Embedded Files
Final Design CAD Assembly
Final design showing the top and bottom piece which are attached using 120 mm socket head screws inserted through the top and screwed into narrow base weld nuts inserted from the bottom. The bottom piece also hold the two strap holes in which the firehose will be woven through. The middle cylinder is where the Blue Robotics tube will sit. Furthermore, the overall design has a smooth surface and curvature in the back to fit comfortably to the radius of an elephant's leg.
Initial Fitting
Figure (1) : Initial fitting showing that the design can successfully print with the strap holes to allow the firehose to be woven through.
Figure (3) : The 120mm socket head screws fit in the enclosure inserts and are the correct length.
Figure (2): Initial fitting of the sensor stack inside the Blue Robotics tube to show that they all fit inside.
Figure (4) : The narrow base weld nuts fit in the enclosure inserts and the epoxy glue works to keep them secured in place.
Design Iterations
Fourth iteration showing slots for base weld nuts to be inserted on the inside of the cylidrical cut out. A PLA 3D print proved not feasible for getting the base weld nuts inserted and secure.
Third iteration showing clip and rod design as closure system. The clips would be inserted on the slits on the top and bottom of the enclosure. This closure system was not chosen due to difficulty of inserting the clips and possibility of them coming off and getting lost.
Second iteration of 3 tier design implementing curvature on back for comfortable fit on leg, cylindrical cutout for the tube and holes for the screws.
First iteration of design showing separation of strength and waterproofing components. Furthermore, this CAD drawing shows the initital concept of having a smooth surface on the front of the anklet.
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