METHOD AND SYSTEM FOR REDUCING VIBRATIONS IN ROTATING MACHINERY

Embodiments of the invention are shown in the figures, where a method for manufacturing a gearbox (30; 130; 230), the method comprising: providing (S101) a predefined interval (I) around an integer (Ri); providing (S102) a gearbox setup; determining (S103) a speed ratio (R) of at least two components (28, 32, 34, 38, O) of the gearbox setup; comparing (S104) the speed ratio (R) with the predefined interval (I) around the integer (Ri); and manufacturing (S105) a gearbox (30; 130; 230) in accordance with the gearbox setup in dependence on the comparison.