Edge preparation

 Influance of Edge Preparation on the Performance of Coated End Mills

Work piece material: cold working steel - 1.2312 - 40CrMnMoS8-6 - Heat treated - Rm=1000 N/mm2 - HRC32 HM end mills: d=12mm - Z=4 - vc = 200mm/min - fz=0.1 mm/z - ae = ap = 6mm dorwn cut -  coolant: dry air