Mitsubishi DCMT11T304-MV UE6020 Carbide Turning Insert for Steel
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DCMT11T304-MV UE6020
High-Efficiency Steel Machining | UE6020 CVD Grade | MV Versatile Geometry
Engineered for High-Speed Reliability in Steel
UE6020 Grade (CVD Coating): The UE6020 is Mitsubishi’s flagship CVD-coated carbide for P-Class (Steel). It is specifically engineered to resist the extreme heat generated during high-speed continuous cutting. The multi-layered coating provides a hard outer shell that resists crater wear and a tough substrate to prevent edge breakage, ensuring stable tool life across thousands of parts.
MV Chipbreaker (Medium-V): The MV geometry is a versatile semi-finishing chipbreaker. It features a balanced rake angle that provides a sharp cutting action while maintaining enough edge strength for varied depths of cut. It is designed to provide consistent chip evacuation in carbon steels, preventing the "long chip" issues that cause downtime.
0.4mm Radius (The All-Rounder): The "04" (1/64") nose radius is the most common choice for general-purpose turning. It allows for high-quality surface finishes while maintaining enough mass to withstand the pressures of semi-finishing cuts.
Metric vs. Imperial Comparison
| System | Model Designation | I.C. (Inscribed Circle) | Thickness | Radius (RE) |
|---|---|---|---|---|
| Metric | DCMT11T304-MV | 9.525 mm | 3.97 mm | 0.40 mm |
| Imperial | DCMT32.51-MV | 3/8" | 5/32" | 0.0157" (1/64") |
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) | 180 - 380 m/min | 0.08 - 0.22 mm/r | 0.40 - 2.00 mm |
| Alloy Steel (4140/4340) | 140 - 320 m/min | 0.07 - 0.20 mm/r | 0.30 - 1.50 mm |
Compatible Tool Holders
Maximum rigidity for 11-series SDJCR/L or SDUCR/L holders:
Shop SDJCR 11 HoldersPro-Tip: UE6020 vs. US735
UE6020 (CVD): Optimized for steel production. It handles high-speed friction heat much better than other grades, making it the best for continuous turning.
US735 (CVD): Switch to US735 only if you are machining stainless steel or if you have heavy interruptions. US735 is tougher, but UE6020 is much faster in pure steel.
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