Shafts for the Hammel and Olnova VB 650 and VB 750 chippers are designed for wood chipping.
The shaft base, a 250 mm diameter circle of S355 steel, on which 55 mm thick washers of S355 steel are welded, and the cutting elements of the shafts are made of Creusabro 8000 alloy (France) with a hardness of 450 HB.
