Generators convert turbine rotation into electrical energy with maximum efficiency. Electrical shafts are critical components, up to 15 m long and weighing over 200 t, with winding grooves up to 250 mm deep and 9 m long. AccuGlobal’s machining solutions allow roughing and finishing in a single pass, supported by a complete portfolio of standard and custom tools for high-precision groove manufacturing.
Milling sealing grooves in main winding
Solution:
Sealing groove milling cutter
Cost-efficient alternative to HSS or solid carbide tools
Indexable inserts for common groove shapes
Five machining methods available
Benefits:
High efficiency, reliable process, long tool life with advanced coatings
Sealing groove milling cutter
Milling main winding grooves
Solution:
Routing cutter
Flexible cartridge system for roughing and finishing
Diameters up to 1.3 m, cutting widths over 50 mm
Surface finish to Ra 1.6 with wiper technology
Benefits:
Long tool life, versatility, process reliability
Accuglobal Routing cutter
Milling relief grooves & transverse slots
Solution:
Relief groove milling cutter
Standard ROHX inserts
Plunge and copy milling possible
Advanced coating for superior chip control
Benefits:
Maximum reliability, optimized chip removal
Accuglobal Relief groove milling cutter
Circular interpolation milling
Solution:
high-performance milling cutter
Silver indexable inserts
Handles large diameters and long projections
Reduced cutting forces and improved chip flow
Benefits:
Multiple diameters with a single tool, semi-finishing often unnecessary
