WO2011046137A1 - ビーム材の製造方法および製造装置 - Google Patents
ビーム材の製造方法および製造装置 Download PDFInfo
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- WO2011046137A1 WO2011046137A1 PCT/JP2010/067942 JP2010067942W WO2011046137A1 WO 2011046137 A1 WO2011046137 A1 WO 2011046137A1 JP 2010067942 W JP2010067942 W JP 2010067942W WO 2011046137 A1 WO2011046137 A1 WO 2011046137A1
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- WIPO (PCT)
- Prior art keywords
- filler
- reinforcing fiber
- shaped
- mold
- preshaped
- Prior art date
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Classifications
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- 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
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D99/00—Subject matter not provided for in other groups of this subclass
- B29D99/0003—Producing profiled members, e.g. beams
- B29D99/0005—Producing noodles, i.e. composite gap fillers, characterised by their construction
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D99/00—Subject matter not provided for in other groups of this subclass
- B29D99/0003—Producing profiled members, e.g. beams
- B29D99/0007—Producing profiled members, e.g. beams having a variable cross-section
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B11/00—Making preforms
- B29B11/14—Making preforms characterised by structure or composition
- B29B11/16—Making preforms characterised by structure or composition comprising fillers or reinforcement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/001—Profiled members, e.g. beams, sections
- B29L2031/008—Profiled members, e.g. beams, sections having a longitudinal cross-section
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
- Y10T156/1051—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina by folding
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/2419—Fold at edge
- Y10T428/24264—Particular fold structure [e.g., beveled, etc.]
Definitions
- the present invention relates to a method and apparatus for manufacturing a beam material made of a reinforcing fiber substrate. More specifically, the present invention relates to a method and an apparatus for efficiently producing a filler molded body made of a fiber structure that is filled as a reinforcing material in a wedge-shaped gap in a cross section perpendicular to the longitudinal direction of a beam material.
- Carbon fiber reinforced plastic (CFRP) and glass fiber reinforced plastic (GFRP) using carbon fiber, glass fiber, and aramid fiber as reinforcing fibers are lightweight and highly durable. It is an ideal material as various constituent members constituting ships, building members and the like.
- FRP reinforced fiber plastics
- a laminate of prepreg sheets made of reinforced fibers and a tough epoxy resin is pressed and / or heated with an autoclave (pressure cooker).
- an autoclave molding method for curing There is an autoclave molding method for curing.
- a laminate of a plurality of dry reinforcing fiber sheets that are not impregnated with a matrix resin (sometimes called a preform) is placed in a mold, and a low-viscosity liquid matrix resin is placed in the mold.
- a resin transfer molding (hereinafter abbreviated as RTM) molding method and a vacuum RTM molding method in which a composite material is molded by impregnating a reinforcing fiber with a matrix resin by injection are well known.
- a beam material having a T-shaped cross section is manufactured by an RTM molding method or a vacuum RTM molding method, as shown in FIG. 1, two L-shaped reinforcing fiber substrates 10a, 10b, and 1 Two plate-like reinforcing fiber bases 10c are joined together to form a preform 11 of a T-shaped beam material.
- a wedge-shaped gap 12 is formed at a branching portion (a portion corresponding to a bent portion of the L-shaped reinforcing fiber base) in a combined body of two L-shaped members and a flat plate-shaped member.
- a resin is injected into the preform of the T-shaped beam material while leaving the wedge-shaped voids as they are, a molded product in which the voids are resin-rich is obtained.
- the resin-rich void may cause insufficient rigidity, insufficient bonding strength, and the like, which may be the starting point of fracture.
- the fiber at the branching portion is disturbed by the pressure of resin injection at the time of molding, or the difference in the porosity of the preform is locally generated, so voids that are internal defects of the molded product are generated in the resin-rich void. It is also possible.
- This method has no problem as long as the thickness is uniform, the cross-sectional shape is constant, and the wedge-shaped gap is applied to the beam material having a constant longitudinal direction.
- a beam material whose thickness changes in the longitudinal direction (thickness decreases toward the tip) may be required.
- a problem arises because the cross section of the gap changes continuously or stepwise according to the change in the thickness of the beam material. This is because it is difficult to change the cross-sectional area of the filler molded body filling the wedge-shaped gap along the longitudinal direction.
- Patent Document 2 an invention relating to a manufacturing method and a manufacturing apparatus for manufacturing a rod-shaped preshaped object (filler molded body) applicable to voids having various cross sections and shapes has been proposed (Patent Document 2).
- An object of the present invention is to provide a wedge shape formed at a branching portion of a reinforcing fiber base material in a cross section perpendicular to the longitudinal direction of the beam material in manufacturing a beam material made of a reinforcing fiber base material in view of the above points.
- the present invention employs any of the following.
- a reinforcing fiber base material having a web portion and at least one set of flange portions extending from the web portion to both sides through at least one branch portion, and formed in the branch portion
- a beam material manufacturing method formed from a filler molded body filled in a wedge-shaped void, wherein the filler molded body is made from at least the following manufacturing steps (A) to (C): A method of manufacturing the material.
- A Filler supply step of supplying a filler material composed of reinforcing fibers
- B Pressurizing the filler material with a pre-shaped mold to form a pre-shaped filler having at least one wedge-shaped protrusion
- C The filler preshaped object is loaded into the gap, and the filler preshaped object is pressed by pressing the filler preshaped object so that the tip of the wedge-shaped protrusion is directed to the wedge-shaped tip of the gap.
- Filler deformation step (2) of deforming the shape to form a filler molded body
- the thickness of the reinforcing fiber base material changes in the longitudinal direction of the beam material, and the reinforcing fiber base in the branch portion changes with the thickness change.
- a reinforcing fiber sheet in which the amount of reinforcing fibers changes in the longitudinal direction as the filler material is supplied
- a pre-shaped mold comprising at least two molds facing each other is used, and the gap between the molds is changed by changing the relative position between the molds as the filler material passes between the molds.
- the reinforcing fiber base material and the filler preshaped object are intermittently conveyed while synchronizing both in the longitudinal direction, and the step (C) immediately after the filler preshaped object passes through the preshaped object.
