Tungaloy DNMG110404-TM T9115 Turning Insert
High-Efficiency Steel Machining | Premium T9115 CVD | Made in Japan
What is the best insert for high-speed continuous steel turning?
The Tungaloy DNMG110404-TM T9115 is a high-performance CVD coated carbide turning insert engineered for excellence in steel machining. Featuring the advanced T9115 grade, this insert utilizes Tungaloy's proprietary "PremiumTec" surface technology combined with a thick Al2O3 layer to provide unmatched resistance to crater wear and plastic deformation. The -TM chipbreaker is designed for medium cutting, offering a perfect balance between edge sharpness and strength, ensuring stable precision machining even at high cutting speeds. This Japan-made indexable turning tool is a top-tier CNC machining solution for reducing cycle times and maximizing tool life in carbon and alloy steel. Utilizing these long-tail keywords optimized inserts ensures your shop maintains a competitive edge in productivity.
Decoding the DNMG110404-TM Technical Nomenclature
D
55° Rhombic
N
0° Clearance
M
Tolerance
G
Double Sided
11
11.6mm Edge
04
4.76mm Thick
04
0.4mm Radius
-TM
Semi-Finish
Technical Specs: Metric vs. Imperial Comparison
| ISO Parameter |
Metric Unit |
Imperial Equiv. |
| ISO Model Name |
DNMG110404-TM |
DNMG331-TM |
| Inscribed Circle (IC) |
9.525 mm |
3/8 inch |
| Thickness (S) |
4.76 mm |
3/16 inch |
| Corner Radius (RE) |
0.4 mm |
1/64 inch |
Recommended Cutting Parameters (T9115)
-
Cutting Speed (Vc): 150 - 350 m/min (Standard Steels)
-
Feed Rate (f): 0.10 - 0.35 mm/rev
-
Depth of Cut (ap): 0.5 - 3.0 mm
*Pro Tip: For continuous high-speed cutting, ensure stable clamping to fully leverage the T9115 grade's heat resistance.*
Feedback from Global Machinists
⭐⭐⭐⭐⭐ "Outstanding Heat Resistance" - Chris W., USA
"Running these on 4140 steel at 280 m/min. The T9115 coating holds up better than any other brand we've tried. Minimal crater wear."
⭐⭐⭐⭐⭐ "Consistent Semi-Finishing" - H. Weber, Germany
"The TM chipbreaker is very versatile. We use it for both roughing and semi-finishing passes. Great chip control on carbon steel."
⭐⭐⭐⭐ "Made in Japan Reliability" - Yuki T., Japan
"Always reliable. The DNMG110404 size fits perfectly in our standard holders, and the tool life is exceptionally predictable."
⭐⭐⭐⭐⭐ "Great Value" - Antonio G., Italy
"Double-sided inserts save us a lot of money on tooling costs. 4 usable edges with top-tier Tungaloy performance."
⭐⭐⭐⭐⭐ "Excellent Finish" - Sarah D., UK
"The 0.4mm radius leaves a beautiful surface finish. Ideal for parts requiring tight tolerances. Highly recommended."
Technical Tooling Q&A
Q: Can this be used for stainless steel?
A: T9115 is optimized for steel. For stainless steel, we recommend Tungaloy AH series PVD grades for better resistance to work hardening.
Q: What is the benefit of the TM chipbreaker?
A: The TM geometry is a versatile semi-finishing breaker that provides excellent chip evacuation across a wide range of feed rates and depths of cut.
Q: Which tool holders are compatible?
A: This insert fits standard ISO holders such as DDJNR/L or PDJNR/L using the 1104 size designation.
Expert Choice: CVD Carbide vs. PVD Carbide
For high-speed continuous turning in steel, CVD Coated Carbide (T9115) is superior due to its thicker coating and higher heat resistance compared to PVD. It ensures your CNC machining process remains stable and cost-effective.
© Technical Content by cnchome-beyond.com - Japan Tooling Excellence
