RoundSplit

Applications & Features

Inserts & Grades

Cutter bodies

Practical examples

Example #1

Workpiece type:	Die & mold parts
Material:	S50C / C50
Cutter:	TRC12R050M22.0-05 (ø50 mm, CICT = 5)
Insert:	RCMT1204EN-NMJ
Grade:	AH725
Cutting conditions:	Vc = 220 (m/min) fz = 0.09 (mm/t) ap = 5.5 (mm) ae = 32 (mm) Application: Shoulder milling Coolant: Dry Machine: Vertical M/C, BT40

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Standard cutting conditions

ISO	Workpiece material	Hardness HB	Priority	Grade	Cutting speed Vc (m/min)	Feed per tooth: fz (mm/t) each chipbreaker
						MJ	NMJ	NAJ
	Low carbon steels S15C, SS400, etc. C15E4, E275A, etc.	– 200	First choice	AH3135	100 – 200	0.2 – 0.7	0.17 – 0.3	–
			For wear resistance	AH120
	High carbon steels S45C, S55C, etc. C45, C55, etc.	200 – 300	First choice	AH3135	100 – 200	0.2 – 0.7	0.17 – 0.25	–
			For wear resistance	AH120
	Alloyed steels SCM440, SCr415, etc. 42CrMo4, 20Cr4, etc.	150 ~ 300	First choice	AH3135	100 – 200	0.2 – 0.7	0.17 – 0.25	–
			For wear resistance	AH120
	Tool steels SK, SKH, etc. X40CrMoV5-1, etc.	– 300	First choice	AH3135	100 – 180	0.2 – 0.7	0.17 – 0.25	–
			For wear resistance	AH120
	Stainless steels SUS304, SUS316, etc. X5CrNi18-9, X5CrNiMo17-12-3, etc.	–	First choice	AH3135	90 – 180	0.2 – 0.6	0.15 – 0.25	–
			For impact resistance	AH140
	Grey cast irons FC250, FC300, etc. 250, 300, etc.	150 – 250	First choice	AH3135	140 – 250	0.2 – 0.7	0.17 – 0.3	–
			For wear resistance	AH120
	Ductile cast irons FCD400, etc. 400-15S, etc.	150 – 250	First choice	AH3135	140 – 250	0.2 – 0.7	0.17 – 0.3	–
			For wear resistance	AH120
	Aluminium alloys Si < 13%	–	–	KS15F	500 – 1200	–	–	0.1 – 0.3
	Aluminium alloys Si ≥ 13%	–	–	KS15F	100 – 300	–	–	0.1 – 0.3
	Heat-resistant alloy Inconel 718, Ti-6Al-4V, etc.	–	First choice	AH3135	20 – 50	0.2 – 0.6	0.15 – 0.25	–
			For wear resistance	AH725