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engineering analyses are documented in the
Manufacturing Plan with a level of detail appropriate to
the phase of the project. The production engineer also
participates in and contributes to major project reviews
(primarily PDR and CDR) on the above items, and to
special interim reviews such as the Production
Readiness Review (ProRR). 6.7.2 Producibility Tools and Techniques Manufacturing Functional Flow Block Diagrams
(FFBDs). Manufacturing FFBDs are used in the same
way system FFBDs. described in Appendix B.7.1, are
used. At the top level, manufacturing FFBDs
supplement and clarify the system's manufacturing
Risk Management Templates. The risk management
templates of DoD 4245.7M, Transition from
Development to Production ...Solving the Risk Equation,
are a widely recognized series of risks, risk responses,
and lessons reamed from DoD experience. These
templates, which were designed to reduce risks in
production, can be tailored to individual NASA projects.
Producibility Assessment Worksheets. These worksheets, which were also developed for DoD, use a judgment-based scoring approach to help choose among
alternative production methods. See Producibility
Measurement for DoD Contracts.
Producibility Models. Producibility models are used in
addressing a variety of issues such as assessing the
feasibility of alternative manufacturing plans, and
estimating production costs as a part of life-cycle cost
management. Specific producibility models may include:
• Scheduling models for estimating production
enhancements and/or spares production into the
Manufacturing or assembly flow simulations,
e.g., discrete event simulations of factory
Production cost models that include learning
and production rate sensitivities. (See sidebar
page 82.) Statistical Process Control/Design of Experiments.
These techniques, long applied in manufacturing to
identify the causes of unwanted variations in product
quality and reduce their effects, have...
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