CAPSTONE DESIGN

CAPSTONEDESIGN

• 20082421 Jung Jong won • 20082443 Choi In Hyeo • 20082456 Kim Nam Hyeo• 20082458 Moon Sung o

Presenter : Choi In Hyeo

1

Content1. Topic2. Select Idea3. Customer Survey4. Establish design specifications5. Create of Conceptual Design6. Prototype7. Virtual modeling for mass produc-

tion

Topic

Topic

Idea deduction products design

production process

product

Topic

Products de-sign

planning product

QFD, CAD Program

QFD CAD

Use I.E Tool

Production Manage-ment , Manufacturing

Engineering etc.production

process

SimulationProgram

?

Idea Select

8

Explanation of Design issues

Bookrest

-The weight of the Bookrest

-The comfort of the Bookrest

-The Portability of Bookrest

Customer Survey

10

Collecting / Grasp / Organization of Customer Need

12%24%

34%

20%10%

Survey

1 Grade 2 Grade 3 Grade4 Grade ETC

( 50 people / 1 ~ 4 Grade , ETC)

11

92%

8%

Pencil case whether to use

Yes No

62%

28% 10%

Pencil case design

Box Zipper Etc

12

70%

30%

Have you used Bookrest

Yes No

66%21%

13%

Bookrest using reason

LearningReadingThe recommendations of other people

13

33%

61%

6%

Why Bookrestunused

Usability inconveniencePortability inconvenienceNecessity lacks

26%

74%

Portability of Bookrest

be right Bad

14

6%16%

78%

The weight of the Bookrest

Lighter suitable heavy

70%

20% 10%

Consumers want to Book rest

weight

1Kg below 2Kg below2Kg More

15

78%

22%

Problems improve after purchase

Purchase Not Purchase

66%

18%

8% 8%

The fair price of the product

10,000 won Below15,000 won Below20,000 won BelowEtc

16

Drawing customer's Needs through a survey - Should be reduced weight of the book stand

- The portability of the product should be better.

- Product weighs 1Kg below should be.

- The price of the product must be less than or equal to 10,000 won.

17

QFD(Quality Function Deployment)

18

Customer needsIm-por-

tanceA B C D E F G H I J K L M N O P Q R S

TOTAL

QFD

?

?Customer needsCollection & List

Plan variable list19 list

19

Customer needsCollection & List

Drawing customer's Needs through a survey

- Should be reduced weight of the book stand

- The portability of the product should be

better.

- Product weighs 1Kg below should be.

-The price of the product must be less than

or equal to 10,000 won.

Customer needsCollection & List

•The Product development time should be less 8 weeks.

•The size of product should be 20x7x7 cm.

•The life of product should be a minimum of one year.

•The price of product should be less than 10000 won.

•The product should be easy and safe to use.

•The weight of product should be less than 1Kg.

•The manufacturing of product should be easy.

•The product should be easily storage of the product.

•The Product should not be easily broken.

•The appearance of product should View handsome.

•The function of product should be satisfied the needs

of customers.

20

Func-tion and Perfor-mance

Ap-pointed Date of

Payment Envi-

ronmen-tal

Problem

Quality

Stiff-ness

Size

Aes-thetic

Packing

Gov-ernmen-tal Reg-ulation

Product costs

Quan-tity

Safety

Energy Con-

sumption

Keep Re-pair Regu-

lation

Weight

Surround-ings Envi-ronment

Terms

Per-sonal Factor

Noise

Opera-tional Costs

Plan variable list

19 list

21

Customer needsIm-por-


•The Product development time should be less 8 weeks.

•The size of product should be 20x7x7 cm.•The life of product should be a minimum of one year.•The price of product should be less than 10000 won.•The product should be easy and safe to use.

•The weight of product should be less than 1Kg.

•The manufacturing of product should be easy.

•The product should be easily storage of the product.

•The Product should not be easily broken.

•The appearance of product should View handsome.•The function of product should be satisfied the needs of customers.

