How to Make a Sprocket Pulley: Fusion 360 Tutorial (Tracked Robot Part 4)
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In this series, we will design and develop a tracked, tank-like mobile robot optimized for use on sand and in desert environments. The modeling of the treads, custom sprocket, idler rollers and 3D printed suspension system will be shown in great detail. We will first create the chain links themselves and the tread pieces, then pattern them along the shape of the loop. Once we finish this, we will create the custom sprocket and motor connection followed by the idler spindle and finally the suspension system. In the end, we can mirror our entire assembly to the other side to create the right side tread. Working on only one side at a time makes it easier on our computers and allows us to work faster with less lag-time.
This tutorial continues the development of the whole assermbly by creating an idle shaft that is not driven by the DC motor. The drive motor is attached to a dual sprocket cylinder. The initial sketch is for the roller itself.
In the next tutorial, we will be adding in the bearings to the roller.