TungTri-Shred

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 milling Deep shoulder milling Slotting

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

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Main Grades

AH3135

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

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T3225

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

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T1215

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

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Cutter bodies

Shank Type

EPTC16 (ø50 mm)

Cylindrical type holder for shoulder milling

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Bore Type

TPTC16 (ø50 – ø100 mm)

Bore type for shoulder milling

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Other

LPTC16 (ø63, ø80 mm)

Long depth of cut shoulder milling

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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

Workpiece materials	Hardness	Priority	Grade	Chip-breaker	Cutting speed Vc (m/min)	Feed per tooth fz (mm/t)
Low carbon steel (C15, C20, etc.)	– 300HB	First choice	AH3135	NMJ	100 – 250	0.08 – 0.15
	– 300HB	For wear resistance	T3225	NMJ	100 – 300	0.08 – 0.15
	– 300HB	For finishing	AH3135	MJ	100 – 250	0.08 – 0.20
Carbon steel and alloy steel (S55C / C55, SCM440 / 42CrMo4, etc.)	– 300HB	First choice	AH3135	NMJ	100 – 230	0.08 – 0.15
	– 300HB	For wear resistance	T3225	NMJ	100 – 280	0.08 – 0.15
	– 300HB	For finishing	AH3135	MJ	100 – 230	0.08 – 0.20
Prehardened steel (NAK80, PX5, etc.)	30 – 40 HRC	First choice	AH3135	NMJ	100 – 180	0.08 – 0.15
	30 – 40 HRC	For wear resistance	T3225	NMJ	100 – 200	0.08 – 0.15
	30 – 40 HRC	For finishing	AH3135	MJ	100 – 180	0.08 – 0.20
Stainless steel (SUS304 / X5CrNi18-9, SUS316 / X5CrNiMo17-12-3, etc.)	–	First choice	AH3135	NMJ	90 – 200	0.08 – 0.15
	–	For wear resistance	T3225	NMJ	90 – 250	0.08 – 0.15
	–	For finishing	AH3135	MJ	90 – 200	0.08 – 0.20
Grey cast iron (FC250 / 250, FC300 / 300, etc.)	150 – 250HB	First choice	AH120	NMJ	140 – 250	0.08 – 0.15
	150 – 250HB	For wear resistance	T1215	NMJ	150 – 300	0.08 – 0.15
	150 – 250HB	For finishing	AH120	MJ	140 – 250	0.08 – 0.25
Ductile cast iron (400-15, FCD600 / 600-3, etc.)	150 – 250HB	First choice	AH120	NMJ	140 – 250	0.08 – 0.15
	150 – 250HB	For wear resistance	T1215	NMJ	150 – 300	0.08 – 0.15
	150 – 250HB	For finishing	AH120	MJ	140 – 250	0.08 – 0.25
Titanium alloys (Ti-6AI-4V, etc.)	–	First choice	AH120	NMJ	20 – 60	0.08 – 0.15
Titanium alloys (Ti-6AI-4V, etc.)	–	For finishing	AH120	MJ	20 – 60	0.08 – 0.18
Heat-resistant alloys (Inconel718, etc.)	–	First choice	AH120	NMJ	20 – 40	0.08 – 0.13
Heat-resistant alloys (Inconel718, etc.)	–	For finishing	AH120	MJ	20 – 40	0.08 – 0.15