FABRICATION

Custom Designed Parts

Hermes’ Crate

2023 Charged Up

EXTENSIVE USE OF CAD TO DEVELOP OUR DESIGN 

CAD modeling and rapid prototyping of many design features allowed us to make and test several design changes before making our final custom parts. Mason E. (11th grader) led our design team by creating a shared project using Autodesk FUSION360.  Several students worked on gathering .STEP files of parts we thought we would use on our robot.  This included kit-of-parts items and parts purchased from AndyMark, REV Robotics, and Thrifty Bot.  The CAD model of our robot started with an assembly of the standard AM14U5 chassis. The front and back rails were cut to 18” and then rigid joins were made to hold everything together.  New parts were added and changes were made to this assembly to create our final design.

Many custom parts were fabricated from drawings made from the CAD model of the robot. Team 1799 has 4 ways to make parts at Dakota Ridge High School.  Smaller custom parts were modeled in CAD, 3D-printed, tested, revised and reprinted. Prototype parts, up to 12” x 24” were laser cut out of acrylic sheets.  Structurally and mechanically critical parts were sent to our CNC router table by Grayson F. (10th grader) so that they could be accurately made out of polycarbonate sheets or aluminum plates.  Some parts, like angle brackets, were cut and drilled by freshman student team members (Keaden A. and Connor O.) based on printed dimensioned drawings.  Having all of these fabrication processes gave us easy options for making replacement parts, in case something breaks on the field. Our engineering process for developing the design for this robot incorporated many aspects of modern manufacturing, making it an even more valuable experience for the student team members. 

Below are the parts that have been designed and fabricated by students on the team.  They are divided into groups by which method they were made. 

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