METHOD FOR MACHINING EVOLUTIVE REVOLUTION SURFACES AND DIGITAL CONTROL MACHINE TOOL FOR MACHINING SUCH SURFACES

摘要

MACHINING PROCESS AND CORRESPONDING MACHINE-TOOL, THIS MACHINE COMPRISING A PIECE ROTATING THE WORKPIECE AND CHUCK 4 WITH WORKPIECE AND INDEXING, AND A WORK POSITION SENSOR 34, AND ON THE OTHER HAND, A CARRIAGE TABLE 9 WITH GUIDE ON SLIDERS PARALLEL TO THE AXIS OF THE SPINDLE, THIS TABLE CARRYING A TOOL HOLDER ASSEMBLY 10 TRANSVERSELY RELATIVE TO THE AXIS AUDIT, THIS MACHINE BEING CHARACTERIZED BY THIS THAT THE TOOL (S) ARE CARRIED OUT TOOL HOLDER BAR 15 PROVIDED WITH ANTI-ROTATION MEANS 19-24 BUT MAY TAKE A TRANSLATION MOVEMENT ON ITS AXIS, THIS BAR IS SLIDING MOUNTED WITHIN A HOUSING 21, AND MEDIUM ENGINES 35-40 PROVIDED BETWEEN THE HOUSING AND THE BAR TO MOVE THE LATTER IN TRANSLATION, AS WELL AS MEANS OF SENSORS OF POSITION 43 LOCATING EVERY INSTANCE THE POSITION OF THE TOOL IN RELATION TO AN ORIGINAL POSITION, THE POSITION OF THE TOOL ON THE MACHINE FUNCTION OF THE SURFACE TO GENERATE ETAN T DEFINED FROM THE ROTATION ANGLE OF THE SAID PART AND THE TOOL POSITION, AND THAT THIS POSITION IS ADJUSTED BY A CONTROLLER CONTROLLING THE RELATIVE TOOL-PART POSITION.