Abstract: A clamping apparatus includes a spindle body and a nut element to be screwed together for decreasing a spacing between first and second clamping elements to clamp an object disposed therebetween. The nut element has roller bodies with a defined roller engagement structure axially rotatably secured on a receiving body of the nut element and distributed in circumferential direction. A plurality of engagement regions distributed and/or spaced apart on the spindle body each have one spindle body engagement structure. The roller engagement structures of the roller bodies engage or can engage the spindle body engagement structures of the spindle body. The nut element can be screwed to the spindle body by the mutually engaged engagement structures of the spindle body and of the roller bodies, in particular with rolling of the roller bodies on the spindle body. An apparatus and a vise having the clamping apparatus are also provided.

Abstract: A device for heat-treating shrink chucks for shank tools includes a receiving device for a shrink chuck, a heat treatment unit, and a measuring/computing unit for temperature measurement. The measuring/computing unit has a temperature sensor measuring a shell temperature of a shrink chuck in the receiving device, and a reflection sensor. The measuring unit applies a current test pulse before heat treatment on the shrink chuck in the heat treatment unit. A time/current curve ascertained for the test pulse is taken as a magnetic fingerprint for the shrink chuck in the heat treatment unit. An item of geometrical information for the shrink chuck is ascertained using the magnetic fingerprint. A reflection measurement is performed on the shrink chuck in the heat treatment unit. A temperature measurement on the shrink chuck performed by the temperature sensor in the heat treatment unit is corrected by the reflection measurement.

Abstract: An apparatus cools and/or dries a shrink chuck and a method cools and/or dries a tool holder. The apparatus has a cooling attachment which can be fitted over the shrink chuck with the lower end thereof. In the region of the lower end of the cooling attachment guiding elements are arranged such that a first cooling fluid flow can be guided into an interior, which can receive the shrink chuck, of the cooling attachment while producing a turbulent flow which can be brought about by the guiding elements. In the method, the tool holder is dried and/or cooled by a first cooling fluid flow from a first cooling fluid. The first cooling fluid flow flows in the form of a turbulent flow axially in the direction of a tool receiving opening of the tool holder along the tool holder.

Abstract: A receptacle for a rotating tool includes a rotationally symmetrical, hollow-cylindrical receptacle main body. A through-pipe, which is braced in particular in relation to the receptacle main body, is disposed in a cavity of the receptacle main body so as to be spaced apart from a cylinder barrel of the hollow-cylindrical receptacle main body.

Abstract: The grinding disc receptacle has a rotationally symmetrical, hollow-cylindrical receptacle main body. A through-pipe, which is braced in particular in relation to the receptacle main body, is disposed in the cavity of the receptacle main body so as to be spaced apart from the cylinder barrel of the hollow-cylindrical receptacle main body.

Abstract: A balancing adapter for a balancing device has a clamping device for clamping a workpiece. The clamping device has a clamping sleeve element with a clamping sleeve, and a clamping element that can be moved relative to the clamping sleeve element. The clamping sleeve has a taper, and the clamping element has a mating taper corresponding to the clamping sleeve taper. The clamping diameter of the clamping sleeve can be adjusted, and thus a workpiece can be clamped, by moving the clamping element relative to the clamping sleeve element. The clamping sleeve element is releasably connectable to a base body of the balancing adapter. Accordingly, for connection to the base body, the clamping sleeve element has an annular flange by which, in the connected state of the clamping sleeve element and the base body, the clamping sleeve element rests on an end wall of the base body.

Abstract: A coupling element for receiving a probe tip in a probe measuring apparatus has a journal at one end with a first connecting/coupling region. A screw insert has a first connecting/coupling region at one end with a recess, in particular for connecting to the coupling element 16. The journal of the coupling element forms, on an outer surface, or the recess of the screw insert forms, on an inner surface, multiple thread segments or respectively which do not adjoin one another in a radial circumferential direction. A probe measuring apparatus includes the coupling element, the screw insert, a coupling arm/measuring shaft, and a probe insert connected to the coupling arm by way of the coupling element and the screw insert.

Abstract: A clamping chuck for clamping tools having a tool shank includes a sleeve portion which is open at its free end, is preferably composed of electrically conductive material and forms a tool-holding fixture for frictionally locking fixing of the tool shank in a press fit by shrink-fitting. The sleeve portion, preferably over an entire axial length of the tool-holding fixture, includes an inner sleeve and an outer sleeve. The outer sleeve receives the inner sleeve in an operationally ready state, is joined thereto without play, and is preferably also composed of an electrically conductive material.

Abstract: A tool holder having a main body for coupling the tool holder to the spindle of a machine tool and having a clamping surface connected thereto for clamping a tool, characterized in that the tool holder has at least one portion shaped in one piece by primary shaping, which in its interior has one or more cavities that form an enclave in the portion shaped by primary shaping.

