DoTriple-Mill

Applications & Features

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

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Standard cutting conditions

SNMU / SNGU / ONMU / ONGU

ISO	Workpiece materials		Hardness	Priority	Grades	Chipbreaker	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
	Cast stainless 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.		150 — 250HB	First choice	AH8015	MJ	100 — 250	0.1 — 0.5
				For wear resistance	T1215	MJ	100 — 300	0.1 — 0.4
	Ductile cast iron FCD600, etc. 600-3, etc.		150 — 250HB	First choice	AH8015	MJ	80 — 200	0.1 — 0.5
				For wear resistance	T1215	MJ	100 — 300	0.1 — 0.4
	Titanium alloys Ti-6AI-4V, etc.		— 40HRC	First choice	AH3135	MJ	30 — 60	0.1 — 0.3
				For wear resistance	AH8015	MJ	30 — 60	0.1 — 0.3
	Heat-resistant alloys Inconel718, etc.		— 40HRC	First choice	AH8015	MJ	10 — 40	0.05 — 0.15
				For fracture resistance	AH3135	MJ	10 — 40	0.05 — 0.15
	Hardened steel	SKD61, etc. X40CrMoV5-1, etc.	40 — 50HRC	First choice	AH8015	MJ	80 — 130	0.05 — 0.2
				For fracture resistance	AH3225	MJ	80 — 130	0.05 — 0.2
		SKD11, etc. X153CrMoV12, etc.	50 — 60HRC	First choice	AH8015	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.