JPS6392442A - Manufacture of f.r.p product - Google Patents
Manufacture of f.r.p productInfo
- Publication number
- JPS6392442A JPS6392442A JP62066870A JP6687087A JPS6392442A JP S6392442 A JPS6392442 A JP S6392442A JP 62066870 A JP62066870 A JP 62066870A JP 6687087 A JP6687087 A JP 6687087A JP S6392442 A JPS6392442 A JP S6392442A
- Authority
- JP
- Japan
- Prior art keywords
- product
- prepreg
- tube
- mold
- prepreg sheet
- 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
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 238000000465 moulding Methods 0.000 claims description 5
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 7
- 239000011151 fibre-reinforced plastic Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- 229920000049 Carbon (fiber) Polymers 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 239000004917 carbon fiber Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 101100313164 Caenorhabditis elegans sea-1 gene Proteins 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 206010016256 fatigue Diseases 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 238000009730 filament winding Methods 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- OOYGSFOGFJDDHP-KMCOLRRFSA-N kanamycin A sulfate Chemical group OS(O)(=O)=O.O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CN)O[C@@H]1O[C@H]1[C@H](O)[C@@H](O[C@@H]2[C@@H]([C@@H](N)[C@H](O)[C@@H](CO)O2)O)[C@H](N)C[C@@H]1N OOYGSFOGFJDDHP-KMCOLRRFSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000012768 molten material Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007666 vacuum forming Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〈産業上の利用分野〉
本発明は、自転車フレーム、ホイールチェアフレーム、
航空機構造体又は各種スポーツ用具等複雑な構造をした
成形物、を一体成形するのに適したF−R−P(繊維強
化プラスチック)製品の製造方法に関する。[Detailed Description of the Invention] <Industrial Application Field> The present invention is applicable to bicycle frames, wheel chair frames,
The present invention relates to a method for manufacturing F-R-P (fiber reinforced plastic) products suitable for integrally molding molded products with complex structures such as aircraft structures or various sports equipment.
〈従来技術〉
F−R−P製品は、溶融物を金型内に流し込んで冷却成
形する鋳物、アルミニウム又はプラスチック製品とは製
造方法が異なり、材料を液体状態に溶融してから金型内
に注入して成形するという方法によりF−R−P製品を
製造することは、その材質上の特徴から、不可能である
。<Prior art> F-R-P products are manufactured in a different way from casting, aluminum, or plastic products, which are made by pouring a molten material into a mold and cooling it.In contrast, F-R-P products are manufactured by melting the material into a liquid state and then pouring it into a mold. Due to the characteristics of the material, it is impossible to manufacture F-R-P products by injection molding.
従って、従来、複雑な構造のF−R−P製品を製造する
場合に一体成形が行えず、製織又は配列された組織形態
の繊維に補強用樹脂を含浸させた半乾燥半硬化状態のプ
リプレグシート(PRE PREGSHEET )をテ
ープラッピング(TへPE WRAPP■NG )、フ
ィラメントワインデング(FILAMENT WIND
ING)、プレスモウルデング(PRESS HOLD
ING )又は真空成形(VACUUHBAG HOL
DING) W(7)工法ニヨリ成形して、単純な構造
物のみを製造しているのが実情である。Therefore, in the past, when manufacturing F-R-P products with complex structures, it was not possible to perform integral molding, and prepreg sheets in a semi-dry, semi-cured state where fibers with a woven or arranged structure were impregnated with reinforcing resin. Tape wrapping (PRE PREGSHEET) (PE WRAPPNG to T), filament winding (FILAMENT WIND)
ING), press molding (PRESS HOLD)
ING) or vacuum forming (VACUUHBAG HOL)
DING) W (7) Construction method The reality is that only simple structures are manufactured by molding.
