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DrillForce-Meister

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Head-changeable drill for drilling large holes

Unique clamping concept and two effective cutting edges on the drill head provide excellent hole quality and high productivity

Applications & Features

Applications

Drilling

Features

1. Two effective cutting edges

• The drill head with two effective cutting edges provides high productivity and reliability.

2. Unique clamping system

• The drill head change is possible without removing the drill body from the tool holder or the spindle, eliminating re-adjustments.
• Asymmetric shaped drill head not only secures stability in heavy machining but also error-proofs drill head installation.
• The drill body has a wide supporting area for the drill head for rigid insert clamping.

Inserts & Grades

Inserts

SMP (ø20 – ø41 mm)

  • General purpose type

SMF (ø20 – ø41 mm)

  • Provides greater resistance to radial forces, improving machining stability during the drilling of irregular surfaces or workpieces with low rigidity
  • Coated with wear resistant PVD grade, AH9130

SMC (ø26 – ø33 mm)

  • Pre-drilling is unnecessary
  • Outstanding drilling stability
  • Sophisticated geometry prevents cutting edge fracture and burr formation on the workpiece
Grades

AH725

  • P15 – P30 / M15 – M30 / K25 – K30 / S15 – S25

  • Good balance between wear and chipping resistance

  • Suitable for machining steel and stainless steel under general cutting  conditions

AH9130

  • P15 – P35 / M25 – M35 / K10 – K25 / S15 – S30
  • High wear resistance
  • Designed for drilling various materials

Drill bodies

Drill bodies

TIS (ø20 – ø41 mm)

Cylindrical shank with flat cotter and flange

Practical examples

Example #1

General Engineering

Part: Gate valve
Material: SUS304 / X5CrNi18-9
Drill: TIS300F40-5
Head: SMP300
Grade: AH725
Cutting conditions: Vc = 60 (m/min)
f = 0.25 (mm/rev)
Vf = 160 (mm/min)
H = 120 (mm)
Machine: Horizontal M/C
Example #2

Heavy Industry

Part: Slewing ring
Material: SCM440 / 42CrMo4
Drill: TIS330F40-5
Head: SMP331
Grade: AH725
Cutting conditions: Vc = 100 (m/min)
f = 0.4 (mm/rev)
Vf = 380 (mm/min)
H = 150 (mm)
Machine: Vertical M/C

Standard cutting conditions

SMP General purpose
ISO

Workpiece materials

Cutting speed

Feed: f (mm/rev)
Vc (m/min) ø20 – 29.9 ø30 – 35.9 ø36 – 41
Low carbon steel
S15C, S20C, etc.
C15E4, etc.		 80 – 140 0.2 – 0.5 0.2 – 0.5 0.2 – 0.55
Carbon steel and alloy steel
S55C, SCM440, etc.
C55, 42CrMo4, etc.		 80 – 130 0.2 – 0.5 0.2 – 0.5 0.2 – 0.55
Prehardened steel
NAK80, PX5, etc.		 50 – 100 0.2 – 0.5 0.2 – 0.5 0.2 – 0.55
Stainless steel
SUS304, SUS316, etc.
X5CrNi18-9, X5CrNiMo17-12-3, etc.		 40 – 80 0.15 – 0.3 0.2 – 0.3 0.2 – 0.35
Grey cast iron
FC250, FC300, etc.
250, 300, etc.		 80 – 180 0.25 – 0.55 0.25 – 0.55 0.3 – 0.6
Ductile cast iron
FCD400, FCD600, etc.
400-15, 600-3, etc.		 80 – 140 0.25 – 0.55 0.25 – 0.55 0.3 – 0.6
Non ferrous materials 100 – 200 0.4 – 0.6 0.4 – 0.6 0.5 – 0.7
Heat-resistant alloys
Inconel718, etc.		 20 – 50 0.1 – 0.2 0.1 – 0.2 0.1 – 0.25
Titanium alloys
Ti-6AI-4V, etc.		 20 – 50 0.1 – 0.2 0.1 – 0.2 0.1 – 0.25
Hard materials 20 – 60 0.1 – 0.2 0.1 – 0.2 0.1 – 0.25
SMF Flat geometry head
ISO

Workpiece materials

Cutting speed

Feed: f (mm/rev)
Vc (m/min) ø20 – 29.9 ø30 – 35.9 ø36 – 41
Low carbon steel
S15C, S20C, etc.
C15E4, etc.		 80 – 140 0.2 – 0.5 0.2 – 0.5 0.2 – 0.55
Carbon steel and alloy steel
S55C, SCM440, etc.
C55, 42CrMo4, etc.		 80 – 130 0.2 – 0.5 0.2 – 0.5 0.2 – 0.55
Prehardened steel
NAK80, PX5, etc.		 50 – 100 0.2 – 0.5 0.2 – 0.5 0.2 – 0.55
Stainless steel
SUS304, SUS316, etc.
X5CrNi18-9, X5CrNiMo17-12-3, etc.		 40 – 70 0.15 – 0.25 0.2 – 0.3 0.2 – 0.35
Grey cast iron
FC250, FC300, etc.
250, 300, etc.		 80 – 180 0.25 – 0.55 0.25 – 0.55 0.3 – 0.6
Ductile cast iron
FCD400, FCD600, etc.
400-15, 600-3, etc.		 80 – 140 0.25 – 0.55 0.25 – 0.55 0.3 – 0.6
Non ferrous materials 100 – 200 0.4 – 0.6 0.4 – 0.6 0.5 – 0.7
Heat-resistant alloys
Inconel718, etc.		 20 – 50 0.1 – 0.2 0.1 – 0.2 0.1 – 0.25
Titanium alloys
Ti-6AI-4V, etc.		 20 – 50 0.1 – 0.2 0.1 – 0.2 0.1 – 0.25
Hard materials 20 – 60 0.1 – 0.2 0.1 – 0.2 0.1 – 0.25
SMC High precision drilling
ISO Workpiece materials

Cutting speed

 Feed: f (mm/rev)
Vc (m/min) ø26 – 33
Low carbon steel
S15C, S20C, etc.
C15E4, etc.		 80 – 140 0.2 – 0.5
Carbon steel and alloy steel
S55C, SCM440, etc.
C55, 42CrMo4, etc.		 80 – 130 0.2 – 0.5
Prehardened steel
NAK80, PX5, etc.		 50 – 100 0.2 – 0.5
Grey cast iron
FC250, FC300, etc.
250, 300, etc.		 80 – 180 0.25 – 0.55
Ductile cast iron
FCD400, FCD600, etc.
400-15, 600-3, etc.		 80 – 140 0.25 – 0.55
Non ferrous materials 100 – 200 0.4 – 0.6
Hard materials 20 – 60 0.1 – 0.2

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