Bill of Materials: Project/Product Development
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

 

 

 

 

 

 

 

 

 

Hold Arm and Motor Assembly

 

 

 

 

 

 

 

 

 

Hold Servo Motor

1

Convert electrical to mechanical energy

 

0.07

 

$12.99

$12.99

 

Left Hold Arm

1

Secure pages

Team

0.04

3/8" Acrylic Rod

$0.32

$0.32

 

 

 

 

 

 

 

 

 

Hold Assembly

 

 

 

 

 

 

 

 

 

Dovetail

1

Accommodate different books

Team

0.07

3/8" HDPE

$0.21

$0.21

 

Hold Arm and Motor Assembly

1

Secure pages

Team

 

 

$13.31

$13.31

 

Hold Motor Bracket

1

Secure/align motor

Team

0.27

3/4" HDPE

$1.09

$1.09

 

Left Hold Motor Pin

1

Prevent motor rotation

Team

0

1/4" Acrylic Rod

$0.04

$0.04

 

 

 

 

 

 

 

 

 

Lift Arm and Motor Assembly

 

 

 

 

 

 

 

 

 

Lift Arm

1

Lift page

Team

0.04

3/8" Acrylic Rod

$0.36

$0.36

 

Lift Servo Motor

1

Convert electrical to mechanical energy

 

0.07

 

$12.99

$12.99

 

Retaining Clip

2

Secure tape roll

Home Depot

0

Steel

$0.50

$1.00

 

Roller Hub (from Tape Dispenser)

1

Guide tape roll

Office Depot

0.02

Plastic

$2.79

$2.79

 

Tape Roll (Double-Sided)

1

Lift page

Office Depot

0.09

 

$2.40

$2.40

 

 

 

 

 

 

 

 

 

Lift Assembly

 

 

 

 

 

 

 

 

 

Dovetail

1

 

Team

0.07

3/8" HDPE

$0.21

$0.21

 

Lift Arm and Motor Assembly

1

Lift page

Team

 

 

$19.54

$19.54

 

Lift Motor Bracket

1

Secure/align motor

Team

0.27

3/4" HDPE

$1.09

$1.09

 

Retaining Clip

2

Secure hold arm

Home Depot

0

Steel

$0.50

$1.00

 

Right Hold Arm

1

Secure pages

Team

0.04

3/8" Acrylic Rod

$0.37

$0.37

 

 

 

 

 

 

 

 

 

Logo Mounting Assembly

 

 

 

 

 

 

 

 

 

Longhorn Ear Assembly

2

Secure clip to logo

Team

 

 

$0.05

$0.10

 

Longhorn Logo

1

Secure book/pages

Team

0.35

1/4" Acrylic

$5.00

$5.00

 

Longhorn Mounting Ears

2

Secure clip to logo

Team

0.01

1/4" Acrylic

$0.04

$0.08

 

Metal Clip Assembly

1

Load/secure book/pages

Office Depot

 

 

$0.65

$0.65

 

 

 

 

 

 

 

 

 

Longhorn Ear Assembly

 

 

 

 

 

 

 

 

 

Clip Shim

1

Provide holding force

Team

0.6

1/4" Acrylic

$0.01

$0.01

 

Longhorn Mounting Ears

1

Secure clip to logo

Team

0.01

1/4" Acrylic

$0.04

$0.04

 

 

 

 

 

 

 

 

 

Metal Clip Assembly

 

 

 

 

 

 

 

 

 

Clip Pin

2

Secure ears to logo/book support

Team

0.01

1/8" Steel Rod

$0.19

$0.38

 

Metal Clip

1

Load/secure book/pages

Office Depot

0.03

Steel

$0.27

$0.27

 

 

 

 

 

 

 

 

 

PAGE TURNER ASSEMBLY

 

 

 

 

 

 

 

 

 

Base Assembly

1

 

Team

 

 

 

$35.00

 

Book Support Assembly

1

 

Team

 

 

 

$39.17

 

Flip Assembly

1

 

Team

 

 

 

$14.16

 

Hold Assembly

1

 

Team

 

 

 

$14.65

 

Lift Assembly

1

 

Team

 

 

 

$22.21

 

 

 

 

 

 

 

 

 

ELECTRICAL COMPONENTS

 

 

 

 

 

 

 

 

 

OOPIC Microcontroller

1

 

 

 

 

$59.00

 

 

Other Electrical Components

1

 

 

 

 

$65.04

 

 

 

 

 

 

 

 

 

$124.04

FASTENERS

 

 

 

 

 

 

 

 

 

#4, 1/2 inch wood screws

75

 

Home Depot

 

 

 

$2.77

 

#6, 5/8 inch wood screws

12

 

Home Depot

 

 

 

$0.98

 

#6, 3/4 inch wood screws

36

 

Home Depot

 

 

 

$2.94

 

#10-24, 1 1/2 inch machine screws

4

 

Home Depot

 

 

 

$0.98

 

#10-24 cap nuts

4

 

Home Depot

 

 

 

$0.98

 

#10 lock washers

4

 

Home Depot

 

 

 

$0.98

 

#3-48, 1 inch socket head screw/nut

1

 

Austin Bolt

 

 

 

$0.20

 

#2-25, 5/8 inch machine screw/nut

2

 

Austin Bolt

 

 

 

$0.07

 

#0-80, 5/8 inch machine screws/nuts

4

 

Austin Bolt

 

 

 

$0.28

 

 

 

 

 

 

 

 

 

Note:

 

 

 

TOTAL WEIGHT

17.4

 

TOTAL COST

$259.41

1. Costs computed based on cost per square or linear foot of raw material when necessary.

 

 

 

 

 

2. See drawings for detailed dimensions.

 

 

 

 

 

 

 

3. Only high cost electrical components costs listed.  Refer to Budget for an itemized list.