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Core-T Printed Wheels Spectra Driven

Posted by runninfarmer 
Core-T Printed Wheels Spectra Driven
September 11, 2014 02:24PM
I am now ready to introduce the Core-T (previous name I had was used by another robot)! It uses coreXY kinematics and is spectra line driven, with all printed wheels on 608 bearings for linear motion. The frame is a standard 30 series 30 mm extrusion. My main design goal was to avoid using linear rods/bearings and aslo vslot, openbeam, and/or makerslide. Those are nice, but a complete v-wheel/bearing package is around $4 a piece. It's almost fully running, right now I just have the x and y axes running. Here's the youtube video: [www.youtube.com].

My thingverse page for it is here: [www.thingiverse.com]. Here's a couple pics:

Edited 2 time(s). Last edit at 09/11/2014 04:13PM by runninfarmer.
Re: Core-T Printed Wheels Spectra Driven
October 02, 2014 05:37PM
How much play do the printed wheels have?
Re: Core-T Printed Wheels Spectra Driven
October 03, 2014 12:22AM
It's manageable for the x-y axis, but it's too much for the z-axis on 3060 extrusion. I'm working on making a ball bearing based linear bearing for 30 mm extrusions. I'm going to try and use zinc plated BBs that are available at a lot of stores. That way I'm staying true to minimal cost. Not sure how loud it will be but it's worth a go.
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