Patent ID: 6216325
Filing Date: 2001-04-17
Classification: B23Q,Y10T

Abstract:
A machining center, comprisinga number of machine tools, each machine tool having a working space for machining workpieces clamped into workpiece holders;a clamping station for clamping workpieces to be machined into said workpiece holder; anda loading device moving between said clamping station and said machine tools for transporting workpiece holders from said clamping station to the working space of at least one of said machine tools and vice versa, said loading device having two pivot arms arranged parallel to one another for carrying said workpiece holders, said pivot arms being pivoted in during moving of said loading device and being pivoted at least partially about a pivot axis into the working space and to the clamping station, respectively, for workpiece changing,each workpiece holder comprising a fixture for positionally accurate receiving of a workpiece, said fixture having a first and a second end face, each end face being equipped with a holding part via which holding parts said fixture is held in said clamping station and said working space, respectively,for transporting said two pivot arms grasping said fixture at said holding parts such that said fixture is held between said pivot arms during transporting.