/ Coated CBN - Coated SUMIBORON CBN - SUMIBORON For Appl i cat ions Ranging f rom Roughing to Fini shing of Cast I ron, Exot i c Al loy Cast I ron, and Hardened Stee l (Hard- to-cut mater i a l )
█ Application Range
● Gray Cast Iron
Finishing region
Roughing region
6,600
4,950
BN7000
3,300
BNC8115 BNS8125
1,650
BN500
0
.16
.04 .12 Depth of Cut a p (Inch) .08
100% Solid CBN Structure
Wet machining is recommended for gray cast iron For dry machining, BNC8115/BNS8125 are recommended for both roughing and finishing
● Hardened Steel
● Ductile Cast Iron
990
1,650
0 165 330 495 660 825
1,320
BNC2010 BNC2020 BNC300
BNC500
990
BNC8115 BNS8125
BNC8115
660
BN7000
0
.02
.04 .06
.08
.10
.12
.02
.04 .06
.08
.10
.12
Depth of Cut a p (Inch)
Depth of Cut a p (Inch)
█ Choosing Between BNC8115 and BNS8125 (Cast Iron/Hardened Steel)
BNC8115 BNS8125 Coated SUMIBORON SUMIBORON
SUMIBORON BN7000
BNC500 Coated SUMIBORON
Coated SUMIBORON BNC2020
Work Material
Turning
Milling
Turning
Milling
Turning
Milling
Turning
Turning
Depth of Cut .10” or less High-speed Finishing Depth of Cut .02” or less Low-speed machining
Most Economical
Grey Cast Iron
Best
Not applicable
Not applicable
Depth of Cut .02” or more Depth of Cut .02” or more
Depth of Cut .02” or less
Interrupted Machining
Ductile Cast Iron
Not applicable
Depth of Cut .02” or less High-speed Machining
Hardened Steel
Not applicable
Not applicable
Not applicable
: Not applicable
: Recommendation
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