Abstract: The invention relates to a method and a system for the metal coating of a bore wall of a bore in a workpiece by means of atmospheric plasma spraying, wherein a coating lance having an anode and a cathode is moved axially into the bore and, in doing so, is rotated about its longitudinal axis, between the anode and the cathode an arc is produced, into which a plasma gas mixture is introduced and ionized, wherein a plasma flow is produced, a coating powder is supplied into the plasma flow and the plasma flow with the particles is sprayed onto the bore wall and on the bore wall a coating is formed. According to the invention provision is made in that the coating lance is moved into the bore at an axial feed speed and is rotated at a rotational speed of 420 rpm to 520 rpm and, at a volume flow of plasma gas mixture of 30 l/min to 70 l/min, coating powder is injected at a supply rate of 90 g/min to 130 g/min.

Abstract: The invention relates to a sensor device for examining the coating of a disc as part of a coating process. The sensor device comprises a first optical sensor system for determining the layer thickness of the coating applied to the disc, and comprises a rotation apparatus. The invention is characterized in that the first optical sensor system is designed to simultaneously identify at least one first position-based measured value and one second position-based measured value, the first and the second position-based measured value describing the distance between the sensor systems and the surface of the disc. As a result of this, the sensor system is configured such that the first position-based measured value of a coated region of the disc and the second position-based measured value of an uncoated region of the disc are identified. Furthermore, the first optical sensor system comprises at least one linear guide, which extends from the central region to the edge.

Abstract: The invention relates to a system and to a method for coating workpieces using a coating device, which is designed to apply a metal coating to a surface of the workpiece. According to the invention, it is provided that a plurality of coating devices, which are designed as identical coating modules, are provided and are arranged in a module group, that an input measuring station is assigned to the module group, by means of which station a surface of the face of the workpiece to be coated can be detected, that a conveying apparatus is provided, by means of which a workpiece can be supplied to one of the coating modules from the input measuring station, and that an output measuring station is assigned to the module group, by means of which station a surface of the coated face of the workpiece can be detected.

Abstract: A method for roughening a cylinder bore wall to be coated of a component, at least one groove, running around the central longitudinal axis, and at least one associated groove web, are generated such that the at least one groove web, in a radial direction directed toward the central longitudinal axis, forms first undercuts for a coating which is to be applied. Axial grooves running in the cylinder bore wall transversely to the at least one groove are generated such that the at least one groove web, in a peripheral direction about the central longitudinal axis, forms respective second undercuts for the coating which is to be applied. An adhesion of the coating which is to be applied, in the peripheral direction, is improved, so that stress cracks or detachments owing to a different thermal expansion of the component and of the coating which is to be applied are avoided.

Abstract: The invention relates to a method for coating cavity walls, in particular cylinder bores of engine blocks. In the method, a coating is applied to a cavity wall using a coating lance. In addition, a cavity diameter is measured using a measuring apparatus. According to the invention, the method is characterized in that at least a plurality of diameter values of a first cavity are measured at different heights of the first cavity using the measuring apparatus, and in that a coating of variable thickness is applied to a wall of the first or a second cavity using the coaling lance, the thickness of said coating of variable thickness being dependent on the determined diameter values. The invention additionally describes a corresponding coating system.

Abstract: The invention relates to a method and to a system for metal-coating at least one surface of a workpiece, in which before coating, a surface structure with peaks and troughs in the surface to be coated is detected by means of a measuring apparatus, the coating is carried out by means of at least one deposition apparatus, which is moved relative to the surface and applies coating material in the process, and the deposition apparatus is controlled by a control apparatus on the basis of the detected surface structure, wherein more material is applied in the region of troughs and less material is applied in the region of peaks.

Abstract: The invention relates to a coating device and to a method for metal-coating of workpieces, comprising a housing, which surrounds a working space, a retaining apparatus for retaining at least one workpiece in the working space, at least one deposition apparatus comprising a deposition nozzle for applying a metal powder to the workpiece surface to be coated, and a laser for locally melting the metal powder on the workpiece surface to form a coating, and at least one movement apparatus, by means of which the at least one deposition apparatus can be moved relative to the workpiece surface during the coating. Particularly efficient coating is made possible by at least two deposition apparatuses being arranged in the working space in the housing, which apparatuses are designed to simultaneously apply and melt metal powder.

Abstract: The invention relates to a coating device and to a method for metal-coating of workpieces, comprising a housing, which surrounds a working space, a retaining apparatus for retaining at least one workpiece in the working space, at least one deposition apparatus comprising a deposition nozzle for applying a metal powder to a workpiece surface to be coated, and a laser for locally melting the metal powder on the workpiece surface to form a coating, at least one movement apparatus, by means of which the at least one deposition apparatus can be moved relative to the workpiece surface during the coating, at least one air supply and at least one air discharge. According to the invention, it is provided that the air supply is arranged in an upper region of the working space above the workpiece and the air discharge is arranged in a lower region of the working space below the workpiece. In addition, a additional suction apparatus is provided with at least one suction opening, which is arranged close to the workpiece.

Abstract: The invention relates to a system and to a method for coating workpieces using a coating device, which is designed to apply a metal coating to a surface of the workpiece. According to the invention, it is provided that a plurality of coating devices, which are designed as identical coating modules, are provided and are arranged in a module group, that an input measuring station is assigned to the module group, by means of which station a surface of the face of the workpiece to be coated can be detected, that a conveying apparatus is provided, by means of which a workpiece can be supplied to one of the coating modules from the input measuring station, and that an output measuring station is assigned to the module group, by means of which station a surface of the coated face of the workpiece can be detected.

