DoForce-Tri

Highly productive and cost-effective shoulder milling cutter

Economical shoulder mill with an innovative 6-edged geometry for maximum performance in various applications

Applications & Features

Inserts & Grades

Cutter bodies

Practical examples

Standard cutting conditions

Size 07 inserts

ISO	Workpiece material	Hardness	Priority	Grade	Cutting speed Vc (m/min)	Feed per tooth fz (mm/t)
	Carbon steel SS400, S15C, etc. E275A, C15E4, etc.	– 200 HB	First choice	AH3225	100 – 250	0.07 – 0.2
– 200 HB	For fracture resistance	AH3135	100 – 250	0.07 – 0.2
High Carbon steel, Alloy steel S45C, SCM440, etc. C45, 42CrMo4, etc.	– 300 HB	First choice	AH3225	100 – 230	0.07 – 0.15
– 300 HB	For fracture resistance	AH3135	100 – 230	0.07 – 0.15
Prehardened steel NAK80, PX5, etc.	30 – 40 HRC	First choice	AH3225	100 – 180	0.07 – 0.15
30 – 40 HRC	For fracture resistance	AH3135	100 – 180	0.07 – 0.15
	Stainless steel SUS304, etc. X5CrNi18-9, etc.	–	First choice	AH3135	90 – 200	0.07 – 0.15
–	For wear resistance	AH3225	90 – 200	0.07 – 0.15
	Grey cast iron FC250, etc. GG25, etc., 250, etc.	150 – 250 HB	First choice	AH120	140 – 250	0.07 – 0.2
150 – 250 HB	For fracture resistance	AH3225	140 – 250	0.07 – 0.2
Ductile cast iron FCD450, etc. GGG45, etc., 450-10S, etc.	150 – 250 HB	First choice	AH120	110 – 200	0.07 – 0.15
150 – 250 HB	For fracture resistance	AH3225	110 – 200	0.07 – 0.15
	Titanium alloys Ti-6Al-4V, etc.	–	First choice	AH3135	20 – 60	0.07 – 0.15
Heat-resistant alloys Inconel 718, etc.	–	First choice	AH120	20 – 40	0.07 – 0.1

Size 12 inserts

ISO	Workpiece material	Hardness	Priority	Grade	Chipbreaker	Cutting speed Vc (m/min)	Feed per tooth fz (mm/t)
	Carbon steel SS400, S15C, etc. E275A, C15E4, etc.	– 200 HB	First choice	AH3225	MJ	100 – 250	0.08 – 0.3
		– 200 HB	For fracture resistance	AH3135	MJ	100 – 250	0.08 – 0.3
		– 200 HB	For wear resistance	T3225	MJ	100 – 300	0.08 – 0.3
		– 200 HB	Low cutting force	AH3225	NMJ	100 – 250	0.08 – 0.14
	High Carbon steel, Alloy steel S45C, SCM440, etc. C45, 42CrMo4, etc.	– 300 HB	First choice	AH3225	MJ	100 – 230	0.08 – 0.3
		– 300 HB	For fracture resistance	AH3135	MJ	100 – 230	0.08 – 0.3
		– 300 HB	For wear resistance	T3225	MJ	100 – 280	0.08 – 0.3
		– 300 HB	Low cutting force	AH3225	NMJ	100 – 230	0.08 – 0.14
	Prehardened steel NAK80, PX5, etc.	30 – 40 HRC	First choice	AH3225	MJ	100 – 180	0.08 – 0.25
		30 – 40 HRC	For fracture resistance	AH3135	MJ	100 – 180	0.08 – 0.25
		30 – 40 HRC	For wear resistance	T3225	MJ	100 – 200	0.08 – 0.25
		30 – 40 HRC	Low cutting force	AH3225	NMJ	100 – 180	0.08 – 0.14
	Stainless steel SUS304, etc. X5CrNi18-9, etc.	–	First choice	AH3135	MJ	90 – 200	0.08 – 0.25
		–	For wear resistance	T3225	MJ	90 – 250	0.08 – 0.25
		–	Low cutting force	AH3135	NMJ	90 – 200	0.08 – 0.14
	Grey cast iron FC250, etc. GG25, etc., 250, etc.	150 – 250 HB	First choice	AH120	MJ	140 – 250	0.08 – 0.3
		150 – 250 HB	For fracture resistance	AH3225	MJ	140 – 250	0.08 – 0.3
		150 – 250 HB	For wear resistance	T1215	MJ	140 – 300	0.08 – 0.3
		150 – 250 HB	Low cutting force	AH120	NMJ	140 – 250	0.08 – 0.14
	Ductile cast iron FCD450, etc. GGG45, etc., 450-10S, etc.	150 – 250 HB	First choice	AH120	MJ	110 – 200	0.08 – 0.25
		150 – 250 HB	For fracture resistance	AH3225	MJ	110 – 200	0.08 – 0.25
		150 – 250 HB	For wear resistance	T1215	MJ	110 – 250	0.08 – 0.25
		150 – 250 HB	Low cutting force	AH120	NMJ	110 – 200	0.08 – 0.14
	Titanium alloys Ti-6Al-4V, etc.	–	First choice	AH3135	MJ	20 – 60	0.08 – 0.2
	Titanium alloys Ti-6Al-4V, etc.	–	Low cutting force	AH3135	NMJ	20 – 60	0.08 – 0.14
	Heat-resistant alloys Inconel 718, etc.	–	First choice	AH120	MJ	20 – 40	0.07 – 0.18
	Heat-resistant alloys Inconel 718, etc.	–	Low cutting force	AH120	NMJ	20 – 40	0.07 – 0.14

