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Face Milling Cutter with 8 Cutting Edge Insert for Ultimate Clearance

Milling cutter with 8 cornered insert for high utilization in face milling operations

Applications & Features

Applications

Face milling

Features

1. Face milling cutter with maximum clearance and economy

• Designed to avoid tool interference in rough and finish face milling operations.
• Wiper insert is also available for precision surface finish requirements.

2. Cutter design optimized for low cutting force and chattering prevention

• Stable cutting performance due to the concave shape cutting edges.
• Reinforced insert with resistance to fracture.

Inserts & Grades

Inserts

SNMU1206*EN-MM

  • Maximum depth of cut: 9.5 mm
  • 8 corners insert for face milling
Main Grades

AH3135

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

T1215

  • Good balance between wear and chipping resistance
  • Suitable for milling cast iron

T3225

  • High chipping and fracture resistance
  • Suitable for milling steel and stainless steel

Cutter bodies

Bore Type

THSN12 (ø50 – ø100 mm)

Bore type for face milling

Practical examples

Example #1

Automotive Industry

Part: Steering knuckle
Material: FCD450
Cutter: THSN12M050B22.0R04 (ø50 mm, z = 4)
Insert: SNMU120620EN-MM
Grade: AH3135
Cutting conditions: Vc = 142 (m/min)
fz = 0.22 (mm/t)
Vf = 800 (mm/min)
ap = 2 (mm)
ae = 30 (mm)
Application: Face milling
Coolant: External
Machine: Vertical M/C
Example #2

Automotive Industry

Part: Shaft
Material: Alloy steel (35HRC)
Cutter: THSN12M050B22.0R04 (ø50 mm, z = 4)
Insert: SNMU120620EN-MM
Grade: AH3135
Cutting conditions: Vc = 236 (m/min)
fz = 0.1 (mm/t)
Vf = 600 (mm/min)
ap = 2 (mm)
ae = 35 (mm)
Application: Face milling
Coolant: External
Machine: Vertical M/C
Example #3

Automotive Industry

Part: Shaft
Material: Alloy steel
Cutter: THSN12M050B22.0R04 (ø50 mm, z = 4)
Insert: SNMU120620EN-MM
Grade: AH3135
Cutting conditions: Vc = 157 (m/min)
fz = 0.2 (mm/t)
Vf = 800 (mm/min)
ap = 2 (mm)
ae = 40 (mm)
Application: Shoulder milling
Coolant: External supply
Machine: Vertical M/C

Standard cutting conditions

ISO Workpiece materials Hardness Priority Grades Chip-breaker Cutting speed
Vc (m/min)		 Feed per tooth
fz (mm/t)
Low carbon steels
S15C, etc.
C15E4, etc., C15E, etc.		 – 200HB First choice AH3225 MM 100 – 250 0.06 – 0.3
– 200HB For wear resistance T3225 MM 200 – 350 0.06 – 0.25
High carbon and alloy steel
S55C, SCM440, etc.
C55, 42CrMo4, etc.		 – 300HB First choice AH3225 MM 100 – 250 0.06 – 0.3
– 300HB For wear resistance T3225 MM 180 – 300 0.06 – 0.25
Prehardened steel
NAK80, PX5, etc.		 30 – 40 HRC First choice AH3225 MM 100 – 200 0.06 – 0.25
30 – 40 HRC For wear resistance T3225 MM 150 – 250 0.06 – 0.2
Austenitic stainless steel
SUS304, SUS316, etc.
X5CrNi18-9, X5CrNiMo17-12-3, etc.		 – 200HB First choice AH3135 MM 100 – 200 0.06 – 0.25
– 200HB For wear resistance T3225 MM 100 – 200 0.06 – 0.2
Stainless cast steel
SCH20XNb, 1.4849, etc.		 – First choice T3225 MM 60 – 120 0.06 – 0.2
– For fracture resistance AH3135 MM 60 – 120 0.06 – 0.2
Grey cast iron
FC250, etc.
250, etc., GG25, etc.		 150 – 250HB First choice T1215 MM 100 – 350 0.06 – 0.3
150 – 250HB For fracture resistance AH120 MM 100 – 250 0.06 – 0.3
Ductile cast iron
FCD600, etc.
600-3, etc., GGG60, etc.		 150 – 250HB First choice T1215 MM 100 – 350 0.06 – 0.25
150 – 250HB For fracture resistance AH120 MM 80 – 200 0.06 – 0.3
Titanium alloys
Ti-6AI-4V, etc.		 – 40HRC First choice AH3135 MM 30 – 60 0.06 – 0.2
Heat-resistant alloys
Inconel718, etc.		 – 40HRC First choice AH120 MM 10 – 40 0.04 – 0.16
Hardened steel
SKD61, etc., X40CrMoV5-1, etc.		 40 – 50HRC First choice AH3225 MM 80 – 130 0.04 – 0.16
Hardened steel
SKD11, etc., X153CrMoV12, etc.		 50 – 60HRC First choice AH120 MM 50 – 70 0.02 – 0.08

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