20 : 20
60° shaft angle · 1 : 1
m 1.5 · 20° · straight, AGMA 2005 proportions
Two 20-tooth gears meeting at 60°, not 90°.
Sample · m 1.5 · 20° · straight, AGMA 2005 proportions
120° shaft angle · 1.5 : 1
An obtuse 120° drive: the gear's cone opens almost flat.
What's in this design
Pinion · 20 teeth
- 20 teeth · outside Ø33.44, pitch Ø30 mm at the heel · pitch angle 40.89° · face 6 mm · mounting distance 20.31 mm · bore Ø6 mm · no hub
Gear · 30 teeth
- 30 teeth · outside Ø45.31, pitch Ø45 mm at the heel · pitch angle 79.11° · face 6 mm · mounting distance 10.25 mm · bore Ø8 mm · no hub
The mesh · m 1.5 · 20° · straight, AGMA 2005 proportions
- ratio 1.5 : 1 · shaft angle 120° · straight teeth
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, STEP or a drawing.
More samples
Related bevel pairs
20 : 40
45° shaft angle · 2 : 1
m 1.5 · 20° · straight, AGMA 2005 proportions
A 45° drive for angled outputs and dividers.
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.
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.