JP2871783B2 - Composite material forming method and forming apparatus - Google Patents

Composite material forming method and forming apparatus

Info

Publication number
JP2871783B2
JP2871783B2 JP2023819A JP2381990A JP2871783B2 JP 2871783 B2 JP2871783 B2 JP 2871783B2 JP 2023819 A JP2023819 A JP 2023819A JP 2381990 A JP2381990 A JP 2381990A JP 2871783 B2 JP2871783 B2 JP 2871783B2
Authority
JP
Japan
Prior art keywords
laminate
mold
composite material
heating furnace
molding
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.)
Expired - Fee Related
Application number
JP2023819A
Other languages
Japanese (ja)
Other versions
JPH03227607A (en
Inventor
之夫 中島
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.)
Subaru Corp
Original Assignee
Fuji Jukogyo KK
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 Fuji Jukogyo KK filed Critical Fuji Jukogyo KK
Priority to JP2023819A priority Critical patent/JP2871783B2/en
Publication of JPH03227607A publication Critical patent/JPH03227607A/en
Application granted granted Critical
Publication of JP2871783B2 publication Critical patent/JP2871783B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/10Isostatic pressing, i.e. using non-rigid pressure-exerting members against rigid parts or dies
    • B29C43/12Isostatic pressing, i.e. using non-rigid pressure-exerting members against rigid parts or dies using bags surrounding the moulding material or using membranes contacting the moulding material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32Component parts, details or accessories; Auxiliary operations
    • B29C43/36Moulds for making articles of definite length, i.e. discrete articles
    • B29C43/3642Bags, bleeder sheets or cauls for isostatic pressing
    • B29C2043/3644Vacuum bags; Details thereof, e.g. fixing or clamping
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/08Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
    • B29K2105/0854Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns in the form of a non-woven mat

Description

【発明の詳細な説明】 〔発明の目的〕 (産業上の利用分野) 本発明は、たとえば航空機の構造部材に使用されるよ
うな複合材を均一に加温しながら成形するための複合材
の成形方法および成形装置に関する。
DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial application field) The present invention relates to a composite material for forming a composite material used for a structural member of an aircraft while uniformly heating the composite material. The present invention relates to a molding method and a molding apparatus.

(従来の技術) 航空機の構造部材に使用されている複合材は、プリプ
レグと呼ばれる薄い素材を複数枚積層して作られてい
る。コ字状断面形状を有する構造部材を作るには、成形
型へ直接手作業により積層して成形する方法と、予め素
材を平板上に積層してその積層体を成形型で成形する方
法があるが、現在では予め素材を平板上に積層してその
積層体を成形型で成形する方法がより簡便であるために
用いられている。またこのような複合材の成形には、積
層体を予備加温して成形すると、品質の安定した成形品
となることが分かっている。
(Prior Art) Composite materials used for aircraft structural members are made by laminating a plurality of thin materials called prepregs. In order to produce a structural member having a U-shaped cross-sectional shape, there is a method of directly laminating and molding directly on a molding die, or a method of laminating a material in advance on a flat plate and molding the laminate with a molding die. However, at present, a method of laminating a material on a flat plate in advance and molding the laminate with a molding die is used because it is simpler. Further, it has been found that when molding such a composite material, the laminate is preheated and molded to obtain a molded product having stable quality.

特公昭60−21528号公報に開示されている合成樹脂成
形品の製造方法は、成形装置に赤外線ヒータを取付け、
合成樹脂シートを予熱した成形型上に載置したそのまま
の状態あるいは一辺または相対する二辺を挟持したの
ち、これを加熱し、ついで全部の辺あるいは残りの辺に
挟持し、しかる後真空成形を施すことで寸法精度の高い
合成樹脂成形品を作るものである。
Japanese Patent Publication No. Sho 60-21528 discloses a method of manufacturing a synthetic resin molded product, in which an infrared heater is attached to a molding apparatus.
After holding the synthetic resin sheet as it is placed on the preheated mold or holding one side or two opposite sides, heat it, then hold it on all sides or the remaining sides, and then perform vacuum forming By applying it, a synthetic resin molded article with high dimensional accuracy is produced.

