4 Q u a l i t y b e g i n s w i t h R D b u t d o e sn t en d t h er e Mo v entas inno v ativ e technology f or wind turbine gears is continuously de v eloped to meet the increasing demands f or reliability and lo w noise Our inhouse design and pro duction combined with our indepth product competence hav e led to a tr ack record of pro v en technology and an installed base of thousands of units W e hav e successfully reduced the noise le v el of gearbo x es b y impro ving tooth accur acy and choosing the optimal geometry and profle Theoretical e v aluations as w ell as onsite testing are used f or eliminating any harmful resonance sounds of the structur al elements T o achie v e noiseless wind po w er the gear unit must not vibr ate This is why our gear units are especially designed to pre v ent vibr ations from passing through the gearbo x fx ing points to the f oundation of the wind po w er plant