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Machining combustion chamber housing

Super alloys withstand high pressure and heat

The enormous temperatures and pressures present in the combustion chamber of an aircraft turbine push the heat-resistant super alloys used to their absolute limits. These component materials can also only be machined with extremely resistant tools.

CERATIZIT has optimised its tools for use in the most demanding materials to ensure that the necessary efficiency is maintained despite all the challenges.

1. MonsterMill NCR solid carbide milling cutter

Machining of smaller areas and pockets in titanium or Ni-based alloys

  • Perfectly adapted geometry for machining titanium and heat-resistant super alloys
  • Huge range of end mills, torus or ballnose cutters

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2. SiAION ceramic grade 1481

Roughing of Ni-based alloys at impressive cutting speeds

  • 1481 SiAlON ceramic with excellent notch wear resistance, the first choice for Inconel718
  • CTKS710 whisker ceramic as an alternative for other applications, particularly for continuous long cuts

3. CTPX710 carbide grade

Turning finish machining with low cutting forces

  • The latest PVD coating technology for machining heat-resistant alloys, titanium and stainless steel

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4. Fullmax 52P.57Un solid carbide reamer

 For precise drilling with the perfect finish

  • Solid carbide reamer for precise drilling of heat-resistant alloys with superb surface quality

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5. MonoThread - SGF thread milling cutter for next-level performance

Shank thread milling cutter for material-friendly thread production

  • For universal applications
  • Available in a wide range of thread types (M / MF / G / NPT / UNC / UNF / UNJC / UNJF)
  • Optimum core rounding and tapering for high dimensional accuracy
  • Thro’ coolant for a long service life
  • Ideal for asymmetrical, thin-walled or complex components

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Practical examples of the tools

SiAION ceramic grade 1481

Aircraft engine housing

  • Material: Inconel 718+
  • Indexable insert: RNGN 120700TN-010D 1481 (chamfered)
  • Application: external longitudinal turning, roughing
Cutting data CERATIZIT
Vc [m/min] 260
nmax [min-] 2500
f [mm/rev] 0.18
ap [mm] 1.5
hex [mm] 0.12
Emulsion Yes
Q [cm3/min] 70
Tool life [min] Up to 10 min.

Fullmax 52P.57Un solid carbide reamer

Details CERATIZIT
Material Inconel 718
Bore diameter Ø9.525 +/- 0.013 mm
Bore depth 5 mm
Vc [m/min] 30
Vf [mm/rev] 0.3
Emulsion Yes 
Tool life [number] Up to 1440 holes
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