Scissor Lift Design and Manufacturing
Scissor Lift Design and Manufacturing
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A scissor lift is a tool that takes advantage of mechanical process whereby a lead screw can move a threaded block along a set axis. In doing so, the block translates the horizontal motion into vertical motion. This raises and lowers the lift.
The requirements of this project were to design, build, and test a scissor lift capable of weighing less than 1 kg, lowering down to 5 mm, raising to over 200 mm, and carrying over 9 kg at this maximum height. In addition to that, only a maximum of 330 g could be 3d printed material and the rest had to be made from aluminum.
Step 1: Design on Solidworks
Step 1: Design on Solidworks
Using CAD software (Solidworks), design all components including top/bottom plates, arms, mounting blocks, threaded rod, hardware, and gripping handle
Step 2: Manufacturing Drawings
Step 2: Manufacturing Drawings
Solidworks drawing tools used to be create manufactruing drawings.
Step 3: Manufacturing with Handtools
Step 3: Manufacturing with Handtools
Utilized manual mill, band saw, belt sander, sheet metal tools, and more
Learned the limitations of manual machining and what tools to use for what circumstances
Step 4: Assembly and Testing
Step 4: Assembly and Testing
To the left is the scissor lift at the maximum height of 200 mm holding 20 lbs. There is deflection built into the design has a maximum deflection of just 10 mm.
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