Aichelin Holding GmbH, Austria., announces that Slovenian member company Bosio has successfully commissioned a 72-ft. pit furnace, a 72-ft. split type furnace, and a PLC-controlled spray quenching unit for the heat treatment of turbine rotors with a length up to 52 ft. and a rotor weight up to 175 tons. The furnaces are available with gas or electric heating for a temperature up to 2000°F. Different heating zones ensure a temperature uniformity of ±9°F.
The PLC-controlled spray quenching unit can adjust the quench speed by shutting on/off selected zones and switching between the quenching medias water, air, or air-water mixture.
For better uniformity, the parts can be rotated during quenching. A wireless transmitter ensures real-time temperature measurement during the rotation.
Bosio can also provide a simulation of the cooling process for specific applications.
This furnace technology is now also available in the United States and will be built by the U.S.-based AichelinHeat Treatment Systems Inc., Plymouth, Mich.
