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Reinforced Suspension Bridge Screwhead Design for Enhanced Strength and Performance

Our Group 16 design features a reinforced base and improved arm for increased strength and reduced deflection. Utilizing servo counterweights and hooks, the design aims to lift weights efficiently. Future improvements target deflection resistance, weight reduction, servo optimization, and arm length optimization.

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Reinforced Suspension Bridge Screwhead Design for Enhanced Strength and Performance

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  1. Group 16Screwheads Mike Harrison, Jeremy Ozer Mark Brandau

  2. Design Changes • Still using suspension bridge idea, but have greatly reinforced the base and have improved arm • Improvements greatly increase strength against deflection • Gone from rack and pinion to moment arm to lift weight, using the servo itself as a counterweight and grabbing the screw on the weight with a hook

  3. Performance • Torque – maximum necessary is 48 oz-in. Motor can put out 54 oz-in • Motor generates sufficient torque to lift fully, but we are encountering too much deflection at present to reach it

  4. Future Improvements • Further improve resistance to deflection • Drop weight of system by removing portions of baseplate • Optimize servo setup • Optimize arm lengths

  5. Questions?

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