Thermal shafts for steam turbines can exceed 10 m in length and 100 t in weight, producing up to 20 t of chips. Machining mounting grooves is one of the most demanding tasks in stainless-steel machining. AccuGlobal develops component-specific processes using highly precise tools for milling and drilling, ensuring accuracy and cost-efficiency.
Back counterboring coupling holes
Solution:
Back counterbore
Custom-designed tool solution
Circular interpolation or manual operation
Benefits:
Flexible, reliable, and precise machining
Accuglobal back counterbore
Machining fir-tree grooves
Solution:
Indexable inserts for semi-finishing and finishing
Machining with ±10 μm profile tolerance
No regrinding required
Benefits:
Cost-efficient, reliable, faster machining
Indexable inserts for semi-finishing and finishing face milling cutters
Rough milling straight fir-tree grooves
Solution:
Form slotting cutter
Modular cartridge system
Maximum number of teeth, optimal chip clearance
Benefits:
High performance, process reliability
Form slotting cutter
Finishing fir-tree grooves
Solution:
Solid carbide & HSS face milling cutters
Suited for small profiles and tight tolerances
Benefits:
Complete machining, improved component accuracy
Solid carbide and HSS finishing face milling cutters
