The component is a ventilation wheel for the new STIHL FSA 400 professional cordless brushcutter.

The fan wheel serves to cool the electric motor and to hold the magnetic ring in place.

Other key features include the cast-in steel scar for holding the motor shaft and the press-fit of the magnetic ring in the machined inner area.

The use of magnesium and the reduction in wall thicknesses possible with magnesium die casting has resulted in a 30% weight reduction compared to comparable components, e.g., made of aluminum. The lower weight is a decisive customer advantage for hand-held motorized equipment.

The use of a magnesium fan wheel not only has a positive effect on the overall weight, but also on the dimensions of other assembly parts. The use of magn ...