Process of grinding and polishing gear wheels

Process of grinding and polishing a flank surface (40) of a tooth (50) of a first toothed wheel (60), the process comprising the steps, in this sequence, of

• a) providing a rotational grinding device (6) for grinding a first portion and a second portion of a flank surface (40) of a tooth (50) of the first toothed wheel (60);
• providing a polishing device (7) comprising a stationary axis (31) and a polishing body (80) rotatable about the stationary axis, the polishing body being adapted for polishing flank surfaces of teeth of a toothed wheel;
• and
• providing a dynamic positioning device (8) for holding a toothed wheel (60) and for dynamically adjusting position and attitude of the toothed wheel, relative to the stationary axis (31), during polishing;
• and
• providing a first toothed wheel (60);
• b) having the grinding device (6) grind a first portion and a second portion of a flank surface (40) of a tooth (50) of the first toothed wheel (60);
• c) removing the first toothed wheel (60) from the grinding device (6);
• d) having the dynamic positioning device (8) bring the first portion of the flank surface in contact with the rotating polishing body (80) such that the first portion of the flank surface is polished by the polishing body;
• e) having the dynamic positioning device (8) dynamically adjust position and attitude of the first toothed wheel (60) relative to the stationary axis (31), such that the second portion of the flank surface is polished by the polishing body.