Patent ID: 6877350

Claim:
A method of producing an inner joint part of a constant velocity universal ball joint in the form of a hub member ( 11 ) which comprises a central through-aperture ( 14 ) with inner toothing ( 16 ) for receiving a shaft journal ( 12 ), and ball tracks ( 15 ) for receiving torque transmitting balls on the outer circumference, the method comprising: producing by non-chip-forming deformation a blank with substantially finish-formed ball tracks; finish turning at the blank, outer surfaces ( 26 , 27 , 28 ) and a smooth through-aperture ( 14 ); and simultaneously both calibrating the ball tracks ( 15 ) by non-chip-forming deformation, and producing by pressing or profile slotting in a non-chip-forming way the inner toothing ( 16 ) in the through-aperture ( 14 ).