Abstract: The invention relates to a method and a device for depositing a metal coil (200) on two stationary support points (110-1; 110-2). In order to be able to deposit even metal coils that have high internal residual stress in a stable manner on the two support points, according to the invention, a third support point (140) is pivoted against the outer circumference of the metal coil (200) if needed).

Abstract: The invention relates to a roll arrangement for use in metallurgical technology, comprising a roll that has a roll barrel and two roll necks, and at least one neck bushing for accommodating at least one of the roll necks in a rotationally fixed manner. A carrier element that functions as a form-locking rotationally fixed connection is arranged between the roll neck and the neck bushing. In order to increase the load-bearing capacity of the roll bearing without increasing the size of or the mounting space for the roll bearing and at the same time ensure easy assembly, the roll neck is mounted in the neck bushing with some radial play such that a circumferential cavity is formed between the neck bushing and the roll neck in the unloaded stated as a result of the radial play. In order to increase the size of the cavity, the roll neck or the inner surface of the neck bushing additionally has a concave contour or profile.

Abstract: A device and a method for measuring thickness in horizontal strip casting installations for casting strip or sections. A measuring device measures the thickness of the liquid or pasty melt in the mold. The measuring device operates without contact by a laser and an optical sensor that are arranged so that the surface of the liquid or pasty melt is monitored, whereby the thickness distribution over an entire width of the melt is measured. A measuring signal is generated, and a control signal is generated based on the measuring signal in order to control a device for distributing the melt.

Abstract: A roll stand (1) with at least one upper and one lower roll (2, 3) supported by respective backing rolls (4, 5) mounted on a common roll frame (8) and in bearings that are vertically displaceable with respect to each other for setting different roll gaps, with at least one axial shifter for one of rolls (2, 3) and with at least one bender comprising a bending cylinder (16) for bending the upper roll (3) is characterized in that the bender comprises horizontal traverses (12) and bending arms (13) at each ends of the upper roll (3), whereby for setting the roll gap height between rolls (2, 3) the roll (3) is guided by bending arms (13).

Abstract: A method for determining a registration error of a feature on a mask, including providing a first aerial image that was captured by means of a position measuring device and includes at least the feature, simulating, from pattern specifications of the mask, a second aerial image that includes at least the feature, taking into account at least one effect that causes distortion of the first aerial image, and determining the registration error of the feature as the distance of the position of the feature in the first aerial image from the position of the feature in the second aerial image. Also provided is a method for simulating an aerial image from pattern specifications of a mask and a position measuring device for carrying out the method.

Abstract: The invention relates to a method and a device for optically measuring the interior of a seamless pipe which is manufactured by rolling or of a pipe which is welded with a longitudinal seam and is manufactured from sheet-metal plates shaped to form half-shells or from a shaped sheet-metal plate or from a metal strip which is unwound from a coil, comprising a sensor means (9) which emits a laser beam (10) in the interior of the pipe (3). In such a method and device, an internal measurement of seamless pipes or pipes which are welded with a longitudinal seam is to be provided with which it is easily possible to determine and model precisely the ovalness and straightness of the pipe (3) in a station.

Abstract: There is provided an autofocus device for an imaging device which has an imaging lens system with a first focal plane, an object stage for holding an object and a first movement module for the relative movement of object stage and imaging lens system, wherein the autofocus device comprises an image-recording module with a second focal plane the position of which relative to the first focal plane is known, a second movement module for the relative movement of object stage and image-recording module, a focus module for producing a two-dimensional, intensity-modulated focusing image in a focus module plane which intersects the second focal plane and a control module which controls the image-recording module for focusing the imaging device, which then records a first two-dimensional image of the object together with the focusing image during a predetermined first exposure time, and wherein the control module, using the first two-dimensional image recorded by means of the image-recording module and taking into

Abstract: The invention relates to a device and a method for handling a metal strip. The device comprises a coiling device (110) with a coiling mandrel (112) for winding the metal strip to form a coil (200) on the coiling mandrel and a coil stripper car (120) with supports (124) for receiving the coil (200) from the coiling mandrel and removing the coil from the coiling device (110). In order to additionally secure the metal strip in the coiling device during the transfer from the coiling mandrel onto the coil stripper care and during a transport by means of the coil stripper car, a first hold-down arm (130) is provided for exerting a first hold-down force (F1) onto the outer circumference of the coil (200) in order to press the coil onto the supports of the coil stripper car.

Abstract: In a method for operating an indirect extrusion press, wherein the indirect extrusion press includes an indirect punch having a tool head that can be accommodated on the indirect punch, a closure piece, and a longitudinally movable block holder having a material block accommodation for accommodating a material block, after pressing a material block and forming a shell in a shell chamber, a tool head to be replaced is pushed out of the block holder by a tool head to be inserted, so that very operationally reliable removal of a shell formed during one or more pressing procedures is possible. For this purpose, an indirect extrusion press can have a maximal distance between a closure piece and an indirect punch that corresponds at least to the sum of the expanses of the tool head and of the block holder in the movement direction.

