Field case · Condition monitoring
A 160 tonne hydro turbine rotor balanced in place with 42 kg, first time
Quick answer
Two planes, two 21 kg weights, no second attempt. Vibration on the rotor fell by 97% and 89%.
What the case covers
- The machine and the job
- As found
- The correction
- Result
- Why it worked
- What to take from it
Takeaway. Right size, right place, first time. 42 kg on a 160 tonne rotor took vibration from 7.34 to 0.25 mm/s on one plane and from 4.38 to 0.48 mm/s on the other.
Read the full case, with the data and the numbers