From: Effects of pressure angle and tip relief on the life of speed increasing gearbox: a case study
Number of teeth (z) | Pinion | 24 | Center distance (a) | Â | 485.00 mm |
Gear | 94 | Tip diameter (da) | Â | 219.52 mm | |
Normal module(Mn) | 8 mm | Addendum modification co-efficient (x) | Pinion | 0.56 mm | |
Pressure angle (α) | 20° | Gear | 0.18 mm | ||
Helix angle (β) | 10° | Root diameter (df) | 184.00 mm | ||
Face width (b) | 245 mm | Addendum (ha) | 12.278 mm | ||
Hand of helix | Right | Dedendum (hf) | 5.481 mm | ||
Reference diameter (d) | 194.96 mm | Effective chordal tooth thickness | 15.744/15.694 | ||
Base diameter (db) | 182.872 mm | Total contact ratio | 2.948 | ||
Tooth quality (Q-DIN3961) | 6 | Tip relief ( Ca) | 0.002 mm |