Abstract: Provided is a method for producing a wind turbine blade having a blade body including a body part and a tip part, the blade being produced by using a mold, wherein a prefabricated tip part having a first connection interface is arranged adjacent to the mold for producing the body part, whereby building elements for building the body part are arranged in the mold providing a second connection interface which corresponds to and connects to the first connection interface, whereafter both connection interfaces are fixed by applying a fixing agent and curing it.

Abstract: A Mold arrangement for producing a preform element of a wind turbine blade is provided, including a mold carrier with a receiving section having a three-dimensional receiving surface for receiving a mold element and at least one transferable and flexible plate-like mold element adapted to receive preform building material and arrangeable on the receiving surface, which flexible mold element adapts to the three-dimensional geometry of the receiving surface when positioned on the receiving surface.

Abstract: A wind turbine blade for a wind turbine is provided, the wind turbine blade including: an electrical conductor for conducting lighting strikes towards a hub of the wind turbine, a fiber sock fully enclosing the electrical conductor when seen in cross-section, a support element, and at least one finger connecting the support element and the fiber sock, the fiber sock, the support element and the at least one finger being made of electrically conductive fibers for conducting lightning strikes from the support element to the electrical conductor. Such a fiber sock mitigates the risk of delamination around the electrical conductor resulting from injected high voltages in case of lightning strikes.

Abstract: Provided is a mold adapted for producing at least a part of a wind turbine blade, including a support and shell fixed to the support for accommodating blade building elements to be embedded in a resin matrix, wherein the shell includes at least one main body shell element and several diverse tip shell elements, which are exchangeably fixable to the support.

Abstract: Wind turbine rotor blade comprising a shell (13), a web structure (14), and a lightning down conductor arrangement (6), wherein the rotor blade (2) extends in a spanwise direction between a tip-side end (10) and a root-side end (9), wherein the web structure (15) is made from at least one fiber-laminate-based structure, wherein the lightning down conductor arrangement (6) comprises at least one web terminal (16) at least partly embedded in the web structure (15) and at least one root-side end terminal (8) arranged in a root-side end portion of the shell (13) in a spanwise distance to the web terminal (16), wherein the root-side end terminal (8) is connected to the web terminal (16) by an end conductor (19) arranged at the inner surface (20) of the shell (13).

Abstract: A vacuum lifting device is provided including at least one three-dimensional suction cup section defining an inner suction volume and at least one flat surface cover, wherein the surface cover is adapted to cover a portion of a surface of a lifted object in a cover area surrounding the suction cup section, wherein the surface cover extends from an edge of the suction cup section around the suction cup section.

Abstract: Provided is a method of manufacturing an adaptable pre-cast resin-infused carbon-fiber beam, which method includes the steps of arranging a plurality of elongate carbon-fiber blocks side by side; arranging sheets to enclose the blocks and to extend over opposing faces of adjacent blocks; arranging the sheets to converge as an outwardly projecting elongate bead at a junction between adjacent blocks; and pulling on the elongate bead to inhibit resin flow between blocks during a resin infusion step. Also provided is a pre-cast adaptable carbon-fiber beam manufactured using that method; a method of manufacturing a wind turbine rotor blade; and a wind turbine rotor blade.

Abstract: A strip for a spar cap is provided, wherein the strip is made from a composite material including a matrix and a reinforcement, and includes a first and second end region connected together in a longitudinal direction by an intermediate region having two mutually opposed longitudinally extending and parallelly disposed intermediate surfaces, wherein a thickness is determinable perpendicular to the two intermediate surfaces and a width is determinable perpendicular to the longitudinal direction and perpendicular to the thickness, wherein at least one of the first and the second end regions is a chamfered end region, wherein the at least one chamfered end region is simultaneously chamfered along the width and the thickness, wherein the at least one chamfered end region has a first edge at the intermediate region and a second edge at its free end, wherein the first edge and the second edge are substantially parallel to one another.

Abstract: A method for manufacturing a preform element made of preform building material for a wind turbine blade is provided, wherein the preform building material is arranged in a sealed vacuum bag arranged in a shape defining mold, whereafter the vacuum bag is evacuated for vacuum fixating the preform building material in the shape defined by the mold.

Abstract: Provided is a method of manufacturing an adaptable pre-cast resin-infused carbon-fiber beam, which method includes the steps of arranging a plurality of elongate carbon-fiber blocks side by side; arranging sheets to enclose the blocks and to extend over opposing faces of adjacent blocks; arranging the sheets to converge as an outwardly projecting elongate bead at a junction between adjacent blocks; and pulling on the elongate bead to inhibit resin flow between blocks during a resin infusion step. Also provided is a pre-cast adaptable carbon-fiber beam manufactured using that method; a method of manufacturing a wind turbine rotor blade; and a wind turbine rotor blade.

