WO2007109928A1 - Procede pour mettre en oeuvre un service multidiffusion dans un reseau optique a commutation automatique - Google Patents

Procede pour mettre en oeuvre un service multidiffusion dans un reseau optique a commutation automatique Download PDF

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Publication number
WO2007109928A1
WO2007109928A1 PCT/CN2006/000911 CN2006000911W WO2007109928A1 WO 2007109928 A1 WO2007109928 A1 WO 2007109928A1 CN 2006000911 W CN2006000911 W CN 2006000911W WO 2007109928 A1 WO2007109928 A1 WO 2007109928A1
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WO
WIPO (PCT)
Prior art keywords
carbon fiber
solid body
film
product
mold
Prior art date
Application number
PCT/CN2006/000911
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English (en)
Chinese (zh)
Inventor
Jinghui Wang
Original Assignee
Jinghui Wang
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 Jinghui Wang filed Critical Jinghui Wang
Publication of WO2007109928A1 publication Critical patent/WO2007109928A1/fr

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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
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
    • B29C70/86—Incorporated in coherent impregnated reinforcing layers, e.g. by winding
    • B29C70/865—Incorporated in coherent impregnated reinforcing layers, e.g. by winding completely encapsulated
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C2043/3205—Particular pressure exerting means for making definite articles
    • B29C2043/3222—Particular pressure exerting means for making definite articles pressurized gas, e.g. air
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/10—Isostatic pressing, i.e. using non-rigid pressure-exerting members against rigid parts or dies

