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Lifetime Test(Endmill) Drill bit Broken(Micro-drill)
Test specimen : Φ6mm
Rotate speed : 15000RPM
Feeding rate : 2230mm/min
Material : SKD61
Test condition : Air flow
Test specimen : Φ0.2mm
Rotate speed : 25000RPM
Feeding rate : 20㎛/rev
 
 
  - Chemical Composition : WC-10wt.%Co
  - TRS test specimen : 8.0ⅹ4.0ⅹ24mm(WⅹHⅹL), Span 20mm