Fans and fan impellers are to be found in virtually all aspects of our daily lives. Depending on the construction, the wheels can have vanes or rotor blades that are straight or curved forwards or backwards, and can be single-entry or doubleentry systems, taking air in on one or both sides. The important thing with all fans and fan impellers is that they are constructed exactly to a particular shape in order to handle the sometimes considerable rotation effects.
In ordert o guarantee this high precision standards, small and medium-sized, doubleentry fan impellers are manufactured on the mechanical Bihler GRM 80E stamping and forming machine. The compact machine system delivers fully assembled fan impellers, each with 48 rotor blades and a total of nine different models of fan impeller. The GRM 80E convinces with short setup times, optimum accessibility and consistently high component quality.