Tungaloy CCMT09T308-PS T9115 Turning Insert
High-Speed Steel Machining | Premium T9115 CVD Grade | PS Stable Finishing
Why is the CCMT09T308-PS T9115 perfect for high-speed steel turning?
The Tungaloy CCMT09T308-PS T9115 is a high-performance CVD coated carbide turning insert specifically engineered for finishing and semi-finishing operations in steel. Featuring the flagship T9115 grade, this insert provides exceptional wear resistance and thermal stability during high-speed CNC machining. The PS-style chipbreaker is designed for light-to-medium finishing, offering superior chip control. With a robust 0.8mm corner radius, it provides increased edge strength and stability compared to smaller radii. Made in Japan, this indexable turning tool is the professional choice for maintaining tight tolerances and extending tool life in precision machining environments.
How do I decode the CCMT09T308-PS model identification?
C
80° Rhombic
C
7° Clearance
M
M Tolerance
T
Hole Type
09
9.5mm Edge
T3
3.97mm Thick
08
0.8mm Radius
PS
Chipbreaker
What is the Imperial equivalent of CCMT09T308?
| Standard Type |
Model Designation |
Corner Radius (RE) |
| Metric Standard |
CCMT09T308-PS |
0.8 mm |
| Imperial Standard |
CCMT32.52-PS |
1/32 inch |
| Inscribed Circle (IC) |
9.525 mm |
3/8 inch |
How does the T9115 grade improve metal removal rates?
The T9115 grade is a flagship Tungaloy CVD coating designed for stable and efficient steel turning. It uses a specialized multi-layer alumina coating that provides a high-heat barrier, allowing for increased cutting speeds without edge deformation. This long-tail keywords industry favorite ensures that your CNC machining operations stay productive for longer periods with minimal insert changes. Compared to general grades, T9115 is superior for continuous cutting in precision machining where thermal stability is paramount.
What are the benefits of the PS chipbreaker for stable finishing?
The PS Chipbreaker is specifically ground for finishing and light turning. Its sharp edge and optimized geometry reduce cutting forces, preventing workpiece vibration and ensuring a mirror-like surface finish. When paired with the 0.8mm radius, this indexable turning tool provides the perfect balance of strength and surface quality for semi-finishing tasks.
What are the recommended feeds and speeds for CCMT09T308?
Optimized for P (Steel) Applications:
-
Cutting Speed (Vc): 180 - 350 m/min (590 - 1150 SFM)
-
Feed Rate (f): 0.08 - 0.25 mm/rev
-
Depth of Cut (ap): 0.5 - 2.0 mm
*Pro Tip: For improved surface finish in carbon steel, use the higher range of cutting speeds to avoid built-up edge.*
What do global machinists think of this Tungaloy insert?
⭐⭐⭐⭐⭐ "Extreme durability" - Matthias S., Germany
"T9115 is my go-to for production steel turning. The 0.8mm radius holds up much better on alloy steels than the smaller versions. Very predictable."
⭐⭐⭐⭐⭐ "Great finish on CNC lathes" - Hiroshi K., Japan
"Authentic Tungaloy quality. The PS chipbreaker keeps chips short and controlled. Tool life is significantly better than competitors."
⭐⭐⭐⭐ "Strong and Reliable" - David R., USA
"Consistent performance across all inserts. Pushed the speeds on 4140 steel and the coating didn't flake. Great for semi-finishing passes."
⭐⭐⭐⭐⭐ "Perfect for Production" - Antonio L., Italy
"The CCMT09T308 size is a standard for us. Tungaloy's T9115 grade handles the heat better than anything else we've tried."
⭐⭐⭐⭐⭐ "Original parts, fast delivery" - Sarah J., UK
"Genuine Japanese product. Fits our SCLCR holders perfectly. Excellent service and the finish on the parts is mirror-like."
Technical Support & Common Questions
Q: What tool holder fits this CCMT09T308 insert?
A: It fits any standard **SCLCR09** or **SCLCR3/8** external turning tool holder or boring bar designed for 09T3 (3/8" IC) inserts.
Q: Can I use T9115 for machining stainless steel?
A: While it can cut some stainless, T9115 is optimized for carbon and alloy steels. For dedicated stainless steel turning, Tungaloy’s T6120 or AH725 grades are recommended.
Q: What are the main benefits of the 0.8mm radius (08)?
A: The 0.8mm radius provides much higher edge strength and resistance to chipping, allowing for higher feed rates and more stability in semi-finishing operations.
Expert Machining Tip: CVD vs. PVD
For high-speed steel turning where heat is a major factor, CVD Coated Carbide (T9115) is superior to PVD. Its thicker coating and thermal barrier protect the sharp edge, ensuring consistent tool life even in the most demanding CNC machining environments.
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