Box
with Lid
Narrative
You and you partner are on a design team to design a jewelry box
with a recessed lid. You will all be given the same size blank to start
with; then your team will have to design an internal cavity to a specified
size. The specified size will be a percentage of the total volume of the
blank.
Concepts
Mass Properties; Area; Extrusion; Cylinder; Assembly Constraints; cu.
in.; Fillets; Volume
Geometric Requirements
Stock Size: 1” x 2” x 3”
Interior Volume Requirements:
(Instructor will tell your group which percentage to use)
46.6% |
46.35% |
46.1 |
46.55% |
46.3% |
46.05 |
46.5% |
46.25% |
46.00 |
46.45% |
46.2% |
|
46.4% |
46.15% |
Interior corner radius: .375” R
Inquiry
A. What is the volume of the box?
B. What is the interior volume of the box?
C. Determine the interior volume as a percentage of the total volume.
Supplemental Information
Rectangular Volume: V = W x L x H
Cylindrical Volume: V = π R2
Box
Lid
Narrative
Your team will now design a lid to fit your box.
Geometric Requirements
Stock Size: .5” x 2” x 3”
Clearance: .03125” between box lid and sides of box.
Lip of box will project .125” into box.