- a mold (x) having a concave portion composed of a linear portion and a wedge-shaped portion, and a mold (y) having a convex portion that can be fitted into the linear portion of the mold (x) By using a pre-shaped mold having a mechanism for changing the relative position of the mold (y) with respect to the mold (x), the filler material is passed through the gap between the mold (x) and the mold (y).
- a conveying device that intermittently conveys at least two flat reinforcing fiber bases and the flat reinforcing fiber base to be conveyed are partially heated and pressed by a mold, and a bonded web portion is A web part forming device to be formed; and a portion of the flat reinforcing fiber base that is not bonded to each other is opened to the left and right to form a flange part, and the two reinforcing fiber groups
- an integrated device that heats the filler molded body in an overlapping manner and pressurizes and integrates, and the filler molding device further includes the following means (
- examples of the “filler material” include those composed of a flat reinforcing fiber sheet in which reinforcing fibers are aligned in at least one direction and those composed of linear reinforcing fiber strands.
- a reinforced fiber sheet it may be composed of a dry reinforced fiber fabric in which the adhesive resin described later is partially bonded to the reinforced fiber and the form is stabilized, or the entire reinforced fiber is impregnated with a matrix resin. You may comprise the stabilized prepreg.
- a unidirectional woven fabric, a bidirectional woven fabric, a braided fabric, a non-woven fabric, and the like are preferably used.
- assembly, braided string, etc. are mentioned.
- the reinforcing fiber carbon fiber, glass fiber, aramid fiber, or the like can be used.
- the “reinforcing fiber substrate” is the above-described “reinforcing fiber sheet” itself or a laminate of a plurality of them.
- the fiber direction of the reinforcing fiber sheet may be laminated by changing the direction from 0 °, + 45 °, ⁇ 45 °, 90 ° in order from the lower layer in order to give, for example, pseudoisotropy, You may laminate
- the “filler material” and the “reinforcing fiber substrate” need not be the same material.
- a dry reinforcing fiber sheet is used for the “filler material”
- a prepreg is used for the “reinforcing fiber substrate”
- a reinforcing fiber strand is used for the “filler material”
- a reinforcing fiber sheet is used for the “reinforcing fiber substrate”. You may do it. Of course, the reverse is also possible.
- a reinforcing fiber substrate having a web portion and at least one set of flange portions extending on both sides from the web portion via at least one branch portion is a combination of at least a plurality of reinforcing fiber substrates having bent portions. It is the combination body which comprises the web part and the flange part.
- three reinforcing fiber bases 10a to 10c may be combined to form a web portion and a flange portion, or the reinforcing fiber base on the flat plate in FIG.
- the material 10c may be omitted, and the web portion and the flange portion may be formed only with a plurality of reinforcing fiber bases having bent portions.
- the “flange portion” is a horizontal plate element provided on the upper edge (or lower edge) of a beam member having a T-shaped cross section, for example, and the “web portion” is a vertical plate connected to the flange portion. It is a plate element.
- Wild shape means a shape in which one end is wide and narrows toward the other end. However, the degree of narrowing toward the other end is preferably equal, but may not be equal.
- the “adhesive resin” is in the form of particles, fibers, or films, and is partially attached to the reinforcing fibers.
- the “adhesive resin” preferably has a glass transition temperature in the range of 50 to 100 ° C. in consideration of adhesion of the resin to the reinforcing fibers and handling in a normal temperature environment.
- the component of the adhesive resin those that improve the handleability of the reinforcing fiber base are preferable, and more preferably, the mechanical properties of the reinforcing fiber plastic obtained using the reinforcing fiber base are improved.
- the adhesive resin various thermosetting resins and / or thermoplastic resins can be used. Examples of the thermosetting resin include an epoxy resin, a phenol resin, and an unsaturated polyester resin.
- thermoplastic resin examples include a polyethersulfan resin, a polyolefin resin, a polystyrene resin, a polyamide resin, a polyurethane resin, and a polyphenylene sulfone.
- thermoplastic resin examples include a polyethersulfan resin, a polyolefin resin, a polystyrene resin, a polyamide resin, a polyurethane resin, and a polyphenylene sulfone.
- examples thereof include a fide resin and a polyether ether ketone resin.
- the “matrix resin” is a resin impregnated over the entire reinforcing fiber, and stabilizes the form of the reinforcing fiber in a sheet form.
- various thermosetting resins and / or thermoplastic resins can be used in the same manner as the adhesive resin.
- the thermosetting resin include an epoxy resin, a phenol resin, and an unsaturated polyester resin.
- the thermoplastic resin include a polyethersulfan resin, a polyolefin resin, a polystyrene resin, a polyamide resin, a polyurethane resin, and a polyphenylene sulfone. Examples thereof include a fide resin and a polyether ether ketone resin.
- a wedge-shaped void for example, in a cross section orthogonal to the longitudinal direction of the reinforcing fiber base (for example, Even when the cross-sectional shape of the void portion formed in the portion where the reinforcing fiber base material to be branched changes in the longitudinal direction of the reinforcing fiber base material, the filler molded body filling the void is continuously and efficiently It can be manufactured and a high-quality beam material can be obtained.
- FIG. 1 It is a schematic sectional drawing which shows the branch part of the beam material obtained by this invention. It is a schematic perspective view which shows an example of the manufacturing apparatus of the beam material used for this invention. It is a schematic inclination figure which shows an example of the manufacturing process of the filler molded object in this invention. It is (a) schematic sectional drawing and (b) schematic perspective view which show an example of the preshaped mold which can be used for this invention. (A) It is schematic sectional drawing which shows an example of the beam material in case the thickness of a reinforced fiber base material changes from a thick thing to a thin thing, and (b) an example of the pre-shaped form with which the filler material is loaded. is there. FIG.
- FIG. 3 is a schematic diagram showing cutting pattern examples (a) to (e) of a filler material used in the present invention. It is a schematic sectional drawing which respectively shows (a) shaping by a pre-shaped shaping
- FIG. 6 is a schematic cross-sectional view showing shape pattern examples (a) to (c) of a concave portion of a preshaped lower mold. It is (a) schematic sectional drawing and (b) schematic perspective view which show the preshaped shaping
- FIG. 2 is a schematic perspective view showing an example of the beam material manufacturing apparatus of the present invention. More specifically, it is an apparatus for manufacturing a beam material having a T-shaped cross section shown in FIG.
