15 : 45
Straight bevel · AGMA 2005
m 2.2 · 20° · straight, AGMA 2005 proportions
The 15 : 45 pair (module 2.2, 3 : 1) with AGMA 2005's mid-face proportions.
Sample · m 2.2 · 20° · spiral 35°, pinion left hand
Spiral bevel · 35°
Curved teeth at a 35° spiral angle: more teeth in contact, smoother and quieter.
What's in this design
Pinion · 15 teeth
- 15 teeth · outside Ø38.31, pitch Ø33 mm at the heel · pitch angle 18.43° · face 15.5 mm · mounting distance 51.22 mm · bore Ø8 mm · no hub
Gear · 45 teeth
- 45 teeth · outside Ø99.59, pitch Ø99 mm at the heel · pitch angle 71.57° · face 15.5 mm · mounting distance 23.43 mm · bore Ø12 mm · no hub
The mesh · m 2.2 · 20° · spiral 35°, pinion left hand
- ratio 3 : 1 · shaft angle 90° · spiral bevel teeth
Notes
- STL and drawings now; STEP of spiral and hypoid pairs follows
The link opens the pinion and gear in the Bevel Gear Designer's 3D view. Change the teeth, the module or pitch, the shaft angle, the bores or hubs, then download STL or a drawing.
More samples
Related bevel pairs
15 : 45
Straight bevel · Gleason
m 2.2 · 20° · straight, Gleason proportions
The same pair in Gleason's heel-based proportions, the ones catalogue gears use.
15 : 45
Hypoid · offset pinion
m 2.2 · 20° · hypoid, pinion left hand
The pinion moved off the gear's axis: a bigger, stronger pinion, as in car axles.
20 : 20
Miter pair · module 1.5, 20 teeth
m 1.5 · 20° · straight, Gleason proportions
The most common stock miter size: 20 teeth, module 1.5, Gleason proportions that match catalogue gears.