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Project Management
 Cost outline of project
OUTLINE OF DESIGN ACTIVITIES
Charts/Revised Problem Statement
 Top design features, how to make straightener more efficient as well as user friendly
Concept Ideas
 Talks about different methods of approach to key ideas for the straightener.
 Ex. Power source, Protection, etc.
External Search Activities
 Goes through historical hair straightener models
 Benchmarks current models and customer appeal
Morphological Chart
 Visual and ordered representation of the concept ideas
Concept Selection
 Pugh Charts
Sketch/CAD drawing
 3D Solidworks model of hair straightener
How does it work?
 Explanation how the straightener works on a technical level
Concluding Remarks
 How straightener meets standards
PROJECT MANAGEMENT
 The total amount of the hair straightener parts (Chi) $70
 The motherboard and switch were the most expensive ($50 dollars)
 The plastic covering costs $5
 The metal wires and aluminum and ceramic plates $15
 We reduced costs by using recyclable plastic (polylactic acid polymers that cost
($0.90-$1.00)
CHARTS AND REVISED PROBLEM STATEMENT
1. Safety
1.1 Heat Resistant top/grip
1.2 Ceramic plates
F.1 Ready to use light
F.2 Automatic Shutoff
2. User friendly
2.1 Light weight
2.2 Grip
F.1 Retractable plug
F.2 Temperature dial
C.1 Smaller base
2.3 Wide Hinge
2.4 Large plates
3. Aesthetically pleasing
3.1 Different designs/colors
3.2 Sleek design
F.4 Cut side walls and tread
4. Environmentally Friendly
4.1 Safe Plastic
4.2 Conserves energy
C. 3 Retails under $100
REVISED PROBLEM STATEMENT
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


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Redesign a hair straightener that would be more environmentally friendly, cost
effective, aesthetically pleasing, and above all safe for the consumer to use.
We learned that 54 % of customers received at least one burn injury from their
straightener a week.
In order to fix this problem, we plan to implement an insulating system near the
ceramic plates to prevent consumers from getting burned.
It was found that 70 % of users were not completely satisfied with design of their
straightener and rated their straightener’s design below a “5.”
It was found 66 % did not have an automatic shutoff feature, and people taking the
survey said they straighten their hair at 300 degrees Fahrenheit or higher.
To help the straightener be the safest it can possibly be, we plan to install a automatic
shutoff feature on our straightener.
Environmentally-friendly and cost efficient plastic to ensure corporate responsibility, as
well as reduce cost, in order to give our product a competitive advantage on the
market.
CONCEPT IDEAS
Human Factors
Body Design
Head Design
Power
Generation
Energy
Mechanism
Grips around
handle
1.
1 inch
1.
Plug
1.
Electrical
2.
2 inch
2.
Wind
2.
Mechanical
Digital
Temperature
3.
Triangular
edge
3.
Solar Plates
3.
Solar
4.
Battery
4.
Chemical
3.
Easy access
on/off
4.
5.
Shake Design
5.
Mechanical
4.
Light on when
ready to use
Coils around
head for
curling
6.
Crank Design
6.
Mechanical
5.
7.
Induction
Heating
7.
Electrical
Automatic
shutoff
Ceramic
Plates
6.
Retractable
Plug
Shape of
plates
7.
Outside
plastic
1.
2.
5.
6.
7.
Rubber at top
EXTERNAL SEARCH ACTIVITIES
Dissected a CHI turbo.
 Labeled each part name, weighed, took dimensions, and researched the cost individually
 Voltage: 122.6 v
First Hair Straightener designed in
1872 by Erica Feldman
Researched Former Patents
 Various function patents such as:
 Automatic Shut-off, Retractable Plug, Ready to use light, and temperature dial
Product Archeology
 Researched old hair straightener design models from 1872 – Present
Benchmarking
 Researched current products and used rating system to judge features
 Based on customer reviews.
Design Target, which will include
1.
2.
3.
4.
5.
6.
7.
8.
