Project: | Automated Page Turner | |||||||
Engineering Team: | Pete Backlund | |||||||
Jeff Chan | ||||||||
Josh Keena | ||||||||
Hung Nguyen | ||||||||
Bryan Sanchez | ||||||||
Stewart Vaculik | ||||||||
Date: | August-December, 2006 | |||||||
Functional Analysis | Mfg. + DFMA + Cost Analysis | |||||||
Assembly | Description/Name | Qty | Function | Mfg. Process | Weight (lbm) | Material | Unit Cost | Total Cost |
Base Assembly | ||||||||
Base | 1 | Support book | Dell flat monitor stand | 6.4 | Plastic | $35.00 | $35.00 | |
Base Plate | 1 | Allow rotational DOF | Dell flat monitor stand | 0.28 | Steel | - | ||
Knob | 1 | Adjust light/sound feedback | Radio Shack | 0 | Steel/Plastic | - | ||
Rocker Switch | 1 | Turn on/off | Radio Shack | 0 | Plastic | - | ||
Switch Receptacle | 1 | Accept user input | Radio Shack | 0 | Steel | - | ||
Book Support Assembly | ||||||||
Book Ledge Left | 1 | Support book | Team | 0.7 | 3/4" HDPE | $1.87 | $1.87 | |
Book Ledge Right | 1 | Support book | Team | 0.7 | 3/4" HDPE | $1.87 | $1.87 | |
Book Support | 1 | Support book | Team | 4.65 | 3/8" HDPE | $15.56 | $15.56 | |
Book Support Spacer | 1 | Allow rotational DOF | Team | 0.25 | 1/2" HDPE | $1.14 | $1.14 | |
Colored Holding Pins | 2 | Provide colored backgrounds | Team | 0.01 | 3/8" Acrylic Rod | $0.13 | $0.26 | |
CPU Box Assembly | 1 | Protect electrical components | Team | $2.46 | $2.46 | |||
Dovetail Retainer | 1 | Accommodate different books | Team | 1.53 | 3/8" HDPE | $4.22 | $4.22 | |
LED | 4 | Provide light feedback | Radio Shack | 0 | $1.49 | $5.96 | ||
Logo Mounting Assembly | 1 | Secure book | Team | $5.83 | $5.83 | |||
CPU Box Assembly | ||||||||
CPU Box Long Side | 2 | Protect electrical components | Team | 0.14 | 3/8" HDPE | $0.36 | $0.72 | |
CPU Box Short Side | 2 | Protect electrical components | Team | 0.09 | 3/8" HDPE | $0.24 | $0.48 | |
CPU Box Top | 1 | Protect electrical components | Team | 0.57 | 1/2" HDPE | $1.26 | $1.26 | |
Flip Arm and Motor Assembly | ||||||||
Flip Motor Mounting Plate | 1 | Secure flip arm | Team | 0 | 1/8" Acrylic | $0.03 | $0.03 | |
Flip Servo Motor | 1 | Convert electrical to mechanical energy | 0.07 | $12.99 | $12.99 | |||
Flip Arm | 1 | Turn page | Team | 0.04 | 3/8" Acrylic Rod | $0.51 | $0.51 | |
Flip Assembly | ||||||||
Flip Arm and Motor Assembly | 1 | Turn page | Team | $13.53 | $13.53 | |||
Flip Motor Bracket | 1 | Secure/align motor | Team | 0.12 | 3/4" HDPE | $0.63 | $0.63 | |
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Hold Arm and Motor Assembly |
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Hold Servo Motor |
1 |
Convert electrical to mechanical energy |
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0.07 |
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$12.99 |
$12.99 |
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Left Hold Arm |
1 |
Secure pages |
Team |
0.04 |
3/8" Acrylic Rod |
$0.32 |
$0.32 |
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Hold Assembly |
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Dovetail |
1 |
Accommodate different books |
Team |
0.07 |
3/8" HDPE |
$0.21 |
$0.21 |
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Hold Arm and Motor Assembly |
1 |
Secure pages |
Team |
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$13.31 |
$13.31 |
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Hold Motor Bracket |
1 |
Secure/align motor |
Team |
0.27 |
3/4" HDPE |
$1.09 |
$1.09 |
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Left Hold Motor Pin |
1 |
Prevent motor rotation |
Team |
0 |
1/4" Acrylic Rod |
$0.04 |
$0.04 |
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Lift Arm and Motor Assembly |
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Lift Arm |
1 |
Lift page |
Team |
0.04 |
3/8" Acrylic Rod |
$0.36 |
$0.36 |
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Lift Servo Motor |
1 |
Convert electrical to mechanical energy |
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0.07 |
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$12.99 |
$12.99 |
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Retaining Clip |
2 |
Secure tape roll |
Home Depot |
0 |
Steel |
$0.50 |
$1.00 |
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Roller Hub (from Tape Dispenser) |
1 |
Guide tape roll |
Office Depot |
0.02 |
Plastic |
$2.79 |
$2.79 |
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Tape Roll (Double-Sided) |
1 |
Lift page |
Office Depot |
0.09 |
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$2.40 |
$2.40 |
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Lift Assembly |
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Dovetail |
1 |
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Team |
0.07 |
3/8" HDPE |
$0.21 |
$0.21 |
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Lift Arm and Motor Assembly |
1 |
Lift page |
Team |
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$19.54 |
$19.54 |
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Lift Motor Bracket |
1 |
Secure/align motor |
Team |
0.27 |
3/4" HDPE |
$1.09 |
$1.09 |
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Retaining Clip |
2 |
Secure hold arm |
Home Depot |
0 |
Steel |
$0.50 |
$1.00 |
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Right Hold Arm |
1 |
Secure pages |
Team |
0.04 |
3/8" Acrylic Rod |
$0.37 |
$0.37 |
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Logo Mounting Assembly |
