CBN / Coated CBN CBN Grade Guidance Recommended Cutting Conditions
Cast Iron
● Turning
Part Material
Recommended Cutting Conditions
Recommended Grades
Cutting Speed v c (SFM)
Depth of Cut a p (Inch) ≤ .039
Feed Rate (IPR)
f
Material
Standard (Hardness)
330
3,300
6,600
.0039 - .0197
BN7125 / BN7000 BNC8115 / BNS8125
1,650
6,600
FC200 to FC300 (HB ≤ 230)
.0039 - .0157 ≤ .0197 .0039 - .0394 ≤ .157 .0039 - .0197 ≤ .039 .0039 - .0314≤ .0787
Gray Cast Iron
650
6,600
BN500
650
2,310
BN7125 / BN7000 BNS8125 BNC500 BN7125 / BN7000
650
2,650
Alloy Cast Iron
(HB ≥ 200)
L
650
3,300
.0039 - .0157 .0039 - .0157
≤ .0197 ≤ .0236
FCD450
260 650
Up to FCD550
500
1,650
Ductile Cast Iron
FCD600
BNC500
.0039 - .0157 ≤ .0197
Up to FCD700
650 400
Vermicular Cast Iron FCV(CGI)
Q
BNC500
.0039 - .0157≤ .0157
650
1,650
Cutting Oil: Use wet. (BNS800 can also be used dry)
● Milling
Part Material
Recommended Cutting Conditions
Recommended Grade
Cutting Speed v c (SFM)
Depth of Cut a p (inch)
Feed Rate (IPR)
f
Material
Standard (Hardness)
330
3,300
6,600
BN7125 BN7000
.0039 - .0197
≤ .0197
2,650
6,600
FC200 to FC300 (HB ≤ 200)
Gray Cast Iron
.0039 - .0394≤ .1575
BNS8125
2,650
6,600
Cutting Oil: Use dry.
Performance
BN7000 / BNS800 / BN500 Gray Cast Iron Cutting Recommended Grade BN7125 / BN7000 / BNC8115 / BNS8125 / BN500 Gray Cast Iron Turning Recommended Grades BN7125 / BN7000 / BNC8115 / BNS8125 / BN500 Gray Cast Iron Turning Recommended Grades
● High Speed Continuous Cutting D High Speed Continuous Cutting D High Speed Continuous Cutting
● Interrupted Cutting D Interrupted Cutting D Interrupted Cutting
● Continuous Cutting D Continuous Cutting D Continuous Cutting
.0024 .0016 .0032 .0040 .0008 .0016 .0024 .0032 .0040 .0048 .0056 .0064 .0008
.0008 .0016 .0024 .0032 .0040 .0048 .0056 .0064
Conventional CBN
Conventional CBN
Breakage Fracture
.0118
Fracture
0.3
0.3
.0039
BN7125 Conventional CBN
0.1
0.1
BN7125
Ceramics
BN7125
Ceramics
D
Ceramics
Competitor's Solid CBN
D Competitor's Solid CBN
Competitor's solid product CBN
.0079
D D
D
0.2
0.2
D
D
BN500
D
BN500
BNS8125 BNS8125 Able to continue Able to Continue
BN500
D
D
.0019
D
BNS8125 Able to continue
D
0.05
D
D
0.05
.0039
D
0.1
0.1
D
D
D
D
D
D
D
D
0
40 80 120 160 200 Time in Cut (minutes) 20 40 60 80 100 Cutting Distance (km) 20 40 60 80 100 Cutting Distance (km)
0
25
50
75 100
0
Time in Cut (minutes) Cutting Distance (km) 1 2 3 4 5 6 Cutting Distance (km) 1 2 3 4 5 6 1.66 3.33 5 6.67 8.33 10 D
11.67
D
0
Time in Cut (minutes) 0 12243648607284 Time in Cut (minutes) Part Material: Cast Iron (Pearlite) Tool Cat. No.: 2NU-CNGA432 Cutting Conditions: v c =2,650 SFM, f = .0059 IPR a p = .0079" Wet 0 12243648607284 Time in Cut (minutes)
0
7
0
0
7
Part Material: Cast Iron (Pearlite) Tool Cat. No.: SNG322 Cutting Conditions: v c =2,000 SFM, f = .0118 IPR a p = .0197" Dry
Part Material: FC300 (Pearlite) Tool Cat. No.: SNG433 Cutting Conditions: v c =1,650 SFM, f =.0117 IPR a p = .0059" Wet
BNC500 Recommended Grade
Recommended Grade
BNS800 / BN7000
Turning Ductile Cast Iron
Milling Gray Cast Iron
● Cast Iron Milling
● FCD450
● FCD700
.0024 .0016 .0032 .0040
3,300
3,300
BNC500
D
D
D
BN7000
BNC500
D BN7000 Conventional CBN
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
BN7000
BN500
BN500
.0008
330
330
D
0
132
264
396
526 658
0
33
66
100
.3
3
30
300
Time in Cut (minutes) Life Criterion v B max. = .0079”
Tool Life (ft. x 1000) Life Criterion v B max. = .0079”
Cutting Length (inches)
Part Material: FCD450 (Continuous Cutting) Cutting Conditions: f = .0079 IPR, a p = .0079 IPR" Wet
Part Material: FCD700 (Continuous Cutting) Cutting Conditions: f = .0079 IPR, a p = .0079 IPR" Wet
Part Material: FC250 (Pearlite) Tool Cat. No.: FMU4100R SNEW1203ADTR Cutting Conditions: v c = 5,000 SFM, f = .0079 IPR, a p = .0118" Dry
L8
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