Abstract: The present invention relates to a method for the additive manufacture of components (2), wherein a pulverulent or wire-shaped metal construction material is deposited on a platform (4) in layers, melted using a primary heating device (7), in particular using a laser or electron beam (14), and is heated using an induction heating device (8), which has an alternating voltage supply device (9) with an induction generator (16) and at least one induction coil (10) which can be moved above the platform (4). The induction generator (16) is controlled such that the induction generator is driven with a different output at different specified positions of the at least one induction coil (10). The invention additionally relates to a device, to a control method, and to a storage medium.

Abstract: The present invention relates to an impulse body module group with at least two impulse body modules, which, in particular, are identical in construction, for a gas turbine blade, wherein each of the impulse body modules comprises a housing, which, in particular, is of one piece and which has a first cavity, which is closed, in particular in an airtight manner, by a first cover, which is joined to the housing, in particular in a material-bonded manner, and in which a single, in particular spherical or cylindrical, first impulse body is accommodated with play of movement in at least one first direction of impact, wherein the housing has no additional cavity or a single additional cavity, in which a single, in particular spherical or cylindrical, additional impulse body is accommodated with play of movement in at least one direction of impact.

Abstract: A guide vane segment for a turbomachine stage that has an inner ring segment (10) and a plurality of guide vanes (20) that are configured on the inner ring segment; a detuning region (V) of the inner ring segment extending in each case from a trailing edge (21) of at least one guide vane (20), in particular of at least 50% of the guide vanes (50), axially toward a leading edge (22) of the guide vane (20) over at most 50% of a width (B) of the inner ring segment (10) and/or at most 5 mm and/or circumferentially on both sides, in each case over at most 25% of a spacing (A) between adjacent guide vanes (20), at and/or in which at least one cavity (112) is configured which contains at least one impulse element (100) with clearance of motion for providing impact contacts.

Abstract: The invention relates to a method and device for generatively producing components, said device comprising a radiation device for selectively radiating a powder bed, and an induction device for inductively heating the component produced by radiating the powder bed, Said induction device comprising at least one voltage source which can simultaneously produce alternating voltages with at least two different frequencies.

Abstract: A method for the additive production of a component, wherein a plurality of layers made in particular of a powder-like material is provided in succession and each material layer is scanned by an energy beam according to a specified component geometry. A component section already produced and/or the respective material layer provided and/or of a work platform on which the component is constructed is additionally heated. For at least one material layer, the temperature distribution on the surface on which the material layer is provided and/or the temperature distribution on the surface of the layer provided is measured. During the scanning process of the material layer, the energy quantity introduced by the energy beam is varied as a function of the temperature distribution detected on the surface on which the layer is provided, and/or as a function of the temperature distribution detected on the surface of the layer.

Abstract: The invention relates to a method and an associated device, the method including at least the following steps: applying a layer of powder to a component platform in the region of a building and joining area; locally melting and/or sintering the powder layer, wherein, in the region of the building and joining area, at least one high-energy beam is moved in relation to the component platform, selectively impinging the powder layer, at least part of which at least one high-energy beam and the component platform are moved in relation to one another, in the form of a parallel arrangement arranged along a linear feed direction; lowering the component platform by a predetermined layer thickness in a lowering direction; and repeating the above-mentioned steps until the component region is completed.

Abstract: The present invention relates to an impulse body module group with at least two impulse body modules, which, in particular, are identical in construction, for a gas turbine blade, wherein each of the impulse body modules comprises a housing, which, in particular, is of one piece and which has a first cavity, which is closed, in particular in an airtight manner, by a first cover, which is joined to the housing, in particular in a material-bonded manner, and in which a single, in particular spherical or cylindrical, first impulse body is accommodated with play of movement in at least one first direction of impact, wherein the housing has no additional cavity or a single additional cavity, in which a single, in particular spherical or cylindrical, additional impulse body is accommodated with play of movement in at least one direction of impact.

Abstract: The invention relates to a method for producing a low-pressure turbine blade from a TiAl material by means of a selective laser melting process, wherein during production in the selective laser melting process the already partially manufactured low-pressure turbine blade is preheated by inductive heating, and wherein the selective laser melting process is carried out under protective gas, the protective gas atmosphere containing contaminants of oxygen, nitrogen, and water vapor in each case of less than or equal to 10 ppm.

Abstract: A guide vane segment for a turbomachine stage that has an inner ring segment (10) and a plurality of guide vanes (21-25) that are configured on the inner ring segment; at and/or in at least one detuning region (A; B) of the inner ring segment, that extends circumferentially in a portion of the inner ring segment that, from one end face (11; 12) of the inner ring segment to an inner guide vane (22; 24) that is circumferentially adjacent to an outermost guide vane (21; 25) adjacent to the end face and/or extends at most over an outermost third of a length (L) of the inner ring segment bounded by an end face (11; 12) of the inner ring segment, at least one cavity (112) is configured which contains at least one impulse element (100) with clearance of motion for providing impact contacts.

Abstract: The invention relates to a device (10) for generative production of at least one component area of a component (12), in particular of a component (12) of a flow machine. Therein, the device (10) can include at least one lowerable component platform (16) with at least one construction and joining zone (20) for receiving at least one powder layer of a component material, at least one heating device (24, 28) movable relative to the component platform (16) and at least one radiation source for generating at least one high-energy beam (22), by means of which the powder layer can be locally melted and/or sintered to a component layer in the area of the construction and joining zone (20), as well as at least one suction and/or gas supply device (36) disposed on the heating device (24, 28). However, the device (10) can also include at least one coater (14).

