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TungTri-Shred

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Highly productive roughing cutter with serrated edges

High performance cutter with chip splitters for improved chatter stability and efficiency in rough milling with long overhang

Applications & Features

Applications

Shoulder millingDeep shoulder millingSlotting

Features

1. Anti Chatter Design

Serrated cutting edge creates smaller chips reducing chatter.

2. Intelligent and User friendly design

3. 2 types of inserts fit on the same cutter body

Inserts & Grades

Inserts

TC*T

  • Maximum depth of cut: 16 mm
Main Grades

AH3135

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

T3225

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

T1215

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

Cutter bodies

Shank Type

EPTC16 (ø50 mm)

Cylindrical type holder for shoulder milling

Bore Type

TPTC16 (ø50 – ø100 mm)

Bore type for shoulder milling

Other

LPTC16 (ø63, ø80 mm)

Long depth of cut shoulder milling

Practical examples

Example #1

General Engineering

Part: Machine parts
Material: SS400
Holder: LPTC16J063B25.4L061R03 (ø63, z = 3)
Insert: TCMT160620PDER-NMJ
Grade: AH3135
Cutting conditions: Vc = 150 (Competitor: Vc = 105) (m/min)
fz = 0.2 (mm/t)
Vf = 455 (mm/min)
ap = 50 (mm)
ae = 10 (mm)
Application: Shoulder milling
Coolant: Air
Machine: Tower M/C, BT50
Example #2

Automotive Industry

Part: Bracket
Material: SCSiMn2H
Holder: LPTC16M080B32.0L076R04 (ø80, z = 4)
Insert: TCMT160620PDER-NMJ
Grade: AH3135
Cutting conditions: Vc = 135 (Competitor: Vc = 126) (m/min)
fz = 0.33 (Competitor: fz = 0.3) (mm/t)
Vf = 709 (mm/min)
ap = 75 (mm)
ae = 5 (mm)
Application: Shoulder milling
Coolant: Air
Machine: Vertical M/C, BT40
Example #3

General Engineering Industry

Part: Flange
Material: FC300 / GG30
Holder: TPTC16M050B22.0R04 (ø50, z = 4)
Insert: TCMT160620PDER-NMJ
Grade: AH120
Cutting conditions: Vc = 150 (m/min)
fz = 0.18 (mm/t)
Vf = 700 (mm/min)
ap = 2 (mm)
ae = 10 (mm)
Application: Shoulder milling
Coolant: Wet
Machine: Horizontal M/C, BT40

Standard cutting conditions

ISO Workpiece materials Hardness Priority Grade Chipbreaker Cutting speed
Vc (m/min)		 Feed per tooth
fz (mm/t)
Low carbon steel
S15C, S20S, etc.
C15, C20, etc.		 – 300HB First choice AH3225 NMJ* 100 – 250 0.08 – 0.15
Fracture resistance AH3135 MJ 100 – 250 0.08 – 0.15
Wear resistance T3225 NMJ* 100 – 300 0.08 – 0.15
For finishing AH3225 MJ 100 – 250 0.08 – 0.20
Carbon steel and alloy steel
S55C, SCM440, etc.
C55, 42CrMo4, etc.		 – 300HB First choice AH3225 NMJ* 100 – 230 0.08 – 0.15
Fracture resistance AH3135 MJ 100 – 230 0.08 – 0.15
Wear resistance T3225 NMJ* 100 – 280 0.08 – 0.15
For finishing AH3225 MJ 100 – 230 0.08 – 0.20
Prehardened steel
NAK80, PX5, etc.		 30 – 40 HRC First choice AH3225 NMJ* 100 – 180 0.08 – 0.15
Fracture resistance AH3135 MJ 100 – 180 0.08 – 0.15
Wear resistance T3225 NMJ* 100 – 200 0.08 – 0.15
For finishing AH3225 MJ 100 – 180 0.08 – 0.20
Stainless steel
SUS304, SUS316, etc.
X5CrNi18-9, X5CrNiMo17-12-3, etc.		 – 250HB First choice AH3135 NMJ* 90 – 200 0.08 – 0.15
Wear resistance T3225 NMJ* 90 – 250 0.08 – 0.15
For finishing AH3135 MJ 90 – 200 0.08 – 0.20
Grey cast iron
FC250, FC300, etc.
250, 300, etc.		 150 – 250HB First choice AH8015 NMJ* 140 – 250 0.08 – 0.15
Wear resistance T1215 NMJ* 150 – 300 0.08 – 0.15
For finishing AH8015 MJ 140 – 250 0.08 – 0.25
Ductile cast iron
FCD400, FCD600, etc.
400-15S, 600-3, etc.		 150 – 250HB First choice AH8015 NMJ* 140 – 250 0.08 – 0.15
Wear resistance T1215 NMJ* 150 – 300 0.08 – 0.15
For finishing AH8015 MJ 140 – 250 0.08 – 0.25
Titanium alloys
Ti-6AI-4V, etc.		 – First choice AH8015 NMJ* 20 – 60 0.08 – 0.15
Fracture resistance AH3135 NMJ* 20 – 60 0.08 – 0.15
For finishing AH8015 MJ 20 – 60 0.08 – 0.18
Heat-resistant alloys
Inconel718, etc.		 – First choice AH8015 NMJ* 20 – 40 0.08 – 0.13
For finishing AH8015 MJ 20 – 40 0.08 – 0.15

* When using the -NMJ chipbreaker, do not feed higher than 0.15 mm/t.

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