Title page
국문초록
Contents
Chapter1 : Introduction 11
1.1 Research background and aim 11
1.2 Research contents and methods 13
Chapter2 : Study on the literature of the green design 16
2.1 The reasearch of green design and relative theories 17
2.1.1 The concept of the green design 17
2.1.2 The contents of the green design 17
2.1.3 The methods of the green design 19
2.1.4 The principles of the green design 21
2.1.5 The valuation standards of the green design 24
2.2 The disassembly and assembly design 26
2.2.1 The summarize for the disassembly and assembly design 27
2.2.1.1 The relation between disassembly design and assembly design 27
2.2.1.2 The meaning of the disassembly and assembly design 27
2.2.1.3 The analysis for main problems 29
2.2.1.4 The advantage for the disassembly and assembly product 30
2.2.1.5 The main existent problems of the disassembly and assembly design now 31
2.2.2 The principles for the disassembly and assembly design 31
2.2.2.1 Choose the object for disassemble 32
2.2.2.2 Reduce to the workload of the disassembly as far as possible 32
2.2.2.3 Simplify the design as far as possible on the structure to reduce the difficulty of the disassembly 34
2.2.2.4 Easy to disassemble 35
2.2.2.5 Easy to separate 35
2.3 Literatures pandect 37
Chapter3 : Analysis of toothbrushes and relative products 39
3.1 Analysis of current toothbrushes 41
3.1.1 Functions analysis 41
3.1.2 Forms analysis 41
3.1.3 Materials analysis 44
3.1.4 Colors analysis 45
3.2 Development analysis of toothbrushes and correlative products 47
3.2.1 Existing problems analysis 47
3.2.2 System unit research 48
3.2.3 Analysis of product's commonness and difference 49
3.2.4 Research in disassembly and assembly design 51
Chapter4 : Analysis of users 53
4.1 Analysis of the users needs 53
4.2 Users to the toothbrush's preference research 54
4.3 Analysis of consumer psychology and consumer behaviors 59
Chapter5 : Analysis of market 60
5.1 Analysis of market development and needs 60
5.2 SWOT analysis for the target market 62
Chapter6 : Design development 64
6.1 Design direction 65
6.2 Design sketch 67
6.3 Design development 69
6.4 3D rendering 72
6.5 CAD drawing 75
6.6 Model 79
Chapter7 : Conclusion 81
7.1 Conclusion 81
7.2 Suggestions for future research 82
References 83
Addendum 84
Abstract 85
[Table 1] The common thermoplastics compatibility 33
[Table 2] Function analysis for toothbrush 41
[Table 3] The toothbrush's design standard(1978 the ministry of health) 43
[Table 4] Characteristics comparison in the toothbrush, the floor brush and toilet brush 50
[Table 5] The construction of questionnaire investigates 54
[Table 6] Elemental characteristics of design 65
[Table 7] Polyurethane capability table 66
[Figure 1] The research framework and flow chart 15
[Figure 2] the green materiel characteristic evaluating flow chart 18
[Figure 3] the lifecycle circulation process for product 20
[Figure 4] the logos of different countries 25
[Figure 5] the "fan" chair 30
[Figure 6] the dissolvability of material and the disassembly 34
[Figure 7] the milk lamp 38
[Figure 8] the structure for toothbrush shape 42
[Figure 9] the hair of brush shape 42
[Figure 10] the head of brush shape 42
[Figure 11] the neck of brush shape 42
[Figure 12] the skid proof design 43
[Figure 13] the handle of brush shape 43
[Figure 14] the colors for current toothbrushes 45
[Figure 15] the trend for toothbrush colors 46
[Figure 16] the toothbrush colors classify 46
[Figure 17] combination product 48
[Figure 18] the kinds of disassembly toothbrush 52
[Figure 19] the forms for connection 52
[Figure 20] the compare in toothbrush purchasing-factors 53
[Figure 21] the likes percentage for each part of toothbrush 54
[Figure 22] the relative diagram for the hair of brush shape 55
[Figure 23] the relative diagram for the head of brush shape 55
[Figure 24] the relative diagram for the neck of brush shape 55
[Figure 25] the relative diagram for the skid proof design 56
[Figure 26] the relative diagram for the handle of brush shape 56
[Figure 27] the difference appearance for each part of toothbrush to difference sex 57
[Figure 28] the best combination of toothbrush 58
[Figure 29] the worst combination of toothbrush 58
[Figure 30] the trend of society development 62
[Figure 31] the trend for toothbrush and relative products 63
[Figure 32] the factors for design direction 64
[Figure 33] Idea Sketch1 67
[Figure 34] Idea Sketch2 68
[Figure 35] used the inserts to design different brushes in different forms 69
[Figure 36] used the current products to design different brushes in different forms 70
[Figure 37] Rendering1 72
[Figure 38] Rendering2 73
[Figure 39] Rendering3 74
[Figure 40] Drawing1 75
[Figure 41] Drawing2 76
[Figure 42] Drawing3 77
[Figure 43] Drawing4 78
[Figure 44] Model1 79
[Figure 45] Model2 80