Quaker Table

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Lesson plan is stored within .stl files, alongside being the sole .pdf document. This small table is designed to assess the resilience of compact structures. A cam powered by a gearmotor moves swiftly around the top tray, generating stress on a structure resting atop. Parts required for assembly: * 730 RPM Motor from Servocity: https://www.servocity.com/730-... * Clamping Hub (4 mm shaft): https://www.servocity.com/770-... * x2 10-24 bolts and nuts (locknuts or nylon nuts are preferable, but not necessary), each 1.5 in. long * x2-4 6-32 bolts, half an inch long (without nuts; the hub is tapped) * Battery (up to 12 V) and wires; a switch is handy, but not required with extended wires * x2 Case Halves * x2 Motor Clamps * x1 Shake Disc * x1 Shake Tray To assemble, align the two case halves. Insert motor clamps in place and insert 10-24 bolts, but do not secure nuts. Insert the motor (you might want to attach wires beforehand) until the output shaft has bottomed out through a hole in the case halves. Tighten down the 10-24 bolts. Attach the clamping hub to the motor; ensure the flat side faces away from the motor. Screw the cam onto the hub using 6-32 bolts; secure them firmly (some threadlocker would not be wasted here). Position the shake tray over the cam, which will initially be off-center. TLDR: Assemble according to the CAD assembly instructions; the yellow circle represents the clamping hub. To prepare a structure for testing, cut out a 105 mm x 105 mm piece of foamboard (such as this: https://www.dollartree.com/Real-...). Attach the structure securely to the foamboard using hot glue, allowing force transfer. As each foamboard can only hold one building, consider it disposable. To run a test, turn on the power and observe the structure's response.