Process for manufacturing a rotor for a rotary fluid pump

IN THE PROCESS WHICH IS INTENDED TO FORM A ROTOR FORM GENERAL AND PARALLEL WITH A MULTIPLE SLOTS VANE 4 ON PART OF A PIPE ELEMENT WITH SUBSTANTIALLY FLAT 1 PARTIES SEPARATED BY ANGLE PARTIES 2 AND, TO TRANSFORM THIS ELEMENT ROTOR TURNS ON SUCH PARTIES IN FLAT 1 4 SLOTS FOR TUBE DISTORTION OF THE ELEMENT. SLOTS ARE THEN PROCESSED INTO SLOT PALETTE WITH A TOOL AND PARTS OF CORNERS IN THE PERIPHERAL SURFACE EXTERNAL ROTOR, ALSO WITH A TOOL.