Abstract: The invention relates to a device for lateral guidance of a rolled strip transported on a roller bed, particularly a hot rolled strip in front of a winding device (3), having parallel first and second side guides provided on both sides of the rolled strip, said side guides being movable toward or away from one another by adjusting means that are adjustable independently of one another; the invention is characterized in that a control device (14, 15, 16), to which operating forces and/or positions of the side guides and/or of the rolled strip can be fed as output values in the guidance of the rolled strip, is provided for damping the periodic deviation of the rolled strip, and in that the control device (14, 15, 16) controls the positions of the side guides and/or forces that the side guides exert on the rolled strip based on the measured output values.

Abstract: A microscope includes an illumination unit for illuminating a mask at a predetermined non-axial illumination angle, an imaging unit for imaging an aerial image of the mask within a predetermined defocus region, and an imaging field stop, in which as a result of the lateral displacement of the aerial image depending on the position within the defocus region and on the non-axial illumination angle, the opening of the imaging field stop is dimensioned such that the aerial image is either completely encompassed or circumferentially cut within the defocus region. A method for characterizing a mask having a structure includes illuminating the mask at at least one illumination angle using monochromatic illumination radiation such that a diffraction image of the structure is created, recording the diffraction image, establishing the intensities of the maxima of the adjacent orders of diffraction, and establishing an intensity ratio of the intensities.

Abstract: The invention relates to a sealing device for installation in a roll arrangement between the roll journals of a roll and chock. The sealing device has an annular main body having sealing rims that extend radially outwards. Furthermore, the sealing device has an annular reinforcement element having a strip-like section which coaxially surrounds the main body on the outer side thereof. In order to ensure the dimensional stability and thus also the function of the sealing device even after the installation thereof in the roll arrangement, that is to say after said sealing device has been pushed onto the frustroconical roll journals, the reinforcement element according to the invention has, in addition to the coaxial strip-like section, at least one flange which is connected thereto and is connected to the sealing rim. Furthermore, the invention relates to said roll arrangement.

Abstract: A method for analyzing a photomask comprises the determination of a Bossung plot.

Abstract: The invention relates to a rolling system for rolling strip-shaped rolling stock, comprising at least one first (1, 5) and one second reel (20), and at least one reversing frame (8, 13) between the two reels (1, 5, 20) and comprising associated coil transport means (22, 23, 28) for feeding or removing coils of the rolling stock to and from the respective coil transfer stations (24, 29), if present, and comprising transverse transport means (27) for the coil transport between the coil transfer stations (24, 29, 30). The invention is characterized in that a single common coil transport means (25), by which the coils can be transported from or to the transverse transport means (27), is disposed downstream of the coil transfer stations (24, 29).

Abstract: A method for lubricating rolls, especially work rolls (2, 3) of a rolling stand, and rolling stock (6) passed between the rolls during the rolling operation, in which a lubricant-gas mixture, a lubricant-water-gas mixture, a lubricant-water mixture and/or a grease-medium mixture is applied to the rolls (2, 3) or the rolling stock (6) on the run-in side of the rolling stand, is characterized by the fact that the mixture is prepared with at least one mixing device (14, 17, 27, 29, 31, 35) in the area upstream of the rolling stand.

Abstract: A temperature sensor is provided which comprises a measurement light source for generating measurement light and two optical waveguides. The two optical waveguides are arranged such that they respectively receive a measurement light portion of the measurement light and that the measurement light portions are superimposed after passing through the optical waveguides. Furthermore, the two optical waveguides have an optical property with different temperature dependency.

Abstract: In order to minimize the maintenance effort that accompanies discharge and comminution of a chip, an apparatus for discharge and comminution of a chip has a chip guide and a comminution apparatus, to which the chip guide guides the chip along a chip path. The chip guide has a guide channel that circumferentially surrounds the chip path having a channel inlet and a channel outlet, wherein the guide channel has a maintenance opening in addition to the channel inlet and the channel outlet. Furthermore, a method for discharge and comminution of a chip for this purpose services the guide channel by way of the maintenance opening after discharge and comminution of a chip having a predetermined chip length.

Abstract: The invention relates to a polishing device (1) for polishing a metal product (2), in particular a continuously cast slab, billet, or block. The aim of the invention is to achieve a high polishing rate when said metal products are polished. According to the invention, this is achieved in that the polishing device (1) has at least two polishing assemblies (3, 4), each polishing assembly (3, 4) having a mounting (5, 6) for a polishing unit (7, 8). A polishing unit has at least one polishing disk (9, 10) and a driving motor (11, 12) that drives the polishing disk (9, 10). The polishing disks (9, 10)arranged such that the rotational axes (A, B) of said disks run parallel to each other.

Abstract: The invention relates to a method of producing a metal strip (1) in a plant, comprising a continuous casting plant (2), a first furnace (3), a second furnace (4) and an adjoining rolling mill (5).

Abstract: Method and system is disclosed for communicating anonymously between devices. The method includes storing a finite plurality of alias addresses in a database, provisioning a first alias of the finite plurality of alias addresses for a recipient device having a first real address in response to a request from an originating device, transmitting the first alias to the originating device, receiving a message from the originating device addressed to the first alias, identifying a real address associated with the first alias within the database, associating a second alias of the finite plurality of alias addresses for an originating device having a second real address within the database, associating the received message from the originating device with the first real address and the second alias within the database, and transmitting the received message to the recipient device associated with the first real address, wherein the transmitting includes providing the second alias as an originating address.