CONCEPTUAL DESIGN PRESENTATION

Presented by:

Ali Imran Iqbal Baqar 920013730Yasirbur Rahman Moshiur Rahman 920013449

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

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

Problem Definition

Our five main objectives are: Easy to use Safe Attractive Portable Economical

Pair-wise Comparison Chart

Objectives

Easy to use

Safe Attractive

Portable Economical

Score

Easy to use

------- 0 0 0 0 0

Safe 1 ------- 1 1 1 4

Attractive

1 0 ------- 0 1 2

Portable 1 0 1 ------- 1 3

Economical

1 0 0 0 ------- 1

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

Objective Tree

Can Crushe

r

Easy to use

Provide force

Reset the lever

Safe

Hold the can

Use environme

ntally friendly

materials

Attractive

Color Shape or Form

Portable

Transport

Lightweight

Can be hung

Economical

Reduce materials cost

Minimize manufac

turing cost

Metrics

Objectives Metric

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 color5 -------------0

Easy to use Less force-----------------------------------------------------More force

5 ---------------------------------------------------0

Economical 25 AED ------------------- ----------------------------------------100 AED

5 -----------------------------------------------------------0

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

Morphological Charts

PortableFunction Mean

Transport Handle Rubber grip Wheels

Lightweight Wood Plastic Steel alloys

Can be hung Nail Bolt screw

SafeFunction MeanHold the can Rubber pads Brackets Box assebly(chamber)Provide environmentally friendly materials

Recyclable materials

Fiber Sustainable materials

Easy to useFunction MeanProvide force Lever Rope and

pulleySprings

Reset the lever Springs Elastic By hand

Morphological Charts(cont.)

AttractiveFunction Mean

Color Paint Dyes Water color

Shape or Form Animal other life forms Toy car

Economical

Function Mean

Reduce parts materials cost

Plastic Aluminum Steel

Minimize manufacturing cost

Low quality material

Moderate quality material High quality material

Alternative Designs

Evaluation Matrix

Objective Weighting Design 1 Design 2 Design 3

Safe 5 2 4 5

Portable 4 2 5 4

Attractive 3 3 4 5

Economical 2 2 4 4

Easy to use 1 4 3 4

Final Score (out of 75) 35 63 72

Percentage 46% 84% 96%

Chosen Design

Conclusion