Mitsubishi CPMH090308-MV VP15TF Universal Turning Insert (10pcs)
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CPMH090308-MV VP15TF
Heavy-Duty Generalist | Miracle PVD Technology | MV Strength Geometry
Universal Strength for Demanding Cuts
VP15TF Grade (Miracle PVD Coating): The VP15TF is engineered for versatility. Its Aluminum Titanium Nitride (Al-Ti-N) Miracle Coating provides a unique combination of high hardness and superior oxidation resistance. This allows the insert to perform excellently in dry machining or high-heat environments common in alloy steel and stainless steel turning.
MV Chipbreaker (The High-Volume Breaker): The MV geometry is a medium-cut chipbreaker that excels in a broad range of depths. In "long-chip" materials like carbon steel, the MV breaker forces a tight curl that ensures safe chip evacuation. Its 11-degree positive rake reduces tool pressure, making it ideal for the 09-size I.C. in internal boring applications.
0.8mm (1/32") High-Durability Radius: The 08 radius is the "Power" choice. It offers the highest resistance to edge chipping and allows for significantly higher feed rates than the 04 version. It is perfect for rough-to-semi-finish turning where surface finish is important but tool life and speed are the priorities.
Metric vs. Imperial Comparison
| System | Model Designation | I.C. (Inscribed Circle) | Thickness | Radius (RE) |
|---|---|---|---|---|
| Metric | CPMH090308-MV | 9.525 mm | 3.18 mm | 0.80 mm |
| Imperial | CPMH322-MV | 3/8" | 1/8" | 0.0315" (1/32") |
Universal Cutting Parameters
*The 0.8mm radius thrives at higher feeds. VP15TF is designed to handle both continuous and interrupted cuts.
| Material Group | Speed (Vc) | Feed (fn) | Depth (Ap) |
|---|---|---|---|
| Carbon/Alloy Steel | 100 - 210 m/min | 0.12 - 0.30 mm/r | 0.50 - 2.50 mm |
| Stainless (304/316) | 70 - 150 m/min | 0.10 - 0.25 mm/r | 0.40 - 2.00 mm |
Compatible Tooling
Maximum performance is achieved with SCLC or SCPC series holders:
Shop 09-Series HoldersPro-Tip: VP15TF vs. UE6020
VP15TF (The Tough All-Rounder): Use this as your standard insert for small-batch jobs with mixed materials. It is the most reliable grade for interrupted cuts.
UE6020 (The Dedicated Steel Grade): Move to UE6020 CVD only for long production runs of Carbon Steel where high-speed tool life is the only priority.
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Technical FAQ & Buying Guide
Absolutely. Our CNC carbide inserts (including CNMG, WNMG, DNMG, and APMT series) are manufactured strictly adhering to international ISO/ANSI specifications. A CNMG 120408 from OYYU BEYOND will flawlessly fit any standard turning tool holder or indexable tool from major global brands like Sandvik Coromant, Kennametal, Iscar, Walter, or SECO, providing a highly cost-effective premium alternative without sacrificing tolerance or tool life.
We offer optimized CVD and PVD multi-layer coatings for different ISO material groups:
- For Carbon/Alloy Steel (ISO P): Choose our thick multi-layer CVD coated grades (e.g., Al2O3 + TiN). They provide exceptional crater wear resistance and thermal barriers during high-speed dry or wet roughing.
- For Stainless Steel (ISO M): Choose our nano-structured PVD coated grades with sharp, positive chipbreakers (like -TM or -MA). This combination prevents work hardening and effectively controls sticky chips.
The optimal cutting parameters vary depending on the workpiece hardness and operation type:
- For General Steel Turnings: Recommended cutting speed ($V_c$) ranges from 150 to 280 m/min, with a feed rate ($f$) of 0.15 to 0.45 mm/rev.
- For Stainless Steel Finishing: Recommended cutting speed ($V_c$) is 120 to 200 m/min, with a feed rate ($f$) of 0.10 to 0.25 mm/rev.Always adjust parameters based on early wear patterns: increase $V_c$ if built-up edge occurs, or reduce $V_c$ if severe flank wear is observed.
Yes, we support machine shops, distributors, and global buyers with tiered wholesale pricing and competitive volume discounts. We also provide OEM custom manufacturing solutions for tool holders and carbide inserts based on your technical drawings. Contact our team to request a quick B2B quotation.
We provide secure worldwide express shipping (via DHL, FedEx, and UPS) with specialized, vibration-proof industrial packaging to ensure tools arrive in perfect condition. In-stock items are dispatched within 24-48 hours, while custom or bulk orders typically have a stable lead time of 15-25 days.
All our cutting tools and tool holders are manufactured strictly in accordance with ISO 9001 and international industrial standards. Every batch undergoes 100% rigorous quality control testing using high-precision optical measuring equipment to ensure reliable tool life and stable performance in continuous mass production.