White FCR column with milling head next to the rotor indexing platform and blue operator cab
Rotor Slotting Machine
Innse-Berardi FCR Generator Rotor Slotter Milling Machine
FCR dedicated machine for milling generator rotor slots
Innse-Berardi FCR is a dedicated machine for milling slots in generator rotors, the operations that set winding placement and rotor dynamic balance. Two milling heads and automatic indexing give repeatable results.
Manufactured byInnse-Berardi
1200 mmMax. milling disk cutter diameter
2 headsIndependent milling heads
All axesHydrostatic guideways
AutomaticRotor indexing unit
Overview
Slot milling for generator rotors
The FCR is an Innse-Berardi machine built only for milling slots in generator rotors. These operations decide correct winding placement and the dynamic balance of the rotor, so precision and repeatability are central.
Hydrostatic guideways on all axes take the high torque and cutting forces of slot milling and allow high material removal rates with large-diameter tools. The main milling head uses disk cutters up to 1200 mm to shorten machining of the longitudinal slots, and an auxiliary head on a vertical column handles further operations.
An indexing unit turns the rotor automatically and repeatably without manual work. It includes a rotating platform for positioning, hydrostatic end steadies that support the rotor without friction and intermediate steadies that limit rotor deflection. The workflow runs without repositioning the part.
Applications
Operations on generator rotors
The FCR covers the slotting work that sets the winding layout of a generator rotor.
Longitudinal slot milling
Large disk cutters up to 1200 mm on the main head cut the long rotor slots in less time.
Auxiliary operations
A second head on a vertical column performs the other machining steps on the rotor.
Indexed slot spacing
Automatic rotor indexing positions each slot repeatably without manual intervention.
Features
Machine features
- Hydrostatic guideways on all axes
- Main milling head for disk cutters up to 1200 mm
- Auxiliary head on a vertical column
- Two independent milling heads
- Automatic indexing unit with rotating platform
- Hydrostatic end steadies and intermediate steadies
Benefits
What it brings to rotor production
Correct winding placement and rotor balance from precise slots
Shorter machining time on long slots
Less downtime, as the rotor is not repositioned
Repeatable results with automatic indexing
Machining generator rotors?
Send us your rotor dimensions and slot geometry, and our Machinery team will review how the FCR fits your production.
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