- the apparatus mainly includes a material supply device (material supply devices 80a, 80b, etc.), a material transfer device (traction device 81, etc.), a web portion forming device 82, a flange portion forming device 83, a filler forming device 84, and an integrated device. 85. Details of these devices will be described below.
- the material supply device is a device for placing various materials such as a reinforcing fiber base material and a filler material in an appropriate place of the beam material manufacturing apparatus.
- the material supply device 80a including the table on which the flat reinforcing fiber base material 10c in FIG. 1 is placed, the material supply device 80b including the table on which the filler material 20 is placed, and the like correspond to this. 2 does not show the material supply device for the reinforcing fiber bases 10a and 10b in FIG. 1, the device in FIG. 2 also includes this.
- the material transport device is a means for transporting various materials downstream in the beam material manufacturing apparatus.
- a traction device 81 that intermittently conveys the reinforcing fiber bases 21a and 21b corresponding to the reinforcing fiber bases 10a and 10b in FIG. 1 to the integrated device 85 at regular intervals corresponds to this.
- the traction device 81 includes a plurality of chucks and an actuator that drives the chucks, and can grip two flat reinforcing fiber substrates 21a and 21b.
- there is also a material conveying apparatus that conveys the reinforcing fiber base material 10c and the filler material 20 to the downstream side in synchronization with the intermittent feeding of the reinforcing fiber base materials 21a and 21b. Is provided.
- the web part forming device 82 is composed of left and right molds having a heating mechanism, and partially heats and pressurizes the two reinforcing fiber bases 21a and 21b when the traction operation is stopped. In this way, the web portion of the beam material is shaped, and the adhesive resin disposed between the layers of the reinforcing fiber base is softened or melted to bond the layers and fix the shape.
- the flange portion forming device 83 is provided on the downstream side of the web portion forming device 82, and includes a guide plate provided between the two reinforcing fiber base materials 21a and 21b.
- the guide plate has a streamline shape, and the portions of the reinforcing fiber bases 21a and 21b that are not bonded are gradually opened to the left and right. Thereby, the shape of the reinforcing fiber bases 21a and 21b is deformed from a flat plate shape to an L shape having a flange portion, and at the same time, a wedge-shaped recess recessed from the flange portion at the branching portion of the reinforcing fiber base materials 21a and 21b. A void is formed.
- the flange portion forming device 83 is shown as a guide plate.
- a roller drape mechanism that gradually opens into an L shape while handling the reinforcing fiber base with a roller or the like may be used.
- the filler molding apparatus 84 includes a preshaped lower mold 23 a having a concave portion and a preshaped upper mold 23 b having a convex portion that can be fitted into the mold. Further, the filler preshaped body 24 formed by these molds is pressed in a direction toward the tip of the wedge-shaped gap formed by opening the left and right portions of the reinforcing fiber bases 21a and 21b, A press machine 26 for forming the filler molded body 27 is also provided. Such a filler molding apparatus 84 intermittently continuously molds a filler molded body 27 having a desired cross-sectional shape together with a combination of reinforcing fiber bases.
- the integrated device 85 is provided on the downstream side of the flange portion forming device 83 and the filler forming device 84, and has at least a heating mechanism, preferably a heating mechanism and a cooling mechanism, and an upper mold and a lower mold that can be divided into left and right. It consists of and.
- the integrating device 85 integrates the two reinforcing fiber base materials 21a and 21b and the filler molded body 27, which are opened in an L shape by the flange portion forming device 83, by overlapping the flat reinforcing fiber base material 10c. Heat and pressurize.
- the integrated device 85 includes a beam material formed in an interlocking manner with the intermittent feeding of the traction device 81 of the reinforcing fiber substrates 21a and 21b and the intermittent feeding of the conveying device of the reinforcing fiber substrate 10c and the filler material 20.
- a traction mechanism 86 is provided so as to sequentially feed the.
- the beam material is manufactured as follows, for example. First, various materials such as a reinforcing fiber base material and a filler material are placed on a predetermined place of a beam material manufacturing apparatus by a material supply apparatus (material supply apparatuses 80a, 80b, etc.). Thereafter, these various materials are intermittently conveyed to the integrated device 85 by a material conveying device (traction device 81 or the like). On the way to the integration device 85, the reinforcing fiber base materials 21a and 21b are partially heated and pressurized by the web portion forming device 82 to form a web portion.
- a material supply apparatus material supply apparatuses 80a, 80b, etc.
- the flange portion forming device 83 opens left and right portions of the reinforcing fiber base materials 21a and 21b to form the flange portion. At this time, wedge-shaped voids that are recessed from the flange portion are also formed at the branch portions of the reinforcing fiber bases 21a and 21b.
- the filler material is pressurized by the pre-shaped mold 23 constituting the filler molding device 84 and is at least one wedge-shaped projection having a wedge-shaped projection while being conveyed from the material conveying device to the integration device 85. It is a shaped body.
- the filler preshaped object is loaded into a gap formed in the branch portion of the reinforcing fiber bases 21a and 21b, and is pressed by the press machine 26 so that the tip of the wedge-shaped protrusion is directed to the wedge-shaped tip of the gap. Pressed to become a filler molded body.
- the L-shaped reinforcing fiber base materials 21a and 21b and the filler molded body 27 thus transported / manufactured are stacked with a flat reinforcing fiber base material 10c as necessary, and heated and integrated by an integrated device 85. Press to be integrated.
- a flat reinforcing fiber base material is used.
- reference numeral 20 denotes a filler material composed of a dry reinforcing fiber sheet in which an adhesive resin material is sprayed on reinforcing fibers and partially adhered to stabilize the form.
- 21a and 21b are L-shaped reinforcing fiber substrates made by bending a flat reinforcing fiber substrate in which reinforcing fiber sheets similar to the reinforcing fiber sheet of the filler material are laminated.