TOTAL

QFD

A Stiffness F Size K Appointed Date of Pay-ment P Quantity

B Safety G Weight L Aesthetic Q Surroundings Environ-ment Terms

C Function and Perfor-mance H Quality M Operational Costs R Personal Factor

D Keep Repair Regulation I Packing N Noise S Governmental Regula-tion

E Energy Consumption J Product costs O Environmental Problem

22

Customer NeedsIm-por-


•The Product development time should be less 8 weeks. 5 2 •The size of product should be 20x7x7 cm. 5 4 5 3 3 3•The life of product should be a minimum of one year. 3 5 4•The price of product should be less than 10000 won. 4 3 5The product should be easy and safe to use. 5 3 5 5•The weight of product should be less than 1Kg. 5 4 3 5 3 3•The manufacturing of product should be easy. 4•The product should be easily storage of the product. 3•The Product should not be easily broken. 4 5 3 4•The appearance of product should View handsome. 4 3 5 2•The function of product should be satisfied the needs of customers. 5 5 2 3 3

TOTAL 90 37 50 0 0 4040 76 0 81 0 20 0 0 01023 0 0

QFD - Choi In Hyeo






23



•The Product development time should be less 8 weeks. 4 •The size of product should be 20x7x7 cm. 5 5 4 3•The life of product should be a minimum of one year. 4 4 4 3•The price of product should be less than 10000 won. 4 3The product should be easy and safe to use. 4 4 4 4 3•The weight of product should be less than 1Kg. 5 4 5 4•The manufacturing of product should be easy. 4•The product should be easily storage of the product. 5 5•The Product should not be easily broken. 3 5 4 4 5•The appearance of product should View handsome. 4 3 3•The function of product should be satisfied the needs of customers. 5 3 4 4

TOTAL 6216 48 28 0 45 4596 0 12 0 12 0 0 0 0 0 35 0

QFD - Jung Jong won






24



•The Product development time should be less 8 weeks. 5 •The size of product should be 20x7x7 cm. 5 5 3•The life of product should be a minimum of one year. 4 3 5•The price of product should be less than 10000 won. 3The product should be easy and safe to use. 5 5 4 4 5•The weight of product should be less than 1Kg. 5 3 5 4•The manufacturing of product should be easy. 3•The product should be easily storage of the product. 5 4•The Product should not be easily broken. 4 4 4 4 4•The appearance of product should View handsome. 3 3•The function of product should be satisfied the needs of customers. 4 4

TOTAL 53 36 20 36 0 40 40 97 0 0 0 9 0 0 0 0 0 0 0

QFD - Kim Nam Hyeo






25



•The Product development time should be less 8 weeks. 3 3 5 •The size of product should be 20x7x7 cm. 5 5 5 5 4 5 4 4•The life of product should be a minimum of one year. 5 5 5 5 5•The price of product should be less than 10000 won. 4 4 4 3The product should be easy and safe to use. 5 4 5 5•The weight of product should be less than 1Kg. 4 3 5 4•The manufacturing of product should be easy. 4 3 3 4 4 4•The product should be easily storage of the product. 4 4 5 4 4 4 3•The Product should not be easily broken. 5 5 5 3 5 4•The appearance of product should View handsome. 4 3 4 5 3 5•The function of product should be satisfied the needs of customers. 5 5 5 5 4 5 5 5 5 5

TOTAL 153 75 12

8 60 0 86 81 127 49 84 31 65 53 0 0 12 0 0 20

QFD - Moon Sung Oh






26

Multidisci-plinary

QFD

1 2

3 4

27



•The Product development time should be less 8 weeks. 4 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 •The size of product should be 20x7x7 cm. 5 2 0 1 0 0 5 4 2 0 1 0 1 0 0 0 0 0 1 1•The life of product should be a minimum of one year. 4 4 0 1 4 0 0 0 2 0 0 0 0 1 0 0 0 0 0 0•The price of product should be less than 10000 won. 4 0 0 0 0 0 0 0 2 0 3 0 0 1 0 0 0 0 0 0The product should be easy and safe to use. 5 4 5 5 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0•The weight of product should be less than 1Kg. 5 2 0 0 0 0 3 5 2 0 2 0 0 0 0 0 0 0 1 0•The manufacturing of product should be easy. 4 1 0 0 0 0 0 0 0 1 1 1 0 1 0 0 0 0 0 0•The product should be easily storage of the product. 4 0 0 1 0 0 1 1 3 0 1 0 0 0 0 0 1 0 0 0•The Product should not be easily broken. 4 5 3 1 3 0 0 0 4 0 2 0 0 0 0 0 0 0 0 0•The appearance of product should View handsome. 4 0 0 1 0 0 1 0 3 1 0 0 4 0 0 0 0 1 0 0•The function of product should be satisfied the needs of customers. 5 2 1 4 1 0 1 1 4 1 1 0 1 0 0 0 0 1 0 0

