Abstract: The present invention relates to method of manufacturing a wind turbine blade, the method comprising the steps of providing a first shell half and a second shell half, providing a shear web having a first edge and an opposing second edge, and attaching the first edge of the shear web to an inner surface of the first shell half. One or more guide members are mounted onto an inner surface of the second shell half for guiding the shear web, each guide member comprising a hollow body and a guiding surface.

Abstract: Disclosed is a wind turbine blade and a method of for attaching one or more components to a sandwich structure element of a wind turbine blade. The Wind turbine blade comprising a bushing inserted through a hole provided through a sandwich structure element, and a first component attached to a first bushing part and an elastically compressible element being arranged between a first component surface of the first component and a first side of the sandwich structure element.

Abstract: A mould system for moulding a blade shell of a wind turbine blade includes a first mould for manufacturing a first blade shell part and a second mould for moulding a second blade shell part. The first mould has a first moulding side with a first moulding surface defining an outer shape of the first blade shell part. The second mould has a second moulding side with a second moulding surface defining an outer shape of the second blade shell part. The mould system is configured to rotate and position the first mould such that the first moulding side is facing the second moulding side and such that the first blade shell part may be joined with the second blade shell part so as to form the blade shell. The first mould includes a first mould flange along at least a part of the periphery of the first moulding surface.

Abstract: A main laminate for a wind turbine blade, a wind turbine blade, and methods for manufacturing such components are disclosed. The main laminate extends along a longitudinal direction and comprising a connector element comprising a conductive mesh portion and an elongated connector part, wherein a connector part length is longer than an edge distance between the conductive mesh portion and a first edge, and wherein a secondary connector portion of the elongated connector part is bendable around a bend axis substantially parallel to the longitudinal direction.

Abstract: A method for assembling an integrated wind turbine blade shell, comprising: attaching and distributing cleats onto the first wind turbine shell part at a distance from the first edge of a first wind turbine blade part, wherein a ledge surface and a rail of each cleat define, together with the interior surface, a ledge for supporting a glue flange; securing a clamp tool to the anchor of each cleat; resting the separately manufactured glue flange on the ledge surface of each cleat; closing the first and second wind turbine blade shell parts; actuate the clamp tools to clamp the glue flange between the clamp head of each clamp tool and interior surface; and detaching and removing the clamp tools from the cleats.

Abstract: The present invention relates to a pre-manufactured spar cap for a wind turbine blade comprising a spar cap structure comprising a plurality of fibre-reinforced composite elements arranged in stacked rows and separated by interlayers and a first and/or second damage tolerant cover sheet. The first and/or second damage tolerant cover sheets each comprises a first damage tolerant fibre layer and a second damage tolerant fibre layer attached to each other in attachment areas, wherein the attachments areas are separated from each other by a distance between 1-5 cm. Furthermore, the spar cap structure and the first and/or second damager tolerant cover sheet are embedded in a first cured resin. The present invention also relates to a damage tolerant cover sheet as such, as well as a wind turbine comprising a first and/or second damage tolerant cover sheet.

Abstract: The present disclosure relates to a spar cap (10) for a wind turbine blade (1000) comprising: a plurality of spar cap layers (20) and a first interlayer (30) arranged between the first spar cap layer (20a) and the second spar cap layer (20b) and comprising: a number of first interlayer areas (31), including a first primary interlayer area (31a), comprising a first number of interlayer sheets (33) comprising a first plurality of fibres (35); and a number of second interlayer areas (32), including a second primary interlayer area (32a), comprising a second number of interlayer sheets (34) comprising a second plurality of fibres (36), wherein the first number of interlayer sheets (33) is of a different characteristic than the second number of interlayer sheets (34).

Abstract: A method for manufacturing a wind turbine blade, comprising the steps of: providing one or more individual pultrusions including a first tapering end with a tapering end face terminating in a taper tip, and arranging the one or more pultrusions in one layer or more stacked layers including at least a bottom layer on a first assembly surface at a first assembly station to provide a pultrusion arrangement extending in a longitudinal direction between a pultrusion root end and a pultrusion tip end, wherein the first tapering end of the one or more pultrusions form the pultrusion root end or the pultrusion tip end of the pultrusion arrangement.

Abstract: A component platform lock for holding a wind turbine blade component during attachment of the wind turbine blade component to a wind turbine blade shell part, the component platform lock comprising a first and second moving pin, first and second inner cone stud and first and second collets surrounding the inner cone stud, the collets expanding based on the movement of the inner cone stud relative to the collets.

Abstract: The present disclosure relates to an interlayer for being arranged between a first element and a second element of a fibre reinforced composite material, the interlayer comprises an interlayer sheet comprising one or more fibre layers extending in a fibre layer plane, the one or more fibre layers including a first fibre layer comprising a first plurality of fibres and having a first upper fibre surface and a first lower fibre surface, wherein the interlayer sheet has an upper interlayer surface and a lower interlayer surface and wherein the interlayer comprises a plurality of conductive fibres, wherein each of the plurality of conductive fibres forms part of the upper interlayer surface as well as the lower interlayer surface.

