Patent ID: 6345938
Filing Date: 2002-02-12
Classification: B23B,Y10T

Abstract:
A process for drilling at least two holes in each of several workpieces, the process comprising the steps of providing:a device, which has at least one double-spindle machining unit, which can be moved along a first travel axis, and a linear carriage unit with a duplicate work holding fixture for two of the workpieces, wherein the linear carriage unit can be moved along a second travel axis independently from the machining unit; drilling a first hole in a first workpiece; subsequent to said step of drilling a first hole, drilling a second hole in the first workpiece and simultaneously drilling a first hole in a second workpiece; removing the first workpiece from the duplicate work holding fixture; loading a third workpiece onto the duplicate work holding fixture; and drilling a second hole in the second workpiece and simultaneous drilling a first hole in the third workpiece.