Mitsubishi DCMT070208-MV UE6020 Carbide Turning Insert for Steel
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DCMT070208-MV UE6020
Steel Production Specialist | UE6020 CVD Coating | MV Versatile Geometry
Engineered for High-Speed Reliability
UE6020 Grade (The Steel Expert): The UE6020 is a premier CVD-coated carbide grade specifically for P-Class (Steel) materials. It features a multi-layered coating that provides a hard exterior for wear resistance and a tough interior to prevent fracture. It excels in stable, continuous cutting where high surface speeds are required to meet production targets.
MV Chipbreaker (Medium-V Finishing): The MV geometry is Mitsubishi's most balanced chipbreaker. It provides a sharp cutting action to reduce heat buildup while maintaining enough edge strength for semi-finishing tasks. It effectively controls chips across a broad range of speeds, preventing "bird-nesting" during automated cycles.
0.8mm Radius (High Feed & Strength): The "08" (1/32") radius is the choice for durability. It allows for higher feed rates ($fn$) while maintaining edge integrity. This radius is perfect for semi-finishing or finishing where the material has a slightly rough surface or where maximum tool life is the priority over ultra-fine detail.
Metric vs. Imperial Comparison
| System | Model Designation | I.C. (Inscribed Circle) | Thickness | Radius (RE) |
|---|---|---|---|---|
| Metric | DCMT070208-MV | 6.35 mm | 2.38 mm | 0.80 mm |
| Imperial | DCMT21.52-MV | 1/4" | 3/32" | 0.0315" (1/32") |
Recommended Machining Parameters
*UE6020 is designed for high-speed efficiency. Optimal results are achieved in continuous cutting with flood coolant.
| Workpiece Material | Speed (Vc) | Feed (fn) | Depth (Ap) |
|---|---|---|---|
| Mild Steel (1018/1020) | 160 - 380 m/min | 0.10 - 0.25 mm/r | 0.40 - 2.00 mm |
| Carbon Steel (1045) | 130 - 320 m/min | 0.08 - 0.22 mm/r | 0.30 - 1.50 mm |
Compatible Tool Holders
Maximum productivity with 07-series SDJCR/L or SDUCR/L holders:
Shop 07 Series HoldersPro-Tip: UE6020 vs. US735
UE6020 (CVD): Optimized for carbon and alloy steel. It handles heat much better than other grades, allowing for the highest speeds.
US735 (CVD): Switch to US735 ONLY if you are machining stainless steel or if your cut is heavily interrupted. UE6020 is too "hard" for high-impact stainless work but superior for continuous steel turning.
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