Robuta

https://patents.google.com/patent/CN102335874A/en CN102335874A - Grinding wheel reseater of abrasive-planing grinding wheel of turbine rotor groove -... The invention provides a grinding wheel reseater of an abrasive-planing grinding wheel of a turbine rotor groove. The abrasive-planing grinding wheel can carry... grinding wheelabrasiveplaningturbinerotor