File:Firstrotor.fcstd
Firstrotor.fcstd (file size: 38 KB, MIME type: application/zip)
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Design Rationale
General
- Rotor is easily accessible square tube, has better material use to stiffness ratio than solid shaft. Will be larger than solid shaft, but this is good for combining with plastic via 'spline' coupling strategy.
- Tubes are welded to provide solid structure, while platic on outside provides proper geometry for belt
CAD
- First step was to draw the inner tube, 3/16" wall stock, full geometry
- This gets complicated to manage, so further geometries were just the outer profile
- Added 1.5" OD tubes later
- Then traced just the outer contour. Made outer corner radius small, so actual tubes can fit easily inside.
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Dimensions | User | Comment | |
|---|---|---|---|---|
| current | 21:33, 26 June 2020 | (38 KB) | Marcin (talk | contribs) | Optimized test file with chamfer. |
| 21:25, 26 June 2020 | (27 KB) | Marcin (talk | contribs) | Slice for testing print. | |
| 21:09, 26 June 2020 | (4 KB) | Marcin (talk | contribs) | Square corners, correct with no duplicate lines. | |
| 20:54, 26 June 2020 | (5 KB) | Marcin (talk | contribs) | Just contour | |
| 20:43, 26 June 2020 | (33 KB) | Marcin (talk | contribs) | Includes 2.5 tubes and 1.5" tubes | |
| 20:40, 26 June 2020 | (25 KB) | Marcin (talk | contribs) | 5 tubes of 2.5" size | |
| 20:32, 26 June 2020 | (14 KB) | Marcin (talk | contribs) | Inner tube full geometry | |
| 20:26, 26 June 2020 | (14 KB) | Marcin (talk | contribs) |
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