Abstract: The present invention relates to an edge machining unit for a surface grinder, comprising: a plurality of cylindrical rotary brushes with a cylindrical surface and a plurality of brushes on said cylindrical surface, wherein each cylindrical rotary brush has a first axis of rotation, which corresponds to a central longitudinal axis of the cylindrical rotary brush, a first drive unit for driving each rotary brush in a rotational movement about its first axis of rotation, a plurality of second axes of rotation, which plurality is not parallel to the first axis of rotation, wherein each first axis of rotation is disposed so as to rotate about one of the second axes of rotation, a second drive unit for moving every first axis of rotation in rotation about its second axis of rotation, and a third axis of movement, wherein the second axes of rotation are guided for a movement guided by the third axis of movement, and a third drive unit for moving the second axes of rotation in a movement guided by the third axis of

Abstract: Grinding a surface of a workpieces is accomplished with a grinding machine having at least two grinding units. First, a target structure of the surface to be achieved is provided. Then, using predetermined grinding parameters, a first of the two grinding units is used to grind the surface of the structure. Then, the surface of the actual structure is captured and compared to the target structure. Based on the comparison, the grinding parameters are adjusted and the surface is then ground, using the adjusted parameters, with the second of the two grinding units.

Abstract: A grinding device is operated by grinding of a surface of the workpiece with at least one grinding medium while recording actual data of the surface after grinding with at least one data collection device. Actual data recorded during grinding is then compared with target data stored in an electronic memory in an electronic data processing device. Based on the comparison, adjustments are made to at least one grinding parameter if a deviation of the actual data from the target data exceeds a predetermined limit.

Abstract: A workpiece fixing device for fixing a workpiece by vacuum for machining thereof includes a support device on which the workpiece can be laid for fixing, and at least one vacuum chamber which is formed starting from the support device. The workpiece fixing device has a first fixing region and a second fixing region different from the first fixing region. The support device has a first support channel profile in the first fixing region and a second support channel profile different from the first support channel profile in the second fixing region.

Abstract: A dedusting device, such as for a sander, for dedusting particles from a narrow edge of a workpiece has a nozzle device designed to remove the particles from the edge with a blasting fluid. The nozzle device has at least one nozzle outlet opening through which the blasting fluid emerges for dedusting in a blasting region. An exhaust air device designed to extract by suction the particles removed from the narrow edge of the workpiece (has at least one exhaust air inlet opening through which a blasting fluid containing particles enters. A supporting device which, in the operating state, is used for the workpiece to bear against. The supporting device is arranged between the nozzle device and the exhaust air device.

Abstract: A grinding machine for grinding a surface of an object is described which has a plurality of grinding brushes which are rotatably mounted about a brush axis of rotation, at least one brush carrier on which at least one of the grinding brushes is mounted and which is rotatably mounted about a carrier axis of rotation, and a conveying device for conveying the object at a feed speed through the grinding machine. The grinding machine has an input device and an output device. A brush rotational speed about the brush axis of rotation and/or a carrier rotational speed about the carrier axis of rotation and/or the feed speed is/are adjustable by the input device, and an expected grinding result can be output by the output device.

Abstract: Grinding a surface of a workpieces is accomplished with a grinding machine having at least two grinding units. First, a target structure of the surface to be achieved is provided. Then, using predetermined grinding parameters, a first of the two grinding units is used to grind the surface of the structure. Then, the surface of the actual structure is captured and compared to the target structure. Based on the comparison, the grinding parameters are adjusted and the surface is then ground, using the adjusted parameters, with the second of the two grinding units.

Abstract: A grinding or sanding machine for grinding or sanding a surface of a workpiece includes a transportation device for transporting a work piece, a revolving grinding or sanding belt, and at least one pressure beam for exerting a pressure toward the transportation device. A plate is provided that is movable in a plane perpendicular to the direction in which pressure is exerted. The plate is disposed between the belt and the pressure beam. A drive device randomly moves the plate in plate movement directions in terms of either or both direction and speed.

Abstract: A grinding device is operated by grinding of a surface of the workpiece with at least one grinding medium while recording actual data of the surface after grinding with at least one data collection device. Actual data recorded during grinding is then compared with target data stored in an electronic memory in an electronic data processing device. Based on the comparison, adjustments are made to at least one grinding parameter if a deviation of the actual data from the target data exceeds a predetermined limit.

Abstract: A method for operating a grinding device includes grinding of a surface of the workpiece with at least one grinding medium. Actual data is recorded on a data collection device during grinding with the at least one grinding medium. The actual data is then compared with target data stored in an electronic memory in an electronic data processing device. From this comparison, a determination is made of the exchange time at which the at least one grinding medium is to be changed.