そして、自転車フレーム(BrCYCLE FRAME
)又はホイールチェアフレーム(WllEEL C1
l八IRFRAJ任)等の複雑な構造物を製造する場合
には、単純な構造の多部分に分割成形した後に、これら
分割成形物を接着剤で連結することにより製品を完成さ
けるという方法が行なわれている。And bicycle frame (BrCYCLE FRAME)
) or wheel chair frame (WllEEL C1
When manufacturing complex structures such as IRFRAJ (18 IRFRAJ), the method used is to mold a simple structure into multiple parts and then connect these divided molded parts with adhesive to complete the product. It is.
〈発明が解決しようとする問題点〉 ところが、上記製造方法では、次の問題がある。<Problem that the invention seeks to solve> However, the above manufacturing method has the following problem.
分割成形物同士を接着剤で連結しているため、この接着
連結部が強度的に弱く、使用中に早期疲労により亀裂し
たり、破損したりすることがあり、使用寿命が短かい。Since the divided molded products are connected with adhesive, this adhesive connection part is weak in strength and may crack or break due to early fatigue during use, resulting in a short service life.
本発明は、上記問題点を解消することを目的とする。The present invention aims to solve the above problems.
く問題点を解決するための手段〉〉
本発明は、上記目的を達成するために、例えば第1図乃
至第5図に示すように構成したものである。A means for solving problems>> The present invention is configured, for example, in order to achieve the above purpose, for example, Fig. 1 and Fig. 5.
すなわち、プリプレグシート1をデユープ2に巻いて製
品の部分形態に製作し、この部分形態に製作したプリプ
レグシー1へ1を組み合せて製品の全体形態に配設し、
この状態でプリプレグシー1−1同士が対接して連結す
る部分をプリプレグ片5で固定した後、金型内に入れ、
チュ−ブ2内を高圧にして膨脹さけて製品を一体に成形
りるようにしたものである。That is, the prepreg sheet 1 is wrapped around a duplex 2 to produce a partial product, and the prepreg sheet 1 produced in this partial shape is combined with 1 to form the entire product.
In this state, after fixing the parts where the prepreg sheets 1-1 face each other and connect with each other with the prepreg pieces 5, they are placed in a mold,
The product is molded into one piece by applying high pressure inside the tube 2 to avoid expansion.
〈作用〉 次に、その作用を説明する。<Effect> Next, its effect will be explained.
チューブ2に巻いたプリプレグシート1をデフーーブ2
とともに屈曲して製品の部分形態に製作した後、製品の
全体形態に配置する。この時に、プリプレグシー1〜1
同士が対接して連結部る部分をプリプレグ片5で固定す
る。Dehoove prepreg sheet 1 wrapped around tube 2
After bending the product into a partial form of the product, it is placed into the overall form of the product. At this time, prepregsy 1 to 1
The connecting portions where they face each other are fixed with prepreg pieces 5.
これを金型4内に入れ、チューブ2内を高圧にして膨脹
させると、プリプレグ片5で固定した対接連結部分が圧
搾されて周囲のプリプレグシーi〜1と一体に成形され
る。When this is put into the mold 4 and expanded by applying high pressure to the inside of the tube 2, the opposing connecting portions fixed by the prepreg pieces 5 are compressed and molded integrally with the surrounding prepreg seams i to 1.
〈発明の効果〉
本発明は、上記のよ゛)に構成され、作用することから
、次の効果を奏する。<Effects of the Invention> Since the present invention is configured and operates as described above, it has the following effects.
すなわち、製品の部分形態に製作したプリプレグシー1
−を製品の全体形態に配置するととしに、プリプレグシ
ー1−同士の対接連結部分をプリプレグ片で固定した状
態でF−R−PI品を製造するので、F−R−P製品を
一体成形すると同時に、プリプレグシート同士の対接連
結部分をプリプレグ片によりほぼ一体化して成形するこ
とができ、対接連結部分が強度的に強く、亀裂が発生し
たり、破損したりすることがない。In other words, Prepreg Sea 1 manufactured in the form of a partial product
- is arranged in the overall form of the product, and since the F-R-PI product is manufactured with the connecting parts of the prepreg seams 1- fixed with prepreg pieces, the F-R-P product is integrally molded. At the same time, the opposing connecting portions between the prepreg sheets can be molded almost integrally with the prepreg pieces, and the opposing connecting portions are strong and will not crack or break.
