SAET confirms its leading role in induction technology and applications by focusing on seamless hardening solutions for bearings and slewing rings.

In the last 20 years SAET has become one of the main manufacturers of heat treatment machines for large rings produced for wind energy, construction machinery, mining and general mechanics.

Thanks to the continuous development of innovative technologies, a widespread range of applications for large rings has been industrialized over the years with vertical and horizontal scanning configurations both for tracks and gears, pioneering high power single shot hardening.

 After the recent manufacturing of a horizontal single table slewing ring machine, the set-up of the last seamless equipment for large bearings is almost completed.

These two rings systems include some of the most cutting-edge features on the market for such application:

  • the horizontal single table slewing ring hardening machine with two fully independent heating heads and a double tracking device.
  • the seamless hardening equipment for bearings up to 5.5m of diameter employs the most innovative concept on the market, patented by SAET, to scan harden large rings without any soft zone thanks to 4 independent heating heads moving around the ring.

All SAET systems are equipped with the latest Industry 4.0 characteristics for machine connectivity and intelligent maintenance.

Besides, SAET can handle an upgrade of your existing equipment to wholly achieve the latest and most technological standards of process, electronics, monitoring and connectivity.


For more information, contact SAET headquarters: +39 011 997 7999





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