KAISER BORING CUTTING CONDITIONS
BORING BAR ST16 (ø.709"-1.969")
Insert
Projection Length
Cutting Speed (SFM)
Cutting Depth (in./ø)
Workpiece
Nose Radius
Grade
1.772 2.362 3.150 4.331 5.512 1.772 2.362 3.150 4.331 5.512 1.772 2.362 3.150 1.772 2.362 3.150 4.331 5.512 1.772 2.362 3.150 4.331 5.512
430 600 500 300 165 400 430 400 265 130 265 200 100 400 430 400 265 130 500 660 600 400 200
.008 .008 .008 .006 .004 .008 .008 .008 .006 .004 .004 .004 .004 .008 .008 .006 .006 .004 .010 .010 .008 .008 .006
.016
T1500A
Carbon Steel Alloy Steel
.008
.004
A1
.016
AC520U
Stainless Steel
.008
.004
A1
Hardened Steel
.008
BN2000
.016
H1 (FN)
Cast Iron
.008
.004
A1
.016
H1 (FLA)
Aluminum
.008
.004
A1
• Red figures are achievable with boring bars made of carbide
Feed Rate Selection Suitable feed rate varies depending on the desired accuracy. Refer to the following formula and determine the best parameters. • In general, nose radius .008" should be used with f = .002" and radius .016" with f = .004" • These values are reference only
500
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