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Reliable turning processes with the Indexable insert - CNMG...-PM RT215+/225+

For professional machinists aiming to process steel materials with dimensional accuracy and efficiency, the Indexable insert - CNMG...-PM RT215+/225+ is a thoroughly designed tool. The negative 80° design with a PM chipbreaker establishes favorable conditions for medium machining tasks, ensuring that chips are consistently broken and evacuated. By offering two different CVD-coated carbide grades, the tool can be flexibly adapted to the specific requirements of individual turning operations. This versatility contributes to a stable machining environment and supports steady productivity in daily manufacturing.

Suitable materials

Technical data

  • Insert shape: CNMG (80° rhombic, negative)
  • Processing type: Medium machining
  • Grade RT215+: CVD-coated P10 carbide of the latest generation
  • Cutting condition RT215+: Continuous (full-cutting operations)
  • Grade RT225+: CVD coated 2-color P20 carbide of the latest generation
  • Cutting condition RT225+: Continuous and light interrupted cuts
  • Workpiece material: Steel
  • Packaging unit: 10 pieces

Dimensions of Indexable insert - CNMG...-PM RT215+/225+

Item Nr. r L I.C. S
CNMG 120404-PM RT215+ 1661276 0,4 12,9 12,7 4,76
CNMG 120408-PM RT215+ 1661277 0,8 12,9 12,7 4,76
CNMG 120412-PM RT215+ 1661278 1,2 12,9 12,7 4,76
CNMG 120416-PM RT215+ 1661279 1,6 12,9 12,7 4,76
CNMG 160608-PM RT215+ 1661280 0,8 16,1 15,875 6,35
CNMG 160612-PM RT215+ 1661281 1,2 16,1 15,875 6,35
CNMG 160616-PM RT215+ 1661282 1,6 16,1 15,875 6,35
CNMG 190608-PM RT215+ 1661283 0,8 19,3 19,05 6,35
CNMG 190612-PM RT215+ 1661284 1,2 19,3 19,05 6,35
CNMG 190616-PM RT215+ 1661285 1,6 19,3 19,05 6,35
CNMG 120404-PM RT225+ 1661246 0,4 12,9 12,7 4,76
CNMG 120408-PM RT225+ 1661247 0,8 12,9 12,7 4,76
CNMG 120412-PM RT225+ 1661248 1,2 12,9 12,7 4,76
CNMG 120416-PM RT225+ 1661249 1,6 12,9 12,7 4,76
CNMG 160608-PM RT225+ 1661250 0,8 16,1 15,875 6,35
CNMG 160612-PM RT225+ 1661255 1,2 16,1 15,875 6,35
CNMG 160616-PM RT225+ 1661260 1,6 16,1 15,875 6,35
CNMG 190608-PM RT225+ 1661265 0,8 19,3 19,05 6,35
CNMG 190612-PM RT225+ 1661270 1,2 19,3 19,05 6,35
CNMG 190616-PM RT225+ 1661275 1,6 19,3 19,05 6,35

Cutting data

Steel
Vc (m/min) fz (mm) ap (mm)
CNMG 120404-PM RT215+ 130-300 0,15 -0,35 0,5-4
CNMG 120408-PM RT215+ 130-300 0,15 -0,35 0,5-4
CNMG 120412-PM RT215+ 130-300 0,15 -0,35 0,5-4
CNMG 120416-PM RT215+ 130-300 0,15 -0,35 0,5-4
CNMG 160608-PM RT215+ 130-300 0,15 -0,4 0,5-4,5
CNMG 160612-PM RT215+ 130-300 0,18 -0,5 0,8-5
CNMG 160616-PM RT215+ 130-300 0,2 -0,5 1-5
CNMG 190608-PM RT215+ 130-300 0,15 -0,5 0,5-6
CNMG 190612-PM RT215+ 130-300 0,18 -0,55 0,8-6
CNMG 190616-PM RT215+ 130-300 0,2 -0,6 1-6
CNMG 120404-PM RT225+    120-240     0,15 -0,35   0,5-4    
CNMG 120408-PM RT225+ 120-240 0,15 -0,35 0,5-4
CNMG 120412-PM RT225+ 120-240 0,15 -0,35 0,5-4
CNMG 120416-PM RT225+ 120-240 0,15 -0,35 0,5-4
CNMG 160608-PM RT225+ 120-240 0,15 -0,4 0,5-4,5
CNMG 160612-PM RT225+ 120-240 0,18 -0,5 0,8-5
CNMG 160616-PM RT225+ 120-240 0,2 -0,5 1-5
CNMG 190608-PM RT225+ 120-240 0,15 -0,5 0,5-6
CNMG 190612-PM RT225+ 120-240 0,18 -0,55 0,8-6
CNMG 190616-PM RT225+ 120-240 0,2 -0,6 1-6

Applications

The CNMG indexable inserts in the PM version are highly suitable for medium longitudinal and facing operations on steel components. The application range for the RT215+ grade focuses on continuous cuts, where adequate wear resistance during full-cutting is a primary requirement. In contrast, the RT225+ grade demonstrates its capabilities in general steel processing, efficiently handling both continuous and light interrupted cuts. This targeted division of tasks opens up versatile application possibilities in mechanical engineering and contract manufacturing, wherever adaptability and process reliability are valued.

Special features

A defining characteristic of this insert series is the combination of a stable negative geometry with a specialized chipbreaker designed for medium machining. The advanced CVD coating on the carbide substrate (P10 or P20) provides solid thermal and mechanical resistance during the turning process. With the available distinct variants, the cutting tool can be closely matched to the steel grade being machined and the required parameters. This lays an excellent foundation for achieving proper turning results alongside economical material removal rates.

1661276

Data sheet

Materials
Steel
Processing
Mittel
Inserts
CN..
Cutting conditions
Continuous
Light interrupted

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