Definitions

  • the present invention relates to a method for producing a carbon fiber product, and more particularly to a method for fabricating a shaped shell product using carbon fiber.
  • the carbon fiber material has the characteristics of light weight, high strength and good elasticity. Its ability to deform and rebound, energy absorption and release efficiency are better than natural wood fiber, tensile strength is more than several times the wire. Because carbon fiber has high tensile strength, large Young's modulus and excellent heat resistance, it is widely used in aerospace, aviation, chemical, electronic and sports equipment, leisure sports and other fields, from hook fish, tennis rackets, Badminton rackets, bicycles and other sports, entertainment products, various industrial machines, X-ray related medical equipment, civil engineering, aerospace and other fields have a wide range of applications. The biggest advantage of carbon fiber is its light weight and hard strength, so it can be used to make the fuselage of the aircraft and the body of the car.
  • the body of the Formula 1 car made with it is stronger than the body made of aluminum alloy and steel.
  • the prior art method for producing a carbon fiber product is usually a nylon long bag inflating as an inner mold, and the carbon fiber is coated on the outer surface of the gas-filled nylon long bag at the same time; It is required to cover a certain thickness, and the carbon fiber is usually strip-shaped, so that the strength can be increased by the criss-crossing of the carbon fiber strip during the coating process, and then the nylon long bag coated with the carbon fiber layer is placed.
  • the outer mold characterized by the shape of the product is then subjected to heat forming, and finally, the nylon long bag is taken out to form a carbon fiber product having a certain shell shape.
  • the nylon long bag can be easily formed into a simple tubular or arc-shaped casing product, and it is difficult to manufacture a polygonal tubular product and a profiled inner hollow casing product. For example, a relatively complicated process is usually used for the production of such a product, and the production cost is relatively high. High, and the product is not ideal, which affects the application of carbon fiber products. Summary of the invention
  • the object of the present invention is to overcome the deficiencies of the prior art, and to provide a method for fabricating a profiled shell product by using carbon fiber, which has the advantages of simple manufacture, low cost, convenient forming of the shaped shell product, and weight reduction.
  • the density is high, the same weight can be increased by 20% ⁇ 40%, and the characteristics of one-piece molding can meet the requirements of products of various shapes.
  • the technical solution adopted by the present invention to solve the technical problem thereof is: a manufacturing method for forming a shaped shell product by using carbon fiber, and a foaming material having heat shrinking characteristics is selected to be a solid body having substantially the same shape as the product.
  • the inner membrane is provided with at least one tuyère, and a gel-like material having a high temperature resistance characteristic and not bonded to the carbon fiber is sprayed on the outer surface of the inner film to form a film which is uniform on the outer surface of the film.
  • the carbon fiber layer is coated, placed in a mold, and heated to form a carbon fiber shaped product.
  • a manufacturing method for forming a shaped shell product by using carbon fiber comprises the following steps: a. using a foaming material having heat shrinking characteristics to form a solid body having substantially the same shape as the product, the overall size of which is slightly smaller than the product;
  • the inner mold which has been uniformly coated with the carbon fiber layer is placed in a mold and the mold is heated, and the solid body made of the foamed material characterized by heat shrinkage is heated and then reduced;
  • A6 Connect the gas source to the outer mouth of the tuyere, and blow air inward through the tuyere to make the air flow between the film and the solid body, and inflate the film along the shape of the solid body, and expand the glue.
  • the film abuts the carbon fiber layer against the inner wall of the mold to heat form the carbon fiber layer;
  • A7 Open the mold, take out the whole formed body, and then take out the compacted or broken solid body and film from the whole body.
  • the shell is the finished carbon fiber.
  • the aforementioned foaming material having heat shrinkage characteristics is a boryeong material or a sponge material.
  • the aforementioned gel-like material having high temperature resistance characteristics and not bonded to carbon fibers is silica gel.
  • the foregoing method for facilitating the formation of a shaped product by carbon fiber further comprises the step a61 between the step a6 and the step a7.
  • the nozzle is connected to the inlet of the nozzle and the water is infused through the nozzle. , allowing water to flow between the film layer and the solid body.
  • a manufacturing method for forming a shaped shell product by using carbon fiber comprising the following steps: bl. forming a solid body slightly smaller than a product shape by using a foaming material having heat shrinking characteristics; b2. at least one wind nozzle and the above Solid body fixed connection; B3. taking the solid body as an inner mold, spraying a gel-like material having a high temperature resistance characteristic and not bonding with the carbon fiber on the outer surface of the inner mold, and forming a rubber film layer coated on the solid body; The film is coated on the inner mouth of the tuyIER;
  • the carbon fiber sheet is uniformly wrapped on the outer surface of the film to form a carbon fiber layer having a certain thickness
  • the hot gas source is connected to the outer mouth of the tuyere, and the hot air is blown inward through the tuyere.
  • the solid body made of the foaming material characterized by heat shrinkage is heated and then shrunk, so that the hot air flows in the film and the solid.