TOTAL 94 42 66 33 0 53 54 106 13 48 8 26 12 0 0 8 9 10 5

Multidisciplinary QFD






28

Multidisciplinary QFD


tanceH A C G F J B D L I M R Q K P S E N O

•The Product development time should be less 8 weeks. 4 0 1 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0

•The size of product should be 20x7x7 cm. 5 2 2 1 4 5 1 0 0 1 0 0 1 0 0 0 1 0 0 0•The life of product should be a minimum of one year. 4 2 4 1 0 0 0 0 4 0 0 1 0 0 0 0 0 0 0 0•The price of product should be less than 10000 won. 4 2 0 0 0 0 3 0 0 0 0 1 0 0 0 0 0 0 0 0

The product should be easy and safe to use. 5 2 4 5 0 0 0 5 0 0 0 0 0 0 0 0 0 0 0 0

•The weight of product should be less than 1Kg. 5 2 2 0 5 3 2 0 0 0 0 0 1 0 0 0 0 0 0 0

•The manufacturing of product should be easy. 4 0 1 0 0 0 1 0 0 0 1 1 0 0 0 1 0 0 0 0

•The product should be easily storage of the product. 4 3 0 1 1 1 1 0 0 0 0 0 0 0 1 0 0 0 0 0

•The Product should not be easily broken. 4 4 5 1 0 0 2 3 3 0 0 0 0 0 0 0 0 0 0 0

•The appearance of product should View handsome. 4 3 0 1 0 1 0 0 0 4 1 0 0 1 0 0 0 0 0 0•The function of product should be satisfied the needs of customers. 5 4 2 4 1 1 1 1 1 1 1 0 0 1 0 0 0 0 0 0

TOTAL 106 94 66 54 53 48 42 33 26 13 12 10 9 8 8 5 0 0 0

RANK 1 2 3 4 5 6 7 8 9 10 11 12 13 14 14 16 17 17 17A Stiffness F Size K Appointed Date of Pay-

ment P Quantity





29

Func-tion and Perfor-mance

Ap-pointed Date of

Payment Envi-

ronmen-tal

Problem

Quality

Stiff-ness

Size

Aes-thetic

Packing

Gov-ernmen-tal Reg-ulation

Product costs

Quan-tity

Safety

Energy Con-

sumption

Keep Re-pair Regu-

lation

Weight

Surround-ings Envi-ronment

Terms

Per-sonal Factor

Noise

Opera-tional Costs

Plan variable list

19 list

30

Design variable Selection &Relative importance proposition

Quality StiffnessFunction and Per-formance

Weight Size Product costs Safety

Keep Re-pair

Regula-tion

Aes-thetic

Packing

Opera-tion

Costs Personal Factor

Surround-ings Envi-ronment Terms

Ap-pointed Date of

Payment

Design variable Selection16 Kinds

Quantity Govern-mental

Regulation

Conceptual De-sign Strategy

Conceptual Design Strategy(Morphologic Analaysis Matrix)

Main at-tribute de-

duction

Sub at-tribute de-

duction

Conceptual Design Strategy(Morphologic Analysis Matrix)

Form of Product (Pencilcase)

Combined Form of the Book Stand

Support in the Form of Book Stand

Brain Storming

(Sub attribute de-duction)

Morpho-logic

Strategy(Final Model)

Though survey, we found out that cus-

tomer’s need

Morpho-logic

Strategy(Main at-

tribute de-duction)


