Abstract: A vehicle body may have an internal skeleton, and a skin fabricated in-situ over the internal skeleton. The skin may include a matrix material, and a plurality of continuous fibers encased within the matrix material. The plurality of continuous fibers may include at least one electrically conductive wire interwoven with others of the plurality of continuous fibers. The at least one electrically conductive wire may be configured to function as at least one of a heater and a strain gauge.

Abstract: A head is disclosed for an additive manufacturing system. The head may include a nozzle configured to discharge a matrix reinforced with a fiber, and a plurality of light sources at least partially surrounding the nozzle. The plurality of light sources may be configured to enhance curing of the matrix. At least two of the plurality of light sources are configured to generate light within different spectrums.

Abstract: A head is disclosed for use with an additive manufacturing system. The head may include a matrix reservoir, and a plurality of nozzles simultaneously fluidly connected to the matrix reservoir. The head may also include at least one hinge connecting the plurality of nozzles.

Abstract: A head is disclosed for use with an additive manufacturing system. The head may include a nozzle through which material is discharged from the additive manufacturing system. The head may also include a nose located at a tip end of the nozzle, and a spring configured to bias the nose away from the nozzle.

Abstract: An additive manufacturing system may include a head configured to discharge a matrix-coated reinforcement, a support configured to move the head during discharging, and a cure enhancer configured to cure the matrix as the matrix-coated reinforcement discharges from the head. The additive manufacturing system may also include a controller in communication with the head, the support, and the cure enhancer. The controller may be configured to receive specifications for a structure to be fabricated, and to determine an anchor point from which the matrix-coated reinforcement will be pulled during fabrication of the structure. The controller may also be configured to regulate operation of the head, the support, and the cure enhancer to manufacture the structure and the anchor point.

Abstract: An additive manufacturing system may include a head configured to discharge a matrix-coated reinforcement, and an anchor guide configured to connect with an end of the matrix-coated reinforcement. The additive manufacturing system may also include a support configured to move the anchor guide during discharging, and a cure enhancer configured to cure a matrix in the matrix-coated reinforcement as the matrix-coated reinforcement discharges from the head.

Abstract: A head is disclosed for an additive manufacturing system. The head may include a reservoir configured to hold a matrix, and a nozzle configured to discharge a continuous fiber received via the reservoir. The head may also include a plurality of supplies of different matrixes in fluid communication with the reservoir.

Abstract: A tension mechanism is disclosed for use with a print head of an additive manufacturing system. The tension mechanism may include a first guide roller configured to receive a continuous reinforcement making up a portion of a composite structure. The tension mechanism may also include a second guide roller spaced apart from the first guide roller and configured to receive the continuous reinforcement in a straight-line trajectory from the first guide roller. The tension mechanism may further include a dancer located between the first and second guide rollers and configured to bias the continuous reinforcement away from the straight-line trajectory. At least one of the first and second guide rollers may have a concave outer profile configured to axially spread out the continuous reinforcement.

Abstract: A head is disclosed for use with an additive manufacturing system. The head may include a matrix reservoir, a first nozzle tip, and a second nozzle tip. The head may also include a tip changer mechanically connected between the first nozzle tip, the second nozzle tip, and the matrix reservoir.

Abstract: A print head is disclosed for use with an additive manufacturing system. The print head may include a matrix reservoir, and a nozzle base connected to an end of the matrix reservoir. The nozzle base may have a plurality of attachment features formed within an exposed surface. The print head may further include a plurality of available dies separately connectable to the nozzle base via the plurality of attachment features. Attachment of the plurality of available dies to the nozzle base may establish fluid communication with the matrix reservoir.

Abstract: A system is disclosed for use in additively manufacturing a composite structure. The system may include a nozzle configured to discharge a composite material, including a matrix and a continuous reinforcement. The system may also include a support configured to move the nozzle in multiple dimensions during discharge of the composite material, and a vibration mechanism configured to generate oscillations within the nozzle during discharge.

Abstract: A matrix supply is disclosed for use with an additive manufacturing system. The matrix supply may include a matrix chamber configured to fluidly communicate a liquid matrix with a print head of the additive manufacturing system. The matrix supply may also include a supply conduit fluidly connected to the matrix chamber, a valve disposed within the supply conduit, and an inlet configured to pass a continuous reinforcement through the matrix chamber to the print head of the additive manufacturing system.

Abstract: A vehicle body may have an internal skeleton, and a skin formed over the internal skeleton. The skin may include a matrix material, and a plurality of continuous fibers encased within the matrix material. At least one of the plurality of continuous fibers is in tension and has differing levels of tension along its length.

Abstract: A vehicle body may have an internal skeleton, and a skin fabricated in-situ over the internal skeleton. The internal skeleton may be fabricated via a first additive manufacturing system. The skin may be fabricated via a second additive manufacturing system that is different from the first additive manufacturing system.

Abstract: A vehicle body may have a skeleton formed by a plurality of overlapping layers bonded to each other. Each of the plurality of overlapping layers may be fabricated from a continuous fiber coated with a matrix material. A trajectory of the continuous fiber may be different between adjacent layers of the plurality of overlapping layers.

Abstract: A vehicle body may have an internal skeleton forming a wing shape and a fuselage shape, and a skin fabricated in-situ over the internal skeleton. The skin may include a matrix material, and a plurality of continuous fibers at least partially coated with the matrix material. The plurality of continuous fibers may extend from the wing shape over the fuselage shape.

Abstract: A system is disclosed for use in additively manufacturing a structure. The system may include an additive manufacturing machine, a memory having computer-executable instructions stored thereon, and a processor. The processor may be configured to execute the computer-executable instructions to cause the additive manufacturing machine to discharge a path of composite material. The processor may also be configured to execute the computer-executable instructions to make a comparison of an actual discharge location of the path of composite material to a desired discharge location, and to selectively cause the additive manufacturing machine to abort fabrication of the structure or to adjust discharge parameters based on the comparison.

Abstract: A system is disclosed for use in additively manufacturing a composite structure. The system may include a head configured to discharge a composite material including a matrix and a plurality of continuous reinforcements. The system may also include a cure enhancer configured to direct energy to the composite material to enhance curing of the matrix, and a shroud adjustably mounted to the head and configured to selectively block at least some of the energy from reaching the matrix.

Abstract: A system is disclosed for use in additively manufacturing a composite structure. The system may include a head configured to discharge a composite material including a matrix and a plurality of continuous reinforcements. The system may also include a weave mechanism configured to selectively adjust a pattern of weaving of the plurality of continuous reinforcements occurring inside of the head.

Abstract: A system is disclosed for use in additively manufacturing a structure. The system may include an additive manufacturing machine, a memory having computer-executable instructions stored thereon, and a processor. The processor may be configured to execute the computer-executable instructions to determine a plurality of tension vectors to be generated within the structure, and to generate a plan for manufacturing the structure. The plan may include tool paths that arrange continuous fibers within the structure to generate the plurality of tension vectors. The processor may also be configured to execute the computer-executable instructions to cause the additive manufacturing machine to follow the plan and manufacture the structure.