- the reinforcing fiber bases 21a and 21b are partially heated and pressurized with each other, pasted, held by the mold 25, and intermittently conveyed downstream.
- the filler material 20 is preliminarily shaped at the same timing as the movement of the two L-shaped reinforcing fiber bases 21a and 21b held by the mold 25 (preliminarily shaped lower mold 23a, preshaped) It is folded while being conveyed to the mold 23b).
- the folded filler material 20 is heated and pressurized by passing between the pre-shaped lower mold 23a and the pre-shaped upper mold 23b heated by the heating body, and pre-shaped into the filler pre-shaped body 24. Shaped.
- the filler preshaped object 24 is directly pressed by the press machine 26 into the wedge-shaped gap formed in the branch portion of the two L-shaped reinforcing fiber base materials 21a and 21b held by the mold 25.
- the shape is deformed, and the filler molded body 27 having a shape suitable for the gap is obtained.
- the filler preshaped object 24 is preshaped by the preshaped mold 23 so as to have a wedge-shaped protrusion, it is formed at the branch portion of the two L-shaped reinforcing fiber bases 21a and 21b. It can be filled with an appropriate density without an unfilled portion to the depth of the wedge-shaped gap.
- the filler material 20 may be simply pressurized. Therefore, the filler material 20 may be heated upstream from the preshaped mold 23 and then pressurized by the preshaped mold 23 without a heating mechanism to form the filler preshaped body 24. Further, the filler material 20 is preshaped by a preshaped mold 23 having no heating mechanism so as to have a wedge-shaped protrusion, and then heated, and the obtained filler preshaped body 24 is obtained by two L-shaped reinforcing fiber groups. You may press toward the wedge-shaped space
- the filler material 20 is heated and pressurized with the preshaped mold 23 as in the above-described embodiment, the filler material 20 is easily deformed, and the filler preshaped body 24 can be easily deformed into the filler molded body 27. Therefore, it is preferable.
- the beam material manufacturing apparatus can be miniaturized.
- the filler pre-shaped body 24 When the filler material 20 is heated and pressurized with the pre-shaped mold 23, the filler pre-shaped body 24 is softened by the heat treatment immediately after being pulled out from the pre-shaped mold 23, but is placed in a room temperature atmosphere. When it is removed, it is gradually cooled and hardened, and deformation to the filler molded body 27 becomes difficult. Therefore, the pressing by the press machine 26 is performed immediately after passing between the pre-shaped molds, that is, immediately after the filler pre-shaped body passes between the pre-shaped lower mold 23a and the pre-shaped upper mold 23b. Are preferred.
- the pre-shaped mold includes a mold (x) having a concave portion composed of a straight portion and a wedge-shaped portion, and a die (y) having a convex portion that can be fitted into the straight portion of the mold (x). It is preferable to use it. Furthermore, what is equipped with the mechanism in which the relative position of these two type
- FIG. 4A is a schematic sectional view
- FIG. 4B is a schematic perspective view.
- the pre-shaped lower mold 23a shown in FIG. 4 is provided with a concave portion including a straight portion 30 provided in the depth direction and a wedge-shaped curved portion 31 connecting the straight portions.
- the length of the straight portion 30 is set to be large so as to be included in the recess even when the filler material 20 having the maximum fiber amount is introduced.
- the curved part 31 consists of a circular arc corresponding to the curvature radius of the bending part formed in the branch part in the combination body which consists of two L-shaped reinforcement fiber base materials 21a and 21b.
- the pre-shaped upper mold 23b is provided with a convex part that can be fitted into the straight part 30 of the lower mold.
- the filler material is accommodated in such a region (cross section 32) surrounded by the pre-shaped lower mold 23a and the pre-shaped upper mold 23b, and heated and pressurized so that the filler material has a wedge-shaped protrusion. Pre-shaped to have.
- FIG. 5A the thickness of the two L-shaped reinforcing fiber bases 21a and 21b is changed from t (upper view in FIG. 5A) to t- ⁇ t (FIG. It is sectional drawing of the beam material which changes to the lower figure in a).
- the bent portion of the reinforcing fiber substrate in contact with the filler preshaped object changes from R + t to R + t ⁇ t corresponding to the change in thickness.
- the radius of curvature of the curved portion 31 of the preshaped lower mold 23a coincides with the radius of curvature R + t on the mountain side when the maximum thickness is t.
- the width 40 of the cross-section 32 in the region surrounded by the pre-shaped mold is a wedge shape formed at the branch portion when the L-shaped reinforcing fiber base is the thinnest (when the thickness is t ⁇ t).
- the width A is set so that the cross-sectional area A of the gap and the area B of the cross-section 32 of the region surrounded when the preshaped lower mold 23a and the preshaped upper mold 23b are in close contact with each other satisfy A ⁇ B. It is preferable. That is, the curved portion 31 of the preshaped lower mold 23a has a radius of curvature of R + t, but the width 40 of the cross section surrounded by the preshaped lower mold 23a and the preshaped upper mold 23b is as shown in FIG. As indicated by the dotted line, it is preferable to be smaller than the value of radius (R + t) ⁇ 2.
- the filler pre-shaped body to be obtained is crushed by a press machine, and the reinforcing fibers contained in the pre-shaped body can easily spread from side to side, and finally into an appropriate shape. It becomes easy to deform.
- a configuration as shown in FIG. 4B can be adopted.
- a slide mechanism such as installing a guide shaft 33 between the upper and lower molds so that the preshaped upper mold 23b can approach or retract smoothly from the preshaped lower mold 23a.
- either the preshaped lower mold 23a or the preshaped upper mold 23b is retracted in the vertical direction so that the vertical relative position of the preshaped upper mold 23b with respect to the preshaped lower mold 23a can be changed.
- the shape of the filler preshaped object 24 the area of the cross section perpendicular to the longitudinal direction
- a preshaped lower mold is suitably used by the servo motor. You may adjust the space
- the preshaped mold is provided with a mechanism for heating the filler material.
- a mechanism for heating the filler material for example, as shown in FIG. 4, one or a plurality of hollow portions 22 through which heating bodies for heating the filler material 20 pass are provided in the preshaped lower mold 23 a and the preshaped upper mold 23 b.