Convenience of switch location
Digital Temperature feature
Automatic shutoff feature
Retractable cord
Environmentally friendly plastic
Rubber on top of ceramic plates
Grips for safety
Light up when ready to use
Current Hair Straighteners
Human Factors Body Design
Head Design
Power Generation
Energy Mechanism
MORPHOLOGICAL CHART
Grips around handle
1 inch
Plug
Electrical
Digital temperature
2 inch
Wind
Mechanical
Easy access on/off
Triangular edge
Solar Plates
Solar
Light turn on when ready to use
Coils around head for curling
Battery
Chemical
Automatic shutoff
Ceramic plates
Shake Design
Mechanical
Retractable plug
Shape of plates
Crank Design
Mechanical
Rubber at top
Outside plastic
Induction heating
Electrical
CONCEPT SELECTION
Human Factors Body Design Pugh Chart
Weighting Concepts
Grips around handle
Digital Temperature
Easy access on/off
Light turn on when ready to use
Automatic shutoff
Retractable plug
Rubber Top
Environmentally Friendly Safety
0.2
0
0
0
1
1
0
0
0.2
User Friendly Aesthetically Pleasing Total
0.5
0.1
0
-1
1
0
1
0
1
0
1
1
1
1
1
0
0
1
0
0
0
1
-1
Ranking
0
0.6
0.7
0.7
0.9
0.6
0.2
5
3
2
2
1
3
4
Head Design Pugh Chart
Weighting Concepts
1 inch
2 inch
Triangular Edge
Coils around head for curling
Ceramic Plates
Shape of Plates
Outside Plastic
Environmentally Friendly Safety
User Friendly Aesthetically Pleasing Total
0.2
0.2
0.5
0.1
0
-1
0
-1
0
0
1
0
0
-1
-1
1
0
0
0
0
0
0
1
-1
-1
0
-1
-1
-1
0
0
1
Ranking
0
-0.4
-0.3
-0.5
0.7
-0.5
-0.2
2
5
4
6
1
6
3
Energy Mechanism Pugh Chart
Weighting Concepts
Electrical
Environmentally Friendly Safety
User Friendly Aesthetically Pleasing Total
0.2
0.2
0.5
0.1
0
0
0
0
Ranking
0
1
2 inch
Triangular Edge
Coils around head for curling
Ceramic Plates
Shape of Plates
Outside Plastic
-1
0
-1
0
0
1
0
-1
-1
1
0
0
0
0
0
1
-1
-1
-1
-1
-1
0
0
1
CONCEPT SELECTION
-0.4
-0.3
-0.5
0.7
-0.5
-0.2
5
4
6
1
6
3
Energy Mechanism Pugh Chart
Weighting Concepts
Environmentally Friendly Safety
User Friendly Aesthetically Pleasing Total
0.2
0.2
0.5
0.1
Electrical
Mechanical
Solar
Chemical
0
0
1
0
0
1
-1
-1
0
-1
0
0
0
0
-1
0
Ranking
0
-0.3
-0.3
-0.2
1
3
3
2
Power Generation Pugh Chart
Environmentally Friendly Safety
Weighting Concepts
0.2
Plug
Wind
Solar
Battery
Shake
Crank
Induction Heating
0
1
1
-1
1
1
0
User Friendly Aesthetically Pleasing Total
0.2
0.5
0.1
0
-1
0
0
0
0
-1
0
0
-1
0
-1
-1
0
0
-1
-1
0
0
-1
0
Ranking
0
-0.1
-0.4
-0.2
-0.3
-0.4
-0.2
1
2
6
3
4
5
3
SKETCH/ CAD DRAWING (FINAL DESIGN)
Isometric View
Top View
Right View
SOLIDWORKS SKETCH (FINAL DESIGN)
HOW DOES IT WORK?
 Plugged into the wall to receive electrical energy. Once the
straightener is has the
 Energy runs through the wires to the aluminum conducting
plates.
 The conducting plates then heat up the ceramic plates
which are able to retain the heat.

Once the ceramic plates are heated the straightener is
ready to use.
 Then the straightener clamps the hair and straighteners it
CONCLUDING REMARKS
 Increased Sustainability
 Outside plastic changed to
PLA Polymers
 Cheaper
 Environmentally Friendly
 Biodegradable
 Meets Consumer’s Needs
Increased Safety Features
 Automatic Shutoff
 Easy Access On/Off Switch
 Rubber Edges
 Aesthetically Pleasing
 Sleek Design
 Different Colors
 Added Features
 Digital Temperature Control
 Retractable Cord
 Rubber Grips
 Ceramic Plates
