Abstract: A method for machining a workpiece is disclosed. The method includes fixing a workpiece on a workpiece carrier using an engaging and fixing element by adhering a first mold surface of the engaging and fixing element to an adhesive surface of the workpiece and by adhering a second mold surface of the engaging and fixing element to a contact and adhesive surface of the workpiece carrier. The method further includes machining the workpiece and releasing the first mold surface of the engaging and fixing element from the adhesive surface of the workpiece and releasing the second mold surface of the engaging and fixing element from the contact and adhesive surface of the workpiece carrier.

Abstract: The invention relates to a device (10) for electrochemically removing a surface of a component (2), in particular a blade of an integrally bladed rotor, comprising at least one electrode (12), which has an outer contour that corresponds to a surface of the component to be produced, and a hydraulic pressure device (14), which has a pressure piston (16) coupled to the electrode (12) and a hydraulic chamber (18) in operative connection with the pressure piston (16) for receiving the hydraulic medium, wherein the pressure piston can be loaded with an actuating force and moved relative to the hydraulic pressure device (14) by means of the hydraulic medium, wherein the hydraulic chamber (18) is fluidically encapsulated relative to the pressure piston (16). The invention further relates to a method for electrochemically removing a surface of a component (2).

Abstract: A device (2) having at least one connecting element (24, 26) for fastening a component (4) to, respectively for detaching it from a component carrier (6) using adhesive bonds; a mechanical peeling device (8) being provided for breaking the adhesive bonds. Also a method for fastening a component (4) to, respectively for detaching it from a component carrier (6).

Abstract: A method for repairing gas turbine components, in particular gas turbine blades, including at least the following steps: a) preparing a gas turbine component to be repaired; b) removing a damaged portion from the gas turbine component to be repaired, thereby forming a plane separation surface; c) placing the gas turbine component at least partly in a process chamber in such a way that the plane separation surface extends approximately horizontally within the process chamber; d) filling the process chamber with a metal powder that is bonding-compatible with the material of the gas turbine component to be repaired, namely up to the level of the separation surface; e) building up the removed portion on the separation surface by depositing metal powder in layers onto the separation surface and by fusing the metal powder, which has been deposited in layers onto the separation surface, to the separation surface.

Abstract: A device for fixing a component (4) in position on a component carrier (6) using a radiation-curing adhesive agent (8), in which case the radiation (30, 32) for curing the adhesive agent (8) located between the component carrier (6) and the component (4) is laterally introducible; as well as a method for fixing a component (4) in position in a component carrier (6) using an adhesive bond.

Abstract: A mounting device and method for mounting a component is disclosed. The mounting device includes a component carrier and an adapter. The adapter is insertable into a guide of the component carrier. The method uses the mounting device to mount a component on the mounting device.

Abstract: A method for electrochemically processing a workpiece surface using an electrode, which has at least one effective surface for processing the workpiece surface, and using an electrolyte, wherein the electrolyte is suctioned away from the effective surface. The invention further relates to an electrode, which has at least one electrolyte feed for supplying the electrolyte to the effective area and an electrolyte suctioning system for suctioning the electrolyte away from the effective area.

Abstract: A method for manufacturing a component, in particular a component of a turbine or a compressor, in which at least these steps are carried out: application in layers of at least one powdered component material to a component platform in the area of a buildup and joining zone; melting and/or sintering locally in layers of the component material by supplying energy with the aid of at least one electron beam in the area of the buildup and joining zone; lowering of the component platform in layers by a predefined layer thickness; and repeating steps a) through c) until completion of the component. During the manufacturing, electrons emitted due to the interaction of the electron beam with the component material are detected, after which material information, characterizing the topography of the melted and/or sintered component material, is ascertained on the basis of the emitted electrons.

Abstract: A device (2) having at least one connecting element (24, 26) for fastening a component (4) to, respectively for detaching it from a component carrier (6) using adhesive bonds; a mechanical peeling device (8) being provided for breaking the adhesive bonds. Also a method for fastening a component (4) to, respectively for detaching it from a component carrier (6).

Abstract: A joining device for arranging a component on a component carrier is disclosed. The joining device includes an application system for positioning the component in the joining device and a receptacle for clamping the component carrier in the joining device. The component is arranged on the component carrier by an adapter. A method for arranging the component on the component carrier is also disclosed.

