Application examples

High quality precision engineering demands premium tools. We understand the speciﬁc challenges of the power generation industry and we have the know-how to keep your production at the leading edge.

We provide optimized machining solutions and cutting tools for your speciﬁc requirements. Seco^® technology is available worldwide through a network of Technical Centres and power generation machining specialists.

We listen to our customers, understand and address their needs.
Our experienced people provide daily on-site support, test the very latest
tool and grade developments and optimise solutions with our clients.
Machining competence, discussed, tested and applied.

Powergeneration application examples:

Turbine blade
Material: X22CrMoV12-1
Operation: Rough milling
Criterion: Metal removal, tool life
Tool: R220.42-0040-05.4A
ODHT050412TN-M10, 620470
Cutting data:
vc=300m/min, fz=0.32 mm/t, vf=3000 mm/min, ap=2 mm

Turbine blade
Material: X22CrMoV12-1
Operation: Finish milling
Criterion: Surface finish
Result: Solid carbide tool replaced with Nanoturbo
Tool: R217.69-1616.0-06.4A
XOMX060208R-M05, F40M
Cutting data:
vc=450m/min, fz=0.125 mm/t, vf=4500 mm/min, ap=0.4 mm

Turbine blade
Material: X22CrMoV12-1
Operation: Milling semi finishing
Criterion: metal removal, tool life
Result: Solid carbide tool replaced with insert solution, no regrinding necessary.
Tool: Custom design shape cutter
Cutting data:
vc=270 m/min, f=0.2 mm/rev, vf=2000 mm/min, ap=1-30 mm

Turbine blade
Material: X22CrMoV12-1
Operation: Finishing milling
Criterion: Surface finish, tool life
Result: Solid carbide tool replaced with Minimaster
Tool: Minimaster^® custom design insert
Cutting data:
vc=380 m/min, fz=0.25 mm/t, vf=5000 mm/min, ap=0.5 mm

Turbine blade
Material: X20Cr13
Operation: Semi-finishing and finishing
Criterion: Dimensions, surface finish, tool life
Tool: MM16-16019-B90A30-E06, F30M
Cutting data:
vc=420m/min, fz=0.18mm/t, vf=5000mm/min, ap=1-15mm, ae=0.8mm

Shrouded Impeller
Material: 17.4-PH stainless steel
Operation: Plunge milling
Criterion: Metal removal, tool life
Tool: R220.79-0063-16.4A
APKT160408PDTL-M14, F40M
Cutting data:
vc = 140 m/min, f = 0.14 mm/t, vf = 400 mm/min, ap = 10 mm

Shrouded Impeller
Material: 17.4-PH stainless steel
Operation: Plunge milling, semi-finishing
Criterion: Metal removal, tool life
Tool: Custom plunge cutter
XOMX120420TR-ME08, F40M
Cutting data:
vc = 140 m/min, f = 0.12 mm/t, vf = 320 mm/min, ap = 1-3 mm

Turbine blade root
Material: Jethete
Operation: Semi-finishing profiling
Criterion: Metal removal, tool life
Tool: Custom profile insert cutter
Cutting data:
vc=230 m/min, f=0.3 mm/t, vf=450 mm/min, ap= 1-15 mm, ae=8 mm

Turbine rotor
Material: Steel
Operation: Fir tree finishing (side entry profile)
Criterion: Dimensions, surface finish, tool life
Tool: Custom fir tree cutter, solid carbide
Cutting data:
fz =0.06 mm/t, vf =235 mm/min, ap = full profile, ae = 0.6 mm

Turbine rotor
Material: Steel
Operation: Fir tree roughing and semi-finishing
Criterion: Metal removal, tool life
Tool: Custom fir tree cutter, solid carbide

Turbine disc
Material: Steel
Operation: Roughing and semi-finishing, Pull broach
Criterion: metal removal
Result: 50% lower production time and cost
Tool: Custom pull broach
Cutting data: vc = 60 m/min

Wind turbine rotor head
Material: Cast iron
Operation: Finish boring
Criterion: Concentricity and tolerances
Tool: Jumbo bridge D = 750 mm boring bar
Cutting data:
vc = 200 m/min, f =0.1 mm/rev, ap = 0.4 mm

Download related documents:

Powergeneration competence brochure

Related links:

Holemaking
Milling

Tooling Systems
Turning and threading

Application links:

Turbine tooling solutions
Pull broaching solutions