Abstract: The invention relates to a grinding machine for grinding a surface of an object, the grinding machine having a. a plurality of grinding brushes (2), i. which are rotatably mounted about a brush axis of rotation, b. at least one brush carrier (4), i. on which at least one of the grinding brushes (2) is mounted and which ii. is rotatably mounted about a carrier axis of rotation (6), and c. a conveying device for conveying the object at a feed speed through the grinding machine, wherein the grinding machine has an input device and an output device, wherein a brush rotational speed about the brush axis of rotation and/or a carrier rotational speed about the carrier axis of rotation (6) and/or the feed speed is/are adjustable by the input device, and an expected grinding result can be output by the output device.

Abstract: The present invention comprises a Grinding or sanding machine for grinding or sanding a surface of a workpiece (8), wherein the grinding or sanding machine has at least one transportation device for transporting a workpiece (8) in a transportation direction; at least one revolving grinding or sanding belt (2); and at least one pressure beam (12) for exerting a pressure in the direction of the transportation device on the grinding or sanding belt (2), wherein a plate (14) which is mounted so as to be movable in a plane that is perpendicular to the direction of the exertable pressure is disposed between the grinding or sanding belt (2) and the pressure beam (12).

Abstract: The present invention comprises a grinding machine (1) for grinding a surface of a workpiece (6), wherein the grinding machine (1) has at least one abrasive holder (2), on which at least one abrasive (4) is arranged, and at least one drive device for moving the abrasive holder (2), wherein the drive device has at least one drive shaft (12), on which an eccentric element (16) is arranged and which can be rotated about an axis of rotation (18), wherein the eccentric element (16) is arranged on the abrasive holder (2) at a distance from the axis of rotation (18), wherein it is possible to adjust the distance.

Abstract: The present invention comprises a grinding machine for grinding a metallic surface of a workpiece, wherein the grinding machine has at least one grinding apparatus, at least one transport belt (2) for transporting the workpiece through the grinding machine, and at least one suction device by means of which a workpiece lying on the transport belt (2) can be acted on with a negative pressure, wherein the suction device has an extraction chamber (14) which is arranged below the transport belt (2) and which has a base (16) which is inclined with respect to the horizontal.

Abstract: The present invention relates to a grinding machine for grinding a surface of a workpiece, having at least one transport device for transporting a workpiece in a transport direction through the grinding machine, and at least one grinding tool (2), wherein the grinding tool (2) has at least one brush with grinding bristles, wherein the grinding machine has a leveling unit.

Abstract: The present invention relates to a grinding machine for grinding a metallic surface of a workpiece, wherein the grinding machine has at least one grinding apparatus, at least one grinding table (2) with at least one transport belt (4) for transporting the workpiece through the grinding machine, and a housing in which the grinding apparatus is arranged, wherein the transport belt (4) is removable from the grinding machine, wherein the grinding apparatus and/or the grinding table (2) do not need to be removed from the grinding machine.

Abstract: The invention provides a culture device comprising a plurality of culture units, wherein each unit comprises a culture chamber, an inlet port for liquid supply of the culture and an outlet port for discharging liquid from the unit, wherein the inlet port is in fluid communication with the culture chamber and the culture chamber is in fluid communication with the outlet port for allowing a liquid flow through the culture chamber. The culture device is particularly suitable for testing immune cells and immunofunction in vitro. Aspects of the invention include a culture device and associated methods for cultivating immune cells and an in vitro method of analysing the effect of a test compound on immune cells.

Abstract: The invention provides a culture device comprising a plurality of culture units, wherein each unit comprises a culture chamber, an inlet port for liquid supply of the culture and an outlet port for discharging liquid from the unit, wherein the inlet port is in fluid communication with the culture chamber and the culture chamber is in fluid communication with the outlet port for allowing a liquid flow through the culture chamber. The culture device is particularly suitable for testing immune cells and immunofunction in vitro. Aspects of the invention include a culture device and associated methods for cultivating immune cells and an in vitro method of analysing the effect of a test compound on immune cells.

Abstract: The invention provides a culture system, which combines a device for undifferentiated proliferation of the cells with a device for cell differentiation and proliferation. Aspects of the invention include a modular culture system, a kit and an associated method for combining undifferentiated proliferation of cells with differentiation and proliferation of cells in a single, integrated device. The culture system has a first compartment comprising a plurality of miniaturized culture cavities that are sealed on one end by a surface that may be perforated, and a second compartment which defines one or more, larger culture chambers, and wherein said first and second compartment can be sterilely connected and living cell material can be transferred directly and in a controlled manner from the first compartment into the second compartment.

Abstract: The invention relates to a method for the non-invasive selection of single living cells under gentle conditions from mixtures of cells or cell cultures with respect to a specific production performance. To this end, the concentration of substances produced by the individual cells which become enriched at the cell membrane, such as reporter gene products (GFP) or specifically secreted products, such as antibodies, is determined by fluorescence-microscopic detection methods.