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Longhorn Ear Assembly |
2 |
Secure clip to logo |
Team |
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$0.05 |
$0.10 |
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Longhorn Logo |
1 |
Secure book/pages |
Team |
0.35 |
1/4" Acrylic |
$5.00 |
$5.00 |
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Longhorn Mounting Ears |
2 |
Secure clip to logo |
Team |
0.01 |
1/4" Acrylic |
$0.04 |
$0.08 |
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Metal Clip Assembly |
1 |
Load/secure book/pages |
Office Depot |
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$0.65 |
$0.65 |
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Longhorn Ear Assembly |
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Clip Shim |
1 |
Provide holding force |
Team |
0.6 |
1/4" Acrylic |
$0.01 |
$0.01 |
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Longhorn Mounting Ears |
1 |
Secure clip to logo |
Team |
0.01 |
1/4" Acrylic |
$0.04 |
$0.04 |
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Metal Clip Assembly |
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Clip Pin |
2 |
Secure ears to logo/book support |
Team |
0.01 |
1/8" Steel Rod |
$0.19 |
$0.38 |
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Metal Clip |
1 |
Load/secure book/pages |
Office Depot |
0.03 |
Steel |
$0.27 |
$0.27 |
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PAGE TURNER ASSEMBLY |
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Base Assembly |
1 |
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Team |
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$35.00 |
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Book Support Assembly |
1 |
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Team |
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$39.17 |
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Flip Assembly |
1 |
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Team |
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$14.16 |
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Hold Assembly |
1 |
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Team |
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$14.65 |
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Lift Assembly |
1 |
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Team |
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$22.21 |
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ELECTRICAL COMPONENTS |
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OOPIC Microcontroller |
1 |
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$59.00 |
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Other Electrical Components |
1 |
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$65.04 |
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$124.04 |
FASTENERS |
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#4, 1/2 inch wood screws |
75 |
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Home Depot |
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$2.77 |
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#6, 5/8 inch wood screws |
12 |
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Home Depot |
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$0.98 |
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#6, 3/4 inch wood screws |
36 |
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Home Depot |
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$2.94 |
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#10-24, 1 1/2 inch machine screws |
4 |
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Home Depot |
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$0.98 |
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#10-24 cap nuts |
4 |
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Home Depot |
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$0.98 |
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#10 lock washers |
4 |
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Home Depot |
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$0.98 |
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#3-48, 1 inch socket head screw/nut |
1 |
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Austin Bolt |
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$0.20 |
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#2-25, 5/8 inch machine screw/nut |
2 |
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Austin Bolt |
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$0.07 |
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#0-80, 5/8 inch machine screws/nuts |
4 |
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Austin Bolt |
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$0.28 |
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Note: |
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TOTAL WEIGHT |
17.4 |
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TOTAL COST |
$259.41 |
1. Costs computed based on cost per square or linear foot of raw material when necessary. |
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2. See drawings for detailed dimensions. |
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3. Only high cost electrical components costs listed. Refer to Budget for an itemized list. |
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