AGMA 96FTM2 PDF

Much attention has been paid to face hobbing in the last decade. The CNC technology made a quantum step in this period which was beneficial especially for the continuous bevel gear cutting process. Paraiiel to the CNC technology a new method of face hobbing was subsequently developed and is introduced today as the different and new way of face bobbing. The basis is a new gear theoreticai approach to design the blank geometry, the ease off and the tooth contact. The tools are different in design than reguiar Cutting blades an enable a high economical procedure of roughing and finishing in one chucking. The process kinematic was completely redesigned, benefitting from the h e form concept of today's cutting machines. All the aspects of precision, flexibiiity and economy made the new face hobbing also popular for the gearbox manufacturer and jobber. The paper explains the theoretid background and the important tool and process details.