Abstract: The invention relates to a device for inductive heating of a component, having a component placement unit for the component, an induction coil, with which the component can be heated inductively, at least in regions, an electrical lead for the induction coil, and a positioning unit, at which the induction coil is arranged in such a way that it can be brought into different relative arrangements with respect to the component placement unit by way of the positioning unit, wherein the electrical lead is guided over a contact, which is formed by contact surfaces that rest against each other and are shifted in position in relation to each other in the contact position when the induction coil is shifted in position by means of the positioning unit.

Abstract: The present invention relates to a device for the additive manufacturing of components by selectively irradiating a powder bed, the device having a working chamber in which at least one powder bed chamber and at least one radiation source are arranged such that the radiation source can irradiate a powder in the powder bed chamber, and wherein the device comprises at least one induction coil such that the powder bed and/or a component, which is generated by irradiating the powder bed, can be at least partially inductively heated.

Abstract: A blade for a turbomachine, in particular a compressor or turbine stage of a gas turbine, having at least one matrix having a first impact chamber (10) in which at least one impulse element (11) is disposed with play, at least one second impact chamber (20) whose volumetric centroid is offset from a volumetric centroid of the first impact chamber (10) along a first matrix axis (A) and in which at least one impulse element (21) is disposed with play, and at least one third impact chamber (30) whose volumetric centroid is offset from the volumetric centroid of the first impact chamber (10) along a second matrix axis (B) transversely to the first matrix axis (A) and in which at least one impulse element (31) is disposed with play, the first matrix axis (A) and an axis of rotation (R) of the turbomachine forming an angle of at least 60° and no more than 120° is provided.

Abstract: The invention relates to a turbomachine including: a guide baffle, whose sv guide blades are situated on c guide blade carriers; and an adjacent moving baffle including sb moving blades; the guide baffle nv including impulse bodies which are situated in a cavity system of the guide baffle with movement play with respect to the impulse contact; the moving baffle nb including impulse bodies which are situated in a cavity system of the moving baffle with movement play with respect to the impulse contact; and quotient ? i = 1 n v ? ? m i s v - c of sum ? i = 1 n v ? ? m i of the masses of all impulse bodies of the guide baffle divided by the difference (sv?c) of the number sv of all guide blades minus the number c of all guide blade carriers amounts to at least 1.

Abstract: A device for the generative production of a component, particularly a component of a gas turbine engine, includes a working chamber, a hardening means, in particular a laser, for the layerwise local hardening of an initial material disposed in the working chamber, in order to produce the component layerwise in a direction of layer construction; and a movable induction heating arrangement with a first inductor and a second inductor for induction tempering in pre-determinable regions of the working chamber, wherein the first inductor engages in the second inductor at least in one operating position and/or the first and/or second inductor is disposed on a distribution means, in particular a slider, for the layerwise disposal of initial material in the working chamber.

Abstract: Disclosed is a method for generatively producing or for repairing at least one area of a component, wherein a zone arranged downstream of a molten bath is post-heated to a post-heating temperature and the component is set to a base temperature, and also a device for carrying out such a method.

Abstract: A device for additive manufacturing of components by selective irradiation of a powder bed, having a processing chamber—in which at least one powder bed chamber and at least one radiation source are arranged such that the radiation source can irradiate a powder in the powder bed chamber, and wherein the device includes at least one induction coil, so that a component which is produced by irradiation of the powder bed can be at least partially inductively heated, and wherein the induction coil is movable relative to one or more powder bed chambers. A method for additive manufacturing of components by selective irradiation of a powder bed, in which method the component being manufactured is inductively heated at the same time, wherein the position of one or more induction coils for inductive heating is determined and adjusted based on the geometry of the component to be produced.

Abstract: The invention relates to a layer-by-layer construction method for the additive manufacture of at least one region of a component. The layer-by-layer construction method comprises at least the following steps: a) application of at least one powder layer of a metallic and/or intermetallic material onto at least one buildup and joining zone of at least one lowerable building platform; b) layer-by-layer and local melting and/or sintering of the material for the formation of a component layer by selective exposure of the material with at least one high-energy beam in accordance with a predetermined exposure strategy; c) layer-by-layer lowering of the building platform by a predefined layer thickness; and d) repetition of steps a) to d) until the component region has been finished. The invention further relates to a layer-by-layer construction apparatus for the additive manufacture of at least one region of a component by an additive layer-by-layer construction method.

Abstract: The invention relates to a device for inductive heating of a component 10, having a component placement unit for the component, an induction coil, with which the component can be heated inductively, at least in regions, an electrical lead for the induction coil, and a positioning unit, at which the induction coil is arranged in such a way that it can be brought into different relative arrangements with respect to the component placement unit by way of the positioning unit, wherein the electrical lead is guided over a contact, which is formed by contact surfaces that rest against each other and are shifted in position in relation to each other in the contact position when the induction coil is shifted in position by means of the positioning unit.

Abstract: A guide vane segment for a turbomachine stage that has an inner ring segment (10) and a plurality of guide vanes (20) that are configured on the inner ring segment; a detuning region (V) of the inner ring segment extending in each case from a trailing edge (21) of at least one guide vane (20), in particular of at least 50% of the guide vanes (50), axially toward a leading edge (22) of the guide vane (20) over at most 50% of a width (B) of the inner ring segment (10) and/or at most 5 mm and/or circumferentially on both sides, in each case over at most 25% of a spacing (A) between adjacent guide vanes (20), at and/or in which at least one cavity (112) is configured which contains at least one impulse element (100) with clearance of motion for providing impact contacts.