〈実施例〉
次に、本発明の実施例を第1図乃至第5図に基づき説明
する。<Example> Next, an example of the present invention will be described based on FIGS. 1 to 5.
プリプレグシー1−1はグラス(叶Δ5S)IJI!、
炭素(CARBON )繊維、アラミド繊維、弗素繊維
等の複合材料原糸又は組織に樹脂を含浸させた半乾燥半
硬化状態のものであり、表1に複合材料(CARBON
FIBER−GLASS FIBER)と他材料どの
物性比較を示す。Prepreg Sea 1-1 is Glass (Kano Δ5S) IJI! ,
It is a semi-dry, semi-hardened product made by impregnating resin into composite fibers or textures such as carbon fibers, aramid fibers, and fluorine fibers.
A comparison of the physical properties of FIBER-GLASS FIBER) and other materials is shown.
第1図及び第2図に示すように、ゴム製のチューブ2に
マンドレル(HANDREL ) (心棒)3を挿通
した状態で、1ユーブ2上にプリプレグシート1を一定
の厚さで春込む。As shown in FIGS. 1 and 2, with a mandrel (handle) 3 inserted into a rubber tube 2, a prepreg sheet 1 is spring-loaded onto a tube 2 to a constant thickness.
次ぎに、チューブ2からマンドレル3を抜取り、チュー
ブ2に巻かれたプリプレグシー1へ1を、例えば第3図
の7a・7b・7Cに示すように、予め想定しておいた
製品の部分形態に屈曲する。第4図に示すように、この
屈曲体7a・7b・7Cを製品の全体形態に合せて配置
し、屈曲体7a・7b・7C同士の接触部を半乾燥半硬
化状態の1リプレグ片5で巻いて固定するか、その上に
プリプレグシー1へ1を再積層し、チューブ2の開口端
部に空気注入具6を挿入する。Next, the mandrel 3 is taken out from the tube 2, and the prepreg sheet 1 is wrapped around the tube 2 to form the partial shape of the product as shown in 7a, 7b, and 7C in FIG. 3, for example. bend. As shown in FIG. 4, the bent bodies 7a, 7b, and 7C are arranged according to the overall shape of the product, and the contact portions between the bent bodies 7a, 7b, and 7C are covered with one repreg piece 5 in a semi-dry, semi-hardened state. Either wrap it up and fix it, or re-stack 1 on top of the prepreg sheet 1, and insert the air injector 6 into the open end of the tube 2.
それから、上記空気注入具6が外部に露出リ−るよう下
部金型に位置させるとともに上部金型を絹付け、組付は
終わると、空気注入具6からチューブ2内に高圧の空気
又はガス圧を加えて、チューブ2を膨脹させる。これに
より、プリプレグ片5で巻いた連結部が均一な厚さに圧
搾される。。Then, the air injection tool 6 is placed in the lower mold so that it is exposed to the outside, and the upper mold is attached. When the assembly is completed, high pressure air or gas is pumped from the air injection tool 6 into the tube 2. is added to inflate tube 2. As a result, the connecting portion wrapped with the prepreg piece 5 is compressed to a uniform thickness. .
この後適正温度の熱を加えて冷却し、冷II後説型する
と、完成品が得られる。After that, heat to an appropriate temperature is applied to cool it, and a cold mold is applied to obtain a finished product.
このように、複雑な構造をした自転車ノ1ノーム、ホイ
ールチェアフレーム、産業構造物、航空機構造体、曲線
及び角線管又は各種スポーツ用具等の一体成形が可能と
なり、炭素ファイバ(CARBON FIBER)又は
グラスファイバ(GLASS FIBER)を含む複合
材料の材質上の特性を利用して、高引張強度、高弾性、
超軽量性等が要求される金属代替品としての活用価値が
向上する。In this way, it is possible to integrally mold bicycles with complex structures, wheel chair frames, industrial structures, aircraft structures, curved and rectangular wire tubes, and various sports equipment, etc., using carbon fiber (CARBON FIBER) or High tensile strength, high elasticity, and
The value of use as a metal substitute that requires ultra-lightweight properties will increase.