  • the film is inflated between the bodies and along the shape of the solid body, and the expanded film abuts the carbon fiber layer against the inner wall of the mold and shapes the carbon fiber layer by heat transfer;
  • the aforementioned foaming material having heat shrinkage characteristics is a boryeong material or a sponge material.
  • the aforementioned gel-like material having high temperature resistance characteristics and not bonded to carbon fibers is silica gel.
  • the foregoing method for facilitating the formation of a shaped product by carbon fiber further includes a step b between step b 6 and step b 7. using a tuyere as a water nozzle, connecting the water source to the inlet of the water nozzle, through the water nozzle Water is poured inwardly to allow water to flow between the film layer and the solid body.
  • the manufacturing method for forming a profiled shell product by using carbon fiber of the invention adopts a foamed material having heat shrinkage characteristics to make a solid body slightly smaller than the product as an inner mold, and fully utilizes foaming having heat shrinkage characteristics.
  • the material is low in production cost and shrinks after being heated, and is first made into a solid body for forming a support when the carbon fiber sheet is coated, and can be reduced after being heated to allow air to act on the film.
  • the foamed material having heat shrinkage characteristics may be a blister, a sponge, or other foaming material that can achieve heat shrinkage.
  • the invention relates to a method for fabricating a shaped shell product by using carbon fiber, which uses a gel-like material having a high temperature resistant characteristic and not bonded to carbon fibers, such as silica gel, on the outer surface of the inner mold.
  • the glue contains silicone oil and thus does not adhere to the carbon fibers.
  • This method makes full use of the film's easy expansion, high temperature resistance and non-adhesion with carbon fiber, and the carbon fiber layer is formed by pressing the carbon fiber layer against the inner wall of the mold, and at the same time The film can be taken out of the casing formed by the carbon fiber layer.
  • the method for manufacturing the profiled shell product for facilitating the use of carbon fiber is characterized in that the wind force is usually from small to large when the air is blown, and the wind pressure is 2 Kg to 10 Kg.
  • the wind pressure is 2 Kg to 10 Kg.
  • different products can select different wind pressures. For example, when the product is large, the selected wind pressure will be larger.
  • hot air When blowing hot air for forming, and when the volume of the formed product is large, hot air can be blown as follows: first, when hot air is poured to fullness for about 1 minute, the gas is turned off; then hot air is poured into about 3 Minutes, shut off the gas; and so on, a total of 5 to 6 times of hot air, the time is about 25 minutes, this kind of hot air is shorter than the previous time is longer to facilitate the formation of the product.
  • the invention has the beneficial effects that the foamed material having the heat shrinking feature is made into a solid body which is slightly smaller than the product as the inner mold, and the wind nozzle is formed on the solid body, and the solid body is used as the inner mold.
  • the outer surface is sprayed with a gel-like material which is resistant to temperature and does not adhere to the carbon fiber, forms a film, uniformly coats the carbon fiber cloth on the outside of the film, and is formed into a mold.
  • the method for manufacturing a carbon fiber shaped shaped shell product has the advantages of simple manufacture, low cost, convenient shape forming, and weight and density reduction, and the same weight can be increased by 20% to 40%, and is convenient.
  • the one-piece molding features meet the requirements of products in a variety of shapes.
  • Figure 1 is a schematic view showing the construction of a profiled product product by the present invention
  • Figure 2 is a schematic view showing the construction of a profiled product made by the present invention.
  • a manufacturing method for forming a shaped shell product by using carbon fiber of the present invention comprises the following steps: Step al. Made of Baolilong material and basic shape of the product The same solid body 1, the overall size is slightly smaller than the product;
  • Step a2 Forming the two tuyeres 11 together with the Baolilong material on the solid body 1; Step a3. Applying the solid body 1 as an inner mold, spraying the high temperature resistant silica gel on the outer surface of the inner mold, and forming a package a silicone film layer 2 covering the solid body; the silicone film 2 is wrapped around the inner mouth of the tuyées 11;
  • Step a4 uniformly coating the carbon fiber sheet on the outer surface of the silica gel film 2 to form a certain thickness Carbon fiber layer 3;
  • Step a5 The inner mold uniformly coated with the carbon fiber layer 3 is placed in a mold and the mold is heated, and the solid body 1 made of the Baolilong material is reduced by heat;
  • Step a6 Connect the gas source to the outer mouth of the tuyées 11, and blow air inward through the tuyere 11, so that the air flows between the silica gel membrane 2 and the solid body 1, and the silicone membrane is formed along the shape of the solid body 1.
  • the inflated, expanded silicone film 2 abuts the carbon fiber layer 3 against the inner wall of the mold to heat-form the carbon fiber layer 3;
  • Step a7 Open the mold, take out the integral formed body, cut off the excess portion, and then form the whole
  • the solid body and the film which have been shrunk or broken are taken out from the body, and the casing 31 is the finished carbon fiber of FIG.
  • the manufacturing method for forming a profiled shell product by using carbon fiber of the invention adopts the solid body 1 which is slightly smaller than the product of the Baolilong material as the inner mold, and fully utilizes the low cost and heat of the material of the Baolilong material. After being reduced, the solid body 1 is first formed to form a support when the carbon fiber sheet is coated, and can be reduced after being heated to allow the air pressure to act on the silicone film 2.
