Mechanical Jack

Machined using computer-aided manufacturing, a mill, lathe, and laser cutter

Organization: Columbia University
Class: Intro to Machining (Robert Stark)
Dates: Sep 2022 – Dec 2022

Task

● Machine and assemble every part of a mechanical jack


Actions

● Manufactured the arms and gears using SolidWorks CAM and a mill
● Manufactured the screw mechanism and handle on a lathe
● Designed and built the base using a laser cutter
● Machined the remaining components on a mill and assembled the jack


Results

● Jack operates smoothly with no binding or friction, holding tolerances across separately machined parts
● The base, built to resemble a LEGO brick, received positive feedback
● Class grade: A