3D Printed Sumo Bot Parts
by PD last updated Sep 27 2017


Additional File


This is a mostly 3D printable sumo bot. It is going to be competing in the Science Olympiad sumo bot event. So far, the major vitamins we used are as follows...

1/8in x 1/2in aluminum rail

Vex drive rod, sprockets, collars, and chains

http://www.vexrobotics.com/products/accessories/motion/276-2166.html http://www.vexrobotics.com/products/accessories/motion/shafts.html http://www.vexrobotics.com/products/accessories/motion/276-2010.html

M4 screws and nuts

Jaco foam tires (35 shore is what we are using) http://www.jacoracing.net/nitroshoes_1_10.html


http://www.robotmarketplace.com/products/0-SABER2X5-RC.html http://www.spektrumrc.com/Products/Default.aspx?ProdId=SPM5510 http://www.venom-group.com/itemdesc.asp?ic=15026 http://cgi.ebay.com/12V-120RPM-Powerful-High-Torque-Gear-Box-Electric-Motor-/290525929255?pt=LH_DefaultDomain_0&hash=item43a4b1df27

The offensive structure still needs to be built, but we are going to be using aluminum flashing around the perimeter to create a wedge. We needed to add about 800grams to the bot to bring it up to the maximum 2kg weight limit. Once we were at 2kg it pushed two textbooks easy, which total about 5kg. We will be competing this Saturday with it.

Previous years we either used completely Vex, or hand fabricated chassis using steel corner brackets and aluminum plate. This year we were able to 3D print the majority of the parts, which made it much easier. For example, previous years we were limited in the tire types we were able to use, but now we were able to make a fully integrated hub and drive coupler.

Just a note about the files, they are not at all parametric. I drew a picture in my head with the measurements and wrote the code. If anybody decides to try building this, let me know and I will be able to give you measurements off the original.

Name File Type File Size (kb)
Icon batterymount.scad SourceCode File (.SCAD)
Icon motormount.scad SourceCode File (.SCAD)
Icon frame90.scad SourceCode File (.SCAD) 1
Icon frametbar.scad SourceCode File (.SCAD) 1
Icon wheeladapter.scad SourceCode File (.SCAD)
Icon drivecoupler.scad SourceCode File (.SCAD)
Icon bearingmount.scad SourceCode File (.SCAD)
Icon batterymount.stl Model File (.STL) 34
Icon bearingmount.stl Model File (.STL) 52
Icon drivecoupler.stl Model File (.STL) 111
Icon frame90.stl Model File (.STL) 72
Icon frametbar.stl Model File (.STL) 123
Icon motormount.stl Model File (.STL) 70
Icon wheeladapter.stl Model File (.STL) 8
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Maker since May 2017

License Info

Public Domain Mark

3D Printed Sumo Bot Parts uploaded by Steve Kelly is free of known copyright restrictions.

Retrieved from https://www.thingiverse.com/thing:6067

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