Gearbox damage repair at wind turbines

From bearing damage to micro pitting Stork Gears & Services carries out an increasing number of gearbox repair projects at wind turbines, often in combination with vibration measurements. Vibration analysis is an effective technique for monitoring the condition of the gears and bearings and determine the root cause of equipment failure. Below a visual impression of some gear damage we have seen at wind turbines. Typical problems such as micro pitting, fine pitting, broken tooth, stand still marks and bearing and gear damage. Please contact our Area Sales Manager Wind Industry if you need any help with your wind turbine gearbox! Area Sales Manager Wind Industry Gert Korbijn gert.korbijn@stork.com +31(010) 487 35 00
Low speed shaft gear, active flank		Active flank
Planet wheel, sun wheel-active flank		Sun wheel, active flank
Broken tooth at gear intermediate shaft		Pinion high speed shaft, active flank, blade side
Ring gear, active flank		Intermediate shaft bearing, rotor side
Magnetic plug		Sun wheel, active flank
Fine pitting at intermediate shaft pinion, active flank		Planet wheel, ring gear-active flank