Abstract: The invention relates to a device (10) for electrochemically removing a surface of a component (2), in particular a blade of an integrally bladed rotor, comprising at least one electrode (12), which has an outer contour that corresponds to a surface of the component to be produced, and a hydraulic pressure device (14), which has a pressure piston (16) coupled to the electrode (12) and a hydraulic chamber (18) in operative connection with the pressure piston (16) for receiving the hydraulic medium, wherein the pressure piston can be loaded with an actuating force and moved relative to the hydraulic pressure device (14) by means of the hydraulic medium, wherein the hydraulic chamber (18) is fluidically encapsulated relative to the pressure piston (16). The invention further relates to a method for electrochemically removing a surface of a component (2).

Abstract: A device for fixing at least one workpiece on at least one workpiece carrier is disclosed. The device has at least one engaging and fixing element designed as a mold for releasable arrangement between the workpiece and the workpiece carrier, where at least one first mold surface is designed for receiving a first volume of adhesive and for fixing an adhesive surface of the workpiece to the engaging and fixing element. At least one second mold surface of the engaging and fixing element is designed for receiving a second volume of adhesive and for fixing a contact and adhesive surface of the workpiece carrier to the engaging and fixing element. A method for machining workpieces is also disclosed.

Abstract: A gas turbine having at least one compressor, at least one combustion chamber, and at least one turbine, the or each compressor and/or the or each turbine having a rotor that includes rotor blades surrounded by a stationary housing, and a run-in coating being assigned to the housing is disclosed. The gas turbine includes at least one channel which is configured to apply a pressure prevailing on the high-pressure side of the blades of a rotor to a low-pressure side of the same in the area of a gap between the radially outer ends of the blades and the housing and thereby prevent a flow through the gap.

Abstract: A device for fixing a component (4) in position on a component carrier (6) using a radiation-curing adhesive agent (8), in which case the radiation (30, 32) for curing the adhesive agent (8) located between the component carrier (6) and the component (4) is laterally introducible; as well as a method for fixing a component (4) in position in a component carrier (6) using an adhesive bond.

Abstract: A method for repairing gas turbine components, in particular gas turbine blades, including at least the following steps: a) preparing a gas turbine component to be repaired; b) removing a damaged portion from the gas turbine component to be repaired, thereby forming a plane separation surface; c) placing the gas turbine component at least partly in a process chamber in such a way that the plane separation surface extends approximately horizontally within the process chamber; d) filling the process chamber with a metal powder that is bonding-compatible with the material of the gas turbine component to be repaired, namely up to the level of the separation surface; e) building up the removed portion on the separation surface by depositing metal powder in layers onto the separation surface and by fusing the metal powder, which has been deposited in layers onto the separation surface, to the separation surface.

Abstract: A method for producing a high-pressure turbine rotor, as well as a turbine rotor, is disclosed. The turbine rotor is designed as a blisk (i.e., bladed disk) and forms a radially inward disk and several vanes or blades that project from the disk. The turbine rotor has an internal duct system for air cooling and at least one section of the turbine rotor is manufactured in a generative production process.

Abstract: A method for producing a cast part from metal, a metal alloy or from plastic, with at least one complex internal structure, in particular with at least one hollow space, by at least one casting mold, is disclosed. The method includes the following steps: a) providing at least one core element, wherein the core element peripherally reproduces the complex internal structure and has a metallic layer on its outer periphery; b) forming a first casting mold or negative mold for producing a positive mold reproducing the cast part, with one or more cast-in core elements; c) casting an enclosure around the positive mold to form a second casting mold or negative mold of the cast part and removing the positive mold; d) filling the casting mold or negative mold with casting material and cooling the casting material down; and e) removing the enclosure and removal of the cast part.

Abstract: A gas turbine having at least one compressor, at least one combustion chamber, and at least one turbine, the or each compressor and/or the or each turbine having a rotor that includes rotor blades surrounded by a stationary housing, and a run-in coating being assigned to the housing is disclosed. The gas turbine includes at least one channel which is configured to apply a pressure prevailing on the high-pressure side of the blades of a rotor to a low-pressure side of the same in the area of a gap between the radially outer ends of the blades and the housing and thereby prevent a flow through the gap.

Abstract: A guide blade segment of a gas turbine, having at least one guide blade and having an inner cover band assigned to the radially inner end of the or each guide blade, is disclosed. An integral constituent part of the inner cover band of the guide blade segment is a sealing element, which serves to seal a radially inner gap between the guide blade segment and a gas turbine rotor.