RPI Sunglasses Albert Lo -Troy High School Christopher Quinones -Troy High School Our Design.
Download ReportTranscript RPI Sunglasses Albert Lo -Troy High School Christopher Quinones -Troy High School Our Design.
Albert Lo -Troy High School
RPI Sunglasses
Christopher Quinones -Troy High School
Our Design
A Bright Idea Supports RPI Tasteful fashion accessory Helps shield eyes while still a fun item Involves a variety of processes
Parts Frames (front and back) Sides (x2) Lenses (x2) Screws, nuts, and washers (x2)
Frames Polycarbonate injection molding
The two halves are ultra-sonic welded together to enclose and secure the lens.
Sides ABS injection molding CNC machining Laser etching
Lenses • • • • Purchased “Solar” gray color sheet Laser cut Acrylic Lenses
Screws, Nuts, and Washers Purchased Fastens the assembly together
Assembly Attaching the front frame and side frames
• • • • Fastening the Assembly Height of screw: 5mm Height of side frame: 3.25mm
Height of hex nut: 1.6
0.15mm extra
Processes Involved Plastic injection molding Frames and sides CNC machining Bore holes in the frames and sides Ultra sonic welding Connects the two frames together Laser Cutting Engrave details Cut lenses
Materials Cost
Item
Screw Nut Washer Lens plastic TOTAL---------------
Unit price
$.03
$.02
$.01
$.05/in 2
Total Unit Cost
$25.00
$14.00
$9.00
$135.00
$183.00
Source
Boltdepot.com
Boltdepot.com
Boltdepot.com
Tapplastics.com
----------------------- • • With an approximation of $200 to produce 400 pairs of glasses, this design is well under the $3000 budget It costs $0.50 to manufacture one pair of sunglasses For screws, washers, and nuts: http://www.boltdepot.com/Product-Details.aspx?product=6844 For plastic sheets: http://www.tapplastics.com/product/plastics/cut_to_size_plastic/acrylic_sheets_transparent_colors/519
Questions?