Abstract: An oven arrangement is provided, adapted to heat preform building material arranged on at least one plate-like carrier for producing preform building elements used for building a rotor blade of a wind turbine, including at least one oven and at least one lifting means, wherein the oven includes a housing adapted to receive the carrier, wherein the housing includes an opening at a bottom side of the housing for positioning the carrier in the interior of the housing by lowering the oven over the carrier using the lifting means, wherein the oven includes at least one heating means and/or wherein the oven is connectable to a heat supplying means.

Abstract: A method for manufacturing a preform building element used for building a rotor blade of a wind turbine is provided. A plurality of components is arranged at least partly overlappingly in a component stack on a surface of a carrier, wherein the component stack includes a plurality of sections with overlapping components between which a binding agent is arranged, wherein the sections of the stack include at least partly a different thickness and/or different types of components, wherein the component stack is heated using a heating source for activating the binding agent, wherein during the heating, at least one heat input reduction is used to reduce the heat input in the binding agent in at least one of the sections of the component stack for reducing binding agent migration during the activation.

Abstract: A method for manufacturing at least a part of a wind turbine blade in a resin-based casting process using a mold is provided, wherein at least one preform element, at least one further preform element and at least one laminate supporting element are arranged in the mold, wherein the preform element is arranged on a molding surface of the mold and extends over a section of the circumference of the blade part to be manufactured, wherein the laminate supporting element is arranged on the preform element and the further preform element is arranged on the laminate supporting element, wherein the preform element and the further preform element extend over the entire circumference of the blade part to be manufactured, wherein the preform elements are at least partly infused with a resin for casting of the blade part.

Abstract: An oven arrangement, adapted to heat preform building material arranged on a plurality of transportable, plate-like carriers for producing preform building elements used for building a rotor blade of a wind turbine is provided, including at least two oven units, wherein each oven unit has a housing adapted to receive one or more carriers with at least one closable opening for loading and unloading the carriers, wherein the housings of the oven units are stackable in such manner that the openings are arranged above each other on one side of the stack, wherein each oven unit includes at least one heating device and/or wherein each oven unit is connectable to a mutual heat supplier.

Abstract: Provide is a rotor blade for a wind turbine, including a hollow blade body with a root and a tip, wherein the blade body is split along a split plane into two body parts, one extending from the root to a first connection section and the other extending from a second connection section to the tip, wherein the first and the second connection sections are adapted to overlap each other in the connected position.

Abstract: A carrier plate for a preform manufacturing arrangement for producing a preform element for a wind turbine blade is provided, adapted to receive either a mold element with preform building material on a receiving surface or to directly receive the preform building material on the receiving surface, with the carrier plate having a rectangular shape with a longer longitudinal axis and a shorter transverse axis, wherein the carrier plate is flexible around the longitudinal axis but stiffened against bending around the transverse axis, and stretchable along the transverse axis but stiff along the longitudinal axis.

Abstract: A method for manufacturing of a wind turbine blade component is provided, including the steps: providing a fabric material and at least one binding agent, cutting the fabric material into a plurality of fabric sheets using a fabric cutting tool and arranging at least one stack of the cut fabric sheets on at least one preform mold tool, wherein the binding agent is arranged in and/or in between the stacked fabric sheets, consolidating the stack of fabric sheets, wherein the stack of consolidated fabric sheets forms a preform part, arranging at least one preform part inside a resin injection mold tool, injecting resin into the preform part, curing the resin, arranging the cured part on a holding means, and treating the cured part using at least one treatment tool for forming the wind turbine blade component.

Abstract: A mold arrangement for producing a preform element of a wind turbine blade includes a mold carrier and a plate- or tray-like mold element arranged at the mold carrier with a form defining mold surface adapted to receive preform building material, a first heating device arranged below the mold element for heating the preform building material from below the mold element, and a second heating device for heating the preform building material from above.

Abstract: An oven, adapted to heat preform building material arranged on a transportable, plate-like mold carrier for producing preform building elements used for building a rotor blade of a wind turbine is provided, with a housing adapted to receive several covered mold carriers and having a closable front and a closable rear opening for loading and unloading the mold carriers, wherein the housing includes several receiving means arranged in different levels with each receiving means being adapted to receive at least one mold carrier, and with several heating means assigned to the several intermediate spaces between vertically adjacent mold carriers and the spaces below and/or above the top and bottom mold carrier and adapted to heat the preform building material.

Abstract: A method for assembling blade parts of a wind turbine blade includes the steps of: obtaining information about a connection area of a blade part, at least one of selecting, customizing and manufacturing an adaptor piece depending on the obtained information about the connection area of the blade part, wherein the adaptor piece serves to connect the blade part with at least another blade part, and connecting the blade part to the adaptor piece. Independently manufactured blade parts of a wind turbine blade are assembled in a manner such that the assembled blade comes as close as possible to a single-casted blade.