4-slot Geneva drive
Mechanisms · Detailed spec
4-slot Geneva drive
- index / dwell
- 90° / 270°
- parts
- 8
- mass
- 1.42 kg
Download the CAD files
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This 4-slot Geneva drive was designed by the Luxxo CAD AI from a detailed-spec request. It has 8 parts, measures 140 × 80 × 30 mm and weighs 1.42 kg, in steel S235. Below you can read the request, the main specifications and the problems the AI flagged, and download the STEP, STL, DXF and A3 drawing for free.
The request
“A 4-slot Geneva drive assembly in steel, center distance 50 mm.”
Show the full request
“A 4-slot Geneva drive assembly in steel, center distance 50 mm. Driver wheel: Ø80 disc, 8 mm thick, Ø10 bore with M4 set screw. Drive pin Ø6 × 10 mm at radius 35.36 mm. Locking arc (convex) of radius 31 mm concentric with the bore, with a clearance cutout opposite the pin so the Geneva wheel can rotate. Geneva wheel: Ø72 disc, 8 mm thick, Ø10 bore. 4 radial slots, 6.2 mm wide, 22 mm deep from the outer edge, spaced 90° apart. Concave locking arcs of radius 31 mm between the slots. Base plate: 140 × 80 × 10 mm with two 6000 bearing seats (Ø26 × 8 deep) 50 mm apart, plus 4 × M6 mounting holes in the corners.”
Specifications
- Index / dwell
- 90° / 270° per driver turn
- Centre distance
- 50 mm
- Crank radius
- 35.36 mm
- Slots
- 4 × 6.2 wide, 22 deep, full-round end
Flagged by the AI
- The exact R31/R31 locking arcs have zero backlash; machine the hub to −0.05 or the arcs to +0.05 to avoid binding.
- Each shaft runs in a single 6000 bearing. A second bearing is recommended for real duty.
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