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Material Steel | Rake Angle in Degrees |
---|---|
Steel<70Kg/mm2 | 12 - 14 |
Steel8 - 10 | |
Deep Drawn Sheetmetal | 15 - 20 |
Stainless Resistant Steel | 8 - 10 |
Cast Iron | |
Cast Steel | 12 - 14 |
SG Cast Iron (long shavings) | 12 - 14 |
SG Cast Iron (short shavings) | 6 - 8 |
Malleable Iron | 8 - 10 |
Gray Cast Iron | 3 - 6 |
Light Metal | |
Aluminium (short chips) | 12 - 14 |
Aluminium (long chips) | 20 - 25 |
Zinc | 12 - 14 |
Copper & Copper Alloys | |
Copper | 18 - 25 |
Bronze-soft | 12 - 14 |
Bronze-hard | 5 - 8 |
Brass 58 | 3 - 6 |
Brass 63 | 12 - 14 |
Titanium | 0 - 4 |
Plastic | |
Bakelite-hard | 3 - 6 |
PVC, Polystyrene,soft | 20 - 25 |