Turbine disc
These complex turned parts in hard to machine alloys such as Inconel 718, Waspalloy and Udimet 720 generally feature profiled pockets with various difficult clearance requirements.
A complete package of standard tools together with uniquely productive solutions is readily available to deliver stable machining to any turbine disc feature.
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The modular SL70 tooling system
Due to tough material, accessibility and productivity, round inserts offer the best method and are used in both roughing and finishing.
- CoroTurn SL70 blades designed to fit
the typical profiling and pocketing features
- Oval coupling offers excellent stability and accessibility
- All radial and axial clearance requirements covered in
a compact program
- Multi-task and vertical turning lathe requirements met
with Coromant Capto size C5, C6 and C8
- Carbide RCMT and CoroCut grades have high pressure coolant
as standard
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Optimized programming and optimized tools
give optimized results
By choosing trochoidal turning for the roughing operation over the more traditional ramping method, productivity can be doubled with improved security and tool life.
- Grade CC6060 allows for larger depths
of cut to be taken
- Reduced number of passes required
using trochoidal turning
- Green-light production – secured, controlled, predictable wear
| Pocket | dia 500mm
- width 60mm
- depth 40mm |
Read more about CC6060
Animations:
 Trochoidal turning
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RCGX 120700E 6060
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Ramping |
Trochoidal |
| Cutting speed, Vc, m/min | 250 | 250 |
| Depth of cut, ap, mm | 2 | 3 |
| Feed rate, fn, mm/rev | 0.15 | 0.2/0.1 |
| Metal removal rate, Q, cm3/min | 75 | 150 |
| Number of passes | 40 | 14 |
| Tool life, min | 6 | 4 |
| Number of insert changes | 14 | 7 |
| Time for pocket, min | 70 | 29 |
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Scallop milling
Our exchangeable-head system with CoroMill® 316 is the economical tool for scallop milling. With a shorter cutting length than other tools, it provides essential stability, optimized for these small depths of cut with close tolerances.
Tool change and tool setting times are drastically reduced compared to traditional end mills and chucks. Chamfering inserts are also available in the same system.
Read more about CoroMill 316
Animation:
 CoroMill316 |
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CoroCut® angled inserts
Perfectly formed for those difficult to access grooves, 90 degree angled inserts come in a variety of shapes all as standard.
No need for special tools. Blanks even available for dedicated 90, 45 degree and T-profiles.
Angled inserts for aerospace access |
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Finishing profile with SL70 CoroCut HP S05F
For the highest productive finishing with excellent surface integrity and dimensional accuracy, the combination of SO5F and CoroCut RO geometry sets the standard for critical part finishing.
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Grade GC1105 – Designed for the challenge
of super alloy machining
GC1105 provides secure, reliable, quality machining, even flank wear and is truly versatile in all application areas.
- Reliability in intermediate stage machining through superior notch wear resistance in combination with good edge line toughness.
- Guaranteed accurate high quality performance in last stage machining provided by our razor sharp, ground inserts and our state of the art thin coating, with excellent adhesion.
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