Mitsubishi DNMG150408-MA UE6020 Steel Turning Insert | 10pcs/Box
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DNMG150408-MA UE6020
High-Speed Steel Specialist | CVD Multi-Layer Coating | MA Versatile Geometry
Optimized for Maximum Steel Productivity
UE6020 Grade (CVD Coating): The UE6020 is a specialized CVD-coated carbide grade designed for the high-speed turning of Carbon Steel and Alloy Steel. The thick multi-layer coating provides an excellent thermal barrier, preventing crater wear and plastic deformation even during continuous high-temperature cutting.
MA Chipbreaker (Medium Range Mastery): The MA geometry is Mitsubishi's most popular M-Class breaker. It is specifically designed to balance chip control and edge strength. It excels at medium depths of cut, ensuring chips are broken into small, manageable pieces to protect the workpiece and the machine.
0.8mm Radius (The Reliable Standard): The "08" (1/32") radius is the go-to choice for medium-duty turning. It provides a significantly stronger edge than the 0.4mm version, allowing for higher feed rates and better handling of slight interruptions or raw material scale.
Metric vs. Imperial Comparison
| System | Model Designation | I.C. (Inscribed Circle) | Thickness | Radius (RE) |
|---|---|---|---|---|
| Metric | DNMG150408-MA | 12.70 mm | 4.76 mm | 0.80 mm |
| Imperial | DNMG432-MA | 1/2" | 3/16" | 0.0315" (1/32") |
Recommended Machining Parameters
*The 0.8mm radius allows for robust feed rates. Optimize speed for the hardness of your steel grade.
| Workpiece Material | Speed (Vc) | Feed (fn) | Depth (Ap) |
|---|---|---|---|
| Low Carbon Steel | 200 - 400 m/min | 0.15 - 0.45 mm/r | 1.00 - 4.50 mm |
| Alloy Steel (4140) | 150 - 300 m/min | 0.15 - 0.35 mm/r | 1.00 - 4.00 mm |
Compatible Tool Holders
Maximum performance with 15-series DDJNR/L or DDUNR/L holders:
Shop DDJNR 15 HoldersPro-Tip: UE6020 vs. UE6110
UE6020 (The Tough Steel Grade): This is your go-to for general purpose steel turning. It has higher toughness than UE6110, making it much better for general machine shops where cutting conditions aren't always perfect.
UE6110 (The High Speed Grade): Use UE6110 only for high-speed, continuous turning of stable steel parts where heat is the primary enemy. For everything else, UE6020 is the more reliable choice.
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