JPH0349934A - Manufacture of fiber reinforced composite material - Google Patents
Manufacture of fiber reinforced composite materialInfo
- Publication number
- JPH0349934A JPH0349934A JP1184939A JP18493989A JPH0349934A JP H0349934 A JPH0349934 A JP H0349934A JP 1184939 A JP1184939 A JP 1184939A JP 18493989 A JP18493989 A JP 18493989A JP H0349934 A JPH0349934 A JP H0349934A
- Authority
- JP
- Japan
- Prior art keywords
- reinforcing fibers
- fiber
- molding tools
- jigs
- reinforced composite
- 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.)
- Granted
Links
- 239000003733 fiber-reinforced composite Substances 0.000 title claims abstract description 13
- 239000000463 material Substances 0.000 title claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 title claims description 17
- 239000012783 reinforcing fiber Substances 0.000 claims abstract description 38
- 239000000835 fiber Substances 0.000 claims abstract description 9
- 239000011347 resin Substances 0.000 claims abstract description 8
- 229920005989 resin Polymers 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 5
- 238000010030 laminating Methods 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims 1
- 230000002787 reinforcement Effects 0.000 claims 1
- 238000000465 moulding Methods 0.000 abstract description 9
- 229920001187 thermosetting polymer Polymers 0.000 abstract description 4
- 230000003014 reinforcing effect Effects 0.000 abstract 2
- 238000005452 bending Methods 0.000 abstract 1
- 238000003475 lamination Methods 0.000 abstract 1
- 239000004918 carbon fiber reinforced polymer Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は例えばＣＦＲＰ （炭素繊維強化プラスチック
）製軽量構造物等の繊維強化複合材料の製造方法に関す
るものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a method for manufacturing fiber-reinforced composite materials such as lightweight structures made of CFRP (carbon fiber reinforced plastic).
第２図は従来の製造方法における成形型の上部を切断し
た斜視図である。図において、（１）は成形型で、横断
面正三角形の柱状に形成され、それぞれの辺（２）を対
向させるように並べて配置されている。 （３ａ）、（
３ｂ）、（３ｃ）は熱硬化性樹脂を含浸させた強化繊維
であり、成形型（１）の各辺（２）に沿って、そのすき
間（４）に挿入して積層されている。FIG. 2 is a perspective view with the upper part of the mold cut away in a conventional manufacturing method. In the figure, (1) is a mold, which is formed into a columnar shape with an equilateral triangular cross section, and is arranged side by side so that each side (2) faces each other. (3a), (
3b) and (3c) are reinforcing fibers impregnated with a thermosetting resin, which are inserted and laminated along each side (2) of the mold (1) into the gap (4).
成形型（１）は強化繊維（３ａ） ｔ （３ｂ） 、
（３ｃ）によって形成される各単位格子（５）ごとに配
置されている。The mold (1) is made of reinforcing fibers (3a) t (3b),
(3c) is arranged for each unit cell (5) formed by.
従来の繊維強化複合材料の製造方法は、熱硬化性樹脂を
含浸させた強化繊維（３ａ） 、 （３ｂ） 、 （３
ｃ）を、そのｊ＠に交互に成形型（１）同士のすき間（
４）に積層し、その後硬化し、繊維強化複合材料を製造
する。The conventional manufacturing method of fiber-reinforced composite materials involves reinforcing fibers (3a), (3b), (3) impregnated with thermosetting resin.
c) in the gap between the molds (1) (
4) and then cured to produce a fiber reinforced composite material.
しかるに、このような従来の製造方法では、成形型のす
き間に樹脂を含浸させた強化繊維を積層しているので、
強化繊維を加圧成形するためには、成形型のすき間に強
化繊維を詰め込む方法しかなく、このため繊維体積含有
率の制御、強化繊維の乱れの防止が困難であった。However, in such conventional manufacturing methods, reinforcing fibers impregnated with resin are laminated in the gaps between the molds.
The only way to pressurize the reinforcing fibers is to stuff the reinforcing fibers into the gaps in the mold, which makes it difficult to control the fiber volume content and prevent the reinforcing fibers from becoming disordered.
本発明は、上記のような問題点を解消するためになされ
たもので、繊維体積含有率を制御し１強化繊維の乱れを
防止することができ、また大型の繊維強化複合材料の製
造にも適した繊維強化複合材料の製造方法を得ることを
目的としている。The present invention was made to solve the above-mentioned problems, and it is possible to control the fiber volume content and prevent disorder of the 1-reinforced fibers, and it is also suitable for the production of large-scale fiber-reinforced composite materials. The purpose of this study is to obtain a method for manufacturing suitable fiber-reinforced composite materials.