- the heating element an electric heater capable of raising the temperature in a short time is preferably used from the viewpoint of work efficiency, but is not limited thereto.
- the heating body can be adjusted to a target temperature by a temperature adjusting device (not shown), and can be heated by contacting the filler material with the mold.
- the heating temperature range of the filler material 20 in order to soften the adhesive resin or matrix resin contained in a filler material at appropriate temperature, it must be 5 degreeC or more higher than the softening temperature Tg of adhesive resin or matrix resin. Is more preferable if it is 10 ° C. or higher.
- the surface that contacts the pre-shaped filler material is preferably a material having releasability.
- FIG. 6 is a schematic view showing an example of a cutting pattern of the filler material 20 made of a reinforcing fiber sheet that can be used in the present invention.
- the reinforcing fiber sheet used in the filler preparation step is cut so as to change the fiber amount by appropriately changing the width of the reinforcing fiber sheet in the longitudinal direction.
- the shape of the reinforcing fiber sheet to be prepared may be substantially trapezoidal.
- one of the other two sides may be perpendicular to the wide side 50 and the narrow side 51, or as shown in FIG.
- both the other two sides may be cut obliquely with respect to the wide side 50 and the narrow side 51 of the reinforcing fiber sheet.
- the cross-sectional area of the gap formed in the branch portion of the beam material is adapted, as shown in FIGS. 6 (c) to (e), it is partially cut obliquely or stepped. It is also preferable to cut.
- the filler preshaped object 24 is shaped, and further the filler A mechanism for deforming the molded body 27 will be described in order with reference to FIGS. 7 and 8.
- FIG. 7 is a schematic cross-sectional view showing a mechanism in which a filler preshaped object 24 is formed from a filler material 20 having a large amount of fibers and further deformed into a filler molded object 27.
- the preshaped upper mold 23b is in a state of being retracted upward with respect to the preshaped lower mold 23a.
- the filler material 20 is heated and pressurized between the upper and lower preshaped molds, and is formed into a filler preshaped object 24 having a straight portion and a wedge-shaped portion.
- the filler preshaped object 24 is in the gap formed in the branch portion of the reinforcing fiber base in the combination of the two L-shaped reinforcing fiber bases 21a and 21b. Be placed. Thereafter, the filler preshaped object 24 is directly pressed against the gap formed in the branch portion by the press machine 26.
- the fiber contained in the linear part (part corresponding to the linear part 30 of the preshaped lower mold 23a in FIG. 4) of the filler preshaped object 24 is spread, and L-shaped reinforcing fiber base materials 21a and 21b.
- a curved portion is formed along the curved shape of the bent portion.
- FIG. 8 is a schematic cross-sectional view showing a mechanism in which the filler preshaped object 24 is molded from the filler material 20 having the smallest amount of fibers and further deformed into the filler molded object 27.
- the filler material 20 is heated and pressed between the upper and lower preshaped molds and formed into the filler preshaped object 24. The However, since the amount of fibers fed into the pre-shaped mold is the smallest, no straight portion is formed in the filler pre-shaped body 24. Then, as shown in FIG. 8 (b), the filler preshaped object 24 is in the void formed in the branch portion of the reinforcing fiber base in the combination of the two L-shaped reinforcing fiber bases 21a and 21b. Placed in.
- the case where the fiber amount of the filler material 20 is the smallest is that the curvature radius of the bent portion of the L-shaped reinforcing fiber bases 21a and 21b corresponding to the filler molded body 27 is as shown in FIG.
- the filler material 20 is small compared to the case where the fiber amount is large (that is, the L-shaped reinforcing fiber bases 21a and 21b are thick).
- the filler preshaped object 24 obtained by the preshaped mold has a large radius of curvature formed along the shape of the concave portion of the preshaped lower mold 23a.
- the filler preshaped object 24 is deformed by the press machine 26 so as to follow the wedge shape of the gap to form the filler compact 27.
- the filler preshaped object 24 when pressing the filler preshaped object 24 with the press machine 26, it is preferable to press by the method as shown in FIG. 9 so that the filler preshaped object 24 may deform
- the width of the press machine 26 is preferably a width that includes the branched portions of the two L-shaped reinforcing fiber base materials 21a and 21b and also includes flat portions at both ends thereof. Further, in the case where the flat reinforcing fiber substrate 10c is combined as shown in FIG. 1 after the filler molded body 27 is arranged in the void formed by the reinforcing fiber base having a bent portion, the flat reinforcing member The fiber base material 10c is required to be overlapped flatly. Therefore, it is preferable that the press machine 26 has a sufficient width so that the filler molded body 27 can be pressed without rising from the flat portions of the two L-shaped reinforcing fiber base materials 21a and 21b.
- the press mechanism of the press machine 26 air, hydraulic pressure or the like is preferably used, but is not limited thereto. Moreover, it is preferable that the contact surface with the filler preshaped object is heated so that the press machine 26 may deform
- the shape of the curved portion 31 of the preshaped lower mold is an arc shape corresponding to the radius of curvature of the maximum thickness (maximum number of laminated sheets) of the L-shaped reinforcing fiber bases 21a and 21b.
- it is not limited to this shape.
- it may be linear or bent as shown in FIGS. 10 (a) and 10 (b), or the tip of the arcuate portion forming the wedge shape may be rounded as shown in FIG. 10 (c).
- FIG. 10 (c) from the viewpoint of filling the filler molded body at an appropriate density without an unfilled portion to the back of the wedge-shaped gap formed in the branch portion of the two L-shaped reinforcing fiber base materials 21a and 21b, FIG. It is preferable that the tip has a wedge shape with a sharper tip as shown.
- the pre-shaped mold can take the following configuration.
- FIGS. 11A and 11B are a schematic cross-sectional view and a schematic perspective view, respectively, showing another form of the preshaped mold.
- the preshaped lower mold 23a is divided into left and right two parts.
- Each of the two preshaped lower molds 23a has comb teeth parallel to the direction orthogonal to the mold length direction, and these comb teeth are arranged in the mold length direction so that the left and right mold comb teeth mesh with each other.
- the two two pre-shaped lower molds 23a have a curved portion 70 in which a wedge-shaped gap is formed by combining the two.
