Example 15: Tool Life Comparison at Drilling

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drill

 

Drilling: tools life comparison

 

Work piece material: 42CrMo4V - Rm=1000 N/mm2 - Tools: solid carbide drills - d=6.8mm
vc=110m/min - f=0.174 nn/rev - ap=34 mm - emuslion-IC p=38 bar Q=8l/min