Patent ID: 6651535
Filing Date: 2003-11-25
Classification: B23Q,Y10T

Abstract:
A lathe, comprising:a first workpiece spindle with an approximately vertically aligned first spindle axis; a first workpiece holder on said first workpiece spindle; a first carriage system for moving the first workpiece spindle relative to a first machine bed transversely to its spindle axis and in the direction of the spindle axis, the first carriage system being guided solely on the first machine bed; a first tool carrier for machining a workpiece received in the first workpiece spindle; a second workpiece spindle with an approximately vertically aligned second spindle axis; a second workpiece holder arranged on a side of said second workpiece spindle facing the first workpiece holder; a second carriage system for moving the second workpiece spindle relative to a second machine bed, said second machine bed constituting an assembly separate from the first machine bed and said second carriage system being guided solely on the second machine bed transversely to its spindle axis; the first machine bed and the second machine bed being free from any direct connection with each other; a second tool carrier for machining the workpiece received in the second workpiece spindle; and a transfer position for both workpiece spindles in which the workpiece can be transferred directly from one of the workpiece holders to the other one of the workpiece holders, the first workpiece spindle and the second workpiece spindle being adapted to be brought into the transfer position by driving the carriage systems transversely to the respective spindle axes.