本発明の繊維強化複合材料の製造方法は、正三角形もし
くは正方形の単位格子を持ち、かつ単位格子の各辺の方
向に、樹脂を含浸させた強化繊維を連続して、３方向も
しくは２方向に交互に積層し、硬化する繊維強化複合材
料の製造方法において、成形型を単位格子１個おきに配
置し、成形型を配置しない部分に側面加圧治具を配置し
て、成形型側面との間で強化繊維を加圧成形硬化する方
法である。The method for producing a fiber-reinforced composite material of the present invention has an equilateral triangular or square unit cell, and in each side of the unit cell, reinforcing fibers are continuously impregnated with resin in three or two directions. In a manufacturing method for fiber-reinforced composite materials in which layers are alternately laminated and cured, molds are placed every other unit cell, and a side pressure jig is placed in areas where molds are not placed, thereby pressing against the sides of the molds. This is a method in which reinforcing fibers are pressure molded and hardened in between.
この場合１強化繊維の乱れを防ぐために、強化繊維の各
交差部および強化繊維の両端部に、強化繊維固定治具を
所定のすき間を持つように配置して、強化繊維のたるみ
による乱れを防止することができる。In this case, 1. In order to prevent the reinforcing fibers from becoming disordered, a reinforcing fiber fixing jig is placed with a predetermined gap at each intersection of the reinforcing fibers and at both ends of the reinforcing fibers to prevent the reinforcing fibers from becoming disordered due to slack. can do.
本発明の製造方法においては、成形型を単位格子１個お
きに配置し、樹脂を含浸させた強化繊維を成形型の各辺
に沿って連続して３方向もしくは２方向に交互に積層し
た後、加圧治具によって、積層した強化繊維を成形型側
面に加圧成形して硬化し、繊維強化複合材料を製造する
。In the manufacturing method of the present invention, a mold is arranged every other unit cell, reinforcing fibers impregnated with resin are laminated continuously along each side of the mold in three directions or alternately in two directions. Using a pressure jig, the laminated reinforcing fibers are pressure-molded onto the side surface of the mold and cured to produce a fiber-reinforced composite material.
以下、本発明の一実施例を図について説明する。 An embodiment of the present invention will be described below with reference to the drawings.
第１図は実施例の製造法における成形型を示す横断面図
であり、図において、第２図と同一符号は同一または相
当部分を示す。成形型（１）は強化繊維（３ａ） ＝
（３ｂ） −（３ｃ）の単位格子（５）（本実施例の場
合は正三角形）１個おきに配置されており、この成形型
（１）の各辺に対向するように、成形型（１）を配置し
ない部分に側面加圧治具（６）が配置されている。また
強化繊維（３ａ） 、 （３ｂ） 、 （３ｃ）の各交
差部および強化繊維（３ａ） 、 （３ｂ） 、 （３
ｃ）の両端部には、強化繊維固定治具（７）が配置され
ている。FIG. 1 is a cross-sectional view showing a mold in the manufacturing method of the embodiment, and in the figure, the same reference numerals as in FIG. 2 indicate the same or corresponding parts. The mold (1) is reinforced fiber (3a) =
(3b) - (3c) are arranged every other unit cell (5) (equilateral triangle in the case of this example), and the mold (1) is arranged so as to face each side of the mold (1). A side pressure jig (6) is placed in the area where 1) is not placed. In addition, each intersection of reinforcing fibers (3a), (3b), (3c) and reinforcing fibers (3a), (3b), (3
Reinforced fiber fixing jigs (7) are arranged at both ends of c).
繊維強化複合材料の製造方法は、熱硬化性樹脂を含浸さ
せた強化繊維（３ａ）、 （３ｂ） 、（３ｃ）を、成
形型（１）の側面に、各辺（２）に沿って、成形型（１
）と強化繊維固定治具（７）との間に挿入して積層する
。The method for producing a fiber reinforced composite material includes reinforcing fibers (3a), (3b), (3c) impregnated with a thermosetting resin on the side of a mold (1) along each side (2), Molding mold (1
) and the reinforcing fiber fixing jig (7) and stacking them.
この場合、強化繊維（３ａ） 、 （３ｂ） 、 （３
ｃ）は３方向にそれぞれ連続に、（３ａ） 、 （３ｂ
） −（３ｃ）の順で交互に積層成形する。このとき１
強化繊維の乱れの原因となる自重によるたわみは、強化
繊維固定治具（７）によって防止される０強化繊維（３
ａ） 、（３ｂ） ｐ （３ｃ）の積層後、側面加圧治
具（６）によって、強化繊維（３ａ）。In this case, reinforcing fibers (3a), (3b), (3
c) is continuous in three directions, (3a), (3b
) - (3c) are alternately laminated and molded in this order. At this time 1
Deflection due to its own weight, which causes disorder of the reinforcing fibers, is prevented by the reinforcing fiber fixing jig (7).
