Mitsubishi DNMG150608-MA UE6020 Thick Steel Turning Insert
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DNMG150608-MA UE6020
High-Volume Steel Mastery | 6.35mm Thick Stability | MA Medium-Roughing Geometry
Engineered for Maximum Metal Removal Rate (MRR)
UE6020 Grade (Advanced CVD Coating): The UE6020 is Mitsubishi’s premier CVD grade for steel. It features a thick, multi-layered Al2O3 and TiCN coating that provides a superior heat shield. This allows for high-speed machining of Carbon Steel and Alloy Steels without the edge softening or cratering that limits PVD inserts.
MA Chipbreaker (The Multi-Purpose Standard): The MA geometry is designed for medium-range cutting. Its specialized rake angle and chip-pocket width ensure excellent chip breaking even in ductile "stringy" steels. This chipbreaker reduces cutting pressure, preventing vibration on longer workpieces.
06 Thickness & 0.8mm Radius: With a **6.35mm thickness**, this insert has the structural mass to handle heavy depths of cut. The **0.8mm (1/32") radius** provides a robust cutting edge that resists chipping during interrupted cuts while producing industrial-grade surface finishes.
Metric vs. Imperial Comparison
| System | Model Designation | I.C. (Inscribed Circle) | Thickness (S) | Radius (RE) |
|---|---|---|---|---|
| Metric | DNMG150608-MA | 12.70 mm | 6.35 mm | 0.80 mm |
| Imperial | DNMG442-MA | 1/2" | 1/4" | 0.0315" (1/32") |
Recommended Cutting Parameters
*Optimized for steel turning. Use high-pressure coolant to maximize the life of the CVD coating.
| Workpiece Material | Speed (Vc) | Feed (fn) | Depth (Ap) |
|---|---|---|---|
| Low Carbon Steel (1018) | 200 - 400 m/min | 0.15 - 0.45 mm/r | 1.00 - 4.50 mm |
| Alloy Steel (4140/4340) | 150 - 320 m/min | 0.15 - 0.40 mm/r | 1.00 - 4.00 mm |
Compatible Tool Holders
Maximum rigidity with 15-series DDJNR/L or DDUNR/L holders (Note: Ensure shim is 6.35mm compatible):
Shop DDJNR 15 HoldersPro-Tip: UE6020 vs. MC6015
UE6020 (The Tough Choice): Best for general-purpose turning in workshops where various steel grades are used. It handles slight interruptions and less-than-perfect setups much better than harder grades.
MC6015 (The High-Speed Expert): Use MC6015 for high-speed continuous finishing in stable setups. For rougher or unpredictable conditions, stick with the reliability of UE6020.
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