２（ｂ）に
示す如く積層し、このプリプレグ複合材層１２をオート
クレープ等で熱硬化する。こうした後、前記金属製治具
１１を溶剤で溶解して除去することにより図２（ｃ）に
示す如く複合材１２のみからなる角パイプＢを得る。こ
の角パイプＢはトリミングや塗装等の仕上げを行って完
成品とする。First, as shown in FIG. 2 (a), a disposable metal jig 11 in the shape of a square pipe having a diameter slightly smaller than the desired square pipe B is used as a male mold. A reinforcing fiber prepreg composite material 12 using a thermosetting resin as a matrix is laminated on the outer periphery of the metal jig 11 as shown in FIG. 2 (b), and the prepreg composite material layer 12 is autoclaved. Heat cure. After that, the metal jig 11 is dissolved and removed with a solvent to obtain a square pipe B made of only the composite material 12 as shown in FIG. This square pipe B is finished by trimming and painting.
【００２０】なお、前記使い捨て金属製治具１１として
は、例えばアルミ合金（純アルミでも可）を用いる。こ
の場合、直径50mm程度までなら肉厚１mmで十分な型強度
が得られる。このアルミ製治具１１を強化繊維プリプレ
グ複合材１２の熱硬化後に溶解する溶剤としては、水酸
化ナトリウムなどのアルカリ性水溶液を用いる。強化繊
維プリプレグ複合材１２は熱硬化型のエポキシ樹脂をマ
トリックスとしたカーボン繊維プリプレグの他に、熱硬
化型のポリエステル樹脂をマトリックスとした繊維プリ
プレグでも、耐アルカリ性に優れているので使用可能で
ある。As the disposable metal jig 11, for example, an aluminum alloy (pure aluminum may be used) is used. In this case, if the diameter is up to about 50 mm, sufficient mold strength can be obtained with a wall thickness of 1 mm. As a solvent that dissolves the aluminum jig 11 after the thermosetting of the reinforcing fiber prepreg composite material 12, an alkaline aqueous solution such as sodium hydroxide is used. The reinforced fiber prepreg composite material 12 can be used in addition to the carbon fiber prepreg in which a thermosetting epoxy resin is used as a matrix, as well as a fiber prepreg in which a thermosetting polyester resin is used as a matrix, because it has excellent alkali resistance.
【００２１】また、使い捨て金属製治具１１として、例
えば鉄や炭素鋼を用いることも可である。この場合、直
径50mm程度までなら肉厚 0.3mm以上であれば十分な型強
度が得られる。この鉄製治具１１を強化繊維プリプレグ
複合材１２の熱硬化後に溶解する溶剤としては、塩酸な
どの水溶液を用いる。強化繊維プリプレグ複合材１２の
熱硬化型樹脂は殆どのものが耐酸性に優れているので、
各種の樹脂が使用可能である。It is also possible to use, for example, iron or carbon steel as the disposable metal jig 11. In this case, if the diameter is up to about 50 mm and the wall thickness is 0.3 mm or more, sufficient mold strength can be obtained. An aqueous solution of hydrochloric acid or the like is used as a solvent for dissolving the iron jig 11 after the thermosetting of the reinforcing fiber prepreg composite material 12. Since most of the thermosetting resins for the reinforced fiber prepreg composite material 12 have excellent acid resistance,
Various resins can be used.
【００２２】このように金属製治具１１を用いた場合で
も、これを複合材１２の積層硬化後に溶剤で溶解して除
去するので、前記同様に複合材１２のみからなる軽量・
高強度並びに耐油性に優れた閉断面形状の角パイプＢが
簡単且つ確実にしかも安く製作できるようになる。Even when the metal jig 11 is used as described above, it is dissolved and removed with a solvent after the composite material 12 is laminated and cured.
The rectangular pipe B having a closed cross-section excellent in high strength and oil resistance can be manufactured easily, reliably and inexpensively.
