Abstract: A mould for moulding a wind turbine blade or an elongate structural part thereof, the mould comprising a plurality of longitudinal elongate mould sections adapted to be fitted together in an end-to-end relationship to form a unitary mould, each mould section having a central mould portion between opposite end portions, each mould section being composed of a fibre reinforced resin matrix composite material, at least one end portion of each mould section forming an integral flange oriented substantially orthogonally downwardly with respect to an upper surface of the mould section, and the upper surface including a moulding surface and a recess located between the flange and the moulding surface, the recess extending across a transverse width of the mould section whereby when the flanges of adjacent mould sections are fitted together in an abutting relationship, the adjacent recesses form a combined recess separating the moulding surfaces of the adjacent mould sections.

Abstract: The present invention provides a wind turbine blade of hybrid material composition, wherein the blade comprises a structural box mainly made of a epoxy based prepreg and a shell manufactured by resin infusion technique using polyester or vinylester, and the box and the shell are bonded using an adhesive that is not a polyester, a vinylester and an epoxy. The present invention also provides a method for producing such a blade.

Abstract: An wind turbine blade mould side adjustment device is provided, characterized in that the device is provided at a flange of the mould, and the side adjustment device comprises an upper part and a lower base, wherein the lower base is fixed on the mould frame and the upper part is capable of sliding over the lower base in a direction substantially parallel to the blade width direction. Such an improved side shape adjustment device for wind turbine blade moulds makes adjustment of the mould width easier and more efficient, and meanwhile allows the mould to readily expand in the blade longitudinal direction.

Abstract: A wind turbine blade mold, comprising a mold shell and a metallic mold frame, wherein the mold is provided with stiffening ribs that are laminated or bonded to the mold shell, characterized in that the stiffening ribs being oriented in the spanwise direction of the mold. The stiffening ribs comprises tubes that are bonded to the shell surface with fiberglass web lamination, thus forming a I-beam cross section. The mold may be provided with threaded shape adjustment devices. Using the mold, the deformation may be easily corrected.

Abstract: A composite mold laminate, having a main structure layer made of oriented fiberglass, characterized in that the laminate further comprises a surface layer comprising random oriented carbon fiber.

Abstract: A mold turnover system for turning over the rotating side mold over the fixed side mold includes a turnover device and a quick releasing mechanism, characterized in that the quick releasing mechanism comprises a hook associated with the turnover device and an engaging member associated with the rotating side mold, wherein the hook can be quick engaged onto or disengaged from the engaging member.

Abstract: A mold for molding a wind turbine blade, the mold comprising a mold body having a front molding surface and a rear face, the mold body having at least one tube therein for conveying a heating liquid therethrough, the at least one tube defining a plurality of laterally spaced heating elements, and a continuous layer of heat conductive material located in the thickness direction of the mold body between the plurality of laterally spaced heating elements and the front molding surface and extending laterally across the space between adjacent heating elements.

Abstract: An adjustable aligning device (300) for large composite molds comprising a first half part and a second half part includes a first member (1) and a second member (2) which are coupled to the first half part and the second half part of the molds respectively. The first member (1) and the second member (2) have mating portions and are capable of moving relative to each other. The adjustable aligning device (300) allows the fine calibration of overbite of the mold, and can reduce the time and skill needed for aligning the molds.

Abstract: A mould clamping system (1,101) for a mould (2,102) having a first half part and a second half part includes a first portion (4,104) and a second portion (5,105) coupled to the first and second half parts of the mould (2,102) respectively. The first portion (4,104) is provided with a first engaging part (41,141), and the second portion has a second engaging part (6,106) which is movable, by means of a predetermined actuating means (7,107), between a first operating position where the second engaging part (6,106) is engaged with the first engaging part (41,141), and a second rest position where the second engaging part (6,106) is disengaged with the first engaging part (41,141). The clamping system (1,101) of the present invention eliminates the labor of installing the clamping systems, and ensures sufficient clamping force.

Abstract: The present invention provides a wind turbine blade of hybrid material composition, wherein the blade comprises a structural box mainly made of a epoxy based prepreg and a shell manufactured by resin infusion technique using polyester or vinylester, and the box and the shell are bonded using an adhesive that is not a polyester, a vinylester and an epoxy. The present invention also provides a method for producing such a blade.

