DoTriple-Mill

Applications & Features

Applications

Face milling

Features

1. High Versatility

• 3 types of double sided inserts fit in the same pocket.

2. Rigid clamping provided with Dovetail structure

• Improved performance especially in machining high-temperature materials.
• Extended tool life.

Inserts & Grades

Cutter bodies

Practical examples

Example #1

Power Generation Industry

Part:	Turbine blade
Material:	10705BU (Stainless steel)
Cutter:	TASN13J100B31.7R08 (ø100, z = 8)
Insert:	ONGU0507ANEN-MJ
Grade:	AH3135
Cutting conditions:	Vc = 79 (m/min) fz = 0.10 (mm/t) Vf = 201 (mm/min) ap = 2.0 (mm) Application: Face milling (Roughing) Coolant: External Machine: Horizontal M/C, BT50

Example #2

Automotive Industry

Part:	Turbine housing
Material:	GX40CrNiSiNb22-10
Cutter:	TASN13M100B32.0R08 (ø100, z = 8)
Insert:	SNGU1307ANEN-MJ
Grade:	AH3135
Cutting conditions:	Vc = 94 (m/min) fz = 0.17 (mm/t) Vf = 408 (mm/min) ap = 3.5 (mm) ae = 80 (mm) Application: Face milling Coolant: External Machine: Vertical M/C

Example #3

Automotive Industry

Part:	Turbine housing
Material:	Hi Si FCD
Cutter:	TASN13M125B40.0R10 (ø125, z = 10)
Insert:	SNGU1307ANEN-MJ
Grade:	AH3135
Cutting conditions:	Vc = 196 (m/min) fz = 0.08 (mm/t) Vf = 400 (mm/min) ap = 1.3 (mm) ae = 100 (mm) Application: Face milling (Roughing) Coolant: External Machine: Vertical M/C, BT50

Standard cutting conditions

SNMU / SNGU / ONMU / ONGU

ISO	Workpiece materials		Hardness	Priority	Grades	Chip-breaker	Cutting speed Vc (m/min)	Feed per tooth fz (mm/t)
	Low carbon steel S15C, etc. C15, etc.		200 – 300HB	First choice	AH3225	MJ	100 – 250	0.1 – 0.5
				For wear resistance	T3225	MJ	200 – 350	0.1 – 0.4
	High carbon and alloy steel S55C, SCM440, etc. C55, 42CrMo4, etc.		150 – 300HB	First choice	AH3225	MJ	100 – 250	0.1 – 0.4
				For wear resistance	T3225	MJ	180 – 300	0.1 – 0.4
	Prehardened steel NAK80, PX5, etc.		30 – 40 HRC	First choice	AH3225	MJ	100 – 200	0.1 – 0.4
				For wear resistance	T3225	MJ	150 – 250	0.1 – 0.4
	Stainless steel SUS304, SUS316, etc. X5CrNi18-9, X5CrNiMo17-12-3, etc.		– 200HB	First choice	AH3135	MJ	100 – 200	0.1 – 0.35
				For wear resistance	T3225	MJ	100 – 200	0.1 – 0.3
	Stainless cast steel SCH20XNb, 1.4849, etc.		–	First choice	T3225	MH	60 – 120	0.1 – 0.3
				For low cutting force	AH3135	MJ	60 – 120	0.1 – 0.3
	Grey cast iron FC250, etc. 250, etc., GG25, etc.		150 – 250HB	First choice	T1215	MJ	100 – 300	0.1 – 0.4
					AH120	MJ	100 – 250	0.1 – 0.5
	Ductile cast iron FCD600, etc. 600-3, etc., GGG60, etc.		150 – 250HB	First choice	T1215	MJ	100 – 300	0.1 – 0.4
					AH120	MJ	80 – 200	0.1 – 0.5
	Titanium alloys Ti-6AI-4V, etc.		– 40HRC	First choice	AH3135	MJ	30 – 60	0.1 – 0.3
	Heat-resistant alloys Inconel718, etc.		– 40HRC	First choice	AH120	MJ	10 – 40	0.05 – 0.15
	Hardened steel	SKD61, etc. X40CrMoV5-1, etc.	40 – 50HRC	First choice	AH3225	MJ	80 – 130	0.1 – 0.2
		SKD11, etc. X153CrMoV12, etc.	50 – 60HRC	First choice	AH120	MJ	50 – 70	0.03 – 0.1

RNMU

ISO	Workpiece materials		Hardness	Priority	Grades	Chip-breaker	Cutting speed Vc (m/min)	Feed per tooth fz (mm/t)
	Low carbon steel S15C, etc. C15, etc.		200 – 300HB	First choice	AH3225	MJ	100 – 250	※ap = 6 mm : 0.1 – 0.3 ※ap = 2 mm : 0.4 – 0.8 ※ap = 1 mm : 0.8 – 1.5
				For wear resistance	T3225	MJ	200 – 350
	High carbon and alloy steel S55C, SCM440, etc. C55, 42CrMo4, etc.		150 – 300HB	First choice	AH3225	MJ	100 – 250
				For wear resistance	T3225	MJ	180 – 300
	Prehardened steel NAK80, PX5, etc.		30 – 40 HRC	First choice	AH3225	MJ	100 – 200
				For wear resistance	T3225	MJ	150 – 250
	Stainless steel SUS304, SUS316, etc. X5CrNi18-9, X5CrNiMo17-12-3, etc.		– 200HB	First choice	AH3135	MJ	100 – 200	※ap = 6 mm : 0.1 – 0.25 ※ap = 2 mm : 0.3 – 0.7 ※ap = 1 mm : 0.6 – 1.3
				For wear resistance	T3225	MJ	100 – 200
	Stainless cast steel SCH20XNb, 1.4849, etc.		–	First choice	T3225	MJ	60 – 120	※ap = 2 mm : 0.2 – 0.4 ※ap = 1 mm : 0.3 – 0.8
				For fracture resistance	AH3135	MJ	60 – 120
	Grey cast iron FC250, etc. 250, etc., GG25, etc.		150 – 250HB	First choice	AH120	MJ	100 – 300	※ap = 6 mm : 0.1 – 0.3 ※ap = 2 mm : 0.4 – 0.8 ※ap = 1 mm : 0.8 – 1.5
					T1215	MJ	100 – 250
	Ductile cast iron FCD600, etc. 600-3, etc., GGG60, etc.		150 – 250HB	First choice	AH120	MJ	100 – 300
					T1215	MJ	80 – 200
	Titanium alloys Ti-6AI-4V, etc.		– 40HRC	First choice	AH3135	MJ	30 – 60	ap = 1 mm : 0.15 – 0.8
	Heat-resistant alloys Inconel718, etc.		– 40HRC	First choice	AH120	MJ	10 – 40	ap = 1 mm : 0.05 – 0.3
	Hardened steel	SKD61, etc. X40CrMoV5-1, etc.	40 – 50HRC	First choice	AH3225	MJ	80 – 130	ap = 1 mm : 0.1 – 0.25
		SKD11, etc. X153CrMoV12, etc.	50 – 60HRC	First choice	AH120	MJ	50 – 70	ap = 0.5 mm : 0.03 – 0.1

※ When using T3225 or T1215, decrease the feed per tooth (fz) to 80% of the abovementioned value.