Mitsubishi DNMG110404-MA UE6110 High-Speed Steel Turning Insert
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DNMG110404-MA UE6110
High-Velocity Steel Turning | UE6110 CVD Grade | MA Precision Geometry
Engineered for High-Cycle Efficiency
UE6110 Grade (High-Temp CVD Coating): The UE6110 is Mitsubishi’s premium grade for high-speed continuous turning of steel. It features an ultra-thick $Al_2O_3$ (Aluminum Oxide) coating layer that provides world-class thermal insulation. This allows the tool to maintain a sharp edge even at surface speeds exceeding 300 m/min, specifically in Carbon Steel and Alloy Steels.
MA Chipbreaker (Multi-Application Precision): The MA geometry is the versatile standard for medium-to-finishing cuts. It features a specialized rake face that stabilizes chip flow at high velocities. This design effectively breaks chips even in low-carbon "gummy" steels, preventing surface marring and tangled nests.
0.4mm Radius (The Finishing Detail): The "04" (1/64") radius is the choice for precision. It generates lower radial forces than larger radii, making it ideal for maintaining tight tolerances on slender parts and achieving a high-definition surface finish.
Metric vs. Imperial Comparison
| System | Model Designation | I.C. (Inscribed Circle) | Thickness | Radius (RE) |
|---|---|---|---|---|
| Metric | DNMG110404-MA | 9.525 mm | 4.76 mm | 0.40 mm |
| Imperial | DNMG331-MA | 3/8" | 3/16" | 0.0157" (1/64") |
Recommended Machining Parameters
*UE6110 thrives at higher speeds. Avoid using at very low RPM to prevent built-up edge.
| Workpiece Material | Speed (Vc) | Feed (fn) | Depth (Ap) |
|---|---|---|---|
| Carbon Steel (1045/S45C) | 250 - 450 m/min | 0.08 - 0.25 mm/r | 0.30 - 2.50 mm |
| Alloy Steel (4140/SCM440) | 200 - 380 m/min | 0.08 - 0.20 mm/r | 0.30 - 2.00 mm |
Pro-Tip: UE6110 vs. UE6020
UE6110 (Speed Specialist): The absolute best choice for stable, high-speed continuous turning. It provides 30-50% longer tool life in clean steels compared to general grades.
UE6020 (The Generalist): Choose UE6020 if you have interrupted cuts, vibration, or unstable setups. UE6110 is harder but more brittle; it thrives on speed and stability.
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