18 : 18
NEMA 17 right-angle drive
m 1.5 · 20° · straight, AGMA 2005 proportions
Turn a stepper's output 90°: 18-tooth miters, 5 mm D-flat in, 8 mm out, tapped set screws.
Sample · m 2 · 20° · straight, AGMA 2005 proportions
Hand drill · 4 : 1, module 2
The egg-beater drill's drive: a big crank gear spins a 15-tooth pinion four times as fast.
What's in this design
Pinion · 15 teeth
- 15 teeth · outside Ø36.12, pitch Ø30 mm at the heel · pitch angle 14.04° · face 17 mm · mounting distance 61.45 mm · bore Ø6 mm · no hub
Gear · 60 teeth
- 60 teeth · outside Ø120.48, pitch Ø120 mm at the heel · pitch angle 75.96° · face 17 mm · mounting distance 22.91 mm · 8 mm hex bar, retaining ring on the top end · no hub
The mesh · m 2 · 20° · straight, AGMA 2005 proportions
- ratio 4 : 1 · shaft angle 90° · 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
16 : 48
Hand crank · 3 : 1 on ½" hex
m 2.5 · 20° · straight, AGMA 2005 proportions
A crank-driven 3 : 1 for mills and hand generators, both gears on ½" hex.
16 : 48
Hand crank · threaded set screws and hub pins
m 2.5 · 20° · straight, AGMA 2005 proportions
3 : 1 on round shafts: the pinion's set screws thread into the hub, the gear is pinned through its hub.
15 : 30
Small robot · 2 : 1, 3 mm D-flat
m 0.8 · 20° · straight, AGMA 2005 proportions
A tiny module 0.8 pair for N20-size gear motors on 3 mm D-flat shafts.