490R (Cutter Line/Hand): Fits a CoroMill® 490 shoulder milling cutter, oriented for Right-Hand cutting direction.
14 (Size): Indicates a cutting edge length of 14 mm (effective cutting length is 10.3 mm).
04 (Thickness): Denotes a thickness of 3.9 mm.
08 (Corner Radius): Features a 0.8 mm nose radius, making it ideal for standard corner requirements and lighter cutting forces.
M (Edge Profile): Stands for a medium light-cutting geometry, ensuring low vibration and precise transitions.
PM (Chip Breaker Style): Designed for pre-machining with a demand on final surface finish, providing security on the cutting edge.
3040 (Material Grade): A highly specialized CVD (Chemical Vapor Deposition) TiCN+Al2O3 coated carbide substrate. This grade belongs primarily to the ISO K (Cast Iron) application area but cross-performs excellently in difficult, abrasive ISO P (Steel) conditions where heavy heat and wear resistance are required.
Sandvik Coromant
+4
Technical Start Values & Parameters
When running this specific insert on a 90-degree lead angle cutter under normal conditions (e.g., Cast Iron / Hardened Steel at ~245 HB), Sandvik Coromant guidelines recommend the following start values:
Sandvik Coromant
Maximum Depth of Cut (
max): Up to 10 mm.
Wiper Edge Length (
): 2 mm flat for enhanced surface finish quality.
Cutting Speed (
): 240 m/min (Acceptable operating window: 230 – 245 m/min).
Feed per Tooth (
): 0.17 mm/tooth (Acceptable operating window: 0.12 – 0.25 mm/tooth).