![]() |
Negative Rake Angle![]() |
Neutral Rake Angle![]() |
Positive Rake Angle![]() |
Standard Cutting Edge Combinations |
![]() Double Positive (DP Edge Type) |
![]() Double Negative (DN Edge Type) |
![]() Negative/Positive (NP Edge Type) |
|
---|---|---|---|---|
Axial Rake Angle (A.R.) | Positive(+) | Negative(-) | Positive(+) | |
Radial Rake Angel (R.R.) | Positive(+) | Negative(-) | Negative(-) | |
Insert Used | Positive Insert (One Sided Use) |
Negative Insert (Double Sided Use) |
Positive Insert (One Sided Use) |
|
Workpiece | Steel | ![]() |
– | ![]() |
Cast Iron | – | ![]() |
![]() |
|
Aluminium Alloy | ![]() |
– | – | |
Difficult-to-Cut Material | ![]() |
– | ![]() |