Managing Engineering Design V.1

CONCEPTUAL DESIGN WORK SHEET: <%=(Title.Fields.Item("Project").Value)%>

Contributor:

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Date:

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REQUIREMENTS

CONTRIBUTING
FACTORS

CURRENT
STATUS

REQUIRED
ACTION

Good Marginal Poor

Revise
Proceed | N/A

FUNCTIONAL

Spatial constraints, access for assembly/operation/maintenance Overall geometry
Practicality, accuracy, backlash, wind-up, lead and lag, smoothness Motion of parts
Strength, stiffness, leverage, deflection, buckling, dynamics Forces involved
Efficiency, power source alternatives Energy needed
New materials, treatments, material design, compatability, life, recycling Materials to be used
Start-up, operation, shut-down, maintenance Control system
Input, output, storage, display Information flow

SAFETY

Design safety, safety standards, weak spots in design Operational
Use, misuse, outside intervention, protection, built-in safety Human
Storage, transport, contamination, disposal Environmental

QUALITY

Quality criteria, quality management, quality improvement techniques Quality assurance
Quality measurement, quality v. cost Quality control
Specified life, cost constraints, weak spots Reliability

MANUFACTURING

Ease of manufacture, near net shape, finish, costs Production of components
Meeting specifications, transport, delivery, inspection, costs Purchase of components
Ease of assembly, number of parts, sequencing of operation Assembly
Internal transport/transfer, external transport modes, packaging Transport

TIMING

Realistic time-frame, long lead items, delay consequences Design schedule
Testing new technology, technological risk Development schedule
Tooling, long lead items Production schedule
Realistic time frame, field testing, commissioning Delivery schedule

ECONOMIC

Adequacy of analysis, user expectation, customer expectations Marketing analysis
Historical data, design effort, team availability Design costs
Test equipment, test plan, modelling, prototyping Development costs
Processes involved, equipment needed, tooling Manufacturing costs
Storing, packaging, transport, selling Distribution costs

ERGONOMIC

Specification requirements, types of user, different uses User needs
Conditions of use, misuse, difficulties, instructions, clarity of use Ergonomic design
Control of product in operation, runaway problems, shutdown modes Cybernetic design

ECOLOGICAL

Recycling, disposal material, interactions, operational life Material selection
Harmful effects, regulations, recycling, disposal Working fluid selection

AESTHETIC

Field testing, surveys, national cultures, cultural differences Customer appeal
Presentation, trade shows, timing, competition Fashion
Trends, age groups, new technology Future expectations

LIFE-CYCLE

Method of distribution, advertising, promoting, national/international Distribution
Life expectancy, instructions, manual, training, safety Operational
Frequency, simplicity, instructions, repair, spare parts Maintenance
Regulations, compatable materials, recycling, rebuilding Disposal

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