Tool life when high speed ball nose end milling Inconel 718™
WEBDec 3, 2001 · Rectangular blocks of solution treated and aged Inconel 718 approximately 110 mm ×110 mm ×300 mm were used with a hardness of 43±1 HRC. All the cutting tools used were 8 mm diameter ball nose end mills with two teeth. These had a 30° helix angle and 10° rake angle and were manufactured from K10 grade carbide.