Combined Form of Bookrest

Support in Form of Bookrest

Case Slide Stick

Slide Folder Furrow

Window Cover Prop

Cylindricality Assembly Assembly

Roll

Morphologic Analysis Matrix

Morphologic Analysis Matrix


StickFurrow

Prop

AssemblySl

ide

Fold

erCov

erAss

embly

Case

Slide

Window

Cylindricality

Combined Form of

Bookrest

Form

of

Pr

oduc

t(Pe

ncilc

ase)

Morphologic Analaysis Matrix4 X 4 X 5 = 80

Roll

Idea sketchof

8 kinds

CAD Mod-elingof

8 kinds

Be-lowTopSide

Sketch & CAD Model - 1




Window Slide Furrow

ALL

Be-lowTopSide





Cylindricality Slide Prop

ALL

Be-lowTopSide




Case Slide Furrow


ALL

Be-lowTopSide





Case Folder Stick

ALL

Be-lowTopSide





Case Folder Furrow

ALL

Be-lowTopSide





Case Slide Prop

ALL

Be-lowTopSide





Case Cover+Slide Furrow

ALL

Be-lowTopSide





Case Folder+Slide Furrow

ALL

Sketch conceptual design As-sessment

Sketch 1

Sketch 2

Sketch 3

Sketch 4

Sketch 5

Sketch 6

Sketch 7

Sketch 8

Standard

Form of Product(Pencil-

case)Window

Cylin-drical-

ityCase Case Case Case Case Case


Slide Slide Slide Folder Folder Slide Cover+Slider

Folder+Slide

support in Form of

BookrestFurrow Prop Furrow Stick Furrow Prop Furrow Furrow

Sketch conceptual designAssessment

Concept design evaluation that

compared reference prod-uct

Concept design evaluation that

considering weighting

Selected Concept design ( Sketch )

Extracted Concept design (Sketch)

Discussion

conceptual designEvaluation criterion

QualityRuggedness

Function and Perfor-menceSize

WeightCost

Reference Product

Reasons for Choosing : best normal bookst-nad

Referential designEvaluation

Sketch1

Sketch2

Sketch3

Sketch4

Sketch5

Sketch6

Sketch7

Sketch8

Compe-tition

Product

Standard

Quality SRugged-

ness SFunction

andperfor-mance

S

Size S

Weight S

Cost S

∑(+) 0

∑(-) 0

∑(S) 6

Total 0

Concept design evaluation that compared reference product

Sketch1

Sketch2

Sketch3

Sketch4

Sketch5

Sketch6

Sketch7

Sketch8

Compe-tition

Product

Standard

Quality -1 +1 +1 -1 S +1 +1 +1 SRugged-

ness +2 +3 +3 +1 +3 +3 +2 +1 SFunction

andperfor-mance

-1 S +1 -1 +1 +1 -1 S S

Size +3 +3 +3 +3 +3 +3 +3 +3 S

Weight +2 +2 +2 +2 +2 S +1 S S

Cost +1 +1 +2 +1 +1 +1 +1 +2 S

∑(+) +8 +10 +12 +7 +9 +9 +8 +7 0

∑(-) -2 0 0 -2 0 0 -1 0 0

∑(S) 0 1 0 0 1 1 0 2 6

Total 6 10 12 5 9 9 7 7 0

Concept design evaluation that compared reference product( Choi In

Hyeo )

Sketch1

Sketch2

Sketch3

Sketch4

Sketch5

Sketch6

Sketch7

Sketch8

Compe-tition

Product

Standard

Quality -1 -2 +1 S S +2 +1 +1 SRugged-

ness -1 S +2 S +1 S +1 S SFunction

andperfor-mance

+1 +2 +3 +1 +1 +2 +1 +1 S

Size S S S +1 S S -1 S S

Weight +1 S +2 +1 +1 S +1 S S

Cost +1 +2 +3 +1 +2 +1 +2 +1 S

∑(+) 3 4 11 4 5 5 6 3 0

∑(-) -2 -2 0 0 0 0 -1 0 0

∑(S) 1 3 1 2 2 2 0 3 6

Total 1 2 11 4 5 5 5 3 0

Concept design evaluation that compared reference product ( Jung

Jong Won )

