Solutions for cost-effective and high-quality machining of aerospace turbine discs

Aerospace turbines must withstand extreme temperatures and pressure differences. They are therefore made of advanced materials, such as nickel-based super alloys (e.g., Inconel 718, waspalloy and Udimet 720).

Nickel-based super alloys are excellent due to their high temperature- and stress-resistant properties. It is important to apply best practice strategies, as these materials are demanding to machine.

Tooling solutions for aerospace turbine discs

Grade GC1105 – Designed for the challenge of super-alloy machining

GC1105 provides secure, reliable, quality machining, even flank wear and true versatility 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.

Grade GC1105

CoroCut® angled inserts

Designed specifically for reaching difficult-to-access grooves and pockets in complex components.

CoroCut® angled inserts

Ceramic turning

Ceramic grades CC6220 and CC6230 are designed specifically for the challenges of new HRSA materials, where whisker ceramics and SiAlONs fall short, and are capable of higher cutting speeds, contributing to reduced cost per component. For high metal removal rates in pocketing and profiling applications, choose grade CC6160.

Ceramic grades CC6220 and CC6230

Ceramic grade CC6160

The modular SL70 tooling system for seal fin turning

Due to tough material, accessibility and productivity, round inserts offer the best method and are used in both roughing and finishing.

CoroTurn® SL70 blades are designed to fit the typical profiling and pocketing features
The oval coupling offers excellent stability and accessibility
All radial and axial clearance requirements are covered in a compact program
Multi-task and vertical turning lathe requirements are met with Coromant Capto® sizes C5, C6 and C8
Carbide RCMT and CoroCut® grades have high-pressure coolant as standard

CoroTurn® SL

CoroCut® 1-2

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.

Scallop milling solutions

There are two powerful tools available for this challenging feature, and chamfering solutions and inserts are available for both product families.

Use the exchangeable-head system with CoroMill® 316 for stable roughing of the scallop feature.

The CoroMill® Plura High Feed Side (HFS) milling concept, combined with a dedicated machining strategy, is an efficient solution for increased tool life and avoiding burr formation.

CoroDrill® 846 – Drilling with low axial forces

The geometry design on CoroDrill® 846 solid carbide drills is optimized for HRSA and offers a high number of drilled holes with security and low axial cutting forces.

Find out more about CoroDrill® R846

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