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Acrylic Gearbox

University design challenge: Acrylic gearbox performing a 46:1 reduction on a DC motor to lift 7.5kg 1 Meter up a 30 degree incline

Stack
CAD, FEA
Role
Design Lead
Date
June 2025

Problem

Design a gearbox consisting solely of an A4 sheet of acrylic (PMMA) cut on a laser cutter. Lift 7.5kg 1m up 30 degree incline.

Approach

Solidworks, FEA,

Result

There have been many design challenges, problems and setbacks.

What I’d do differently

get the FoS right

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