An automatic lathe includes a main spindle that rotates a workpiece about a shaft center, a cutting tool that processes the workpiece, a feeder that moves the cutting tool, an input receiver that receives inputs regarding an eccentric distance and a radius, and a controller that controls the movement by the feeder such as to set a virtual circle having a radius of the distance, to set an offset virtual circle having a center at a position where a center of the virtual circle is offset from the shaft center of the workpiece in the radial direction of the workpiece by the radius, and to move the cutting tool along an circumference of the offset virtual circle in relation to a rotation of the workpiece by the main spindle. A hole is processed, which has the radius at a position away from the shaft center by the distance.

Method comprising: designing a gear in a software-based computer-aided manner in order to obtain a function-oriented geometry, using a software-based computer-aided method for ascertaining a theoretically producible gear geometry corresponding to or an approximation of the function-oriented geometry), providing production data representing the theoretically producible geometry, machining a gear using the production data in a CNC-controlled processing machine, measuring the gear to obtain an actual data set of the gear, carrying out a comparison of the actual data set with the production data in order to ascertain at least one correction variable, using the correction variable in order to ascertain corrected production data from the production data or carry out a machining correction in the processing machine, and post-machining the gear using the machining correction or using the corrected production data in order to machine at least one additional gear in the processing machine.

Method comprising: designing a gear in a software-based computer-aided manner in order to obtain a function-oriented geometry, using a software-based computer-aided method for ascertaining a theoretically producible gear geometry corresponding to or an approximation of the function-oriented geometry, providing production data representing the theoretically producible geometry, machining a gear using the production data in a CNC-controlled processing machine, measuring the gear to obtain an actual data set of the gear, carrying out a comparison of the actual data set with the production data in order to ascertain at least one correction variable, using the correction variable in order to ascertain corrected production data from the production data or carry out a machining correction in the processing machine, and post-machining the gear using the machining correction or using the corrected production data in order to machine at least one additional gear in the processing machine.

An automatic lathe includes a main spindle that rotates a workpiece about a shaft center, a cutting tool that processes the workpiece, a feeder that moves the cutting tool, an input receiver that receives inputs regarding an eccentric distance and a radius, and a controller that controls the movement by the feeder such as to set a virtual circle having a radius of the distance, to set an offset virtual circle having a center at a position where a center of the virtual circle is offset from the shaft center of the workpiece in the radial direction of the workpiece by the radius, and to move the cutting tool along an circumference of the offset virtual circle in relation to a rotation of the workpiece by the main spindle. A hole is processed, which has the radius at a position away from the shaft center by the distance.

A device having at least two grippers (102) for the form-fitting gripping of a bevel gear (1) having a cone face, a heel region, and an axis of rotation (RA). The at least two grippers (102) can be infed radially in relation to the axis of rotation (RA), and each of the grippers (102) has at least one inner region (104) for interacting with the cone face, and a counter holder (103) for interacting with the heel region. Each gripper (102) can have a holder (101) having a changeable angle of attack on an inner region (104) of the holder, and the holder (101) can be movably mounted on the gripper (102) so that it adapts its effective angle of attack in relation to the inclination of the cone face of the bevel gear (1) during radial infeed in the direction of the bevel gear (1).