1. Presented by: Ali Imran Iqbal Baqar 920013730 Yasirbur Rahman Moshiur Rahman 920013449

2. Contents  Introduction  Reminder  Research  Purpose and scope  Problem definition  Design objectives  Pair-wise comparison chart  Objective tree  Metrics  Design constraints  Generation and Evaluation of Alternatives  Morphological charts  Alternative designs  Evaluating matrix  Conclusion  Our next step

3. Introduction  Project Overview  Improve waste management across Emirates  Design aluminum can crusher  Background Research  Two ways of crushing aluminum cans  Spring to reset device  Purpose and Scope  Three conceptual designs  Morphological chart  Pair-wise comparison

4. Problem Definition  Our five main objectives are:  Easy to use  Safe  Attractive  Portable  Economical

5. Pair-wise Comparison Chart Objectives Easy to use SafeAttractivePortableEconomicalScore Easy to use-------00000 Safe1-------1114 Attractive10-------012 Portable101-------13 Economical1000-------1

6. Functions  Easy to use  Provide force  Reset the lever  Safe  Hold the can  Use environmentally friendly materials  Attractive  Color  Shape or Form  Portable  Transport  Lightweight  Can be hung  Economical  Reduce materials cost  Minimize manufacturing cost

7. Objective Tree Can Crusher Easy to use Provide force Reset the lever Safe Hold the can Use environment ally friendly materials Attractive Color Shape or Form Portable Transport Lightweig ht Can be hung Economical Reduce materials cost Minimize manufact uring cost

8. Metrics ObjectivesMetric Safe No risk to user ----------------------------------------May cause injury 5---------------------------------------0 Portable Easy to transport---------------------------------Difficult to transport 5------------------------------0 Attractive Smart shape and multi-color-----------Dull shape and mono color 5 -------------0 Easy to use Less force-----------------------------------------------------More force 5 ---------------------------------------------------0 Economical25 AED ------------------- ----------------------------------------100 AED 5 -----------------------------------------------------------0

9. Design Constrains  Manual: hand-operated  Weight: range of 0.5 to 2 kilos.  Size: crush 1 aluminum can per operation.  Material: available locally or in machine shop

10. Morphological Charts Portable FunctionMean TransportHandleRubber gripWheels LightweightWoodPlasticSteel alloys Can be hungNailBoltscrew Safe FunctionMean Hold the canRubber padsBracketsBox assebly(chamber) Provide environmentally friendly materials Recyclable materialsFiberSustainable materials Easy to use FunctionMean Provide forceLever Rope and pulley Springs Reset the leverSpringsElasticBy hand

11. Morphological Charts(cont.) Attractive FunctionMean ColorPaintDyesWater color Shape or FormAnimalother life formsToy car Economical FunctionMean Reduce parts materials cost PlasticAluminumSteel Minimize manufacturing cost Low quality materialModerate quality materialHigh quality material

12. Alternative Designs

13. Evaluation Matrix ObjectiveWeightingDesign 1Design 2Design 3 Safe 5245 Portable 4254 Attractive 3345 Economical 2244 Easy to use 1434 Final Score (out of 75) 356372 Percentage 46%84%96%

14. Chosen Design

15. Conclusion