- the curved portion 70 has an arc shape corresponding to the curvature radius of the bent portion at the branch portion of the two L-shaped reinforcing fiber base materials 21a and 21b.
- a slide mechanism 72 is provided between the preshaped lower mold 23a and the preshaped upper mold 23b so that the horizontal position of the preshaped lower mold 23a with respect to the preshaped upper mold 23b can be changed. Is provided.
- the preshaped lower die 23a can be moved by pressing the preshaped lower die 23a in the direction of the arrow in the drawing by the press mechanism 71.
- each of the preshaped lower mold 23a and the preshaped upper mold 23b is provided with one or a plurality of hollow portions 22 through which a heating body for heating the filler material 20 is passed.
- a heating body for heating the filler material 20 is passed.
- FIG. 12 (a) and 12 (b) are schematic cross-sectional views showing changes in the area of the cross section 32 in the region surrounded by the preshaped lower mold 23a and the preshaped upper mold 23b shown in FIG. 11, respectively.
- the radius of curvature of the curved portion 70 of the preshaped lower mold 23a is the maximum thickness of the two L-shaped reinforcing fiber bases 21a and 21b as in the embodiment described above with reference to FIG. It is made to correspond to the curvature radius R + t on the mountain side when the thickness is t.
- the two left and right pre-shaped lower molds 23a are positioned so that the comb teeth do not mesh with each other by the slide mechanism 72 provided between the two pre-shaped lower molds 23a and the pre-shaped upper mold 23b (FIG. 12).
- the position can be changed to (a)) or a position where they mesh with each other (FIG. 12B).
- region (cross section 32) enclosed by the preshaped lower mold 23a and the preshaped upper mold 23b can be changed, and the filler preshaped object which has a cross-sectional change can be shape
- the filler material 20 which changed fiber amount passes between pre-shaped molds, this filler material becomes difficult to enter a recessed part. Furthermore, since the filler material 20 can be more uniformly brought into contact with the preshaped lower mold 23a, uneven heating of the filler material can be prevented. Note that it is preferable to increase the number of comb teeth because the mold surface and the filler material 20 do not come into contact with each other in the concave portions of the comb teeth engaged with each other, and the filler material 20 may not be heated. Moreover, it is preferable that the surface of a comb tooth is a material which has mold release property so that the filler material 20 may not get entangled with a comb tooth.
- a servo motor is used as the press mechanism 71, and the output of the servo motor is appropriately adjusted based on the data input corresponding to the change in the fiber amount of the filler material 20 in advance. You may make it do. Further, a mechanism is adopted in which a constant pressure is applied to the preshaped lower mold 23a by a spring, air, hydraulic pressure, etc., and the preshaped lower mold 23a is automatically placed in an appropriate position by the reaction force of the filler material 20. Also good. Of course, it is not limited to these.
- comb teeth are provided on the mutually facing surfaces of both the preshaped lower mold 23a and the preshaped upper mold 23b, and at least one of the preshaped lower mold 23a and the preshaped upper mold 23b is vertically It is good also as a structure which can move to a direction. Also by doing this, the area of the cross section surrounded by the preshaped lower mold 23a and the preshaped upper mold 23b can be changed. In this case, also in the pre-shaped mold, an operation mechanism similar to that of the pre-shaped mold in which one of the upper mold and the lower mold is movable in the horizontal direction can be adopted.
- FIG. 13 is a schematic cross-sectional view showing an example of a method for folding the sheet when a reinforcing fiber sheet is used as the filler material.
- the filler material 20 has an intermediate portion sandwiched between both ends thereof substantially parallel to the straight portion of the preshaped mold (for example, the straight portion 30 of the preshaped lower mold 23 a shown in FIG. 4). It is preferable that the reinforcing fiber sheet is folded in a wave shape at least three times so as to be in the longitudinal direction. By doing so, when the filler preshaped object 24 is directly pressed into the gap by the press machine 26, the fibers contained in the filler preshaped object are easy to spread, and the deformation to the filler molded body 27 that matches the shape of the gap is achieved. It becomes easy. That is, as shown in FIG.
- folding guides 60a, 60b, and 60c as shown in FIG. 14 are sequentially provided at positions upstream of the pre-shaped mold, and the filler material 20 is passed in the longitudinal direction. It may be folded gradually. Alternatively, the filler material 20 folded in a wave shape in the vertical direction in advance may be prepared and put into the filler pre-shaped mold.
- the filler molded body 27 has an appropriate density for the beam material whose cross-sectional shape changes in the longitudinal direction. Can be filled.
- the present invention can also be applied to manufacturing a beam material having a constant cross-sectional shape in the longitudinal direction.
- the embodiment using the reinforcing fiber base in which the adhesive resin is disposed between the layers of the plurality of reinforcing fiber sheets has been described, but the adhesive resin is not disposed between the layers of the plurality of reinforcing fiber sheets.
- the beam material can be formed using the manufacturing means described above.
- the reinforcing fiber base material it is possible to apply a reinforcing fiber sheet rolled into a rod shape or a cylindrical shape. That is, for example, if the reinforcing fiber sheet is formed into an endless rod shape or a cylindrical shape and further crushed into a flat plate shape, it can be used as the reinforcing fiber base as described above.
- the beam material obtained by the apparatus and method as described above can be obtained by using an RTM molding method or a vacuum RTM molding method when a dry reinforcing fiber substrate or reinforcing fiber sheet is used.
- a matrix resin can be injected into (reform) to obtain a reinforced fiber plastic molded product. Even when a dry base material is used as the reinforcing fiber base material and a prepreg is used as the filler material, the matrix resin is injected into the reinforcing fiber base material by the RTM molding method or the vacuum RTM molding method, and the reinforced fiber plastic molded product is obtained. Just get it.
- a reinforced fiber plastic molded product is obtained by pressurizing and / or heating the beam material (preform) with an autoclave (pressure cooker) and curing it. Can do.
- the beam material having the T-shaped cross section has been described.
- the shape of the cross section with respect to the longitudinal direction of the beam material is such as J shape, I shape, or cross shape. It may be a shape.