また実願昭62−26838号の複合材折曲成形装置は、固
定マンドレルに加温装置を付設し、成形型を予め予熱す
ることで品質の安定した成形品を作るものである。
In addition, the composite material bending molding apparatus disclosed in Japanese Utility Model Application No. 62-26838 is provided with a heating device attached to a fixed mandrel and preheats a molding die to produce a molded product having stable quality.

(発明が解決しようとする課題) 成形装置に赤外線ヒータを取付け、成形型を予熱する
とともに、積層品を成形型にセットした後も赤外線ヒー
タで積層品を加温する技術手段では、厚物積層品を成形
する場合には、予熱されている成形型に接触する部分と
赤外線ヒータからの輻射熱が直接照射される最上層部分
以外は加温されないので、加温されない部分の層間が滑
らず、内R側の層の繊維があまってしわを形成し、製品
の不良品を作ってしまう。
(Problems to be Solved by the Invention) In the technical means of attaching an infrared heater to the molding apparatus, preheating the mold, and heating the laminated article with the infrared heater even after the laminated article is set in the mold, a thick material lamination is used. When molding an article, the part other than the part in contact with the preheated mold and the uppermost layer to which the radiant heat from the infrared heater is directly irradiated are not heated. The fibers of the R-side layer gather and form wrinkles, resulting in a defective product.

また固定マンドレルに加温装置を付設して成形型を予
め予熱する技術手段では、4層から12層程度の比較的薄
い積層品については成形できても、それ以上の厚さの積
層品については、成形型に接触している部分以外は加温
されないので、上述したように加温されない部分の層間
が滑らず、内R側の層の繊維があまってしわを形成し、
製品の不良品を作ってしまう。
Also, in the technical means of preheating the mold by attaching a heating device to the fixed mandrel, a relatively thin laminated product of about 4 to 12 layers can be molded, but a laminated product having a larger thickness can be molded. Since the portion other than the portion in contact with the mold is not heated, the layers of the portion not heated do not slip as described above, and the fibers of the inner R-side layer form wrinkles,
Makes defective products.

本発明は上記した点に鑑みてなされたもので、熱を外
部に逃がさずに真空圧による成形で積層品を短時間で均
一に加温しかつ積層品を冷却することなく成形するよう
にして、内R側の層の繊維があまってしわを形成しない
ようにした複合材の成形方法および成形装置を提供する
ことを目的とする。
The present invention has been made in view of the above points, so that the laminated product is uniformly heated in a short time and molded without cooling the laminated product by molding under vacuum pressure without releasing heat to the outside. It is an object of the present invention to provide a method and an apparatus for molding a composite material in which the fibers of the layer on the inner R side are prevented from forming wrinkles.

〔発明の構成〕[Configuration of the invention]

(課題を解決するための手段) 本発明の複合材の成形成形装置は、熱風および冷風が
均一に送り込まれる加熱炉と、成形型および複合材積層
品を載置し加熱炉内に送り込まれる搬送装置と、加熱炉
内に配置された成形型および複合材積層品を包み込み密
封空間を形成するバッグを有し成形型および複合材積層
品を囲む密封空間を真空にする真空装置とを有して構成
される。
(Means for Solving the Problems) The apparatus for forming and molding a composite material according to the present invention includes a heating furnace in which hot air and cold air are uniformly fed, and a conveyance in which a forming die and a composite material laminate are placed and fed into the heating furnace. An apparatus and a vacuum device that has a bag that wraps the mold and the composite laminate disposed in the heating furnace to form a sealed space and that evacuates the sealed space surrounding the mold and the composite laminate. Be composed.

