Patent classifications
B29C70/542
Production method for the thermoplastic resin composite material
A method of producing thermoplastic resin composite material in which a main base material containing thermoplastic resin and a sheet-like shaped auxiliary base material are integrally molded and are made into composite material. The production method includes the steps of: heating the auxiliary base material (step S1); disposing the heated auxiliary base material in a mold (step S2); disposing the main base material in the mold via the auxiliary base material (step S3); closing the mold, and pressing together and integrally molding the auxiliary base material and the main base material (step S4); and taking out the integrally-molded thermoplastic resin composite material from the mold.
Integrated pick, place, and forming apparatus and method for composite charges over complex geometries
An apparatus for picking, placing, and forming a composite charge over a complex geometry tool comprises a first frame, a second frame, and a plurality of dynamic mechanisms. The first frame is formed from rigid material and includes a first frame member that forms at least a rectangular perimeter. The second frame is formed from flexible material and includes a second frame member that forms at least a rectangular perimeter. Each dynamic mechanism is connected to the first frame and the second frame and located along the perimeters of the first frame and the second frame. Each dynamic mechanism includes a length-variable component positioned between the first frame and the second frame, with at least a portion of the dynamic mechanisms configured to vary a length of the length-variable component for the second frame member to conform to the shape of the complex geometry tool.
Composite material manufacturing method and composite material
An object is to provide a composite material manufacturing method for improving interlayer strength. The present disclosure provides a composite material manufacturing method of laminating a plurality of prepregs (10) formed of a fiber reinforced base material impregnated with an uncured matrix resin and performing hot molding, the method including: using the prepregs (10) each provided with a gap layer (12) that does not contain a resin and is continuous in an in-plane direction and resin layers (11a, 11b) disposed on both surfaces of the gap layer; disposing a plurality of short fibers (13) on facing surfaces of the prepregs (10) that are adjacent to each other; and evacuating the laminated prepregs (10) to degas the gap layer (12) and then performing hot molding.
Integrated pick, place and forming apparatus and method for composite charges over complex geometries
An apparatus for picking, placing, and forming a composite charge over a complex geometry tool comprises a first frame, a second frame, and a plurality of dynamic mechanisms. The first frame is formed from rigid material and includes a first frame member that forms at least a rectangular perimeter. The second frame is formed from flexible material and includes a second frame member that forms at least a rectangular perimeter. Each dynamic mechanism is connected to the first frame and the second frame and located along the perimeters of the first frame and the second frame. Each dynamic mechanism includes a length-variable component positioned between the first frame and the second frame, with at least a portion of the dynamic mechanisms configured to vary a length of the length-variable component for the second frame member to conform to the shape of the complex geometry tool.
CONSTRUCTION OF TUBULAR ASSEMBLIES
A method and apparatus for constructing a tubular assembly 40 comprising an inner portion (24) and a further portion (23) surrounding the inner portion. The inner portion (24) comprises reinforcement (37) and the further portion (23) being formed from a strip (50) of material comprising two opposed longitudinal marginal side portions (53). The apparatus comprises an assembly station (220) comprising a wall (253). The apparatus comprises means for advancing the inner portion (21) along a first path (231) extending passed the wall (253), and means for advancing the strip (50) along a second path (232) and causing the strip to encircle the wall (253) and thereby wrap about and surround the inner portion (21). The apparatus further comprises means (321) for introducing resinous binder into the reinforcement (37) as the strip (50) is being wrapped about the inner portion (21).
Method for Producing a Fiber Composite Component and Fiber Composite Component
A method produces a fiber composite component for a motor vehicle. The method provides a semifinished fiber composite blank, wherein the semifinished fiber composite blank includes reinforcing fibers and a matrix material. The semifinished fiber composite blank is arranged between a first membrane and a second membrane. The semifinished fiber composite blank is shaped into a fiber composite molding by pressing the semifinished fiber composite blank together with the first membrane and the second membrane via a pressing device, and the fiber composite molding is consolidated.
Construction of tubular assemblies
A method and apparatus for constructing a tubular assembly 40 comprising an inner portion (24) and a further portion (23) surrounding the inner portion. The inner portion (24) comprises reinforcement (37) and the further portion (23) being formed from a strip (50) of material comprising two opposed longitudinal marginal side portions (53). The apparatus comprises an assembly station (220) comprising a wall (253). The apparatus comprises means for advancing the inner portion (21) along a first path (231) extending passed the wall (253), and means for advancing the strip (50) along a second path (232) and causing the strip to encircle the wall (253) and thereby wrap about and surround the inner portion (21). The apparatus further comprises means (321) for introducing resinous binder into the reinforcement (37) as the strip (50) is being wrapped about the inner portion (21).
Bagging apparatus and method of bagging
There is disclosed bagging apparatus (20) for bagging a pre-form (12) for a composite component on a tool (10), the apparatus (20) comprising: a bag dispenser (22) having a store (28) for a tubular vacuum bag (30); and a bag guide (36). In use, a length of tubular vacuum bag material (30) can be drawn from the store (28) radially outwardly over the bag guide (36) and over the tool (10) to form a tube around the pre-form. There is also disclosed a method of bagging a pre-form (12) for a composite component on a tool using the bagging apparatus (20).
METHOD FOR MANUFACTURING A TURBOMACHINE COMPOSITE PART
Methods for manufacturing a turbomachine composite part, such as a fan blade, are provided. The composite part has a fibrous structure with a three-dimensional fibrous preform coated with a surface fibrous web, and which is embedded in a polymer matrix The methods include: forming the surface web in a cavity of a mold in order to shape it, wetting and forming the preform on the surface web in order to shape it, and closing the mold, drying the fibrous structure, and injecting thermosetting resin into the mold in order to form said polymer matrix. The surface web is wetted before and/or during the forming thereof.
Controlled shear vacuum forming for shaping preforms
A controlled shear vacuum forming method that includes forming a three-dimensional (3D) structure from a preform material on a molding tool using restraints during vacuuming to prevent wrinkling. The restraints are withdrawn during vacuuming to allowing the preform material to come into contact with the sidewalls of the molding tool in a gradual manner. Such forming method is particularly suitable for forming wing spars with bent sections and/or curved contours.