DoPent

product_Milling_DoPent

High-speed face milling with superior surface finish

Economical face milling cutter with high productivity for all materials

Applications & Features

Face milling

1. Economical pentagonal insert

• Double-sided insert with 10 cutting edges.

2. Low cutting force

3. Wide line-up of inserts for various machining

Inserts & Grades

Inserts

PN*U0905

  • Maximum depth of cut = 6.4 mm (except -W)
  • 10 corner inserts for face milling
  • PNCU0905-W is wide wiper insert (2 corners)
Main Grades

AH3135

  • High fracture resistance
  • Suitable for machining steel and stainless steel under general cutting conditions

AH3225

  • Good balance between wear and fracture resistance
  • Suitable for steel and stainless steel

AH8015

  • Good balance between wear and fracture resistance
  • First choice for machining heat-resistant alloy under general cutting conditions

Cutter bodies

Shank Type

EEN09 (ø32 – ø80 mm)

Cylindrical type holder for face milling

Bore Type

TEN09 (ø50 – ø315 mm)

Bore type for face milling

Practical examples

Part: Pump housing
Material: SKD11
Cutter: TEN09R125M38.1-06 (ø125 mm, z = 6)
Insert: PNCU0905GNEN-ML
Grade: AH3135
Cutting conditions: Vc = 120 (m/min)
fz = 0.25 (mm/t)
Vf = 458 (mm/min)
ap = 3 (mm)
ae = 60 (mm)
Application: Face milling
Coolant: Dry
Machine: Horizontal M/C
Part: Rolling die material
Material: Tool steel
Cutter: TEN09R160M50.8-12 (ø160 mm, z = 12)
Insert: PNMU0905GNEN-MJ
Grade: AH3225
Cutting conditions: Vc = 300 (m/min)
fz = 0.1 (mm/t)
Vf = 716 (mm/min)
ap = 0.8 (mm)
ae = 50 (mm)
Application: Face milling
Coolant: Dry
Machine: Horizontal M/C
Part: EGR valve
Material: FC250 / 250
Cutter: TEN09R125M38.1-06 (ø125 mm, z = 6)
Insert: PNCU0905GNEN-MJ
Grade: AH120
Cutting conditions: Vc = 390 (m/min)
fz = 0.15 (mm/t)
Vf = 900 (mm/min)
ap = 0.9 (mm)
ae = 75 (mm)
Application: Face milling
Coolant: External supply
Machine: Vertical M/C、6kW
Process: ,
Machine:

Standard cutting conditions

ISO Workpiece materials Hardness
HB
Selection
criteria
Recommended
grade
Chip-
breaker
Cutting speed
Vc (m/min)
Feed per tooth
fz (mm/t)
Low carbon steels
S15C, C15E4, etc.S15C, C15E4, etc.
C15, etc.
200 – 300 HB First choice AH3225 MJ 100 – 250 0.1 – 0.4
200 – 300 HB Low cutting force AH3225 ML 100 – 250 0.1- 0.3
200 – 300 HB Wear resistance T3225 MJ 200 – 350 0.1- 0.3
200 – 300 HB Surface quality NS740 MJ 100 – 250 0.1- 0.3
High carbon steels, alloyed steels
S45C, SCM440, etc.S45C, SCM440, etc.
C45, 42CrMo4, etc.
150 – 300 HB First choice AH3225 MJ 100 – 250 0.1- 0.35
150 – 300 HB Low cutting force AH3225 ML 100 – 250 0.1- 0.3
150 – 300 HB Wear resistance T3225 MJ 180 – 300 0.1- 0.3
150 – 300 HB Surface quality NS740 MJ 100 – 250 0.1- 0.3
Prehardened steels
NAK80, PX5, etc.
30 – 40 HRC First choice AH3225 MJ 100 – 200 0.1- 0.3
30 – 40 HRC Low cutting force AH3225 ML 100 – 200 0.1- 0.25
30 – 40 HRC Wear resistance T3225 MJ 150 – 250 0.1- 0.25
Stainless steels
SUS304, etc.SUS304, etc.
X5CrNi18-9, etc.
– 200 HB First choice AH3135 ML 100 – 200 0.1 – 0.3
– 200 HB Fracture resistance AH3135 MJ 100 – 200 0.1 – 0.35
– 200 HB Wear resistance T3225 MJ 100 – 250 0.1 – 0.3
Grey cast irons
FCD400, etc.FCD400, etc.
250, etc.
150 – 250 HB First choice T1215 MJ 100 – 300 0.1 – 0.35
150 – 250 HB Fracture resistance AH120 MJ 100 – 250 0.1 – 0.4
Ductile cast irons
FCD400, etc.FCD400, etc.
400-15S, etc.
150 – 250 HB First choice T1215 MJ 100 – 300 0.1 – 0.35
150 – 250 HB Fracture resistance AH120 MJ 80 – 200 0.1 – 0.4
Aluminium alloys
Si < 13%
First choice KS05F AJ 500 – 1500 0.1 – 0.5
Aluminium alloys
Si ≥ 13%
First choice KS05F AJ 150 – 500 0.1 – 0.5
Titanium alloys
Ti-6Al-4V, etc.
– 40 HRC First choice AH3135 ML 30 – 60 0.1 – 0.3
– 40 HRC Fracture resistance AH3135 MJ 30 – 60 0.1 – 0.3
Heat-resistant alloys
Inconel 718, etc.
– 40 HRC First choice AH725 MJ 10 – 40 0.04 – 0.1
Hardened materials
SKD61, X40CrMoV5-1, etc.
– 45 HRC First choice AH8015 MJ 80 – 150 0.05 – 0.15
– 45 HRC Low cutting force AH8015 ML 80 – 150 0.05 – 0.15
  • Remove excessive chips with an air blast to prevent chip jamming.
  • Use water-soluble coolant to avoid built-up edge in case extreme welding occurs on cutting edges. (ex. aluminium machining).
  • For operations with a varied depth of cut (ex. casting skin) and machining of workpiece materials with interrupted surface, the feed (fz) should be set to the lower recommended value shown in the above table.
  • Cutting conditions may be limited depending on machine power, workpiece rigidity,and spindle output. When the cutting width, depth or overhang length is large,
    set Vc and fz to the lower recommended values and check the machine power and vibration.
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