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Premium Turning Insert CNMM...-SXR RT325G

With the CNMM...-SXR RT325G, Rinaldi-Tools offers a professional solution for demanding roughing operations in steel machining. The negative basic shape of this 80° rhombic insert creates excellent conditions for high depths of cut thanks to its high stability and robust cutting edge. The high-performance RT325G CVD coating on P25-grade carbide provides great temperature and wear resistance.

Suitable materials

Technical data

  • Insert shape: CNMM
  • Processing: Roughing
  • Cutting condition: Continuous and slightly interrupted cutting
  • Workpiece material: Steel
  • Grade: RT325G (CVD-coated P25-grade carbide)
  • Packaging unit: 10 pieces

Dimensions of CNMM...-SXR RT325G

Item Nr. r L I.C. S
CNMM 120408-SXR RT325G 1661771 0,8 12,9 12,7 4,76
CNMM 120412-SXR RT325G 1661772 1,2 12,9 12,7 4,76
CNMM 160612-SXR RT325G 1661773 1,2 16,1 15,875 6,35
CNMM 160616-SXR RT325G 1661774 1,6 16,1 15,875 6,35
CNMM 190612-SXR RT325G 1661775 1,2 19,3 19,05 6,35
CNMM 190616-SXR RT325G 1661776 1,6 19,3 19,05 6,35
CNMM 190624-SXR RT325G 1661777 2,4 19,3 19,05 6,35

Cutting data

Steel
Vc (m/min) f (mm/rev.) ap (mm)
CNMM 120408-SXR RT325G 140-260 0,3-0,5 1-5
CNMM 120412-SXR RT325G 140-260 0,3-0,5 1-5
CNMM 160612-SXR RT325G 140-260 0,35-0,6 1,5-6
CNMM 160616-SXR RT325G 140-260 0,35-0,6 1,5-6
CNMM 190612-SXR RT325G 140-260 0,35-0,7 2-6,5
CNMM 190616-SXR RT325G 140-260 0,35-0,7 2-6,5
CNMM 190624-SXR RT325G 140-260 0,35-0,7 2-6,5

Applications

This indexable insert is excellently suited for robust roughing processes of steel components in general mechanical engineering, plant construction, and contract manufacturing. Designed for continuous and slightly interrupted cuts, the SXR geometry reliably handles fluctuating allowances and moderate cutting interruptions, which promotes a stable machining process.

Special features

The advanced RT325G grade based on P25 carbide is selectively enhanced with a CVD coating. This layer system insulates the substrate against high thermal loads during roughing and effectively protects the edge from abrasive wear. Furthermore, the chipbreaker, which is specially developed for roughing applications, promotes controlled chip breaking, thereby reducing the risk of chip jamming and supporting smooth workflows. The negative insert seat ensures a secure hold in the tool holder, even under severe mechanical stress.

1661771

Data sheet

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

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