Agenda: Parts arrived! Build the Stone Delivery Arm!!
In attendance: Coach Chad, Hayden, Sean, Liam, Tristan, Kairon and Coach Cynde
Note taker: Hayden
Reflection: Sean worked the 3D printed model of the base of the capstone for sizing. The base should fit over the stone extrusion at the top slightly loosely so that it easily fits over but not so loose that it can fall off when the foundation is moved. The actual design of the capstone is still being discussed. The capstone needs to be a minimum of 3x3x4”. The current idea for the capstone is to have a block base that can show the team number on the sides and an Elk head. Sean is working on the base of the design and we are hoping that Mrs Billings will let us print in on the school 3D printer since ours is now obsolete.
The story of our 3D printer is that 5 years ago, Grace Lyons applied for a grant thru the Coca Cola Company for the team to receive a special 3D printer that used recycled soda bottles for printing materials. We were approved and received an Ekocycle. The additional cartridges for printing were a little expensive, but we have used it successfully since we received it and taught many of our team mates how to 3D print. Unfortunately, the machine has not been phased out and the print cartridges are no longer being made or available for sale. At the Summer Arts Festival and our fundraisers, we have been asking for donations so that we can buy a new 3D printer this year. We use 3D printing for specialized parts for the robot and team markers like the capstone. Learning how to design sophisticated programs like Fusion 360 teaches our team members how to visualize and create a 3D form which may be very valuable for us in future careers.
Some of our new parts arrive early this week including our 2 Ultraslide extrusions that we ordered from Rev Robotics. Unfortunately, One of them failed right out of the box and ball bearings went all over the floor. So, we decided pretty quickly that these were not going to be as strong as we needed and went back to original idea of using the x-rail. Liam, Tristan and Hayden went to work to put together the chain drive and the base that will hold the arm extension and claw. We will build more at our Saturday meeting.
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