Summary

This highly compact planetary gear system measures approximately 63mm x 38mm x 38mm and has a total gear ratio of 39:1. Each unit is self contained but can be extended to create a much larger gear ratio.

Print Settings

Rafts:

Yes

                                            <p class="detail-setting supports"><strong>Supports: </strong>                     <div><p>Yes</p></div></p>                                                                                <p class="detail-setting resolution"><strong>Resolution: </strong>                     <div><p>High</p></div></p>                                                                                <p class="detail-setting infill"><strong>Infill: </strong>                     <div><p>Full</p></div></p>                                                        <br>                        <p class="detail-setting notes"><strong>Notes: </strong>                    </p><div><p>Because these parts are so small, it is essential that they be printed carefully with full fill and high resolution. Be sure to use support material on the sun gears and carriers.</p></div>

Post-Printing

Sanding may be necessary to improve tolerances. A high viscosity lubricant or grease like petroleum jelly is recommended.

Micro-Planetary Gear System