【００２３】次に、本発明の第３の実施例を図３により
説明する。ここでは複合材製品として、例えば、前述同
様に軽量化・高強度化並びに耐油性などが強く要求され
る配管系のタンク部材などとして利用される中空箱Ｃを
対象としている。Next, a third embodiment of the present invention will be described with reference to FIG. Here, as the composite material product, for example, the hollow box C used as a tank member of a piping system, which is strongly required to be lightweight and high-strength and oil resistance as described above, is targeted.
【００２４】まず、図中３（ａ）に示す如く、ロウ（パ
ラフィン）を石膏や粘土等の型（図示せず）に流し込ん
で所望の中空箱Ｃより一回り小形な中子２１を作る。こ
の中子２１の外周面に図３（ｂ）に示す如く常温硬化性
樹脂としてのエポキシ樹脂と強化繊維としてのガラスク
ロスを湿式で積層する。この際、ガラスクロスは４〜７
層程度巻き付ける。製品の大きさや形状などにより型に
要求される強度が変わるため、それに応じてガラスクロ
スの積層数を変える。この状態で該エポキシ樹脂とガラ
スクロス層２２を常温で硬化させる。この後に全体を65
℃程度に昇温して中子２１（パラフィンの融点は45〜65
℃である）を熱融解溶解して除去することにより、エポ
キシ樹脂とガラスクロス層２２のみからなる内面層
（型）２３を作る。First, as shown in FIG. 3 (a), wax (paraffin) is poured into a mold (not shown) such as gypsum or clay to form a core 21 which is one size smaller than the desired hollow box C. As shown in FIG. 3B, an epoxy resin as a room temperature curable resin and a glass cloth as a reinforcing fiber are wet laminated on the outer peripheral surface of the core 21. At this time, the glass cloth is 4 to 7
Wrap about a layer. Since the strength required for the mold varies depending on the size and shape of the product, the number of laminated glass cloths should be changed accordingly. In this state, the epoxy resin and the glass cloth layer 22 are cured at room temperature. After this the whole 65
The core 21 is heated to about ℃ (melting point of paraffin is 45-65
C.) is melted, melted, and removed to form an inner surface layer (mold) 23 composed only of the epoxy resin and the glass cloth layer 22.
【００２５】この状態で、内面層２３の外周面に前述同
様の 120℃硬化型のエポキシ樹脂等の熱硬化性樹脂をマ
トリックスとしたカーボン繊維プリプレグ複合材２４を
積層し、これをオートクレープ等で熱硬化することによ
り、複合材製品である中空箱Ｃを得る。このプリプレグ
硬化後は前述同様にトリミングや塗装等の仕上げを行っ
て完成品とする。In this state, a carbon fiber prepreg composite material 24 having a thermosetting resin such as a 120 ° C. curing type epoxy resin as a matrix as described above is laminated on the outer peripheral surface of the inner surface layer 23, and this is laminated by an autoclave or the like. By thermosetting, a hollow box C that is a composite material product is obtained. After the prepreg is cured, trimming, painting and other finishing are performed as described above to obtain a finished product.
【００２６】このように中子２１を用いて常温硬化性樹
脂と強化繊維２２とを湿式で積層して硬化した後、該中
子２１を熱融解して除去することで内面層２３を作り、
この内面層２３の外周面に強化繊維プリプレグ複合材２
４を積層して熱硬化するので、軽量・高強度並びに耐油
性に優れた閉断面形状の中空箱Ｃが簡単且つ確実にしか
も安く製作できるようになると共に、その中空箱Ｃの内
面寸法・形状の精度を向上できるようになる。As described above, after the room temperature curable resin and the reinforcing fiber 22 are wet-laminated and cured by using the core 21, the core 21 is thermally melted and removed to form the inner surface layer 23,
The reinforcing fiber prepreg composite material 2 is provided on the outer peripheral surface of the inner surface layer 23.
