Colgate Motion Redesign

Team D4: Melissa Cardoso, Kyle Sam, Chris Lazar, and Megan Doerzbacher

In order to finish in a timely manner we created a Gantt chart to make sure we met the deadline.

Week 1 Week 2 Week 3 Week 4 Week 510-Sep 17-Sep 24-Sep 1-Oct 4-Oct

Customer InterviewsNeed StatementsNeed Assessment

Concept GenerationConcept Development

Concept Screening Concept Selection

Design Proposal/ Report

Though we mostly worked together, each team member had individual tasks that he or she focused on.

Melissa Cardoso Chris Lazar Megan Doerzbacher Kyle SamProblem StatementsMarket Assessment

MindmappingWork Breakdown Structure

Progress LogToothbrush Dissestion Discussion

Sketch of a prototype and create a SolidWorks project Human Variability- Use and target market

Summary of the projectCollect 5-7 main objectives for the redesignComparison for weighting these objectives

Final Report

Before we considered concepts, we pointed out flaws and researched patents on current products.

We gathered information in regards to customer needs by interviewing both children and parents.

Need/Wants Number of peopleChild has to use it without diffi culty 9Durabitlity should be long 4Reasonable price of toothbrush 6Easy to move and hold 12Operating noise sounds more pleasant 6Different settings for different strengths in brushing 2Easy to store 1Handle is more proportional to childs hands 5More colors and patterns to grab attention 4Longer battery life 5Diversity in how to power and charge it 2Cleans unders braces 1Appropiate head size 2Toothpaste dispenser 1

With their needs we then organized it into a hierarchy to determine which ones would be most important.

Long battery

Easy to Clean

Easy to hold in hand

Lightweight

Attractive casing

Efficient charging deck/ rechargable

Soft bristles

Toothpaste dispenser

0 10 20 30 40 50 60

# of People

# of People

With various tools and measuring devices, we conducted a dissection of our original toothbrush.

Using customer needs we formulated some concepts encompassing different features requested.

Concepts

Thinner handle

Rechargeable battery with charging dock

Two oscillating heads

Quiet

Circular base

Plays music

ON button is larger than OFF button; ON button is above OFF button

Bending head

Easy to handle

Lightweight

Soft bristles

Timer

With the concept selection chart we were able to narrow down the criteria for our toothbrush redesign.

1 2 3 4 5 6 7 8 9 REFSimple Controls + - - - + + + + - 0Lightweight 0 0 0 0 0 0 0 0 0 0TImer 0 0 0 + + 0 0 0 + 0Easy to Hold in Hand + + + + + 0 - + + 0Soft Bristles 0 0 0 0 0 0 0 0 0 0Quiet + + + 0 + + + + 0 0Cleans Under Braces 0 + + 0 + 0 + + 0 0Attractive Casing 0 0 0 0 0 0 0 0 0 0Plays Music 0 0 + 0 + + 0 0 0 0Long Battery Life + 0 0 + 0 + + 0 0 0Efficient Recharging + 0 0 + 0 + + 0 0 0Pluses 5 3 4 4 6 5 5 4 2 0Same 6 7 6 6 5 6 5 7 8 11Minuses 0 1 1 1 0 0 1 0 1 0Net 5 2 3 3 6 5 4 4 1 0Rank 3 8 6 7 1 2 4 5 9 10Continue? no no no no yes yes no no no No

Our final design incorporated customer needs and different aspects from the concepts we generated.

Compared to similar products on the market, our redesign has more features while still cheap and effective.