本発明の複合材の成形方法は、熱風および冷風が均一
に送り込まれる加熱炉内に断面コ字状の成形型を配置す
る工程と、この成形型を所定の温度で所定時間加温する
工程と、加温された成形型に多層の平板状積層体を取付
ける工程と、成形型および多層平板状積層体を密閉空間
内に置く工程と、密閉空間内に置いた多層平板状積層体
を所定の温度になるまで加温しかつこの温度を所定時間
保持する工程と、多層平板状積層体を密閉空間内を真空
状態とすることで加圧成形する工程と、多層平板状積層
体の加圧成形が完了した後所定時間成形品を冷却する工
程とを有して構成される。
The method for molding a composite material of the present invention includes the steps of disposing a mold having a U-shaped cross section in a heating furnace into which hot air and cool air are uniformly fed, and heating the mold at a predetermined temperature for a predetermined time. Attaching a multilayer plate-like laminate to a heated mold, placing the mold and the multilayer plate-like laminate in an enclosed space, and placing the multilayer plate-like laminate in the enclosed space in a predetermined Heating to a temperature and maintaining this temperature for a predetermined time, pressure-forming the multilayer plate-like laminate by evacuating the enclosed space, and pressure-forming the multilayer plate-like laminate. And cooling the molded product for a predetermined time after the completion of the process.

(作 用) 本発明の複合材の成形成形装置においては、搬送装置
に載置された成形型および複合材積層品を熱風および冷
風が均一に送り込まれる加熱炉に送り込み、複合材積層
品を短時間で均一加温し、均一加温した複合材積層品お
よび成形型にバッグを被せて、成形型および複合材積層
品を密閉空間内に位置させ、成形型および複合材積層品
を囲む密閉空間を真空装置により真空とし、複合材積層
品をこの真空状態の下で加圧および加熱することによ
り、品質の安定した厚さの厚い積層成形品を作ることが
可能になる。
(Operation) In the composite molding apparatus of the present invention, the molding die and the composite laminate placed on the transfer device are fed into a heating furnace in which hot air and cold air are uniformly fed, and the composite laminate is shortened. Cover the composite laminate and the mold with uniform heating over time, cover the mold with the bag, place the mold and the composite laminate in the closed space, and surround the mold and the composite laminate with the enclosed space. Is evacuated by a vacuum device, and the composite laminate is pressurized and heated under this vacuum state, thereby making it possible to produce a thick laminated molded product with stable quality.

本発明の複合材の成形方法においては、熱風および冷
風が均一に送り込まれる加熱炉内に断面コ字状の成形型
を配置して、この成形型を所定の温度で所定時間加温す
ることにより、成形型を均一に加温し、この均一に加温
した成形型に多層の平板状積層体を取付けかつ成形型お
よび多層平板状積層体を密閉空間内に置き、この密閉空
間内に置いた多層平板状積層体を所定の温度になるまで
加温しこの温度を所定時間保持することにより多層平板
状積層体を均一に加温し、密閉空間内を真空状態とし、
樹脂を十分に軟化させて成形時の層間のすべりをよくし
た条件で加圧成形し、この加圧成形が完了した後所定時
間冷却することで品質の安定した厚さの厚い積層成形品
を作ることが可能になる。
In the method for molding a composite material of the present invention, a molding die having a U-shaped cross section is placed in a heating furnace into which hot air and cold air are uniformly fed, and the molding die is heated at a predetermined temperature for a predetermined time. Then, the mold was heated uniformly, a multilayered plate-like laminate was attached to the uniformly heated mold, and the mold and the multilayer plate-like laminate were placed in an enclosed space, and placed in the enclosed space. The multilayer flat plate laminate is heated to a predetermined temperature, and the temperature is maintained for a predetermined time to uniformly heat the multilayer flat plate laminate, and the inside of the sealed space is evacuated,
Pressure molding is performed under the conditions that the resin is sufficiently softened and the slip between layers during molding is improved, and after this pressure molding is completed, it is cooled for a predetermined time to produce a thick laminated molded product with stable quality and thickness It becomes possible.

(実施例) 以下本発明の一実施例を図面につき説明する。An embodiment of the present invention will be described below with reference to the drawings.