Abstract: The present invention relates to a method of performing at least one post-moulding operation on a blade segment (70) of a wind turbine blade. The method comprises the providing a holding device (88) for supporting the blade segment (70) at its spar structure (62), the holding device (88) comprising a coupling member (90) for engaging the spar structure (62). The blade segment (70) is held with the holding device (88) such that the spar structure (62) of the blade segment (70) is engaged by the coupling member (90), and performing at least one post-moulding operation on the shell structure (82) of the blade segment (70).

Abstract: A method for manufacturing a blade shell part of a wind turbine blade includes providing a mould for manufacturing a blade shell part of the wind turbine blade. The mould has a first moulding side with a first moulding surface that defines an outer shape of the blade shell part. The method comprises providing a blade shell part on the first moulding surface and providing a support element and attaching the support element to a fastening section of the blade shell part. Attaching the support element includes applying adhesive between the support element and the fastening part. The method also includes providing an air heating assembly having a cover extending in a longitudinal direction between a first cover end and a second cover end and extending in a transverse direction between a primary cover end and a secondary cover end, the cover defining a cavity.

Abstract: Disclosed a wind turbine blade comprising a main laminate and a method for manufacturing a main laminate for a wind turbine blade. The wind turbine blade extends in a longitudinal direction from a root to a tip and comprising a pressure side, a suction side and a chord line extending between a leading edge and a trailing edge. Particularly, lightning protection of such main laminate is disclosed.

Abstract: A wind turbine blade includes a leading edge protection element attached to the leading edge of the wind turbine blade. The leading edge protection element extends in a longitudinal direction between an outboard end and an inboard end and includes an attachment surface mounted to an exterior surface of the blade, an exterior surface opposite the attachment surface, a first section extending from the leading edge and along a part of the pressure side of the wind turbine blade to a first transverse end at a first position on the pressure side of the blade, and a second section extending from the leading edge and along a part of the suction side of the wind turbine blade to a second transverse end at a second position on the suction side of the blade.

Abstract: The present invention relates to a method of performing at least one post-moulding operation on a blade segment (70) of a wind turbine blade. The method comprises the providing a holding device (88) for supporting the blade segment (70) at its spar structure (62), the holding device (88) comprising a coupling member (90) for engaging the spar structure (62). The blade segment (70) is held with the holding device (88) such that the spar structure (62) of the blade segment (70) is engaged by the coupling member (90), and performing at least one post-moulding operation on the shell structure (82) of the blade segment (70).

Abstract: The present invention relates to a method of manufacturing a wind turbine blade (10), comprising the steps of placing a fibre lay-up including one or more fibre layers on the mould surface of a blade mould (60), arranging a load-bearing structure (45) and a core member (62) on the fibre lay-up such that the core member (62) is arranged between the load-bearing structure (45) and the leading edge (18) and/or between the load-bearing structure (45) and the trailing edge (20), and infusing resin into the blade mould to impregnate the fibre lay-up. The core member (62) comprises a first hole (64) with a circular cross section, a first cylindrical insert (70) rotatably arranged within the first hole (64) of the core member (62), the first cylindrical insert (70) having a central axis (71). A recess (80) is formed in the first cylindrical insert (70), wherein the recess (80) is arranged eccentrically with respect to the central axis (71) of the first cylindrical insert (70).

Abstract: The present invention relates to a wind turbine blade comprising a lightning protection system with at least one tip end lightning receptor arranged at an outer surface of the blade and a down conductor extending within the blade. The blade comprises carbon fibre reinforced spar caps, wherein electrically conductive meshes are connected between the respective tip end of each spar cap to the tip end lightning conductor.

Abstract: A method of joining first and second blade components of a rotor blade of a wind turbine includes providing corresponding first and second positioning elements at an interface of the first and second blade components. The method also includes aligning and securing the first positioning element of the first blade component with the second positioning element of the second blade component so as to temporarily secure the first and second blade components together. Further, the corresponding first and second positioning elements maintain a desired spacing between the first and second blade components. Moreover, the method includes permanently securing the first and second blade components together such that the desired spacing is maintained between the first and second blade components.

Abstract: A rotor blade assembly for mitigating stall-induced vibrations of a wind turbine during standstill includes at least one protrusion secured to the leading-edge of a rotor blade and defining an extended leading edge. The protrusion(s) wraps around a portion of the rotor blade from the suction side to the pressure side of the rotor blade. The protrusion(s) has a root-side face and a tip-side face disposed opposite thereof. The root-side face is arranged at an angle relative to a chordwise reference line. The angle is greater than zero degrees and less than or equal to 45 degrees with respect to the chordwise reference line. The protrusion(s) is configured to affect a chordwise airflow and thereby mitigate a stall-induced vibration.

Abstract: A mould aligner is used to align and lock a first mould and a second mould for moulding shell parts of a wind turbine blade. The mould aligner includes a first alignment segment configured to be attached to a first mould and a second alignment segment configured to be attached to a second mould. The second alignment segment includes a hydraulic cylinder having a barrel and a piston rod. The piston rod is axially displaceable and rotatable with respect to the barrel. The hydraulic cylinder includes a lock part having a first rod part and a locking element being provided on the first rod part. The first rod part is configured for being received in and engaged in the locking cavity of the first alignment segment. The hydraulic cylinder includes a cylinder part comprising the barrel and a second rod part having a piston.