Abstract: The invention relates to a spindle device (100), comprising: a tool holder (14) for holding a tool or a tool interface; a spindle drive comprising a spindle rotor (130) for rotationally driving the tool holder (14); an electrical load (160), which is arranged on the side of the spindle rotor (130) facing the tool holder (14); and a coil unit (140) for supplying electrical energy to the electrical load (160); wherein the coil unit (140) is arranged on the side of the spindle rotor (130) facing away from the tool holder (14).

Abstract: A machine tool includes a frame with two opposite frame sections, a number of leg elements arranged on the frame, and a first carriage having a first linear axis. The first carriage is guided on the two opposite sections of the frame and is displaceable in a first direction. A second carriage of a second linear axis is guided on the first carriage and is displaceable in a second direction A tower element has a third linear axis, which is retained on the second carriage. A machining element is retained on the tower element and is displaceable in a third direction, and a tool spindle is arranged on the machining element for receiving a tool.

Abstract: A tool (20) has a machine-side machine connection (21) for connecting the tool to a machine tool (1) for driving the tool in rotation (27) about a rotation axis (29) and for advancing (26) the tool relative to a workpiece, a workpiece-side tool head (22) having one or more cutting edges (25) for machining a workpiece, wherein the diameter (D) of the tool head is greater than 20 mm and wherein the cutting edges (25) of the tool (20) are arranged such that they travel over an area perpendicular to the rotation axis (29), a vibration unit (23) which is designed to set the tool head into rotary vibration (28) about the rotation axis (29), and a power receiving means (24) for wirelessly receiving supplied energy and for supplying electrical energy to the vibration unit (23).

Abstract: The invention relates to a spindle device (100), comprising: a tool holder (14) for holding a tool or a tool interface; a spindle drive comprising a spindle rotor (130) for rotationally driving the tool holder (14); an electrical load (160), which is arranged on the side of the spindle rotor (130) facing the tool holder (14); and a coil unit (140) for supplying electrical energy to the electrical load (160); wherein the coil unit (140) is arranged on the side of the spindle rotor (130) facing away from the tool holder (14).

Abstract: A machine tool includes a frame with two opposite frame sections, a number of leg elements arranged on the frame, and a first carriage having a first linear axis. The first carriage is guided on the two opposite sections of the frame and is displaceable in a first direction. A second carriage of a second linear axis is guided on the first carriage and is displaceable in a second direction A tower element has a third linear axis, which is retained on the second carriage. A machining element is retained on the tower element and is displaceable in a third direction, and a tool spindle is arranged on the machining element for receiving a tool.

Abstract: A tool (10) for processing a workpiece in a processing machine has a connecting portion (11) which is at the machine side during operation and is preferably standardized, for connecting the tool with a numerically controlled machine tool (30), a plasma duct (44) for conducting a generated plasma, and an outlet portion (13) which is at the workpiece side during operation and is disposed at the end of the duct (44), and which comprises one or a plurality of outlets (22) for supplying the plasma to a workpiece surface.

Abstract: A tool (20) has a machine-side machine connection (21) for connecting the tool to a machine tool (1) for driving the tool in rotation (27) about a rotation axis (29) and for advancing (26) the tool relative to a workpiece, a workpiece-side tool head (22) having one or more cutting edges (25) for machining a workpiece, wherein the diameter (D) of the tool head is greater than 20 mm and wherein the cutting edges (25) of the tool (20) are arranged such that they travel over an area perpendicular to the rotation axis (29), a vibration unit (23) which is designed to set the tool head into rotary vibration (28) about the rotation axis (29), and a power receiving means (24) for wirelessly receiving supplied energy and for supplying electrical energy to the vibration unit (23).

Abstract: A tool (10) for machining a workpiece in a machine tool comprises a coupling portion (41) that is in operation on the machine-side and that may be standardized for coupling the tool with a numerically controlled machine tool (30), a tool portion (43) that is in operation on the workpiece-side for machining the workpiece, and a mid-portion (42) between the coupling portion (41) and the tool portion (43). The tool portion (43) comprises on the workpiece-side one or more suction air openings (15) in communication with suction air channel (16) inside the tool that leads to the mid-portion (42) of the tool. In the middle portion a connector (11) for a suction air connector (38, 39) is provided that is displaced. sideways relative to the tool axis.

Abstract: A tool (10) for processing a workpiece in a processing machine has a connecting portion (11) which is at the machine side during operation and is preferably standardized, for connecting the tool with a numerically controlled machine tool (30), a plasma duct (44) for conducting a generated plasma, and an outlet portion (13) which is at the workpiece side during operation and is disposed at the end of the duct (44), and which comprises one or a plurality of outlets (22) for supplying the plasma to a workpiece surface.