Magnetic Gear

prusaprinters

<p>This a magnetic gear that uses cheap household magnets, bearings, and fasteners to work.</p> <p>Assembly and Demonstration:<br/> <figure class="media"> <oembed url="https://www.youtube.com/watch?v=GbQCNUltI1g"></oembed> </figure> </p> <p>Hardware to Assemble:</p> <ul> <li>6082RS Bearings: <a href="https://amzn.to/2YJi1IK">https://amzn.to/2YJi1IK</a></li> <li>Permanent Magnets: <a href="https://amzn.to/2ywS7xd">https://amzn.to/2ywS7xd</a></li> <li>8-32 1/4" Machine Screws: <a href="https://amzn.to/2SULXhI">https://amzn.to/2SULXhI</a></li> </ul> <p>Magnetic gears have some unique advantages/disadvantages over regular gearing.</p> <p>Very quiet and low friction since they don't require contact between input/output<br/> Decoupling between input/output if the torque limit is exceeded<br/> Generally only used for very low torque applications</p>