1. An Overview of Basic Robotics
... design, though.) Above is the timing belt and pulleys that make up the vertical aiming mechanism (shown sideways). As for attaching the motor shafts to the pulleys, both motors came with a round shaft. The pulleys come with a "set screw," which is a screw that tightens down and grips the motor shaft. The machine shop people used a grinder to make a flat spot in the motor shaft for the set screw. The whole pulley setup ended ... bearings, so they could initially spin freely on the axle. I needed them to turn with the axle when the motor turned it. So I drilled a hole all the way through ...
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- Grade Level: High School