CBN Grade for Sintered Alloy Finishing BN7115 Series
S INTERED A LLOY
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Insert : 3NUTNGA331HS-BN7115 Cutting Conditions: v c = 600 SFM f = .004 IPR a p = .008” Wet
Insert : 3NUTNGA331US-BN7115 Cutting Conditions: v c = 660 SFM f = .004 IPR a p = .004” Wet
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Insert : 2NUCNGA431US-BN7115 Cutting Conditions: v c = 560 SFM f = .003 IPR a p = .004” Wet
BN7115 P roduct P age Cutting Edge Specification BN7115 Insert : 2NUCNGA432LF-BN7115 Cutting Conditions: v c = 660 SFM f = .004 IPR a p = .008” Wet
Recommended Cutting Conditions
D Sintered Alloy
E
Type
W (mm) Honing
Recommended Cutting Conditions Cutting Speed v c (SFM) Feed Rate f (IPR)
LF
Min. - Optimum - Max.
Burr Control Emphasised
Type
15°
.12
Standard LF Type LE Type LS Type HS Type US Type
No No
Work Material
Grade
Depth of Cut a p (Inch)
No R Honing LE
Sharp Edge Sharp Edge
Type
Yes Yes Yes Yes
R Honing
Sumitomo Electric Tool Engineering Center 5637 S. Westridge Drive New Berlin, WI 53151 Phone: (800) 950-5202 .0004 .0004 .0004 .0004 - - - - - - - - .0059 .0118 .0047 .0118 .0031 .0059 .0024 .0059 .002 .002 .002 .002 - - - - - - - - .010 .020 .008 .020 .005 .010 .004 .010
Sumitomo Electric Carbide, Inc. Headquarters 1001 Business Center Drive Mount Prospect, IL 60056-2181 P.O. Box 545, Mt. Prospect, IL 60056-0545 660 660 500 500 330 330 BN7115 BN7000 BN7115 BN7000 General Sintered Alloy High-density Sintered Alloy 30 30 30 30 - - - - - - - - 1,000 1,000
LS Type R Honing
Sumitomo Carbide Canada, Inc. 150 Research Lane Unit #210 Guelph, Ontario N1G 4T2 Phone: (519) 265-6050 Phone: (844) 211-6050 Rake Face Negative Land Width W CBN Honing R Negative Land Angle 15° 25° 25° .07 .05 .12
Michigan Branch 26800 Meadowbrook, Suite 120 Novi, MI 48377 Good Surface Roughness Standard No R Honing
HS Type R Honing
Huntsville Branch Phone: (800) 239-5177 Phone: (734) 451-0200 Fax: (734) 451-5338 6700 Odyssey Drive Suite 211 Huntsville, AL 35806 Phone: (256) 971-1203 Fax: (256) 971-1205 Frequency of Interruption Breakage Control Emphasised
US Type R Honing
Phone: (800) 950-5202 Phone: (847) 635-0044 Fax: (847) 635-9335 www.sumicarbide.com
Flank
Indiana Branch 595 S. Emerson Avenue Suite 100 Greenwood, IN 46143 Phone: (317) 859-1601
Heavy
New US chipbreaker emphasizes fracture resistance, ideal for heavy interrupted cutting
4
CAT.BN7115.12/21
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