Abstract: The invention relates to a sensor device for examining the coating of a disc as part of a coating process. The sensor device comprises a first optical sensor system for determining the layer thickness of the coating applied to the disc, and comprises a rotation apparatus. The invention is characterized in that the first optical sensor system is designed to simultaneously identify at least one first position-based measured value and one second position-based measured value, the first and the second position-based measured value describing the distance between the sensor systems and the surface of the disc. As a result of this, the sensor system is configured such that the first position-based measured value of a coated region of the disc and the second position-based measured value of an uncoated region of the disc are identified. Furthermore, the first optical sensor system comprises at least one linear guide, which extends from the central region to the edge.

Abstract: The invention relates to a method and an arrangement for machining a workpiece with a surface, into which a groove structure with grooves and interposed ribs is introduced, wherein undesirable burrs can develop on the groove structure. According to the invention, for testing and determining the formation of burrs a measuring means is provided which emits a light to the surface of the groove structure and receives light reflected from the surface, wherein a degree of the burr formation is determined depending on the reflected light.

Abstract: The invention relates to a painting facility and a method for painting a workpiece, wherein, in a painting station, a coating is sprayed onto the workpiece by way of at least one painting device, and in an extraction station, which is arranged outside the painting station, air with overspray is extracted out of the painting station via an extraction device with a filter element, wherein overspray is separated out of the extracted air at the filter element. According to the invention it is provided that the exhaust air is led away via an extraction opening which is arranged in a lower region of the extraction station, wherein the filter element is placed onto the extraction opening, wherein the filter element is arranged approximately centrally in an extraction chamber of the extraction station. The invention further relates to a filter element provided for this purpose.

Abstract: A sensor device for the inspection of the surface of a cylindrical hollow enclosure having at least one sensor unit set up for an optical confocal distance measurement. The at least one sensor unit has an elongated shape and exhibits an external optical system, through which a measurement device in which light can be emitted and received, is disposed transversely to a longitudinal axis of this sensor unit. The sensor device additionally comprises a movement mechanism, which is adapted to move the at least one sensor unit in one direction of motion into and out of a cylindrical hollow enclosure to be inspected.

Abstract: The invention relates to an installation and a method for the metallic coating of a workpiece using a coating device, said coating device comprising a displaceable coating lance, by which a metal plasma jet can be generated to create a coating of metal particles. According to the invention, it is provided that the coating device with the coating lance and a measuring device for measuring the coating thickness are jointly integrated in the installation, and that the coating device with the coating lance as well as the measuring device are enclosed by a housing.

Abstract: The invention relates to a device and a method for the metallic coating of a work piece with a mobile coating lance (20), by means of which a metal plasma jet can be generated to create the coating consisting of metal particles. According to the invention, an extraction hood (30) is provided, which at least encloses an axial section of the coating lance (20) in a ring-shaped manner, and the extraction hood (30) has a ring-shaped holding unit (50), which is configured to take up the metal particles.

Abstract: The invention relates to a painting facility and a method for painting a workpiece, wherein, in a painting station, a coating is sprayed onto the workpiece by way of at least one painting device, and in an extraction station, which is arranged outside the painting station, air with overspray is extracted out of the painting station via an extraction device with a filter element, wherein overspray is separated out of the extracted air at the filter element. According to the invention it is provided that the exhaust air is led away via an extraction opening which is arranged in a lower region of the extraction station, wherein the filter element is placed onto the extraction opening, wherein the filter element is arranged approximately centrally in an extraction chamber of the extraction station. The invention further relates to a filter element provided for this purpose.

Abstract: An examining device for examining inner walls of a hollow body comprises: a rod-shaped camera device designed to record an image transversely with respect to its longitudinal axis; adjustment means for moving the camera device into and out of the hollow body; a grazing light illumination device for illuminating the inner walls and having emission directions that are transverse with respect to receiving directions, from which the camera device receives light from the illuminated inner walls, wherein an angle between the emission and receiving directions is between 45° and 135°; diameter determination means for determining an inner diameter of a cavity of the hollow body and comprising a light source and optical measuring means. Furthermore, a corresponding method for examining inner walls is described.

Abstract: A sensor device for the inspection of the surface of a cylindrical hollow enclosure having at least one sensor unit set up for an optical confocal distance measurement. The at least one sensor unit has an elongated shape and exhibits an external optical system, through which a measurement device in which light can be emitted and received, is disposed transversely to a longitudinal axis of this sensor unit. The sensor device additionally comprises a movement mechanism, which is adapted to move the at least one sensor unit in one direction of motion into and out of a cylindrical hollow enclosure to be inspected.

Abstract: The invention relates to a method for coating cavity walls, in particular cylinder bores of engine blocks, In the method, a coating is applied to a cavity wall using a coating lance. In addition, a cavity diameter is measured using a measuring apparatus. According to the invention, the method is characterized in that at least a plurality of diameter values of a first cavity are measured at different heights of the first cavity using the measuring apparatus, and in that a coating of variable thickness is applied to a wall of the first or a second cavity using the coaling lance, the thickness of said coating of variable thickness being dependent on the determined diameter values. The invention additionally describes a corresponding coating system.

Abstract: A test system for examining a hollow body, in particular a cylinder bore in an engine block, comprises a measuring apparatus comprising an elongate body and a plurality of sensors which are connected to the body and are set up to carry out a distance measurement. The test system also comprises electronic control means which are set up to move the measuring apparatus into a hollow body to be examined and to determine an internal diameter of the hollow body on the basis of distance measurement data from the sensors. In order to examine hollow bodies of different diameters, at least some of the sensors are in the form of movable sensors which can be moved relative to the elongate body of the measuring apparatus. The electronic control means are also set up to select a measuring position of the movable sensors relative to the elongate body on the basis of a hollow body to be examined.