Since 4 is laminated and heat-cured, it becomes possible to manufacture a hollow box C with a closed cross-section that is lightweight, high strength, and excellent in oil resistance easily, reliably, and cheaply, and the inner surface dimension and shape of the hollow box C. The accuracy of can be improved.
【００２７】なお、この第３の実施例の場合、中子２１
をロウで構成したが、それ以外に第１の実施例同様に低
融点合金で中子２１を構成して、内層面２３成型硬化後
には熱融解して除去するか、或いはアルミ等の金属で中
子２１を構成して、内層面２３成型硬化後には溶剤によ
り溶解して除去するようにしても良い。In the case of the third embodiment, the core 21
However, the core 21 is made of a low melting point alloy as in the first embodiment, and is removed by heat melting after molding and hardening the inner layer surface 23, or by using a metal such as aluminum. The core 21 may be configured so that after the inner layer surface 23 is molded and cured, it is dissolved and removed by a solvent.
【００２８】[0028]
【発明の効果】前述した本発明の複合剤製品の成型方法
であれば、設計上の自由度を大幅に改善でき、複雑な閉
断面形状の製品でも複合材を用いて簡単且つ確実に製作
することができて、薄肉で軽量・高強度に優れた複合材
製品を安く提供できるようになる。EFFECTS OF THE INVENTION With the above-described method for molding a composite agent product of the present invention, the degree of freedom in design can be greatly improved, and a product having a complicated closed cross-sectional shape can be easily and surely manufactured using a composite material. As a result, thin-walled, lightweight, high-strength composite material products can be provided at a low price.
【図１】本発明の複合材製品の成型方法の第１の実施例
を示す工程図。FIG. 1 is a process diagram showing a first embodiment of a method for molding a composite material product of the present invention.
【図２】本発明の複合材製品の成型方法の第２の実施例
を示す工程図。FIG. 2 is a process drawing showing a second embodiment of the method for molding a composite material product of the present invention.
【図３】本発明の複合材製品の成型方法の第３の実施例
を示す工程図。FIG. 3 is a process drawing showing a third embodiment of the method for molding a composite material product of the present invention.
１…オス型、２、１２、２４…熱硬化性樹脂をマトリッ
クスとした強化繊維プリプレグ複合材、１１…金属製治
具、２１…中子、２２…常温硬化性樹脂と強化繊維、２
３…内面層、Ａ…複合剤製品（Ａ…中空屈曲パイプ、Ｂ
…角パイプ、Ｃ…中空箱）。DESCRIPTION OF SYMBOLS 1 ... Male type, 2, 12, 24 ... Reinforcing fiber prepreg composite material using a thermosetting resin as a matrix, 11 ... Metal jig, 21 ... Core, 22 ... Room temperature curable resin and reinforcing fibers, 2
3 ... Inner surface layer, A ... Composite agent product (A ... Hollow bent pipe, B
… Square pipe, C… Hollow box).
Claims (3)
このオス型に熱硬化性樹脂をマトリックスとした強化繊
維プリプレグ複合材を積層し、このプリプレグ複合材層
をオートクレープ等で熱硬化した後、前記オス型を熱融
解して除去することにより複合材製品を得ることを特徴
とする複合材製品の成形方法。1. A low-melting-point alloy is used to form a male mold of the required shape,
This male mold is laminated with a reinforced fiber prepreg composite material having a thermosetting resin as a matrix, and the prepreg composite material layer is heat-cured by an autoclave or the like, and then the male mold is thermally melted to remove the composite material. A method for molding a composite material product, which comprises obtaining the product.
脂をマトリックスとした強化繊維プリプレグ複合材を積
層し、このプリプレグ複合材層をオートクレープ等で熱
硬化した後、前記金属製治具を溶剤で溶解して除去する
ことにより複合材製品を得ることを特徴とする複合材製
品の成形方法。2. A reinforced fiber prepreg composite material having a thermosetting resin as a matrix is laminated on a metal jig having a required shape, and the prepreg composite material layer is heat-cured by an autoclave or the like, and then the metal treatment is performed. A method for molding a composite material product, which comprises obtaining a composite material product by dissolving and removing a tool with a solvent.