- the present invention is not limited to the beam material using the reinforcing fiber substrate, but can be applied to the production of the beam material using paper or film, and the application range is not limited thereto.
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Abstract
Description
(1) ビーム材の長手方向に直交する断面において、ウェブ部と該ウェブ部から少なくとも1つの分岐部を経て両側に延びる少なくとも1組のフランジ部を有する強化繊維基材と、前記分岐部に形成された楔形状の空隙に充填されたフィラー成形体とから形成されているビーム材の製造方法であって、前記フィラー成形体が少なくとも下記(A)~(C)の製造工程から作られる、ビーム材の製造方法。
(A)強化繊維で構成されたフィラー材を供給するフィラー供給工程
(B)前記フィラー材を予備賦形型により加圧し、少なくとも1つの楔形状突起部を有するフィラー予備賦形体とする予備賦形工程
(C)前記フィラー予備賦形体を前記空隙内に装填し、前記楔形状突起部の先端が前記空隙の楔形状先端に向かうように前記フィラー予備賦形体を押圧することにより、前記フィラー予備賦形体を変形させてフィラー成形体とするフィラー変形工程
(2) 前記強化繊維基材の厚さがビーム材の長手方向に変化し、かつ、この厚さ変化に伴い前記分岐部における前記強化繊維基材の曲率半径がビーム材の長手方向に変化するビーム材の製造方法であり、
前記(A)工程において、前記フィラー材として長手方向に強化繊維の量が変化する強化繊維シートを供給し、
前記(B)工程において、相対する少なくとも2つの型からなる予備賦形型を用い、該型間をフィラー材が通過するのに従い、該型間の相対位置を変化させることで型間の間隙を変化させて、長手方向に断面形状が変化するフィラー予備賦形体を形成し、
さらに、前記強化繊維基材と前記フィラー予備賦形体とを、長手方向に双方を同期させながら間欠的に搬送し、フィラー予備賦形体が前記予備賦形型を通過した直後に前記(C)工程を施す、
前記(1)に記載のビーム材の製造方法。
(3) 前記(B)工程において、直線部と楔形状部とからなる凹部を有する型(x)と、前記型(x)の直線部に嵌入可能な凸部を有する型(y)と、前記型(x)に対する前記型(y)の相対位置を変化させる機構とを有する予備賦形型を用い、フィラー材を、前記型(x)および前記型(y)の間隙を通過させることで予備賦形する、前記(1)または(2)に記載のビーム材の製造方法。
(4) 前記(A)工程において、前記フィラー材として長手方向に幅が変化する形状の強化繊維シートを用いる、前記(1)~(3)のいずれかに記載のビーム材の製造方法。
(5) 前記(A)工程において、前記強化繊維シートを幅方向に対して少なくとも3回以上波状に折り畳む、前記(4)に記載のビーム材の製造方法。
(6) 前記強化繊維シートとして、シート形状をなす強化繊維に粒子状、繊維状、またはシート状の接着樹脂が少なくとも片面に部分的に添着されているものを用いる、前記(4)または(5)に記載のビーム材の製造方法。
(7) 前記強化繊維シートとして、シート形状をなす強化繊維にあらかじめマトリックス樹脂が含浸されたプリプレグを用いる、前記(4)または(5)に記載のビーム材の製造方法。
(8) 前記(1)~(7)のいずれかの製造方法によって得られたビーム材であって、該ビーム材の長手方向に対する断面形状がI形、T形、J形のいずれかであるビーム材。
(9) 前記(1)~(6)のいずれかの製造方法によって得られたビーム材にマトリックス樹脂を含浸させ、前記マトリックス樹脂を硬化させた繊維強化樹脂成形品。
(10)前記(7)の製造方法によって得られたビーム材に含浸されているマトリックス樹脂を硬化させた繊維強化樹脂成形品。
(11) 少なくとも2つの平板状の強化繊維基材を間欠的に搬送する搬送装置と、搬送される前記平板状の強化繊維基材を型により部分的に加熱および加圧し、貼り合わせウェブ部を形成するウェブ部形成装置と、前記ウェブ部形成装置の後に設けられ、前記平板状の強化繊維基材の貼り合わせていない部分を左右に開き、フランジ部を形成するとともに、前記2つの強化繊維基材の分岐部に楔形状の空隙を形成するフランジ部形成装置と、フィラー成形体を形成するフィラー成形装置と、前記フランジ部形成装置および前記フィラー成形装置の後に設けられ、前記強化繊維基材と前記フィラー成形体とを重ね合わせて加熱するとともに加圧して一体化する一体化装置とを備え、さらに前記フィラー成形装置が以下の(a)、(b)の手段を備えていることを特徴とする、ビーム材の製造装置。
(a)直線部と楔形状部とからなる凹部を有する型(x)と、該型(x)の直線部に嵌入可能な凸部を有する型(y)と、型(x)に対する型(y)の相対位置を変化させる機構とを有する予備賦形型を備え、少なくとも1つの楔形状突起部を有するフィラー予備賦形体を形成する手段
(b)前記フィラー予備賦形体を、前記楔形状突起部の先端が前記楔形状の空隙の先端に向かう方向に押圧する押圧手段。
図11(a)において、予備賦形下型23aは、左右2つに分割されている。2つの予備賦形下型23aは、それぞれが型長方向に対して直交する方向に平行な櫛歯を有し、それら櫛歯は、左右の型の櫛歯が互いに噛み合うように型長方向に配置されている。また、2つの2つの予備賦形下型23aは、両者を合わせることで楔形状の空隙が形成されるような曲線部70を有している。曲線部70は2つのL形状の強化繊維基材21a、21bの分岐部における屈曲部の曲率半径に対応した円弧状からなる。
10c:平板状の強化繊維基材
11:プリフォーム
12:空隙
20:フィラー材
21a、21b:強化繊維基材
22:中空部
23a:予備賦形下型
23b:予備賦形上型
24:フィラー予備賦形体
25:金型
26:プレス機
27:フィラー成形体
30:直線部
31:曲線部
32:予備賦形下型と予備賦形上型とに囲まれる領域の断面
33:ガイドシャフト
40:横幅
50:広幅の辺
51:狭幅の辺
