50 : 1
50 : 1 lift · self-locking
m 2 · 20° · ZA
A slim single-start worm (q 20) whose small lead angle holds the load when the motor stops.
Sample · 16 DP · 20° · ZA
40 : 1 lift · 16 DP
A 16 DP self-locking lift worm (q 22) with a 40-tooth wheel on a ⅜" shaft.
What's in this design
Worm · 1 start
- 1 start, right hand · tip Ø38.1, pitch Ø34.92, root Ø31.25 mm · 27 mm long · bore ؼ" · no hub
Wheel · 40 teeth
- 40 teeth, throated · outside Ø67.63, pitch Ø63.5 mm · face 18 mm · bore Ø⅜" · no hub
The mesh · 16 DP · 20° · ZA
- ratio 40 : 1 · centre distance 49.212 mm · lead angle 2.6° · efficiency 46 % (μ 0.05) · self-locking
The link opens the worm and wheel in the Worm Gear Designer's 3D view. Change the module or pitch, the starts, the wheel's teeth, the bores or hubs, then download STL or STEP.
More samples
Related worm drives
60 : 1
60 : 1 indexer · module 1
m 1 · 20° · ZA
A fine module 1 indexing drive: 60 : 1, self-locking, on 6 mm and 8 mm shafts.
30 : 1
30 : 1 · module 2, one start
m 2 · 20° · ZA
The starter drive: a single-start module 2 worm turning a 30-tooth throated wheel, 30 : 1.
40 : 1
40 : 1 · module 1.5 on D-flat shafts
m 1.5 · 20° · ZA
A printable 40 : 1 reduction on 5 mm and 8 mm D-flat shafts, with 0.1 mm print compensation on both parts.