第1図は本発明による複合材の成形装置を示し、この
複合材成形装置は、熱風循環式の加熱炉1と、加熱炉1
の温度を抑制するための温度制御装置2と、成形型3お
よび積層品4を載置する定盤5と、この定盤5に載置さ
れた成形型3および積層品4を包み込む大きさの真空引
き用シリコーンバッグ6(第2図)とを有し、定盤5は
加熱炉1の内部に延びるレール7,7に沿って走行自在に
配置されている。上記定盤5は、加熱炉1の開口部に設
けた昇降式扉8を通って加熱炉1の内部に送り込まれる
ようになっている。また上記定盤5の上面周辺には全周
を囲むようにシール装置9が突設され、このシール装置
9より内側の部位に開口10が形成されている。この開口
10は真空ライン11を介して図示しない真空装置に接続さ
れ、定盤5の上面とシリコーンバッグとの間に形成され
る密封空間を真空状態にするようにしている。
FIG. 1 shows an apparatus for forming a composite material according to the present invention. The apparatus for forming a composite material includes a heating furnace 1 of a hot air circulation type,
A temperature control device 2 for suppressing the temperature of the mold, a surface plate 5 on which the mold 3 and the laminated product 4 are mounted, and a size of a size that wraps the mold 3 and the laminated product 4 mounted on the surface plate 5. The platen 5 has a vacuum evacuation silicone bag 6 (FIG. 2), and the platen 5 is arranged so as to run along rails 7, 7 extending inside the heating furnace 1. The platen 5 is fed into the heating furnace 1 through a lifting door 8 provided at an opening of the heating furnace 1. A sealing device 9 is protruded from the periphery of the upper surface of the surface plate 5 so as to surround the entire circumference, and an opening 10 is formed in a portion inside the sealing device 9. This opening
Reference numeral 10 is connected to a vacuum device (not shown) via a vacuum line 11 so that a sealed space formed between the upper surface of the platen 5 and the silicone bag is evacuated.

上記シリコーンバッグ6は、第2図に示すように加熱
炉1の内部に立設した支柱12,12にガイド13,13を介して
図示しないモータにより昇降自在に支持されている。
As shown in FIG. 2, the silicone bag 6 is supported by supports (12, 12) erected inside the heating furnace 1 via guides (13, 13) by a motor (not shown) so as to be able to move up and down.

一方上記加熱炉1の側壁内面および上壁内面には、熱
源14で作られた熱風を循環させるためのフアン装置15、
16が配置されている。上記熱源14の温度およびフアン装
置15、16の風量は、積層品4の温度を検出するための熱
電対17により制御される。
On the other hand, a fan device 15 for circulating hot air generated by the heat source 14 is provided on the inner surface of the side wall and the inner surface of the upper wall of the heating furnace 1.
16 are arranged. The temperature of the heat source 14 and the air volumes of the fan devices 15 and 16 are controlled by a thermocouple 17 for detecting the temperature of the laminated product 4.

つぎに本発明による複合材の成形方法を第5図ないし
第8図により説明する。
Next, a method of forming a composite material according to the present invention will be described with reference to FIGS.

