Mitsubishi DCMT070202-MV NX2525 Cermet Turning Insert for High-Gloss Finish
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DCMT070202-MV NX2525
Mirror-Finish Cermet | MV Medium-Finishing Chipbreaker | 0.2mm Radius
High-Speed Aesthetic Perfection
NX2525 Cermet Grade: The NX2525 is a premium Cermet grade (Titanium Carbonitride). Cermet provides superior resistance to crater wear and oxidation compared to tungsten carbide. Because of its low affinity for steel, it produces an unmatched surface luster, making it the ideal choice for final visible components in automotive or aerospace industries.
MV Chipbreaker (Versatile Finishing): The MV (Medium-V) chipbreaker is a highly adaptable geometry. It is designed to bridge the gap between fine finishing and light semi-finishing. It provides stable chip breaking across a wider range of feed rates than the FV series, ensuring process security in automated CNC production.
0.2mm Nose Radius: The "02" radius is engineered for precision. It minimizes radial cutting forces, which prevents chatter on small-diameter parts and allows for the machining of sharp internal shoulders.
Metric vs. Imperial Comparison
| System | Model Designation | I.C. (Inscribed Circle) | Thickness | Radius (RE) |
|---|---|---|---|---|
| Metric | DCMT070202-MV | 6.35 mm | 2.38 mm | 0.20 mm |
| Imperial | DCMT21.50.5-MV | 1/4" | 3/32" | 0.0078" (1/128") |
Recommended Cutting Parameters
*Cermet requires higher surface speeds (Vc) to reach the "plastic zone" for a perfect finish. Avoid vibration.
| Workpiece Material | Speed (Vc) | Feed (fn) | Depth (Ap) |
|---|---|---|---|
| Carbon Steel (1045) | 180 - 380 m/min | 0.04 - 0.12 mm/r | 0.15 - 1.20 mm |
| Alloy Steel (4140) | 150 - 300 m/min | 0.05 - 0.10 mm/r | 0.15 - 1.00 mm |
Compatible Tool Holders
Maximum performance with 07-series SDJCR or SDUCR holders:
Shop 07 Series HoldersPro-Tip: Cermet vs. Carbide
NX2525 (Cermet): Use for the final pass at high speeds. It will outlast carbide in finishing and provide a significantly brighter surface.
VP15TF (Carbide): Switch to carbide for roughing or if your part has an interrupted cut (like a keyway). Cermet is brittle and may chip under impact.
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