(以下余白)(Margin below)
第1図乃至第5図は本発明の実施例を示し、第1図はチ
ューブにプリプレグシートを巻回している状態図、第2
図はチューブにプリプレグシートを巻回完了した状態図
、第3図はチューブに巻回したプリプレグシートを製品
の部分形態に屈曲した状態図、第4図は第3図の各プリ
プレグシートを相互にプリプレグシート片で巻き結合し
た状態図、第5図は金型内で製品に一体成形した状態図
である。
1・・・プリプレグシート、2・・・チューブ、4・・
・金型、5・・・プリプレグ片。
特 許 出 願 人 株式会社 韓国ハイパ第1図
第3図
第4図
第5図1 to 5 show embodiments of the present invention.
The figure shows a state in which the prepreg sheet has been completely wound around a tube, Figure 3 shows a state in which the prepreg sheet wound around a tube has been bent into a partial form of a product, and Figure 4 shows how each prepreg sheet in Figure 3 is connected to each other. FIG. 5 shows a state in which the prepreg sheet pieces are wound and bonded, and FIG. 5 shows a state in which the product is integrally molded in a mold. 1... prepreg sheet, 2... tube, 4...
・Mold, 5...prepreg piece. Patent applicant Korea Hyper Co., Ltd. Figure 1 Figure 3 Figure 4 Figure 5
Claims (1)
分形態に製作し、この部分形態に製作したプリプレグシ
ート1を製品の全体形態に配置し、この状態でプリプレ
グシート1同士が対接して連結する部分をプリプレグ片
5で固定した後、金型4内に入れ、チューブ2内を高圧
にして膨脹させて製品を一体に成形することを特徴とす
るF・R・P製品の製造方法1. Wrap the prepreg sheet 1 around a tube 2 to produce a partial product shape, place the prepreg sheet 1 produced in this partial shape in the overall product shape, and in this state, the prepreg sheets 1 are connected to each other by facing each other. A method for producing an F/R/P product, which is characterized by fixing the parts with prepreg pieces 5, placing them in a mold 4, applying high pressure to the inside of the tube 2 to expand the product, and molding the product in one piece.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019860002152A KR870008683A (en) | 1986-03-21 | 1986-03-21 | Manufacturing method of F.R.P product |
KR1986-2152 | 1986-03-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6392442A true JPS6392442A (en) | 1988-04-22 |
Family
ID=19249028
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62066870A Pending JPS6392442A (en) | 1986-03-21 | 1987-03-19 | Manufacture of f.r.p product |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPS6392442A (en) |
KR (1) | KR870008683A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01502577A (en) * | 1986-05-12 | 1989-09-07 | トリンブル,ブレント ジェイ | Composite bicycle frame and its manufacturing method |
US5318742A (en) * | 1992-08-28 | 1994-06-07 | You Chin San | Method of making bicycle tubular frame of plastic composite material |
US5322249A (en) * | 1992-07-15 | 1994-06-21 | You Chin San | Method of making game racket frame of plastic compound material |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100418249B1 (en) * | 2001-04-26 | 2004-02-11 | 이대인 | A method of manufacture an solid body or a fabric air pouring into type swelling a balloon |
-
1986
- 1986-03-21 KR KR1019860002152A patent/KR870008683A/en not_active Application Discontinuation
-
1987
- 1987-03-19 JP JP62066870A patent/JPS6392442A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01502577A (en) * | 1986-05-12 | 1989-09-07 | トリンブル,ブレント ジェイ | Composite bicycle frame and its manufacturing method |
US5322249A (en) * | 1992-07-15 | 1994-06-21 | You Chin San | Method of making game racket frame of plastic compound material |
US5318742A (en) * | 1992-08-28 | 1994-06-07 | You Chin San | Method of making bicycle tubular frame of plastic composite material |
Also Published As
Publication number | Publication date |
---|---|
KR870008683A (en) | 1987-10-20 |
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