Harmonic vs Cycloidal Drive Torque Backlash and Wear Test

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Buy now: http://www.solidworks.com/makers20 • Learn more: https://discover.solidworks.com/3dexp... • 3D model, parts list and more details ► https://howtomechatronics.com/how-it-... • If you enjoy and find the content that I make useful, please consider supporting me on Patreon: / howtomechatronics • Measuring tools used in the video (affiliate links): • Amazon: • Force meter: https://amzn.to/3FEUAnS • Digital dial indicator: https://amzn.to/3PDvSco • AliExpress • Force meter: https://alii.pub/6k0u62 • Digital dial indicator: https://alii.pub/6k0utl • Parts list (check website article for full list, affiliate links): • Amazon.com: • 6mm Steel Cylinder Rod: https://amzn.to/3POEqfr • 8mm Bushings : https://amzn.to/3Jnbk4x • Bearing 35x47x7 6807-2RS: https://amzn.to/3fATTgL • AliExpress: • 6mm Steel Cylinder Rod: http://alii.pub/6f4xwg • 8mm Bushings: http://alii.pub/6f4vt7 • Bearing 35x47x7 6807-2RS: http://alii.pub/66b1tw • 3D printer used for making the gearboxes: https://amzn.to/3HR7emJ • In this video we will find out what’s better, a 3D printed harmonic drive or a 3D printed cycloidal drive. Here I have these two gearboxes or speed reducers that I made which have the same size and reduction ration of 25:1. I will compare them in several categories, measure their efficiency or torque output, measure their accuracy or backlash, and see how durable they are. • I will explain how I designed and assembled both of them, and I will give you some useful tips and tricks for 3D printing them, show you what can go wrong and what can we improve to get them better, things that I have learnt along the way of making several of these. • Actually, this is my 4th video talking about these gearboxes, and why is so? Well, these gearboxes are good choice for robotics applications and in future videos I plan to make some robots that will employ this type of gearboxes. • 00:00 What are Harmonic and Cycloidal Drives? • 02:13 Designing • 07:56 3D Printing • 09:09 Assembling • 15:02 Backlash Comparison • 16:25 Torque Comparison • 17:46 NEMA23 Torque • 19:56 Verdict • • Visit HowToMechatronics.com for more Tutorials, Tips, Projects and How It Works videos: • ► http://howtomechatronics.com • Like my page on Facebook: • ► / howtomechatronics

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