Sketch1

Sketch2

Sketch3

Sketch4

Sketch5

Sketch6

Sketch7

Sketch8

Compe-tition

Product

Standard

Quality -1 +2 +3 +1 +2 +2 +2 S SRugged-

ness -2 +1 +1 +2 -1 S +1 -1 SFunction

andperfor-mance

+1 +1 +2 +1 +2 +2 +1 +1 S

Size S +1 +2 S +1 +1 S +2 S

Weight +2 +2 +1 +2 +2 +2 +1 +2 S

Cost +2 +2 +3 +1 +2 +1 +2 +1 S

∑(+) 5 9 12 7 9 8 7 6 0

∑(-) -3 0 0 0 -1 0 0 -1 0

∑(S) 1 0 0 1 0 0 1 S 6

Total 2 9 12 7 8 8 7 5 0

Concept design evaluation that compared reference product ( Kim

Nam Hyeo )

Sketch1

Sketch2

Sketch3

Sketch4

Sketch5

Sketch6

Sketch7

Sketch8

Compe-tition

Product

Standard

Quality +2 +2 +2 +1 +3 +2 +1 +1 SRugged-

ness S S +2 +2 +1 +1 +3 S SFunction

andperfor-mance

+1 +1 +3 +1 +3 +1 +1 S S

Size +1 +2 +3 +2 +1 +2 +1 +1 S

Weight +2 +2 +1 +1 +1 +1 S +2 S

Cost +2 +1 +1 +2 +1 +2 +1 +1 S

∑(+) +8 +8 +12 +9 +10 +9 +7 +5 0

∑(-) 0 0 0 0 0 0 0 0 0

∑(S) 1 1 0 0 0 0 1 2 6

Total 8 8 12 9 10 9 7 5 0

Concept design evaluation that compared reference product ( Moon

Sung O )

Sketch1

Sketch2

Sketch3

Sketch4

Sketch5

Sketch6

Sketch7

Sketch8

Compe-tition

Product

Standard

Quality S 1 2 S 1 2 1 1 SRugged-

ness S 1 2 1 1 1 2 S SFunction

andperfor-mance

1 1 2 1 2 2 1 1 S

Size 1 2 2 2 1 2 1 2 SWeight 2 2 2 2 2 1 1 1 SCost 2 2 2 1 2 1 2 1 S∑(+) 6 9 12 7 9 9 8 6 0∑(-) 0 0 0 0 0 0 0 0 0∑(S) 2 0 0 1 0 0 0 1 6Total 6 9 12 7 9 9 8 6 0

Progress? Reserve Progress Reserve Reserve

Concept design evaluation that compared reference product ( Total )

Extracted sketch that used in Concept design evaluation

Sketch 2 Sketch 3

Sketch 6Sketch 5

Form of Product

(Pencilcase)


Support in Form of

Bookrest

Cylindricality Slide Prop

Form of Product

(Pencilcase)


Support in Form of

Bookrest

Case Slide Prop

Form of Product

(Pencilcase)


Support in Form of

Bookrest

Case Slide Furrow

Form of Product

(Pencilcase)


Support in Form of

Bookrest

Case Folder Furrow

weighting to synthe-sized evaluation

Sketch2

Sketch3

Sketch5

Sketch6

CompetitionProduct

IdealProduct

Standard

Quality 4 4 4 4 5 5Rugged-

ness 4 4 4 3 4 5Function

andperfor-mance

4 5 3 4 4 5

Size 5 5 4 5 3 5

Weight 4 5 4 4 3 5

Cost 5 5 5 5 2 5

Total 26 28 24 25 21 30

Evaluation of Concept design ( Choi In Hyeo)

Sketch2

Sketch3

Sketch5

Sketch6

CompetitionProduct

IdealProduct

Standard



andperfor-mance

3 4 4 3 4 5

Size 5 4 3 4 4 5

Weight 4 4 3 4 2 5

Cost 4 4 5 4 3 5

Total 22 26 21 22 20 30

Evaluation of Concept design ( Jung Jong Won )

Sketch2

Sketch3

Sketch5

Sketch6

CompetitionProduct

IdealProduct

Standard



andperfor-mance

3 5 2 4 3 5

Size 5 4 3 4 2 5

Weight 5 4 3 3 2 5

Cost 4 4 3 2 1 5

Total 23 26 18 20 12 30

Evaluation of Concept design ( Kim Nam Hyeo )

