Turbine disc

Productive seal fin machining

Seal fins, air seals or labyrinth seals as they are also called, are key features for the functionality of gas turbine engines and are commonly found on turbine wheels.

For productive seal fin machining we recommend:

• Scoop Turning
• Trochoidal turning​

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Scoop Turning

Patented strategy where a profiling tool enters the material from both side of the feature to be machined. This unique strategy uses safe entry and exit within its methodology, minimizing feed force on the material whilst delivering full chip control throughout the process.

With the application of scoop turning, advanced cutting tools and high precision coolant cycle time reductions of 80% have been realized with more than doubled tool life compared to existing method.

Grade GC1105 – designed for the challenge of super alloy machining

GC1105 provides secure and reliable quality machining, even flank wear and a truly versatile solution for 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.

Read more about our super alloy solution – GC1105

Precision machining with GC1105

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Ceramic turning

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