  • the manufacturing method for forming a shaped shell product using carbon fiber of the present invention employs a layer of high temperature resistant silica gel coated on the outer surface of the inner mold, which gel contains silicone oil and thus does not adhere to the carbon fiber.
  • the silicone fiber membrane is fully utilized for the expansion property, the temperature resistance and the adhesion to the carbon fiber, and the carbon fiber layer 3 is formed by pressing the carbon fiber layer 3 against the inner wall of the mold to form the carbon fiber layer 3.
  • the silicone film 2 can be taken out from the casing 31 formed of the carbon fiber layer 3. Because the silicone film 2 is easily swelled, the silicone film 2 expands outward after being blown into the air, and can fill various corners or sharp corners in the mold to form a profiled shape.
  • the wind When blowing in air, the wind is usually from small to large, and the wind pressure is 2Kg ⁇ 10 Kg.
  • the wind pressure is 2Kg ⁇ 10 Kg.
  • different products can choose different wind pressures. For example, when the product volume is large, the selected wind pressure will be larger.
  • Embodiment 2 A method for fabricating a shaped shell product using carbon fiber according to the present invention comprises the following steps:
  • Step al. The sponge body is made into a solid body having substantially the same shape as the product, and the overall size is slightly smaller than the product;
  • Step a2 Forming the tuyées together with the sponge material on the solid body
  • Step a3. taking the solid body as an inner mold, spraying high temperature resistant silica gel on the outer surface of the inner mold, and forming a silicone film layer coated on the solid body; the silicone film is coated on the inner mouth of the tuyere;
  • Step a4 uniformly coating the carbon fiber sheet on the outer surface of the silica gel film to form a carbon fiber layer having a certain thickness; Step a5. placing the inner mold which has been uniformly coated with the carbon fiber layer into the mold and heating the mold, and the solid body made of the sponge material is heated and then reduced;
  • Step a6 Connect the gas source to the outer mouth of the tuyère, blow air inward through the tuyere, and let the air flow between the silicone membrane and the solid body, and inflate the silicone membrane along the shape of the solid body, and expand.
  • the carbon fiber layer is formed by pressing the carbon fiber layer against the inner wall of the mold to heat the carbon fiber layer;
  • Step a7 Open the mold, take out the whole formed body, and then take out the solid body and the film which are shredded or broken from the whole body, and the shell is the finished carbon fiber.
  • Embodiment 3 Referring to FIG. 1 and FIG. 2, a manufacturing method for forming a shaped shell product using carbon fiber of the present invention is different from Embodiment 1 in that between step a6 and step a7. It also includes a step a61.
  • the tuyere 11 is a water nozzle, the water source is connected to the inlet of the water nozzle 11, and the water nozzle 11 is filled with water to make the water flow between the rubber film layer and the solid body. This method can quickly cool down and improve production efficiency.
  • a manufacturing method for forming a shaped shell product using carbon fiber of the present invention comprises the following steps - step bl.
  • ⁇ Made of Baolilong material is slightly smaller than the product Shaped solid body 1;
  • Step b2. and install the two tuyeres 11 on the solid body 1 of the Baolilong material;
  • Step b3 The solid body 1 is an inner mold, and the outer surface of the inner mold is sprayed with a high temperature resistant silica gel, and a rubber film layer 2 coated on the solid body is formed; the silicone film 2 is covered in the tuyere mouth;
  • Step b4 The carbon fiber sheet is evenly wrapped on the outer surface of the silica gel membrane 2 to form a carbon fiber layer 3 having a certain thickness;
  • Step b5. placing an inner mold uniformly coated with the carbon fiber layer 3 into the mold;
  • Step b6 The hot gas source is connected to the outer mouth of the tuyere 11, and the hot air is blown inward through the tuyere 11.
  • the solid body 1 made of the Baolilong material is heated and then reduced, so that the hot air flows in the silicone membrane 2 and the solid Between the bodies 1, and inflating the silicone film 2 along the shape of the solid body 1, the expanded silica film 2 abuts the carbon fiber layer 3 against the inner wall of the mold and shapes the carbon fiber layer 3 by heat transfer;
  • Step b7 Open the mold, take out the whole formed body, remove the tuyere 11, and take out the solid body and the film which have been shrunk or broken from the whole body, and the shell 31 is finished as carbon fiber.
  • hot air can be blown as follows: first, when hot air is poured to fullness for about 1 minute, the gas is turned off; then hot air is poured for about 3 minutes to turn off the gas; and so on, Total hot air The gas is 5 ⁇ 6 times, and the time is about 25 minutes. This kind of hot air is short in the front time and the longer time is beneficial to the formation of the product.
  • toluene can be added before taking out the solid body and the film of the Baoli Dragon.
  • the toluene is beneficial to the melting of the Baolilong, and is more advantageous for extracting the residual Baolong film.
  • the invention relates to a method for manufacturing a shaped shell product by using carbon fiber, and adopts a heat-shrinkable solid inner film, which can conveniently produce various carbon fiber shaped shaped shell products, and has good industrial applicability.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Composite Materials (AREA)
  • Mechanical Engineering (AREA)
  • Inorganic Fibers (AREA)
  • Moulding By Coating Moulds (AREA)
  • Revetment (AREA)

