Higher feed rates and improved metal removal rate for efficient machining, due to high stability of cutting edge and rigid tool structure.Tool diameter: Ø6.0mm Tool type: a) PM-4E-D6.0 b）Tool from overseas manufacturer Machine tool: Mikron UCP1000 Workpiece material: NAK80(40HRC) Cooling system: air blow Machining operation: side milling (down milling) Cutting parameters: Vc=100m/min, ap=9mm, ae=0.6mm, Fz=0.04mm~0.16mmOptimized geometry, improves chip removal and chip forming with reduced cutting force.With excellent wear resistance and toughness, high wear resistance and breakage resistance is achieved even during high performance milling. Tool type: PM-4E-D6.0 Radial cutting depth: ae=0.6mm Diameter: Ø6.0mm Cutting style: side milling (down milling) Workpiece material: NAK80(40HRC) Cooling system: air blow Rotating speed: 5300r/min (100m/min) Machine tool: MIKRON UCP1000 Feed speed: 1696mm/min (0.32mm/r) Tool overhang: 22mm Axial cutting depth: ap=9mm