The specification is probably the easiest section of a design project, if all the research has been carried out. The specification draws on the information collected and presented during the research section.
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Free course Manufacturing 1. One example of such a diagram is given in Figure 3. Figure 3 A writing a product design specification design sub-system Long description This diagram assumes that a conceptual design for a product already exists and so concentrates on how we resolve the conflict between the shape of a product, the choice of material and the selection of a process to make it.
It is clear that the output of any useful design system should be a specification detailing the way in which the product is to be made, and the standard to which it is to be manufactured. The design activity is triggered by an idea for a product.
The market need is defined by the PDS which evolves with the product, starting out as the expression of often only a vague idea but gradually increasing in complexity and detail as the product design takes shape.
It would be a mistake to think that this checklist is a prescription to design solutions.
The important thing to realise is that the PDS increases in detail as the design becomes progressively refined and each of the questions in the list will have to be asked on a number of occasions, the answers becoming more comprehensive on each iteration.
One attempt to describe this iterative development of the PDS uses the spiral design model, as shown in Figure 4. Figure 4 A spiral design model of PDS development Long description Here the idea of needing to reconsider the three areas of product shape, material properties and process capability is repeated.
The increasing size of the spiral represents the fact that the amount of detailed information on the PDS grows with each iteration. Inevitably, the parts of the PDS you consider important depend on your viewpoint and purpose.
Consider, for example, the contrasting viewpoints of an engineer who works for a foundry and is trying to use up spare manufacturing capacity profitably, and an aeronautical engineer working on a new form of anti-stall flap for an airliner. Product teams with expertise in engineering design, marketing and production are required if a balance is to be maintained through the design activity.
The leader of this team, often known as the product champion, will be chosen for his or her particular skills depending on the nature of the product.
The one skill, however, which is always needed by such a person is leadership.Revision Page 3 of 78 nRF24L01+ Product Specification Writing Conventions This product specification follows a set of typographic rules that make s the document consistent and easy.
Design specifications: How much detail is enough?
The art of writing a design spec “Writing a design specification is more of an art, something to be learned. Edit Article How to Write a Technical Specification.
In this Article: Article Summary Assessing General Considerations Creating the Specification Completing the Specification Community Q&A A technical specification is a document that defines a set of requirements that a product . Revision 2 of nRF24LE1 Product Specification Liability disclaimer Nordic Semiconductor ASA reserves the right to make changes without further notice to the product to.
Although writing a product specification may sound straightforward, it can be difficult to articulate certain aspects of the design or to nail down the range for acceptance. However, spending the time and effort to complete it up-front can easily prevent expensive design changes down the road. Focussed Analytical Research of Existing Products - This is research fully focussed on features and functions of existing products, that will help you design your product..
Focussed Ergonomics Research based on the Direct Needs of the Client. Focussed Questionnaire: SPECIFICATION.