Use the Factor of Safety and Margins as Design Variables. – Product Design Best Practices

Product Design Best Practices

50 Industry-Inspired Best Practices for Quality Products

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Factors of safety and margins account for uncertainty during design to reduce product risk or give room for growth.
A factor of safety is the ratio of what is allowed to what is applied.
Margins are the difference between the allowed and the applied and are equal to the factor of safety minus one.
Factors of safety and margins are commonly used in mechanical design, and margins are used in electrical engineering and computer science.

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Factor of Safety Worksheet

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