Dismounting a ring from a wind turbine shaft

In this workshop a BETEX MF Quick-Heater 3.0, 22 kW is ued to remove a ring from a wind turbine shaft.
Flexible inductor coils are wrapped around the ring and heated upto .... within ..... minutes.
With a little help the ring, once heated and in expansion, jolted from from the shaft.
In this case the advantages for this customer was mainly TIME and avoiding damage to the parts involved.