Mitsubishi DNMG150608-MA VP15TF Universal Turning Insert | 6.35mm Thick
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DNMG150608-MA VP15TF
Heavy-Duty Stability | Mirage PVD Technology | MA Universal Geometry
Engineered for Thermal Rigidity
VP15TF Grade (Mirage PVD Coating): The VP15TF is Mitsubishi’s premier PVD-coated grade for difficult-to-cut materials. Featuring the legendary Mirage Technology, this nano-structured coating provides an ultra-smooth surface that resists chemical welding. It is the definitive solution for stopping Built-Up Edge (BUE) when machining 304/316 Stainless Steel and aerospace alloys.
MA Chipbreaker (Medium-Cut Mastery): The MA geometry is designed for medium turning operations. It balances a sharp cutting action with high edge security. This chipbreaker is optimized to curl and break chips effectively even in gummy materials, ensuring stable chip evacuation and preventing surface marring.
6.35mm Thickness (The "06" Stability): Unlike standard 4.76mm inserts, the 1506 series features a 6.35mm body. This extra thickness acts as a massive thermal sink, absorbing the heat generated at the cutting edge and dissipating it through the tool holder. This prevents the insert from "softening" during heavy-duty, long-duration cuts in alloy steels.
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
*VP15TF is universal. The 0.8mm radius allows for aggressive feeds on stable workpieces.
| Workpiece Material | Speed (Vc) | Feed (fn) | Depth (Ap) |
|---|---|---|---|
| Stainless Steel (304/316) | 100 - 200 m/min | 0.12 - 0.40 mm/r | 1.00 - 4.50 mm |
| Alloy Steel (4140/SCM440) | 120 - 250 m/min | 0.15 - 0.45 mm/r | 1.50 - 5.00 mm |
Compatible Tool Holders
Maximum rigidity for 15-series 55° diamond pockets (Verify 1/4" shim for 1506):
Shop DDJNR 15 HoldersPro-Tip: VP15TF vs. US735
VP15TF (Universal Performance): Best for CNC mass production. It has superior wear resistance at modern cutting speeds and handles a wider range of materials (Steel, Stainless, and Alloys).
US735 (Toughness Special): Choose US735 only for heavy interrupted cuts or extremely low-speed machining in stainless steel. For 95% of job-shop and production CNC work, VP15TF is the superior, more productive grade.
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