Note: For NMJ chipbreaker, use a feed rate that satisfi es the following theoretical chip thickness:

Designation	Chip thickness (mm)
TNMU120708PER-NMJ	< 0.2

For more information about this product, visit our online e-catalog or download the product report:

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Main product report_No. 501-G

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Main product report_No. 501-US

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Part:	Crankshaft
Material:	S55C / C55
Cutter:	TPTN12M160B40.0R10N (ø160, z = 10)
Insert:	TNMU120708PER-MJ
Grade:	AH3135
Cutting conditions:	Vc = 135 (m/min) fz = 0.157 (mm/t) Vf = 420 (mm/min) ap = 3 (mm) ae = 125 (mm) Application: Shoulder milling Coolant: Air blow Machine: Horizontal boring M/C, BT50

Part:	Machine part
Material:	SUS304 / X5CrNi18-9
Cutter:	EPTN07M025C25.0R04 (ø25, z = 4)
Insert:	TNMU070308PER-MJ
Grade:	AH3135
Cutting conditions:	Vc = 196 m/min fz = 0.13 mm/t Vf = 1298 mm/min ap = 2 mm ae = 25 mm Application: Grooving Coolant: Air Machine: Horizontal M/C, BT40

Part:	Bearing housing
Material:	FC250 / GG25 / 250
Cutter:	EPTN07M032C32.0R05 (ø32, z = 5)
Insert:	TNMU070308PER-MJ
Grade:	AH3135
Cutting conditions:	Vc = 320 m/min fz = 0.06 mm/t Vf = 960 mm/min ap = 2 mm ae = 24 mm Application: Grooving Coolant: Air Machine: Horizontal M/C, BT40

DoForce-Tri

Highly productive and cost-effective shoulder milling cutter

Applications & Features

Applications

Features

1. Innovative insert design for improved productivity

2. High machining flexibility

Inserts & Grades

Inserts

TN*U07

TN*U12

Main Grades

AH3135

AH120

AH3225

Cutter bodies

Shank Type

EPTN07/12 (ø18 – ø40 mm)

Bore Type

TPTN12 (ø50 – ø160mm)

Practical examples

Example #1

Automotive Industry

Example #2

General Engineering

Example #3

Automotive Industry

Standard cutting conditions

Size 07 inserts

Size 12 inserts

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Resources

SNS – Global

SNS – Tungaloy India Pvt. Ltd.