Chapter 6 concept generation
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Chapter 6: Concept Generation. Product Design and Development Fourth Edition by Karl T. Ulrich and Steven D. Eppinger. Product Development Process. Concept Development. System-Level Design. Detail Design. Testing and Refinement. Production Ramp-Up. Planning.

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Chapter 6: Concept Generation

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Chapter 6: Concept Generation

Product Design and Development

Fourth Edition

by Karl T. Ulrich and Steven D. Eppinger


Product Development Process

Concept

Development

System-Level

Design

Detail

Design

Testing and

Refinement

Production

Ramp-Up

Planning

Concept Development Process

Mission

Statement

Development

Plan

Identify

Customer

Needs

Establish

Target

Specifications

Generate

Product

Concepts

Select

Product

Concept(s)

Test

Product

Concept(s)

Set Final

Specifications

Plan

Downstream

Development

Perform Economic Analysis

Benchmark Competitive Products

Build and Test Models and Prototypes


You should spend a minimum of 15 minutes being weird, playful, and goofy

  • We are going to be weird, playful, and goofy for a few minutes.

  • We are going to present the book’s recommendation.

  • We are then going to diverge!


Visual Puzzles


Visual Puzzles

Sand


Go

Crazy,

Take a shower.


Concept Generation Example:Power Nailer


  • This tool is easy to use.

  • Ideal for homeowners, do-it-yourselfers, and the independent tradesman

  • Easy to Use, Does everything that a heavy duty tool would do

  • Can also be used to fasten conduit clips, threaded stud, washered power fasteners, and other specialty fasteners

  • Lightweight and portable

  • America's most popular powder actuated tool

  • Uses .22 caliber, necked down, crimped, low velocity power loads. Fastens up to 2 1/2" power fasteners and 2 1/2" washered power fasteners

  • Weighs slightly more than 2 lbs


Possible Solutions for Apply Translational Energy to Nail

Single Impact

Multiple Impacts

Tens or

Hundreds

Multiple Impacts

Hundreds or Thousands

Push

Twist-Push


This represents a new decomposition that assumes an electrical energy source and the accumulation of energy in the mechanical domain.

The text uses morphological analysis (but calls it systematic exploration). As many methods as possible to accomplish each function are determined. Then feasible combinations are identified.


Exhibit 6-10 In this solution concept, a solenoid compresses a spring and then releases it repeatedly in order to drive the nail with multiple impacts


Exhibit 6-11 Multiple solutions arising from the combination of a motor with transmission, a spring, and single impact. The motor winds a spinning, accumulating potential energy which is then delivered to the nail in a single blow.


External Search:Hints for Finding Related Solutions

  • Lead Users

    • benefit from improvement

    • innovation source

  • Benchmarking

    • competitive products

  • Experts

    • technical experts

    • experienced customers

  • Patents

    • search related inventions

  • Literature

    • technical journals

    • trade literature


Internal Search:Hints for Generating Many Concepts

  • Suspend judgment

  • Generate a lot of ideas

  • Infeasible ideas are welcome

  • Use graphical and physical media

  • Make analogies

  • Wish and wonder

  • Solve the conflict

  • Use related stimuli

  • Use unrelated stimuli

  • Set quantitative goals

  • Use the gallery method

  • Trade ideas in a group


Concept Generation Exercise:Vegetable Peelers


Vegetable Peeler Exercise:Voice of the Customer

  • "Carrots and potatoes are very different."

  • "I cut myself with this one."

  • "I just leave the skin on."

  • "I'm left-handed. I use a knife."

  • "This one is fast, but it takes a lot off."

  • "How do you peel a squash?"

  • "Here's a rusty one."

  • "This looked OK in the store."


Vegetable Peeler Exercise:Key Customer Needs

1.The peeler peels a variety of produce.

2.The peeler can be used ambidextrously.

3.The peeler creates minimal waste.

4.The peeler saves time.

5.The peeler is durable.

6.The peeler is easy to clean.

7.The peeler is safe to use and store.

8.The peeler is comfortable to use.

9.The peeler stays sharp or can be easily sharpened.


Classic Vegetable Apple Orange Potato Peeler Peelers

Black Lancashire peeler

Peelin' Potatoes

Apple Peeler Pro


Access

Device

Release Vegetable

Locate Vegetable

Remove Peel

1. Brainstorm your assigned function in a group.

2. Consider possible combinations.


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