Advantages of Utilizing Sandwich Burner in Wind Turbine Blades A sandwich heating element is an electrically conductive fibre set up in a polycarbonate matrix material layer as an inner warmth resource. This allows the heat to be generated from a solitary factor and can as a result minimize the melting time and/or the temperature level at which the polycarbonate matrix product layer is melted due to the fact that the heat is not moved to the external components of the laminate framework using the sandwich core product. Using a polycarbonate matrix product, for example an abdominal polymer, with inner heating elements works to create laminate frameworks for wind generator blades. The burner are made up of carbon fibres, steel fibers or glass or plastic fibres covered with an electrically conductive layer. The burner can be given at picked areas of the polycarbonate matrix material layer and also are utilized for a fast heating up of the thermoplastic matrix material to boost the bonding of the top and also lower laminate components or layers, along with of the sandwich core product, per other. Because of this, the sandwich laminate is a lot more trustworthy and also, hence, much less most likely to damage. As an additional benefit, the sandwich laminate is extra reusable and, as a result, less expensive. This is because the sandwich laminate, by preventing the usual exterior heating of the mould, can be made from lighter products with great thermally protecting properties. This is especially important for the manufacture of wind generator blades where a lightweight construction is a top priority, e.g. a foamed polymer or a honeycomb structure, as well as where the weight of the sandwich laminate is not expensive. An additional advantage of utilizing the sandwich laminate is that the temperature of the internal layers, specifically of the polycarbonate matrix product layers, is able to be regulated using a thermostat to prevent getting too hot. This is particularly crucial for the manufacturing of large structures such as the indoor parts of wind turbine blades where a getting too hot of the framework can cause a reduction of the rotor rotation. Additionally, the heating elements can be placed as though a higher amount of warm is presented at those places where it is most needed to heat up the thermoplastic matrix product. This is specifically valuable for wind generator blades due to the fact that the thermoplastic matrix product need to be heated up to a temperature of about 100 ? C to thaw and combine with the reinforcement fibers, which can just be done if the temperature is above the melting factor of the polycarbonate matrix product. For this function the internal burner of the sandwich laminate can be supplied with present by a matching variety of electrically conductive fibers constituted of carbon fibres, metal fibres, or glass or plastic fibres, or by a combination thereof. These fibres are set up at picked points in the thermoplastic matrix material layer and also can be placed to be close to each various other. Alternatively, the burner can be placed at a distance from each various other and also gotten in touch with each other via electric connection passages of the sandwich core product. These flows may be sewed right into picked components of the insulating sandwich core product or otherwise prepared ahead of time. This is preferably done by using copper threads as the conductive strings, although other, preferably a lot more affordable alternatives could be made use of.