After laminating a), (3b) and (3c), the reinforcing fiber (3a) is removed using a side pressure jig (6).
（３ｂ）、 （３ｃ）を成形型（１）の側面との間で所
定の肉厚になるよう加圧成形して硬化し、繊維強化複合
材料を製造する。(3b) and (3c) are pressure-molded with the side surface of the mold (1) to a predetermined thickness and cured to produce a fiber-reinforced composite material.
なお、上記実施例では成形型（１）は正三角形の横断面
を有するものを使用したが、正方形のものでもよい。In the above embodiment, the mold (1) has an equilateral triangular cross section, but it may also have a square shape.
以上のように、本発明によれば、単位格子１個おきに成
形型を配置し、側面加圧治具で強化繊維を加圧するよう
にしたので、繊維体積含有率を制御でき、強化繊維の乱
れも防止できる効果がある。As described above, according to the present invention, a mold is arranged every other unit cell, and the reinforcing fibers are pressurized by the side pressure jig, so the fiber volume content can be controlled, and the reinforcing fibers are It also has the effect of preventing disturbances.
第１図は本発明の一実施例による製造方法を示す断面図
、第２図は従来例による製造方法を示す斜視図である。
各図中、同一符号は同一または相当部分を示し、（１）
は成形型、（３ａ）、 （３ｂ） 、 （３ｃ）は強化
繊維、（６）は側面加圧治具、（７）は強化繊維固定治
具である。FIG. 1 is a sectional view showing a manufacturing method according to an embodiment of the present invention, and FIG. 2 is a perspective view showing a manufacturing method according to a conventional example. In each figure, the same reference numerals indicate the same or corresponding parts, (1)
(3a), (3b), (3c) are reinforcing fibers, (6) is a side pressure jig, and (7) is a reinforcing fiber fixing jig.
Claims (1)
単位格子の各辺の方向に、樹脂を含浸させた強化繊維を
連続して、３方向もしくは２方向に交互に積層し、硬化
する繊維強化複合材料の製造方法において、成形型を単
位格子１個おきに配置し、成形型を配置しない部分に側
面加圧治具を配置して、成形型側面との間で強化繊維を
加圧成形硬化することを特徴とする繊維強化複合材料の
製造方法。(1) Fiber reinforcement that has an equilateral triangular or square unit lattice and is made by laminating reinforcing fibers impregnated with resin continuously in the direction of each side of the unit lattice, alternately in three or two directions, and then hardening. In a method for manufacturing composite materials, molds are placed every other unit cell, a side pressure jig is placed in areas where molds are not placed, and reinforcing fibers are pressure-molded and hardened between the sides of the mold. A method for producing a fiber-reinforced composite material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1184939A JPH0661853B2 (en) | 1989-07-18 | 1989-07-18 | Method for manufacturing fiber-reinforced composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1184939A JPH0661853B2 (en) | 1989-07-18 | 1989-07-18 | Method for manufacturing fiber-reinforced composite material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0349934A true JPH0349934A (en) | 1991-03-04 |
| JPH0661853B2 JPH0661853B2 (en) | 1994-08-17 |
Family
ID=16161999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1184939A Expired - Lifetime JPH0661853B2 (en) | 1989-07-18 | 1989-07-18 | Method for manufacturing fiber-reinforced composite material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0661853B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05269873A (en) * | 1992-01-30 | 1993-10-19 | Nikkiso Co Ltd | Production of lattice like structure |
| JP2004009453A (en) * | 2002-06-05 | 2004-01-15 | Mitsubishi Electric Corp | Grid structure and its manufacturing method |
| CN103753833A (en) * | 2013-12-19 | 2014-04-30 | 浙江大学 | Method for reinforcing connecting pipe or opening of fibrous composite material pressure-bearing shell |
-
1989
- 1989-07-18 JP JP1184939A patent/JPH0661853B2/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05269873A (en) * | 1992-01-30 | 1993-10-19 | Nikkiso Co Ltd | Production of lattice like structure |
| JP2004009453A (en) * | 2002-06-05 | 2004-01-15 | Mitsubishi Electric Corp | Grid structure and its manufacturing method |
| CN103753833A (en) * | 2013-12-19 | 2014-04-30 | 浙江大学 | Method for reinforcing connecting pipe or opening of fibrous composite material pressure-bearing shell |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0661853B2 (en) | 1994-08-17 |
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