Rotary Separator CAD Design – Free Star Wheel Model for Bottling Lines
This free rotary separator CAD design gives you a ready 3D STEP model and complete documentation for a no-motor star wheel separator used on bottling and packaging lines. The mechanism separates bottles or jars on a conveyor before they reach a filling or capping station, using only the pushing force of the containers themselves — no motor, no power connection, no controls to wire in. Download the model, open it in Inventor or any STEP-compatible CAD system, and see exactly how the free-spinning star wheel indexes each container into its own position on the line before hand-off to the next machine.
Star Wheel Separator Design Features
Rotary Separator Plans – Technical Specifications
| Frame / shaft material | Stainless steel 1.4301 |
| Separator disc material | Food- and cosmetic-grade soft polyethylene |
| Drive type | None — inertia-driven, powered by conveyor motion |
| Position sensing | Capacitive sensor, disc rotation counting (modeled in assembly) |
| Positioning feature | Alignment notch machined into body |
| File formats included | 3D STEP, native Inventor assembly |
| Documentation | 3D model + BOM |
| Mounting | On conveyor / infeed frame |
Who Needs This Bottle Separator Conveyor Mechanism
Star Wheel Bottle Separator – Before You Build Checklist
This rotary separator pairs naturally with the rest of our bottling and filling line designs. See our Volumetric Liquid Filling Machine CAD project for the filling station this separator feeds into, or browse our Special Engineering Projects category for more container-handling mechanisms. Or get into our Engineering Guides.
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