Abstract: A mould turnover system for turning over the rotating side mould over the fixed side mould includes a turnover device and a quick releasing mechanism, characterized in that the quick releasing mechanism comprises a hook associated with the turnover device and an engaging member associated with the rotating side mould, wherein the hook can be quick engaged onto or disengaged from the engaging member.

Abstract: An insert (10) for a wind turbine blade root has a wedge-like portion (16), the wedge-like portion (16) is elongate and extends between a distal end (14) and a proximal end (25) thereof. The wedge-like portion (16) has opposed major surfaces (24, 26) and a connection portion (12) for fitting the insert (10) to a mount, and increases in thickness between the opposed major surfaces (24, 26) in a direction from the distal end (14) to the proximal end (25). The connection portion (12) is integral with, and located at the proximal end (25) of the wedge-like portion (16). With this insert, the total weight of the assembled blade and raw material cost can be reduced considerably, and the manufacturing of the wind blade root including a plurality of such inserts is facilitated.

Abstract: An wind turbine blade mould side adjustment device is provided, characterized in that the device is provided at a flange of the mould, and the side adjustment device comprises an upper part and a lower base, wherein the lower base is fixed on the mould frame and the upper part is capable of sliding over the lower base in a direction substantially parallel to the blade width direction. Such an improved side shape adjustment device for wind turbine blade moulds makes adjustment of the mould width easier and more efficient, and meanwhile allows the mould to readily expand in the blade longitudinal direction.

Abstract: A composite mould laminate, having a main structure layer made of oriented fiberglass, characterized in that the laminate further comprises a surface layer comprising random oriented carbon fiber.

Abstract: A wind turbine blade automated production system, characterized in that the system comprising a fixed side mould, a turning side mould, at least a fixed side mould gantry spanning over the fixed side mould and at least a turning side mould gantry (9) spanning over the turning side mould, wherein each gantry is supported on an outer track and an inner track, so that each gantry is slidable along the longitudinal direction of the moulds, wherein the turning side mould is provided with a plurality of turnover hinge devices (12), wherein the inner track is provided with a plurality of gaps (10), the number and the position of which correspond to the number and the position of the turnover hinge devices (12), and the inner track is arranged at such a height that the turnover hinge devices (12) may rotate the turning side mould without any collision of the mould and the inner track.

Abstract: A mould for moulding a wind turbine blade, the mould comprising a mould body having a front moulding surface and a rear face, the mould body having at least one tube therein for conveying a heating liquid therethrough, the at least one tube defining a plurality of laterally spaced heating elements, and a continuous layer of heat conductive material located in the thickness direction of the mould body between the plurality of laterally spaced heating elements and the front moulding surface and extending laterally across the space between adjacent heating elements.

Abstract: A wind turbine blade mould comprising a mould shell (20) and a metallic mould frame is provided with stiffening ribs that are laminated or bonded to the mould shell (20). The stiffening ribs are oriented in the spanwise direction of the mould. The stiffening ribs comprise tubes (3) that are bonded to the shell surface with fiberglass lamination substrate (19), thus an I-beam cross section is formed. The mould is provided with center shape adjustment devices (1) and flange shape adjustment devices (2). The mould can be used to correct the deformation easily.

Abstract: An adjustable aligning device (300) for 300 large composite moulds comprising a first half part and a second half part includes a first member (1) and a second member (2) which are coupled to the first half part and the second half part of the moulds respectively. The first member (1) and the second member (2) have mating portions and are capable of moving relative to each other. The adjustable aligning device (300) allows the fine calibration of overbite of the mould, and can reduce the time and skill needed for aligning the moulds.

Abstract: A mould clamping system (1,101) for a mould (2,102) having a first half part and a second half part includes a first portion (4,104) and a second portion (5,105) coupled to the first and second half parts of the mould (2,102) respectively. The first portion (4,104) is provided with a first engaging part (41,141), and the second portion has a second engaging part (6,106) which is movable, by means of a predetermined actuating means (7,107), between a first operating position where the second engaging part (6,106) is engaged with the first engaging part (41,141), and a second rest position where the second engaging part (6,106) is disengaged with the first engaging part (41,141). The clamping system (1,101) of the present invention eliminates the labor of installing the clamping systems, and ensures sufficient clamping force.