Brake Drum

Funik CBN cutting tool:

The life is improved by 900%

The efficiency is promoted by 75%

Workpiece name:

Brake drum
Workpiece material:

HT250
Workpiece hardness:

HB190-210
Machining position:

Inner diameter of brake surface
Machining type:

Continuous, rough machining
Inserts grade:

FBN7630
Insert specification:

CNMN120716
Cutting type:

Wet cutting
Cutting parameters:

Vc=700m/min

ap=2-3mm

f = 0.45mm/r

Cutting tool contrast	Cutting speed Vc(m/min)	Efficiency (min/pcs)	Life (pcs/edge)
Japanese coated alloy	220	12	10
Funik FBN7630	700	3	100

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Funik CBN cutting tool:

The life is improved by 300%

The efficiency is promoted by 43%

Workpiece name:

Brake drum
Workpiece material:

HT250
Workpiece hardness:

HB190-210
Machining position:

Outer circle, inner diameter
Machining type:

Continuous, rough machining
Inserts grade:

FBN7630
Insert specification:

CNMN120716
Cutting type:

Wet cutting
Cutting parameters:

Vc=1130m/min

ap=2-3mm

f = 0.5mm/r

Cutting tool contrast	Cutting speed Vc(m/min)	Efficiency (min/pcs)	Life (pcs/edge)
Domestic CBN	920	3.5	15
Funik FBN7630	1130	2	60

Funik CBN cutting tool:

The life is improved by 350%

The efficiency is promoted by 33%

Workpiece name:

Brake drum
Workpiece material:

HT250
Workpiece hardness:

HB190-210
Machining position:

Inner hole of brake surface
Machining type:

Fine turning
Inserts grade:

FBS7630
Insert specification:

WNGA080412
Cutting type:

Wet cutting
Cutting parameters:

Vc=550m/min

ap=0.5mm

f = 0.2mm/r

Cutting tool contrast	Cutting speed Vc(m/min)	Efficiency (min/pcs)	Life (pcs/edge)
Coated alloy	280	3	20
Funik FBS7630	550	2	90

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