Comparison between dry and conventional
HSS Hob | Carbide Hob | ||
Coolant | Non water soluble oil | Dry | Dry |
Speed | 80 - 120 | 120 - 160 | 300 - 350 |
Efficiency | 1 | 1.5 | 3 |
Tool Life | 1 | (2 - 5) | (4 - 10) |
Cost | 1 | (1.5 - 2) | (3 - 4) |
Accuracy | |||
Reliability | |||
Workability | |||
Workshop environment |
(good)(ok)(bad) |
Recommended cutting conditions
Summary of dry hobbing