60a、60b、60c:折り畳みガイド
70:曲線部
71:プレス機構
72:スライド機構
80a、80b:材料供給装置
81:牽引装置
82:ウェブ部形成装置
83:フランジ部形成装置
84:フィラー成形装置
85:一体化装置
86:牽引機構
A:肉厚が最も小さい場合の空隙部の断面積
B:予備賦形下型と予備賦形上型が最も密着している時に囲まれる断面積
R:強化繊維基材の屈曲部の谷側の曲率半径
t:L形状の強化繊維基材の厚さ
Δt:L形状の強化繊維基材の厚さ変化
Claims (11)
- ビーム材の長手方向に直交する断面において、ウェブ部と該ウェブ部から少なくとも1つの分岐部を経て両側に延びる少なくとも1組のフランジ部を有する強化繊維基材と、前記分岐部に形成された楔形状の空隙に充填されたフィラー成形体とから形成されているビーム材の製造方法であって、前記フィラー成形体が少なくとも下記(A)~(C)の製造工程から作られる、ビーム材の製造方法。
(A)強化繊維で構成されたフィラー材を供給するフィラー供給工程
(B)前記フィラー材を予備賦形型により加圧し、少なくとも1つの楔形状突起部を有するフィラー予備賦形体とする予備賦形工程
(C)前記フィラー予備賦形体を前記空隙内に装填し、前記楔形状突起部の先端が前記空隙の楔形状先端に向かうように前記フィラー予備賦形体を押圧することにより、前記フィラー予備賦形体を変形させてフィラー成形体とするフィラー変形工程 - 前記強化繊維基材の厚さがビーム材の長手方向に変化し、かつ、この厚さ変化に伴い前記分岐部における前記強化繊維基材の曲率半径がビーム材の長手方向に変化するビーム材の製造方法であり、
前記(A)工程において、前記フィラー材として長手方向に強化繊維の量が変化する強化繊維シートを供給し、
前記(B)工程において、相対する少なくとも2つの型からなる予備賦形型を用い、該型間をフィラー材が通過するのに従い、該型間の相対位置を変化させることで型間の間隙を変化させて、長手方向に断面形状が変化するフィラー予備賦形体を形成し、
さらに、前記強化繊維基材と前記フィラー予備賦形体とを、長手方向に双方を同期させながら間欠的に搬送し、フィラー予備賦形体が前記予備賦形型を通過した直後に前記(C)工程を施す、
請求項1に記載のビーム材の製造方法。 - 前記(B)工程において、直線部と楔形状部とからなる凹部を有する型(x)と、前記型(x)の直線部に嵌入可能な凸部を有する型(y)と、前記型(x)に対する前記型(y)の相対位置を変化させる機構とを有する予備賦形型を用い、フィラー材を、前記型(x)および前記型(y)の間隙を通過させることで予備賦形する、請求項1または2に記載のビーム材の製造方法。
- 前記(A)工程において、前記フィラー材として長手方向に幅が変化する形状の強化繊維シートを用いる、請求項1~3のいずれかに記載のビーム材の製造方法。
- 前記(A)工程において、前記強化繊維シートを幅方向に対して少なくとも3回以上波状に折り畳む、請求項4に記載のビーム材の製造方法。
- 前記強化繊維シートとして、シート形状をなす強化繊維に粒子状、繊維状、またはシート状の接着樹脂が少なくとも片面に部分的に添着されているものを用いる、請求項4または5に記載のビーム材の製造方法。
- 前記強化繊維シートとして、シート形状をなす強化繊維にあらかじめマトリックス樹脂が含浸されたプリプレグを用いる、請求項4または5に記載のビーム材の製造方法。
- 請求項1~7のいずれかの製造方法によって得られたビーム材であって、該ビーム材の長手方向に対する断面形状がI形、T形、J形のいずれかであるビーム材。
- 請求項1~6のいずれかの製造方法によって得られたビーム材にマトリックス樹脂を含浸させ、前記マトリックス樹脂を硬化させた繊維強化樹脂成形品。
- 請求項7の製造方法によって得られたビーム材に含浸されているマトリックス樹脂を硬化させた繊維強化樹脂成形品。
- 少なくとも2つの平板状の強化繊維基材を間欠的に搬送する搬送装置と、搬送される前記平板状の強化繊維基材を型により部分的に加熱および加圧し、貼り合わせウェブ部を形成するウェブ部形成装置と、前記ウェブ部形成装置の後に設けられ、前記平板状の強化繊維基材の貼り合わせていない部分を左右に開き、フランジ部を形成するとともに、前記2つの強化繊維基材の分岐部に楔形状の空隙を形成するフランジ部形成装置と、フィラー成形体を形成するフィラー成形装置と、前記フランジ部形成装置および前記フィラー成形装置の後に設けられ、前記強化繊維基材と前記フィラー成形体とを重ね合わせて加熱するとともに加圧して一体化する一体化装置とを備え、さらに前記フィラー成形装置が以下の(a)、(b)の手段を備えていることを特徴とする、ビーム材の製造装置。
(a)直線部と楔形状部とからなる凹部を有する型(x)と、該型(x)の直線部に嵌入可能な凸部を有する型(y)と、型(x)に対する型(y)の相対位置を変化させる機構とを有する予備賦形型を備え、少なくとも1つの楔形状突起部を有するフィラー予備賦形体を形成する手段
(b)前記フィラー予備賦形体を、前記楔形状突起部の先端が前記楔形状の空隙の先端に向かう方向に押圧する押圧手段
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CN201080046825.7A CN102574334B (zh) | 2009-10-16 | 2010-10-13 | 梁材的制造方法和制造装置 |
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CN102574334B (zh) | 2015-05-27 |
ES2704156T3 (es) | 2019-03-14 |
CN102574334A (zh) | 2012-07-11 |
JPWO2011046137A1 (ja) | 2013-03-07 |
JP5742223B2 (ja) | 2015-07-01 |
US8940119B2 (en) | 2015-01-27 |
EP2489498A4 (en) | 2017-01-11 |
CA2770383C (en) | 2017-10-31 |
US20120196083A1 (en) | 2012-08-02 |
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