DESIGN MANUFACTURE FUNCTION FUNCTION n n n Primary

DESIGN & MANUFACTURE FUNCTION

FUNCTION n n n Primary Function Secondary Function Fitness for Purpose

FUNCTION n A Function is an action that a design “must perform”. n A Function is typically expressed in positively worded noun-verb phrase. n A designer focuses all of his creative energy to satisfy a function.

PRIMARY FUNCTION The primary function of any product is to satisfy the design brief. In order to satisfy the brief a concise analysis must be performed in order to extract and identify the primary function. The main function of any product is its function: Clock - To display the time. Scissors - To cut materials Electric Kettle - To boil water

SECONDARY FUNCTION Functional: A functional secondary function can be an added product feature, providing the user with an alternative use and incentive for acquiring the product. CD-R(W) Drive with DVD-ROM capability. Mobile phone with Camera/ Radio /MP 3 player. Subtle: A subtle secondary function can be a feature that is not directly associated with the standard function of the product. Aesthetic enhancement of the surrounding environment. The integration of new technology into society.

FITNESS FOR PURPOSE How well does the product do its job? In other words we need to know how fit the product is for the purpose for which it was designed. Key Questions: What must the product do? Where must the product be used? Who will be using the product? Why are they using the product? Think about an electric iron compared to a travel iron. Both have a purpose but are set to fulfil different conditions. Use the key questions to identify the differences…

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