まず成形型3を乗せた定盤5を加熱炉1の内部に延び
るレール7,7に沿って走行させて、定盤5を加熱炉1内
の所定の位置に置く。この状態ではシリコーンバッグ6
は、第5図に示すように定盤5の上方で支柱12,12にガ
イド13,13を介して支持されている。つぎにフアン装置1
5、16を作動させて、熱源14で作られた熱風を循環さ
せ、定盤5に載置された成形型3が60℃になるまで加温
する。成形型3の温度が60℃に達したら、成形型3をそ
の温度すなわち60℃で30分間保持する。ついで成形型3
に積層品4をセットし、図示しないモータを作動させ
て、シリコーンバッグ6を支柱12,12に沿って下降さ
せ、シリコーンバッグ6の周辺部をシール装置9に圧接
させて、定盤5とシリコーンバッグ6の間に積層品4を
配置した密閉空間17を形成する。その後積層品4の温度
が55℃(+5℃から−0℃まで)になるまでその状態を
保持する。つぎに積層品4の温度が60℃を越えないよう
に、熱風の温度を熱電対17により制御しながら第8図に
示すように55℃(+5℃−0℃)の温度を10分間保持す
る。この時間が経過したら、真空装置を作動させて真空
ライン11を介して密閉空間17内の空気を−500mmHg以上
の真空圧で引く。第6図は真空引きを開始した直後の状
態を示す。真空の適用によりシリコーンバッグ6の周辺
部はシール装置9に圧接し、続いて真空引きを行うこと
で、密閉空間17の空気は脱気され、シリコーンバッグ6
が積層品4を成形型3に押し付け、これにより積層品4
の両側部分が成形型3の側面に沿って曲げられ、積層品
4はコ字状断面を形成する。
First, the surface plate 5 on which the mold 3 is placed is moved along rails 7 extending into the heating furnace 1, and the surface plate 5 is placed at a predetermined position in the heating furnace 1. In this state, the silicone bag 6
Are supported by guides 12, 12 above the base plate 5 via guides 13, 13, as shown in FIG. Next, fan device 1
5 and 16, the hot air generated by the heat source 14 is circulated, and the mold 3 placed on the platen 5 is heated to 60 ° C. When the temperature of the mold 3 reaches 60 ° C., the mold 3 is kept at that temperature, that is, at 60 ° C. for 30 minutes. Then mold 3
The silicone bag 6 is lowered along the columns 12 and 12 by operating a motor (not shown), and the periphery of the silicone bag 6 is pressed against the sealing device 9 so that the platen 5 and the silicone A closed space 17 in which the laminated product 4 is arranged between the bags 6 is formed. Thereafter, the state is maintained until the temperature of the laminate 4 reaches 55 ° C. (from + 5 ° C. to −0 ° C.). Then, while controlling the temperature of the hot air with the thermocouple 17 so that the temperature of the laminate 4 does not exceed 60 ° C., the temperature of 55 ° C. (+ 5 ° C.-0 ° C.) is maintained for 10 minutes as shown in FIG. . After this time has elapsed, the vacuum device is operated to draw air in the sealed space 17 through the vacuum line 11 at a vacuum pressure of -500 mmHg or more. FIG. 6 shows a state immediately after starting the evacuation. By applying a vacuum, the peripheral portion of the silicone bag 6 is pressed against the sealing device 9 and then evacuated, whereby the air in the closed space 17 is degassed and the silicone bag 6 is removed.
Presses the laminate 4 against the molding die 3, whereby the laminate 4
Are bent along the side surface of the mold 3, and the laminate 4 forms a U-shaped cross section.

第7図はバッグ内の空気がすべてなくなり、積層品4
がコ字状断面を形成した状態を示し、この状態になった
ら、扉8を開き、フアン装置15,16を作動させて、冷風
を積層品4に吹き付けることで、積層品4の冷却を開始
する。本実施例では真空引きを開始してから冷却を行う
までに約5分間費やした。積層品4の冷却は積層品4の
温度が35℃に下がるまで続けられ、積層品4の温度が35
℃になったら、真空引きを止めて、バッグを解放する。
FIG. 7 shows that the air in the bag has completely disappeared,
Shows a state in which a U-shaped cross section is formed. When this state is reached, the door 8 is opened, the fan devices 15 and 16 are operated, and cooling of the laminate 4 is started by blowing cool air onto the laminate 4. I do. In this embodiment, it took about 5 minutes from the start of evacuation to cooling. The cooling of the laminate 4 is continued until the temperature of the laminate 4 drops to 35 ° C.
When the temperature reaches ℃, stop the evacuation and release the bag.

上記実施例により成形された成形品の試験結果を下表
に示す。
The test results of the molded articles molded according to the above examples are shown in the table below.

上記試験結果によれば、繊維のしわを発生させること
なく最大32層までの成形品を得ることができた。
According to the above test results, a molded article of up to 32 layers could be obtained without wrinkling of the fiber.

