VNMG carbide insert

About VNMG carbide insert

Carbide inserts are small, replaceable, high-hardness cutting tools made of tungsten carbide and cobalt, primarily used in lathes, mills, and drills for machining hard materials like steel, cast iron, and alloys. These indexable tools increase productivity by offering high wear resistance and enabling faster cutting speeds, often with multiple edges that can be rotated when worn. [1, 2, 3, 4, 5]

Key Characteristics and Components

• Material: Comprised of cemented carbide, combining high hardness (HRA 89-93) with toughness to resist cutting forces.
• Shapes: Common shapes include Triangle (T), Diamond (C, D), Square (S), and Round (R), each suitable for specific operations like boring, turning, or profiling.
• Designation Code (e.g., CNMG 120408):
• Shape: C (Diamond 80).
• Clearance Angle: N (0).
• Tolerance: M (Tolerance class).
• Type: G (With hole and chip breaker).
• Size: 12 (Approx. 12mm edge length).
• Thickness: 04 (Approx. 4.76mm).
• Radius: 08 (0.8mm nose radius). [1, 6, 7, 8, 9]

Selection Factors

• Material Application: Represented by letters, such as P (Steel), M (Stainless), K (Cast Iron), and S (Heat-resistant alloys).
• Operation: Roughing requires stronger, thicker inserts with larger radii, while finishing requires smaller radii for better surface quality.
• Tool Holder: The insert shape must match the corresponding tool holder's geometry. [6, 7, 10, 11]

Key Advantages

• High Wear Resistance: Lasts 5-100 times longer than high-speed steel.
• High Heat Resistance: Maintains structural integrity at high temperatures.
• Efficiency: Allows for faster production and improved surface finishes. [1, 2]

AI responses may include mistakes.

[1] https://www.cycarbide.com/types-characteristics-and-applications-of-carbide-insert.html

[2] https://www.kingcarbide.com/article/what-are-carbide-cutting-inserts-and-how-are-they-used-newsinfo-61.html

[3] https://huanatools.com/what-are-carbide-inserts-and-how-are-carbide-inserts-made/

[4] https://www.mmc-carbide.com/us/technical_information/tec_guide/tec_guide_carbide

[5] https://www.mscdirect.co.uk/holemaking-drilling-tools/indexable-drills/indexable-drill-inserts

[6] https://www.youtube.com/watch?v=FGDM2yxkbos

[7] https://www.youtube.com/watch?v=_YDw2_WqCMY

[8] https://www.youtube.com/watch?v=JDpBf6DySUE

[9] https://huanatools.com/how-to-choose-the-right-carbide-inserts/

[10] https://www.estoolcarbide.com/article/how-to-understand-the-type-of-carbide-inserts-newsinfo-29.html

[11] https://www.cargo.org.in/blog/what-are-cnmg-insert

Versatility Across Machining Applications

VNMG carbide inserts accommodate a wide range of operations, from roughing to finishing, on various materials. Their double-sided, four-edged design facilitates longer tool life and reduced downtime, suitable for complex and demanding production environments. Adapting to finishing or heavy cutting is simple by selecting the appropriate chipbreaker and grade.


Advanced Surface Coating Options

Offered in gold/bronze (coated) and grey (uncoated) finishes, these inserts utilize advanced CVD or PVD coatings like TiN, TiAlN, and Al2O3 to enhance wear resistance, reduce friction, and maintain edge sharpness. The coatings also provide excellent corrosion resistance, prolonging insert life even under high-speed and high-load machining.


Precision Engineering and Industrial Reliability

Engineered with a negative rake, tight 0.02 mm tolerance, and industrial-grade tungsten carbide, VNMG inserts deliver consistency and reliability in high-load applications. They withstand cutting speeds up to 450 m/min and are compatible with standard ISO tool holders, making them the preferred choice for manufacturers, exporters, and suppliers throughout India.