Abstract: The invention relates to a method for machining a workpiece by means of a milling tool arranged on a rotatable spindle, the spindle being moved relative to the workpiece or the workpiece being moved relative to the spindle along a machining path and, at the same time, the spindle rotating about a spindle axis. In said method, an improvement in the surface quality is achieved by controlling the rotational speed and/or the phase position of the rotation of the spindle along the machining path, the machining path comprising linear parallel tracks and the phase position of the spindle along the machining path being substantially the same on adjacent tracks, the phase position being controlled by varying the rotational speed of the spindle and/or the advancing speed of the spindle relative to the workpiece along the machining path.

Abstract: Methods and systems for monitoring at least one crane, preferably two or more cranes, in particular revolving tower cranes, on a construction site, wherein one or more optical detection means are provided, and wherein a collision monitoring unit analyzes the recorded optical data to recognize a possible collision between at least one crane and one further crane and/or another projecting edge.

Abstract: The invention relates to a method for machining a workpiece by means of a milling tool arranged on a rotatable spindle, the spindle being moved relative to the workpiece or the workpiece being moved relative to the spindle along a machining path and, at the same time, the spindle rotating about a spindle axis. In said method, an improvement in the surface quality is achieved by controlling the rotational speed and/or the phase position of the rotation of the spindle along the machining path, the machining path comprising linear parallel tracks and the phase position of the spindle along the machining path being substantially the same on adjacent tracks, the phase position being controlled by varying the rotational speed of the spindle and/or the advancing speed of the spindle relative to the workpiece along the machining path.

Abstract: The present invention relates to a structural frame of a crane, lifting device, material handler or a similar machine, comprising at least one elongate structural-frame strut. The invention also relates to such a machine comprising such a structural frame. According to a first aspect, it is proposed not to weld or screw a separate doubled panel or separate retaining lugs to the structural-frame element as a reinforcement, but rather to provide the structural-frame strut with integrally formed, seam-free reinforcement layers in the required, highly loaded region, in order to achieve an organically produced increase in wall thickness and/or cross section in a smooth and harmonious manner. These reinforcement layers are produced using 3D printing.

Abstract: The present invention relates to a crane tower comprising a crane tower base, which has a crane tower or a crane tower element fixed thereto and from which the crane tower extends upwards, and a tension element for bracing the crane tower 1 on the crane tower base. The tension element has one of its two ends connected to the crane tower base and its respective other end connected to the crane tower or to a coupling element that is connected to the crane tower. The crane tower is characterized in that the tension element extends outside of the crane tower. It is thus possible to reduce the dimensions of the crane tower without causing any change of bending resistance or to increase the bending resistance on the basis of the same dimensions.

Abstract: The present invention relates to an apparatus for anchoring a work machine to a foundation that comprises a mounting plate (1) for placing onto a foundation (6), a counter-plate (2) for casting in the foundation (6), a hollow pipe (3) that connects the mounting plate (1) to the counter-plate (2) and is accessible toward its inner side from the side of the mounting plate (1) remote from the counter-plate (2), and a tensile element (4) for introducing into the hollow pipe (3), with the tensile element (4) being releasably anchorable to the counter-plate (2) by a rotational movement. The apparatus is characterized in that it comprises an element providing security against rotation (5) that is connected to an outer contour of the tensile element (4) and arranges it in a rotationally fixed manner. An unintentional release of the tensile element (4 from an anchoring means connected to the counter-plate (2) is suppressed by this apparatus.

Abstract: The invention relates to a method of monitoring at least one crane, preferably two or more cranes, in particular revolving tower cranes, on a construction site, wherein one or more optical detection means are provided, and wherein a collision monitoring unit analyzes the recorded optical data to recognize a possible collision between at least one crane and one further crane and/or another projecting edge.

Abstract: A surrounding frame can be attached to a crane tower of a tower slewing crane and can connect the tower slewing crane to an object, for example a building, having a flexurally stiff connection element and a latching element. The connection element is provided in the form of an element that horizontally supports the crane tower in the anchorage plane at two outer sides. A method of assembling the surrounding frame and a use of a surrounding frame for connecting a tower slewing crane to an object are also described.

Abstract: The present invention relates to an apparatus for anchoring a work machine to a foundation that comprises a mounting plate (1) for placing onto a foundation (6), a counter-plate (2) for casting in the foundation (6), a hollow pipe (3) that connects the mounting plate (1) to the counter-plate (2) and is accessible toward its inner side from the side of the mounting plate (1) remote from the counter-plate (2), and a tensile element (4) for introducing into the hollow pipe (3), with the tensile element (4) being releasably anchorable to the counter-plate (2) by a rotational movement. The apparatus is characterized in that it comprises an element providing security against rotation (5) that is connected to an outer contour of the tensile element (4) and arranges it in a rotationally fixed manner. An unintentional release of the tensile element (4 from an anchoring means connected to the counter-plate (2) is suppressed by this apparatus.