なお上記実施例で得た温度条件は、積層品に使用する
1つの材料特有のものであり、材料を変更した場合に
は、その材料に応じて、マンドレルの予熱温度、積層品
の保持温度、保持時間は変更されるものである。
Note that the temperature conditions obtained in the above examples are specific to one material used for the laminate, and when the material is changed, depending on the material, the preheating temperature of the mandrel, the holding temperature of the laminate, The retention time is subject to change.

〔発明の効果〕〔The invention's effect〕

以上述べたように、本発明の複合材の成形装置は、熱
風および冷風が均一に送り込まれる加熱炉と、成形型お
よび複合材積層品を載置し加熱炉内に送り込まれる搬送
装置と、加熱炉内に配置された成形型および複合材積層
品を包み込み密封空間を形成するバッグを有し成形型お
よび複合材積層品を囲む密封空間を真空にする真空装置
とを有するので、複合材積層品を短時間で均一に加温で
きかつ複合材積層品を冷却することなく成形できる。
As described above, the composite material forming apparatus of the present invention includes a heating furnace in which hot air and cold air are uniformly fed, a transfer device in which a mold and a composite material laminate are placed and fed into the heating furnace, and a heating device. A vacuum device for evacuating the sealed space surrounding the mold and the composite material laminate, having a bag that wraps the mold and the composite material laminate disposed in the furnace to form a sealed space; Can be uniformly heated in a short time and can be molded without cooling the composite laminate.

また本発明の複合材の成形方法は、熱風および冷風が
均一に送り込まれる加熱炉内に断面コ字状の成形型を配
置する工程と、この成形型を所定の温度で所定時間加温
する工程と、加温された成形型に多層の平板状積層体を
取付ける工程と、成形型および多層平板状積層体を密閉
空間内に置く工程と、密閉空間内に置いた多層平板状積
層体を所定の温度になるまで加温しかつこの温度を所定
時間保持する工程と、多層平板状積層体を密閉空間内を
真空状態とすることで加圧成形する工程と、多層平板状
積層体の加圧成形が完了した後所定時間成形品を冷却す
る工程とを有するので、多層平板状積層体が十分加温さ
れ樹脂が軟化し、成形時に層間ですべりが生じ、繊維の
しわが発生せず品質のよい複合材が成形できる。
The method for forming a composite material according to the present invention includes a step of disposing a mold having a U-shaped cross section in a heating furnace into which hot air and cool air are uniformly fed, and a step of heating the mold at a predetermined temperature for a predetermined time. Attaching a multilayer plate-like laminate to the heated mold, placing the mold and the multilayer plate-like laminate in an enclosed space, and placing the multilayer plate-like laminate in the enclosed space in a predetermined manner. Temperature, and maintaining the temperature for a predetermined time, a step of press-molding the multilayer plate-like laminate by evacuating the enclosed space to a vacuum, and a step of pressing the multilayer plate-like laminate. After the molding is completed, there is a step of cooling the molded article for a predetermined time, so that the multilayer plate-like laminate is sufficiently heated and the resin is softened, slippage occurs between layers at the time of molding, fiber wrinkling does not occur, and quality is reduced. Good composites can be molded.

【図面の簡単な説明】[Brief description of the drawings]

第1図は本発明による複合材の成形装置の扉を開いた状
態を示す斜視図、第2図は本発明による複合材の成形装
置の断面図、第3図は本発明による複合材の成形装置の
ケーシングを取り外した状態を示す平面図、第4図は使
用状態示す図、第5図ないし第7図は本発明による複合
材の成形方法の工程順を示す図、第8図は本発明による
実験例を示す図である。 3……成形型、4……積層品、5……定盤、6……バッ
グ、7……レール、9……シール装置、11……真空ライ
ン、12……支柱、14……熱源。
FIG. 1 is a perspective view showing a state in which a door of a composite material forming apparatus according to the present invention is opened, FIG. 2 is a cross-sectional view of the composite material forming apparatus according to the present invention, and FIG. FIG. 4 is a plan view showing a state in which a casing of the apparatus is removed, FIG. 4 is a view showing a use state, FIGS. 5 to 7 are views showing a process sequence of a method of forming a composite material according to the present invention, and FIG. It is a figure which shows the example of an experiment by. Reference numeral 3: Mold, 4: Laminated product, 5: Surface plate, 6: Bag, 7: Rail, 9: Sealing device, 11: Vacuum line, 12: Support, 14: Heat source.

