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Slew Bearing, Parametric Design with Fusion 360


Ball-bearings are very popular for 3d-printing. However they often fail for real applications. Using Fusion 360 I've created a parametric design of a "Crossed Roller Slew Bearing". The result is a pretty accurate and robust bearing. The bearing including the rollers is 3d-printed in separate parts. There are a few screws needed to clamp the two halves of the inner race together.

The design process is really straightforward, so I've created a video tutorial how to design this slew bearing in Fusion 360. With some practice, such a bearing can be designed from scratch in less than 20 minutes. For students interested in 3d-Design, I recommend you install Fusion 360 and walk through the tutorial.

 

The 3d-files available for downloading are a large version with 48 rolls, and a small version with only 10 rolls (top and bottom halves of the race are actually symmetrical, but for completeness both are available as STL files.

If you need a bearing with other dimensions, the CAD-files of Fusion 360 are available for download. There are actually two different designs: a basic version with cylindrical rollers, and a more sophisticated version with conic rollers. The CAD-files are also available here:

Standard Design
Design with Conic Rollers

Printer Brand: Ultimaker

Printer: Ultimaker 2

Rafts: No

Supports: No

Resolution: 0.15

Infill: 35%



Detailed Building Instruction

Step 1

Print it out and, Voilà!

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About Me

Christoph Laimer

 

makeSEA Chief 3D Designer

Award winning 3D designer, Christoph is responsible for some of the most innovative designs, observations, and insights available on the makeSEA registry. Hailing from Zurich, Switzerland, a stronghold for master tradesmen and creatives since the 12th century, Christoph couples his formal expertise in electrical engineering and software development with his passion for mechanics to design 3D printable mechanical clocks, motors, and a variety of scalable components and usable objects. He is also a primary contributor to the makeSEA wiki and blog, where he records invaluable results and observations from his 3D printing experiments, which are used as a reference manual for other 3D print engineers and enthusiasts.

After completing the masters degree in Electrical Engineering at the ETH, Zurich, Christoph worked as a software developer - initially in semiconductor industries, and later in life science. Designing and creating innovative software, interacting with customers, and managing a small team of software developers was his passion.

Always taken with mechanical constructions, Christoph designed and experimented with RC model airplanes. With the advent of 3d-printing, Christoph found a new type of creativity, focusing on mechanical watches. His imagination and 3D printing allow him to transform his "crazy" ideas into reality. His belief that future watches will be highly customisable - not only engraving, ornaments or decoration, but real complex objects combining mechanics and electronics - has led him to explore and push the boundaries for 3D printing, combining advanced mechanics and pleasing aesthetics in the process.

Christoph Laimer named as Winner of the Share Prize, 2016

Recently, Christoph was awarded the top prize for his 3DPrinted Tourbillon Watch at the Piemonte Share Festival in May, 2016. The Share festival is an international competition that promotes and supports contemporary art in the digital age. Christoph was awarded the top prize for his 3DPrinted Tourbillon Watch.

This attractive domestic timepiece adds flair to any living room, and is a functional Swiss clock that is almost entirely 3D printed. The Watch is open-source, so every working piece of it is open for inspection, on the web and in the home as well.