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Edina Robotics FIRST® Team 1816 The Green Machine
Fabrication Presentation
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“Technical”/Build Structure
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● Begins January 6th – Kickoff event
● 6 weeks
● Design,prototype, build, program a robot
● Most fun 6 weeks of the year
● Most challenging 6 weeks of the year
● This year’s challenge:
Build Season
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● Official start of Build season
● Meet as a team to watch the
game release and brainstorm
(2 day event)
● Everyone should pre-download
the game manual(rulebook)
which can be decrypted with a
code after broadcast
Kickoff
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● We start with brainstorming
● 2 days at the start of build season
● This is the most important part of our
entire season
● The decisions that we make early
have the greatest impact on the rest
of our season
Brainstorming
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● Any idea from brainstorming needs
to be thoroughly prototyped and
tested
● We use Solidworks and 3d printing
to design and fabricate prototypes
● Keep prototypes simple!
● Important: Make sure proper
constraints are incorporated into
prototypes
Design and Prototyping
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● Facilities creates field elements from
the game based on a manual FIRST
releases
● Expect updates as the season
progresses
● These elements must be as similar
in function as possible to the actual
game pieces.
Design and Prototyping
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● We use Versa Frame, special 2’’x1’’ .1’’ thick tube. Has
holes spaced ½”
● Enables easy use of gussets
Frame Construction
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● We use a variety of gussets and fasteners
● Gussets are flat plates used to attach two pieces
together
● Fasteners hold two or more things together
Keeping it Together
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Gussets
Plus Gusset
T gusset
90 degree
gusset
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● Bolts, Screws, and Rivets
● Bolts and Screws both have threading
● Rivets are smooth, use pressure through expansion
Fasteners
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Pop rivets
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Putting it together
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How to Build a Robot: Making it move
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● Convert low torque and high speed to high torque and
low speed
Gearboxes
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Wheels
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Power
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Hand Tools
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Hand Power Tools
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Power Tools
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● DRO (Digital Read Out)
Drill Mill
● Allows drill hole accuracy to
a thousandth of an inch
● Only permitted to use if
trained, and a mentor is
present in the Fab Lab
New this year