Abstract: The present invention relates to a crane tower comprising a crane tower base, which has a crane tower or a crane tower element fixed thereto and from which the crane tower extends upwards, and a tension element for bracing the crane tower 1 on the crane tower base. The tension element has one of its two ends connected to the crane tower base and its respective other end connected to the crane tower or to a coupling element that is connected to the crane tower. The crane tower is characterized in that the tension element extends outside of the crane tower. It is thus possible to reduce the dimensions of the crane tower without causing any change of bending resistance or to increase the bending resistance on the basis of the same dimensions.

Abstract: A tower crane, and in particular a hammerhead crane, having at least one crane operator elevator, wherein the at least one crane operator elevator is arranged inside the rectangular cross section of the crane tower.

Abstract: A crane, in particular a tower crane, with a boom rotatable about an upright slewing gear axis and an out-of-service brake which permits and slows down the rotary movements of the boom in the out-of-service condition. The out-of-service brake is formed to operate in a rotational-speed-dependent manner such that with a greater rotational speed of the crane the applied braking torque is greater than with a smaller rotational speed of the crane.

Abstract: A surrounding frame can be attached to a crane tower of a tower slewing crane and can connect the tower slewing crane to an object, for example a building, having a flexurally stiff connection element and a latching element. The connection element is provided in the form of an element that horizontally supports the crane tower in the anchorage plane at two outer sides. A method of assembling the surrounding frame and a use of a surrounding frame for connecting a tower slewing crane to an object are also described.

Abstract: The invention relates to a method for recording medical images, in particular ultrasound images, of a moving object, in particular of a heart, said method comprising the following steps: generating a movement signal that dynamically represents the state of movement of the moving object, identifying the phase position and the frequency of the moving object on the basis of the movement signal, reconstructing the images on the basis of the phase position and of the frequency and/or carrying out at least one scan of the moving object, with the recording times being adjusted according to the phase position and the frequency of the moving object.

Abstract: A device and to a method for navigation in a multi-dimensional image data set of an object, obtained by a medical imaging method, including depicting a randomly selectable first visual plane through the image data set as the first sectional image, in which a user can navigate and designate a point by means of an input device, and depicting, in addition to the first sectional image, a further, second sectional image, including another point, designated by the user in the first sectional image, in a second visual plane which intersects the image data set at that angle that corresponds to the perspective obtained during the recording of the image data set at the designated point.

Abstract: A tower crane, and in particular a hammerhead crane, having at least one crane operator elevator, wherein the at least one crane operator elevator is arranged inside the rectangular cross section of the crane tower.

Abstract: The present invention relates to a crane, in particular a tower crane, with a boom rotatable about an upright slewing gear axis and an out-of-service brake which permits and slows down the rotary movements of the boom in the out-of-service condition. According to the invention, the out-of-service brake is formed to operate in a rotational-speed-dependent manner such that with a greater rotational speed of the crane the applied braking torque is greater than with a smaller rotational speed of the crane.

Abstract: A device and to a method for navigation in a multi-dimensional image data set of an object, obtained by a medical imaging method, including depicting a randomly selectable first visual plane through the image data set as the first sectional image, in which a user can navigate and designate a point by means of an input device, and depicting, in addition to the first sectional image, a further, second sectional image, including another point, designated by the user in the first sectional image, in a second visual plane which intersects the image data set at that angle that corresponds to the perspective obtained during the recording of the image data set at the designated point.

Abstract: The invention relates to a method for recording medical images, in particular ultrasound images, of a moving object, in particular of a heart, said method comprising the following steps: generating a movement signal that dynamically represents the state of movement of the moving object, identifying the phase position and the frequency of the moving object on the basis of the movement signal, reconstructing the images on the basis of the phase position and of the frequency and/or carrying out at least one scan of the moving object, with the recording times being adjusted according to the phase position and the frequency of the moving object.

Abstract: The present invention relates to a method, a device and a computer program product for evaluating medical image data sets, which consists of two-dimensional section images, in particular MR images, wherein a plurality of two-dimensional cross-sections (K1, K2, . . . Kn) and at least one two-dimensional longitudinal section (L1) of a target region (1) of a human or animal body are recorded and stored, a longitudinal axis (5) and points of intersection (6) are determined at the points at which the longitudinal axis (5) extends through the plurality of two-dimensional cross-sections (K1, K2 . . . Kn) and a reduced data volume (7) is generated, which is composed of partial cross-sections (k1, k2, . . . kn), which are generated by means of the points of intersection (6) and scaling factors (a1, a2, b1, b2) from the plurality of two-dimensional cross-sections (K1, K2, . . . Kn).