Abstract

L'invention concerne un procédé pour mettre en oeuvre un service multidiffusion dans un réseau optique à commutation automatique qui distribue GroupID pour un service multidiffusion. Le procédé consiste en ce qui suit: le noeud dans ASON établit un service unidirectionnel pour le service multidiffusion, détermine si le LSP de GroupID de la muldiffusion actuelle est inclus dans les informations d'identificateur existant dans le noeud; en cas de réponse négative, le noeud établit un service unidirectionnel selon la procédure normale, et les informations d'identificateur de groupe de LSP du service unidirectionnel établi comprennent le GroupID du service multidiffusion, le processus étant alors terminé. Dans tous les autres cas, le noeud juge si le LSP existant est le même que le lien de sortie du service unidirectionnel, et si tel est le cas, après l'établissement du service unidirectionnel établit le LSP, les créneaux temporels source, et l'interconnexion du LSP existant est utilisée directement; si tel n'est pas le cas, après l'établissement du LSP par le service unidirectionnel le créneau temporel source du LSP existant est utilisé directement, et le créneau temporel est distribué; l'interconnexion doit alors être établie. La présente invention met en oeuvre le partage du créneau temporel du service multidiffusion et améliore le facteur d'utilisation de ressources ainsi que l'efficacité de fonctionnement du réseau.
PCT/CN2006/000911 2006-03-24 2006-05-08 Procede pour mettre en oeuvre un service multidiffusion dans un reseau optique a commutation automatique WO2007109928A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200610043390.6 2006-03-24
CNB2006100433906A CN100540273C (zh) 2006-03-24 2006-03-24 一种便于用碳素纤维成形异型壳体产品的制作方法

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WO2007109928A1 true WO2007109928A1 (fr) 2007-10-04

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WO (1) WO2007109928A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109664521A (zh) * 2018-03-08 2019-04-23 中山市富达运动器材有限公司 一种碳纤维复合材料复杂件的成型工艺

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102837421A (zh) * 2011-06-22 2012-12-26 费金华 复合材料结构件制程及其结构
CN102555237B (zh) * 2012-01-04 2015-05-20 杜少川 制备碳纤维壳体的方法
CN103568333A (zh) * 2013-08-24 2014-02-12 厦门欧势复材科技有限公司 一种碳纤维复合材料异型产品成型工艺

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US6458306B1 (en) * 1997-04-23 2002-10-01 Radius Engineering, Inc. Method for manufacturing composite bicycle frame

Patent Citations (1)

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Publication number Priority date Publication date Assignee Title
US6458306B1 (en) * 1997-04-23 2002-10-01 Radius Engineering, Inc. Method for manufacturing composite bicycle frame

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109664521A (zh) * 2018-03-08 2019-04-23 中山市富达运动器材有限公司 一种碳纤维复合材料复杂件的成型工艺

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CN101041265A (zh) 2007-09-26
CN100540273C (zh) 2009-09-16

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