Abstract: A device for heating adapters for mounting tools for use in machine tools. The device comprises a base part in which an adapter for inserting or removing a tool is arranged such that the insertion direction of the tool extends towards the base part. The device also comprises a heating part designed for heating the adapter arranged in the base part, the base part and the heating part being displaceable relative to one another in the insertion direction of the tool. The base part comprises a mounting device for retaining the adapter in a fixed manner on the base part during heating. The adapter and the mounting device are provided with elements for interlocking interaction for retaining the adapter on the base part.

Abstract: In order to improve a usage of machine tool components, it is provided that the machine tool component is formed at least partially, in particular essentially, or alternatively completely from an amorphous metal. It is provided that the tool component is produced using injection molding or 3D printing or plastic deformation.

Abstract: An appliance for heat treatment or inductive heating or cooling of shrink chucks for shaft-type tools or a shrinkage appliance or cooling appliance or shrinkage appliance with a cooling appliance, includes a receiving device or opening receiving a shrink chuck, a heat treatment unit surrounding the receiving device relative to a central axis, an induction coil arrangement or cooling unit, and a measuring unit for temperature measurement of the shrink chuck. For exactly measuring shell temperatures of chucks in receiving openings, the measuring unit has temperature sensors around the receiving device or one temperature sensor inclined around the central axis for contactless detection of the shell temperature, or the measuring unit has sensors around the receiving device including a first temperature sensor for contactless detection of a shell temperature, and a different type of second sensor for detecting another property of the shrink chuck in the receiving device.

Abstract: A clamping device for clamping an article or workpiece to be balanced includes a clamping apparatus for clamping the article. The clamping apparatus has an adjusting device for adjusting the clamping diameter of a clamping body of the clamping apparatus for clamping the article on a placement surface. The clamping body has a disk-shaped spring element sprung in radial direction with a centrally disposed clearance forming at least one spring element cone. The clamping body also has a clamping element inserted into the clearance and having at least one corresponding clamping element cone. The adjusting device has an actuating device for displacing the clamping element relative to the spring element, for moving the cone surfaces of the clamping element cone and the spring element cone relative to one another and for consequently clamping and/or unclamping the spring element in radial direction by the cone surfaces.

Abstract: The invention relates to a threaded insert for securing a tool provided with a securing thread in a tool receiving area. The threaded insert contains a receiving opening with an inner thread for screwing in the tool at the front end face. According to the invention, the threaded insert has a plug-in region which tapers towards the rear end face and which comprises an outer support surface, and at least one depression for receiving an adhesive is arranged on the outer contact surface. The invention additionally relates to a receiving element for such a threaded insert and to a tool receiving area comprising such a threaded insert and a corresponding receiving element.

Abstract: The invention relates to a collet chuck (1) for clamping a preferably cylindrical tool shank with a chuck body (2) of a collet (3) and an union nut (4), which are matched in such a way that the collet (3) can be driven into the chuck body (2) by tightening the union nut (4) such that it secures the tool shank in the collet chuck (1) ready for operation, wherein the collet (3) and the union nut (4) are permanently connected to one another and at the same time connected in a rotatable manner relative to one another.

Abstract: A chucking apparatus for chucking an object contains a basic body which has a receiving space in which the object can be disposed. A chucking device is provided with a chucking nut which is screwable onto the basic body and by the chucking nut being screwed onto the basic body the object disposed in the receiving space can be chucked non-rotatably. The chucking nut has a plurality of roller bodies having a defined roller engagement structure. The roller bodies are held in an axially rotatable manner on a chucking body of the chucking nut and are arranged distributed in the circumferential direction on the chucking nut. The rollers by their roller engagement structure are in engagement with the basic body engagement structure of the basic body.

Abstract: A tool holder has a base element, a deformable receiver for clamping a tool and at least one locking element configured for preventing an axial extraction of the tool from the tool holder through engaging a corresponding opposite element at the tool. The at least one locking element is integrally configured in one piece with the receiver.

Abstract: A tool holder comprising a base element, a deformable receiver for clamping a tool and at least one locking element configured for preventing an axial extraction of the tool from the tool holder through engaging a corresponding opposite element at the tool, wherein the at least one locking element is integrally configured in one piece with the receiver.

Abstract: A coupling element for receiving a probe tip in a probe measuring apparatus has a journal at one end with a first connecting/coupling region. A screw insert has a first connecting/coupling region at one end with a recess, in particular for connecting to the coupling element 16.The journal of the coupling element forms, on an outer surface, or the recess of the screw insert forms, on an inner surface, multiple thread segments or respectively which do not adjoin one another in a radial circumferential direction. A probe measuring apparatus includes the coupling element, the screw insert, a coupling arm/measuring shaft, and a probe insert connected to the coupling arm by way of the coupling element and the screw insert.

Abstract: A device for cooling a shrink-fit chuck with a cooling head, which contains a cooling attachment that can be mounted on the shrink-fit chuck and an intake tube connected to the cooling attachment for the drawing of air at an input of a passage opening in the cooling attachment. In order to make possible a limited noise emission, the cooling head includes a cooling air feed at least partially insulated by a sound insulation device to supply air to the input of the passage opening on the cooling attachment.