Explain the significance of review off design and what are the advantages of doing it?

Ans.  Before the preliminary design has progressed further it should be subjected to a critical review by all those who are connected with the product such as quality and production engineers, and sales personnel. The design engineer could
Explain the salient features of the design with the help of mock-up model. During this, each functional representative should be allowed to comment on the design. The quality engineer for instance, could highlight the quality problems
Which were faced in the similar previous product during manufacture. The production man may define the difficulties faced during product as non availability of tool or machine. To avoid capital investment on new one, he suggest for some modification in design. The sales manager may be able to give the customer reaction on the features provided in the design.
Advantages: such a review may make some changes in the design desirable. These changes can easily be incorporated at the early stages when the design is on the drawing board. At later this may be difficult.