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An example of machining a disk
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CP 10.2 - Condensing Power - Spacer disc1
A gas-turbine is usually composed of a set of discs, fastened onto a shaft. The disc pack is arranged with the spacers and discs alternating. The spacers create a space between each pair of discs which carries the blades.
Gas turbine component Spacer disc - general information
CP 10.2 - Condensing Power - Spacer disc2
Gas turbine component Spacer disc - general information
Typical materials: Inconel 706 (combustion chamber) Steel (compressor)
Blank weight approx: 3000 kg
Diameter approx: 1300 mm
Material removal approx: 1200 kg
After machining approx: 1800 kg
CP 10.2 - Condensing Power - Spacer disc3
Gas turbine component Spacer disc machine type
All operations can typically be performed in a vertical turning lathe
CP 10.2 - Condensing Power - Spacer disc4
Spacer disc Tooling solution overview
CoroTurn HP
CoroDrill 880 CoroMill 327
Coromant CaptoSL-adapters
Damped blades
Adapted clamping units for vertical turnimg lathes
Ceramic inserts
CP 10.2 - Condensing Power - Spacer disc5
1. Rough turning: outer diameter, facing2. Pocketing3. Grooving4. Profiling5. Finishing turning: O.D, I.D, faces6. Drilling7. Chamfering (front & back)
BeskrivningAv
Gas turbine component Operations spacer disc
CP 10.2 - Condensing Power - Spacer disc6
Application hint Consider SM geometry if SMR is found to generate not
acceptable chips For heavy interruptions try -MR GC2025
Products Adaptor: C8-391.02-63 080A Holder: C6-PSSNL-45052-19HP Insert: SNMG 19 06 16-SMR GCS05F
Cutting Data ap = 5.0 mm fn = 0.5 mm/rev vc = 40 m/min
Typical conditions Forgin High pressure coolant
Spacer disc, Inconel 706 1. Rough turning of outer diameter and faces
CP 10.2 - Condensing Power - Spacer disc7
Application hint Trochoidal turning
Products Adaptor: C8-SL70-LF-051 Holder: SL70-CRDCL-50-12 Insert: RCGX 12 07 00E CC6060 Insert for finishing: RCGX 12 07 00T1020 CC6060
Cutting Data ap = 2.5 mm fn = 0.1 mm/rev vc = 300 m/min
Typical conditions High pressure coolant
Spacer disc, Inconel 706 2a. Pocketing
CP 10.2 - Condensing Power - Spacer disc8
Application hint Trochoidal turning If better insert toughness is needed chose carbide insert,
RCMX 090700 S05F.
Products Adaptor: C8-SL10 Holder: SL100 dampened Insert: RCGX 09 07 00E CC6060 Insert for finishing: RCGX 09 07 00T1020 CC6060
Cutting Data ap = 1.75 mm fn = 0.1 mm/rev vc = 300 m/min
Typical conditions High pressure coolant
Spacer disc, Inconel 706 2b. Pocketing
CP 10.2 - Condensing Power - Spacer disc9
Application hint Roughing of seal fins with trochoidal turning
Products Adaptor: C8-570-40-LG Holder: Special Insert: N123E2-0200-RO GCS05F
Cutting Data ap = 0.5 mm fn = 0.2 mm/rev vc = 50 m/min
Typical conditions High pressure coolant
Spacer disc, Inconel 706 3. Grooving
CP 10.2 - Condensing Power - Spacer disc10
Spacer disc, Inconel 706 4. Profiling
Application hint Finishing of seal fins with copy profile method
Products Adaptor: C8-570-40-LG Holder: Special Insert: N123E2-0200-RO GCS05F
Cutting Data ap = 0.5 mm fn = 0.2 mm/rev vc = 50 m/min
Typical conditions High pressure coolant
CP 10.2 - Condensing Power - Spacer disc11
Application hint Use a depth of cut that is 1/3 the size of the nose radius
in combination with S05F for highest productivity and tool life in finishing
Products Adaptor: C8-391.02-63 080A Holder: C6-PCLNL-45065-12HP Insert: CNMG 12 06 12-SF GCS05F
Cutting Data ap = 0.5 mm fn = 0.2 mm/rev vc = 50 m/min
Typical conditions High pressure coolant
Spacer disc, Inconel 706 5a. Finishing turning, outer diameter & faces
CP 10.2 - Condensing Power - Spacer disc12
Application hint Use a depth of cut that is 1/3 the size of the nose radius
in combination with S05F for highest productivity and tool life in finishing
Products Adaptor: C8-391.02-63 080A Holder: C6-PCLNL-45065-12HP Insert: CNMG 12 06 12-SF GCS05F
Cutting Data ap = 0.5 mm fn = 0.2 mm/rev vc = 50 m/min
Typical conditions High pressure coolant
Spacer disc, Inconel 706 5b. Finishing turning, inner diameter
CP 10.2 - Condensing Power - Spacer disc13
Products Adaptor: C8-391.02-63 080A Tool: 880-D1700C6-03 Insert: 880-03 03 05H-C-LM GC1044 Insert: 880-03 03 W06H-P-LM GCH13A
Cutting Data fn = 0.08 mm/rev vc = 50 m/min
Typical conditions High pressure coolant
Spacer disc, Inconel 706 6. Drilling
CP 10.2 - Condensing Power - Spacer disc14
Application hint Circular milling
Products Chuck: C8-391.CGA-20 079 Tool: 327-12B30EC-06 Insert: 327R06-12 12045-CH GC1025
Cutting Data ap = 0.3 mm fz = 0.15 mm/tooth vc = 75 m/min
Typical conditions Coolant
Spacer disc, Inconel 706 7. Chamfering of holes, front & back
CP 10.2 - Condensing Power - Spacer disc15
Machine adapted clamping units Units for vertical ram lathes
CP 10.2 - Condensing Power - Spacer disc16
SL100 adaptor C8
CP 10.2 - Condensing Power - Spacer disc17
SL100-RCGX 09
CP 10.2 - Condensing Power - Spacer disc18
WCMX grooving blade
WCMX 080412-58 235 (for steel) 16 mm wide groove soft entry into cut excellent chip control
Optimised blade stable due to height and coupling reduced vibration due to dampening
Gas turbine componentSpacer disc - general informationGas turbine componentSpacer disc - general informationGas turbine componentSpacer disc machine typeSpacer discTooling solution overviewGas turbine componentOperations spacer discSpacer disc, Inconel 7061. Rough turning of outer diameter and facesSpacer disc, Inconel 706 2a. PocketingSpacer disc, Inconel 706 2b. PocketingSpacer disc, Inconel 706 3. GroovingSpacer disc, Inconel 706 4. ProfilingSpacer disc, Inconel 706 5a. Finishing turning, outer diameter & facesSpacer disc, Inconel 706 5b. Finishing turning, inner diameterSpacer disc, Inconel 706 6. DrillingSpacer disc, Inconel 706 7. Chamfering of holes, front & backMachine adapted clamping unitsUnits for vertical ram lathesSL100 adaptor C8 SL100-RCGX 09WCMX grooving blade