Mitsubishi DNMG150404-MA UE6020 Carbide Steel Turning Insert
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DNMG150404-MA UE6020
Steel Mastery | UE6020 CVD Technology | MA Precise Chip Control
Optimized for Industrial Steel Turning
UE6020 Grade (CVD Coating): The UE6020 is a high-toughness CVD-coated carbide grade designed for stable to general machining of steel. It features a specialized coating layer that provides superior resistance to crater wear and plastic deformation, making it ideal for high-speed, continuous cutting of Carbon Steel, Alloy Steel, and Tool Steel.
MA Chipbreaker (Medium Cut): The MA geometry is one of Mitsubishi's most versatile "M-Class" chipbreakers. It is engineered to maintain low cutting resistance while effectively curling and breaking chips across a wide range of feed rates. This prevents "nesting" and ensures a high-quality surface finish.
0.4mm Radius (The Finishing Precision): The "04" (1/64") nose radius is the standard for high-precision finishing. It minimizes radial cutting forces, which is essential for maintaining dimensional accuracy and achieving superior Ra values on CNC turned parts.
Metric vs. Imperial Comparison
| System | Model Designation | I.C. (Inscribed Circle) | Thickness | Radius (RE) |
|---|---|---|---|---|
| Metric | DNMG150404-MA | 12.70 mm | 4.76 mm | 0.40 mm |
| Imperial | DNMG431-MA | 1/2" | 3/16" | 0.0157" (1/64") |
Recommended Machining Parameters
*UE6020 excels in high-speed applications. Use ample coolant to maximize tool life in alloy steels.
| Material Group | Speed (Vc) | Feed (fn) | Depth (Ap) |
|---|---|---|---|
| Carbon Steel (S45C) | 180 - 350 m/min | 0.10 - 0.25 mm/r | 0.50 - 3.00 mm |
| Alloy Steel (SCM440) | 150 - 300 m/min | 0.10 - 0.20 mm/r | 0.50 - 2.50 mm |
Compatible Tool Holders
Maximum performance with 15-series DDJNR/L or DDUNR/L holders:
Shop DDJNR 15 HoldersPro-Tip: UE6020 vs. VP15TF
UE6020 (The Steel Master): The absolute first choice for continuous turning of carbon and alloy steels. It provides better tool life at higher speeds than PVD grades.
VP15TF (The Multi-Material Expert): Switch to VP15TF only if you are machining stainless steel or encounter heavily interrupted cuts. For stable steel turning, UE6020 will significantly outperform in terms of pieces-per-edge.
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