Ceratizit - полный каталог 2016. Дополнение 1 EN
Deep hole drilling
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Technical information
Application of deep hole twist drills 16x and greater
F61
Increase feed rate to cycle speed.
Drill to the desired depth without the need to peck.
Retract the drill
Retract the drill to approximately 1x.
Reduce the rpm to a low speed (n=300 rev/min). Use rapid feed (vf=3000 mm/min) when exiting the hole.
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