Form, fit and function: Difference between revisions

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'''Form, Fit, and Function (F3)''' is the identification and description of characteristics of a part or assembly. Each defines a specific aspect of the part to help engineers match parts to needs. The F3 framework increases [[design change]] flexibility by allowing changes to the part with minimal documentation and design cost as long as the fit, form and function of the product isare maintained constant.

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'''Form, Fit, and Function (F3)''' is the identification and description of characteristics of a part or assembly. Each defines a specific aspect of the part to help engineers match parts to needs. The F3 framework increases design change flexibility by allowing changes to the part with minimal documentation and design cost as long as the fit, form and function of the product is maintained constant.

== Definitions ==

'''Fit:''' refers to the ability forof the part or feature to connect to, mate with, or join to another feature or part within an assembly. If a part requiresThe “fit” itallows usuallythe impliespart thatto theremeet arethe relatively tightrequired assembly [[Engineering tolerance|tolerances]] that must be met in order for the part to be useful.

'''Form:''' refers to such characteristics as external dimensions, weight, size, and visual appearance of a part or assembly. This is the element of F3 that is most affected by an engineersengineer's choiceaesthetic ofchoices, including enclosure, chassis, and control panel, etc. that becomesbecome the outward "face" of the product.

'''Function:''' is a criteriacriterion that is met when the part performs its stated purpose effectively and reliably. In an electronics applicationproduct, Functionfor example, function can depend on the [[Solid-state electronics|solid-state components]] used, the [[software]]/ or [[firmware]], and quite often on the features of the electronics enclosure selected. Poorly placed or dimensionedsized ports and misleading/ or missing labeling are just two of the most common ways in which an enclosure can fail the Function criteria offunction F3criterion.

==References==