Sketch2

Sketch3

Sketch5

Sketch6

CompetitionProduct

IdealProduct

Standard



andperfor-mance

3 4 4 5 4 5

Size 4 4 4 4 4 5Weight 4 4 3 3 4 5

Cost 3 4 3 3 4 5

Total 22 26 24 23 24 30

Evaluation of Concept design ( Moon Sung O )

Sketch2

Sketch3

Sketch5

Sketch6

CompetitionProduct

IdealProduct

Standard



andperformance

3 4 4 4 5 5

Size 5 4 4 4 5 5Weight 4 4 3 3 5 5

Cost 4 4 4 3 5 5

Total 24 26 23 22 30 30

Evaluation of Concept design (To-tal)

Photo 1

Photo 2

Conceptual Design

Value (0~5) Weighting X value

Standard weighting (0~5) A B C D E A B C D E

Quality 5 4 5 4 4 5 20 20 20 16 25

Ruggedness 2 4 5 4 4 5 8 20 20 16 10

Function andFunction 5 3 4 4 4 5 15 12 16 16 25

Size 3 5 4 4 4 5 15 20 16 16 15

Weight 3 4 4 3 3 5 12 16 12 9 15

Cost 2 4 4 4 3 5 8 16 16 12 10

Total 24 26 23 22 30 78 104 100 85 110

Se-lect

Concept design evaluation that considering weighting

Sketch 3

Selected Concept design ( Sketch )

Sketch 3

Form of Product(Pencil-

case)Case


Slide

support in Form

of Bookrest

Furrow

Se-lect

66

Choice of prototype process

67

Bonding

Lum-ber FomaxAcrylic Material

Produc-ing

processcuttingHandicraft

Prototype

Fomax

Choice of prototype process

68

Material quantity of Prototype Part

Material name

Coverupper part

Cover Width part

Cover lengthpart

Storage space Under part (1)

Storage space Under

part (2)

Storage space Width Part(1)

Storage space Width Part(2)

Storage space Length

part

Quan-tity 1 2 2 2 1 2 1 2

Form

Material name

Bookrest part

(1)

Bookrest part

(2)Hinge

Quan-tity 1 1 4

Form

69

Producing process of prototype

70

Producing process of proto-type

Drawing Cutting Bonding

CheckingPrototype

71

72

Virtual modeling of Mass produc-

tion

73

Bonding

Lum-ber IronPlasticMaterial

Produc-ing

processInjec-tion

Plastic

Product

Choice of product material & Producing

process

PlasticWelding

Product’s part

74

Cover FrontBody

Bottom 1 Bottom 1 Hinge

75

Product’s cover

76

Product’s body

77

Product’s pront

78

Product’s bottom 1

79

Product’s bottom 2

80

Hinge

81

Total process of product

Factory Visit

<Interview appearance>

83

Total process of productMaterial

InputInjection molding

postprocess-ing

outsourcing

84

plastic welding

outsourcing

Quality Examination

Total Process of product simulation

Process of product’s cover

Move to process of product’s

cover

Move to place to wait for assembly

process

Process of prod-uct’s cover

Wait for assem-bly process of

product

Plastic injection process of prod-

uct’s cover

Process of product’s body

Move to process of product’s body


process


product

Process of prod-uct’s body


uct’s body

Assembly process of cover and body

Assembly order of cover and

bodyUse order of waited part

Move to next as-sembly process

Assembly process of cover

and body

Process of product’s Front


uct’s pront

Move to process of product’s

pront


process


product

Process of prod-uct’s pront

Process of product’s bottoms & Assembly process

Move to process of product’s bot-

tom


process


product


uct’s bottomProcess of prod-

uct’s bottom

Assembly process for prod-uct’s bottom to complete

Assembly process for product to complete

Use order for waited part

Assembly order for product to

complete

Assembly process for

product to com-plete

Package Process of complete product & Release process

Shipment of product

Move for packing process of prod-

uctPacking process

of product

Total Process of product simulation

THANKYOU

Documents

CAPSTONE DESIGN