要形状の中子を作り、この中子の周面に常温硬化性樹脂
と強化繊維を湿式で積層して硬化し、この状態で前記中
子を熱融解或いは溶剤により溶解して除去して内面層を
作り、この内面層の周面に熱硬化性樹脂をマトリックス
とした強化繊維プリプレグ複合材を積層してオートクレ
ープ等で熱硬化することにより複合材製品を得ることを
特徴とする複合材製品の成形方法。3. A core having a required shape is made of wax, a low melting point alloy, aluminum or the like, and a room temperature curable resin and reinforcing fibers are wet laminated on the peripheral surface of the core to cure the core. To make an inner layer by melting the child by heat melting or dissolving with a solvent, stacking a reinforcing fiber prepreg composite material with a thermosetting resin as a matrix on the peripheral surface of this inner layer, and heat curing with an autoclave etc. A method of molding a composite material product, comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4261465A JPH06106632A (en) | 1992-09-30 | 1992-09-30 | Method for molding composite material product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4261465A JPH06106632A (en) | 1992-09-30 | 1992-09-30 | Method for molding composite material product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH06106632A true JPH06106632A (en) | 1994-04-19 |
Family
ID=17362281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4261465A Pending JPH06106632A (en) | 1992-09-30 | 1992-09-30 | Method for molding composite material product |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH06106632A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009542494A (en) * | 2006-07-06 | 2009-12-03 | エアバス ドイチェランド ゲゼルシャフト ミット ベシュレンクテル ハフツング | Method for producing composite fiber component using molded core material and molded core material thereof |
| US8500085B2 (en) | 2006-07-06 | 2013-08-06 | Airbus Operations Gmbh | Method for manufacturing a composite fiber component for aerospace |
| US8906489B2 (en) | 2006-07-06 | 2014-12-09 | Airbus Operations Gmbh | Method for producing a fibre composite component for aviation and spaceflight |
| JP2014534914A (en) * | 2011-10-19 | 2014-12-25 | ヘクセル コーポレイション | High pressure molding of composite parts |
| US9492974B2 (en) | 2006-07-06 | 2016-11-15 | Airbus Operations Gmbh | Method for producing a fiber composite component for aviation and spaceflight |
| US10207463B2 (en) | 2006-07-06 | 2019-02-19 | Airbus Operations Gmbh | Method for producing a fiber composite component for aerospace |
| CN116001312A (en) * | 2022-12-26 | 2023-04-25 | 江西洪都航空工业集团有限责任公司 | Manufacturing method of slender carbon fiber composite square tube structural member |
-
1992
- 1992-09-30 JP JP4261465A patent/JPH06106632A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009542494A (en) * | 2006-07-06 | 2009-12-03 | エアバス ドイチェランド ゲゼルシャフト ミット ベシュレンクテル ハフツング | Method for producing composite fiber component using molded core material and molded core material thereof |
| US8500085B2 (en) | 2006-07-06 | 2013-08-06 | Airbus Operations Gmbh | Method for manufacturing a composite fiber component for aerospace |
| US8906489B2 (en) | 2006-07-06 | 2014-12-09 | Airbus Operations Gmbh | Method for producing a fibre composite component for aviation and spaceflight |
| US9492974B2 (en) | 2006-07-06 | 2016-11-15 | Airbus Operations Gmbh | Method for producing a fiber composite component for aviation and spaceflight |
| US10207463B2 (en) | 2006-07-06 | 2019-02-19 | Airbus Operations Gmbh | Method for producing a fiber composite component for aerospace |
| JP2014534914A (en) * | 2011-10-19 | 2014-12-25 | ヘクセル コーポレイション | High pressure molding of composite parts |
| CN116001312A (en) * | 2022-12-26 | 2023-04-25 | 江西洪都航空工业集团有限责任公司 | Manufacturing method of slender carbon fiber composite square tube structural member |
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