───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 FI B29L 9:00 (58)調査した分野(Int.Cl.6,DB名) B29C 43/10 - 43/12 B29C 43/32 - 43/34 B29C 43/18 - 43/20 B29C 43/52 - 43/58 ──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. 6 identification code FI B29L 9:00 (58) Investigated field (Int.Cl. 6 , DB name) B29C 43/10-43/12 B29C 43/32 -43/34 B29C 43/18-43/20 B29C 43/52-43/58

Claims (2)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】熱風および冷風が均一に送り込まれる加熱
炉と、成形型および複合材積層品を載置し加熱炉内に送
り込まれる搬送装置と、加熱炉内に配置された成形型お
よび複合材積層品を包み込み密封空間を形成するバッグ
を有し成形型および複合材積層品を囲む密封空間を真空
にする真空装置とを有する複合材の成形装置。
1. A heating furnace in which hot air and cold air are uniformly fed, a conveying device in which a forming die and a composite material are placed and fed into the heating furnace, and a molding die and a composite material arranged in the heating furnace A molding apparatus for a composite material, comprising: a bag for enclosing the laminate to form a sealed space; and a vacuum device for vacuuming a sealed space surrounding the molding die and the composite material laminate.
【請求項2】熱風および冷風が均一に送り込まれる加熱
炉内に断面コ字状の成形型を配置する工程と、この成形
型を所定の温度で所定時間加温する工程と、加温された
成形型に多層の平板状積層体を取付ける工程と、成形型
および多層平板状積層体を密閉空間内に置く工程と、密
閉空間内に置いた多層平板状積層体を所定の温度になる
まで加温しかつこの温度を所定時間保持する工程と、多
層平板状積層体を密閉空間内を真空状態とすることで加
圧成形する工程と、多層平板状積層体の加圧成形が完了
した後所定時間成形品を冷却する工程とを有する複合材
の成形方法。
2. A step of disposing a mold having a U-shaped cross section in a heating furnace into which hot and cold air is uniformly fed, a step of heating the mold at a predetermined temperature for a predetermined time, and A step of attaching a multilayer plate-like laminate to the mold, a step of placing the mold and the multilayer plate-like laminate in an enclosed space, and applying the multilayer plate-like laminate placed in the enclosed space until a predetermined temperature is reached. Heating and holding this temperature for a predetermined time; pressing the multilayer plate-like laminate by applying a vacuum to the enclosed space; and performing a predetermined process after the completion of the pressure-forming of the multilayer plate-like laminate. Cooling the molded article for a time.
JP2023819A 1990-02-02 1990-02-02 Composite material forming method and forming apparatus Expired - Fee Related JP2871783B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2023819A JP2871783B2 (en) 1990-02-02 1990-02-02 Composite material forming method and forming apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2023819A JP2871783B2 (en) 1990-02-02 1990-02-02 Composite material forming method and forming apparatus

Publications (2)

Publication Number Publication Date
JPH03227607A JPH03227607A (en) 1991-10-08
JP2871783B2 true JP2871783B2 (en) 1999-03-17

Family

ID=12120964

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023819A Expired - Fee Related JP2871783B2 (en) 1990-02-02 1990-02-02 Composite material forming method and forming apparatus

Country Status (1)

Country Link
JP (1) JP2871783B2 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100396472C (en) * 2001-01-25 2008-06-25 快速科技有限公司 Composite and metal component production, forming and bonding system
JP6598477B2 (en) * 2015-03-11 2019-10-30 株式会社Subaru Composite material molding apparatus and composite material molding method

Also Published As

Publication number Publication date
JPH03227607A (en) 1991-10-08

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