TCB

Applications & Features

Inserts & Grades

Cutter bodies

Practical examples

Example #1

Automotive Industry

Part:	Con-rods
Material:	S55C / C55
Drill:	TCB170F25
Insert:	SPMP831DS
Grade:	T313W
Cutting conditions:	Vc = 160 (m/min) f = 0.2 (mm/rev) Vf = 600 (mm/min) H = 24 (mm) Application: Boring Coolant: Wet Machine: Dedicated machine

Example #2

General Engineering

Part:	Valve
Material:	FC250 / GG25 / 250
Drill:	TCB240F25
Insert:	SPMP042ERD
Grade:	T313W
Cutting conditions:	Vc= 180 (m/min) f= 0.3 (mm/rev) Vf= 720 (mm/min) H= 30 (mm) Application: Boring Coolant: Wet Machine: Horizontal M/C, BT50

Example #3

General Engineering

Part:	Bearing
Material:	S45C / C45
Drill:	TCB-320
Insert:	SPMM322ERD
Grade:	T313W
Cutting conditions:	Vc= 150 (m/min) f= 0.25 (mm/rev) Vf= 375 (mm/min) H= 40 (mm) Application: Boring Coolant: Wet Machine: NC lathe

Standard cutting conditions

Counter boring

ISO	Workpiece material	Hardness	Cutting speed Vc (m/min)	Feed : f (mm/rev)
				ø10 – 12 (z = 1)	ø13 – 59 (z = 2)
	Carbon steel	– 300 HB	80 – 200	0.03 – 0.08	0.1 – 0.3
	Stainless steel	– 200 HB	80 – 150	0.03 – 0.05	0.06 – 0.15
	Grey cast iron	150 – 250 HB	80 – 200	0.05 – 0.1	0.1 – 0.4
	Non-ferrous	–	100 – 300	0.05 – 0.2	0.1 – 0.4
	Superalloys	– 40 HRC	50 – 80	0.03 – 0.05	0.06 – 0.15
	Hard materials	– 50 HRC	50 – 80	0.03 – 0.05	0.06 – 0.15

Milling

ISO	Workpiece material	Hardness	Cutting speed Vc (m/min)	Feed per tooth fz (mm/t)
	Carbon steel	– 300 HB	80 – 200	0.05 – 0.15
	Stainless steel	– 200 HB	80 – 150	0.05 – 0.1
	Grey cast iron	150 – 250 HB	80 – 200	0.05 – 0.2
	Non-ferrous	–	100 – 300	0.1 – 0.2
	Superalloys	– 40 HRC	50 – 80	0.05 – 0.08
	Hard materials	– 50 HRC	50 – 80	0.05 – 0.08

Internal boring (With one cutting edge)

ISO	Workpiece material	Hardness	Cutting speed Vc (m/min)	Depth of cut ap (mm)	Feed fz (mm/t)
	Carbon steel	– 300 HB	80 – 200	0.5 –	0.05 – 0.15
	Stainless steel	– 200 HB	80 – 150	0.5 –	0.05 – 0.1
	Grey cast iron	150 – 250 HB	80 – 200	0.5 –	0.05 – 0.2
	Non-ferrous	–	100 – 300	0.5 –	0.1 – 0.2
	Superalloys	– 40 HRC	50 – 80	0.5 –	0.05 – 0.08
	Hard materials	– 50 HRC	50 – 80	0.5 –	0.05 – 0.08