Abstract: A production system for producing a composite fiber component, in particular a wind turbine blade, includes: a working surface; an optical device for optically capturing features of the working surface and/or of plies laid on the working surface, the plies including fiber material; a computing device for determining a parameter of the captured features and a comparative result depending on a comparison of the determined parameter and a reference parameter; and a feedback device configured to give feedback depending on the comparative result. In this way, the ply lay-up process is monitored and deviations is detected easily and as they occur.

Abstract: Providing is a heating arrangement for bonding a protective shell to a wind turbine blade, including a heating blanket with a first portion and a second portion of a heatable structure, wherein the first portion and the second portion adjoin at a fold of the heating blanket, wherein the fold is curved equally or substantially equally to a curvature of an edge of the wind turbine blade or of a segment of an edge of the wind turbine blade, wherein the heating blanket is mountable to a surface of the wind turbine blade in such manner that the fold abuts the edge or the segment of the edge and that the first portion and the second portion each abuts the surface of the wind turbine blade.

Abstract: Provided is a protective cover system including a first protective cover and a second protective cover, both include a polymer and being pre-formed into a curved shape so as to accommodate at least a part of a wind turbine blade to be protected, each of the first and second protective covers has a tip end and a root end, wherein the first protective cover includes a first overlap portion at the root end, and the second protective cover includes a second overlap portion at the tip end, wherein the shape of the first overlap portion is substantially complementary to the shape of the second overlap portion such that when overlapping the first and second overlap portions, the resulting cross section of the overlapped overlap portions substantially corresponds to the cross sections of the first or second protective covers outside the overlap portions.

Abstract: Providing is a heating arrangement for bonding a protective shell to a wind turbine blade, including a heating blanket with a first portion and a second portion of a heatable structure, wherein the first portion and the second portion adjoin at a fold of the heating blanket, wherein the fold is curved equally or substantially equally to a curvature of an edge of the wind turbine blade or of a segment of an edge of the wind turbine blade, wherein the heating blanket is mountable to a surface of the wind turbine blade in such manner that the fold abuts the edge or the segment of the edge and that the first portion and the second portion each abuts the surface of the wind turbine blade.

Abstract: Provided is a method of applying a protective layer to an outer surfaced of a wind turbine rotor blade, which method includes the steps of preparing a protective layer for application to the outer surface of the rotor blade; providing an air exit channel between the rotor blade and the protective layer; attaching the protective layer to the outer surface of the rotor blade; and extracting air through the air exit channel. Further provided is a wind turbine rotor blade including a protective layer applied to an outer surface of the rotor blade using such a method.

Abstract: Provided is a guiding tool for a surface trimming device, including a main body with a front side base portion and a backside base portion, which are connected by at least one connection portion of the main body, wherein the main body exhibits a recess on a bottom side between the front side base portion and the backside base portion, wherein the main body includes a fixation device on a top side of the main body opposing the recess, wherein a surface trimming device is mountable to the fixation device in such manner that a movable device or trimmer of the surface trimming device is located in the recess between the front side base portion and the back side base portion.

Abstract: Provided is a protective cover system including a first protective cover and a second protective cover, both include a polymer and being pre-formed into a curved shape so as to accommodate at least a part of a wind turbine blade to be protected, each of the first and second protective covers has a tip end and a root end, wherein the first protective cover includes a first overlap portion at the root end, and the second protective cover includes a second overlap portion at the tip end, wherein the shape of the first overlap portion is substantially complementary to the shape of the second overlap portion such that when overlapping the first and second overlap portions, the resulting cross section of the overlapped overlap portions substantially corresponds to the cross sections of the first or second protective covers outside the overlap portions.

Abstract: Provided is a method of applying a protective layer to an outer surfaced of a wind turbine rotor blade, which method includes the steps of preparing a protective layer for application to the outer surface of the rotor blade; providing an air exit channel between the rotor blade and the protective layer; attaching the protective layer to the outer surface of the rotor blade; and extracting air through the air exit channel. Further provided is a wind turbine rotor blade including a protective layer applied to an outer surface of the rotor blade using such a method.

Abstract: A negative mold for casting a component such as a blade of a wind turbine is described. The negative mold includes a support structure and a plurality of foam blocks, which are mounted to the support structure in such a manner, that a common surface contour of the plurality of foam blocks defines an outer surface of the component, which is to be casted. Each foam block of the plurality of foam blocks is taken from a predetermined number of different types of foam blocks, each type of foam block is defined by a predetermined foam block size and foam block shape. A method for producing such a negative mold is also described.

Abstract: A mold for manufacturing a component is provided. A mold has a mold surface representing a negative image of the component. The mold has openings in the mold surface. Flow channels extending from the openings in the mold surface and are connectable to a suction device. Further, the mold has a periphery delimiting the mold surface. A bag is fixed to the periphery of the mold. The bag is inflated to a pressure level above ambient pressure. The pressure is released from the bag while sucking the bag to the mold surface using the suction device. Fabrics are layered onto the bag while the bag is kept sucked to the mold surface. Resin is introduced into the fabrics and then the resin is cured.

