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KENNAPERFECT

Cutting Body Selection KENNA PERFECT – SE-Drill Modular

StableNormalUnstable Steel

Z.G. 1.1 u. 2.1: KSEM…HPM KC7235Z.G. 1.2, 2.2-13: KSEM…GDM CS5/KC7015KSEM…HPM KC7235

Stainless steel Cast iron

KSEM…LDM KC7215KSEM…GDM CS5/KC7015KSEM…LDM KC7215KSEM…HPM KC7235 KSEM…HPM KC7235

Nonferrous metals

Example: Stable conditionsMaterial: GG25

Heavy machiningmaterials

KSEM…LDM KC7215

Drive power (kW) Feed force (kN) Torque (Nm)

Drive power P
s [kW] Drill diameter d Torque M
d [Nm] 81012 22 100150 22 f = 0,16 mmf = 0,39 mmf = 0,25 mm f = 0,50 mm f = 0,16 mmf = 0,39 mmf = 0,25 mm f = 0,50 mm 1618200246 252832 3540 141618 161820050 252832 3540 200250 Drill diameter d
1 [mm]
1 [mm]

Note:

Feed force F
f [kN]Drill diameter d

The diagrams are used to determine the feed force, drive power and torque.They are based on cutting force measurementin tempered steels in Ggr 6.Tensile strength:Rm= 600 mm

2

The base speed used is:vc= 80 m/min

60008000 22 f = 0,16 mmf = 0,39 mmf = 0,25 mm f = 0,50 mm

Following coolant pressure are recommended: 1-3 x d8 bars5 x d12 bars 7 x d20 bars10 x d30 bars rel. drill depthcoolant pressure

161820020004000 252832 3540 100001200014000
1 [mm]

B

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