Abstract: A wind turbine rotor blade element includes a first portion and a second portion connected to each other is described. The first portion includes a rear surface for facing a surface of a wind turbine rotor blade and the second portion includes a top surface which includes an angle between 90° and 180° with the rear surface of the first portion.

Abstract: A wind turbine rotor blade is provided. The wind turbine rotor blade includes at least two blade sections and a connector for connecting adjacent blade sections, which connector has an inner connecting part of a first blade section and an outer connecting part of a second blade section, wherein the outer connecting part is adapted to enclose the inner connecting part; and a first seal arranged about a connecting part such that an outer surface of the inner connecting part, an inner surface of the outer connecting part, and the first seal form a mold; and an adhesive layer introduced to fill the mold. A wind turbine having a number of such rotor blades as well as a method of constructing such a wind turbine rotor blade are also provided.

Abstract: A negative mold for casting a component such as a blade of a wind turbine is described. The negative mold includes a support structure and a plurality of foam blocks, which are mounted to the support structure in such a manner, that a common surface contour of the plurality of foam blocks defines an outer surface of the component, which is to be casted. Each foam block of the plurality of foam blocks is taken from a predetermined number of different types of foam blocks, each type of foam block is defined by a predetermined foam block size and foam block shape. A method for producing such a negative mold is also described.

Abstract: A negative mold for casting a component such as a blade of a wind turbine is described The negative mold includes a support structure and a plurality of foam blocks, which are mounted to the support structure in such a manner, that a common surface contour of the plurality of foam blocks defines an outer surface of the component, which is to be casted. Each foam block of the plurality of foam blocks is taken from a predetermined number of different types of foam blocks, each type of foam block is defined by a predetermined foam block size and foam block shape. A method for producing such a negative mold is also described.

Abstract: A wind turbine main bearing realized to bear a shaft of a wind turbine, which shaft is caused to rotate by a number of blades connected to the shaft is disclosed. The wind turbine main bearing includes a fluid bearing with a plurality of bearing pads arranged about the shaft. Also disclosed is a wind turbine with a number of blades connected to a shaft and realized to rotate the shaft, which wind turbine includes as main bearing a wind turbine main bearing. Further described is a method of performing maintenance on a wind turbine, including the steps of halting a rotation of the shaft, operating a lifting arrangement to raise the shaft, and removing a bearing pad of the wind turbine main bearing from the bearing housing of the wind turbine main bearing.

Abstract: A method of preparing a mould having a moulding cavity surface with vacuum flow topology for vacuum resin transfer moulding is provided. This method includes: pressing a number of peel ply layers into an uncured resin layer for building up the moulding cavity surface, curing the resin of the resin layer, and detaching the peel ply layers to generate the vacuum flow topology in the moulding cavity surface. A mould for wind turbine blades having a vacuum flow topology prepared by such a method is also provided.

Abstract: An arrangement and a method to align a first component and a second component is provided. The first component includes guiding means and the second component includes guiding means, while these guiding means are prepared and arranged to interact with each other. The guiding means of the components are prepared and arranged to align the components to each other while the components are moved towards each other for their final connection. The guiding means of the first component includes an optical camera system, which is used to monitor the change of the position of the guiding means of the second component in reference to the position of the guiding means of the first component. The optical camera system is connected with a remote display enabling working personnel to direct the movement of the components based on the monitored position changes.

Abstract: A mold for manufacturing a component is provided. A mold has a mold surface representing a negative image of the component. The mold has openings in the mold surface. Flow channels extending from the openings in the mold surface and are connectable to a suction device. Further, the mold has a periphery delimiting the mold surface. A bag is fixed to the periphery of the mold. The bag is inflated to a pressure level above ambient pressure. The pressure is released from the bag while sucking the bag to the mold surface using the suction device. Fabrics are layered onto the bag while the bag is kept sucked to the mold surface. Resin is introduced into the fabrics and then the resin is cured.

Abstract: A rotor blade of a wind turbine with a raked tip portion is provided. The tip portion is raked, i.e. curved, in a rotor blade plane comprising the tip base chord and a line which is parallel to the pitch axis of the rotor blade. Additionally, the orientation of the chords with reference to the chord at the tip base changes between the tip base and the tip. In other words, the trailing edge of the tip portion is twisted. Optionally, the tip portion is additionally swept out of the rotor blade plane, which is characterized by a cant angle.

Abstract: A method of manufacturing a component by molding is provided. A mold has a mold surface representing a negative image of the component. The mold has openings in the mold surface. Flow channels extending from the openings in the mold surface and are connectable to a suction device. Further, the mold has a periphery delimiting the mold surface. A bag is fixed to the periphery of the mold. The bag is inflated to a pressure level above ambient pressure. The pressure is released from the bag while sucking the bag to the mold surface using the suction device. Fabrics are layered onto the bag while the bag is kept sucked to the mold surface. Resin is introduced into the fabrics and then the resin is cured.