Application of 3D CAD Technology in Product Development and Design (3)

(1) Scheme design: The concept sketching is carried out by the stylist, and the 2D plane software can be used to draw the scheme renderings.

(2) 3D modeling design: After the solution is determined, the designer uses Pro/D for surface design.

(3) Three-dimensional modeling design confirmation: The model in Pro/D is directly transferred to the CNC, or the RP makes a physical model for modeling test.

(4) Structural design: Transfer the model in Pro/D to Pro/E for detailed structure design.

(5) Structural design confirmation: Perform assembly and structural simulation analysis to confirm the structure.

(6) Mold design: Pass the products in Pro/E to the mold factory for NC programming.

(7) Production: Convert 3D drawings into 2D engineering drawings, carry out process design and carry out production.

3.5 Design examples

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1

Figure 2 and Figure 3 show a phase camera model using PRO/D and PRE. The design steps are first to model the surface in PRO/D and import the data into the PRO/E structure.

4 Conclusion

The rapid development of CAD technology not only means the change of design means, but also changes the way of thinking of industrial design. It promotes a series of profound, comprehensive and far-reaching changes in manufacturing from product design and manufacturing to technology management. This is a technological revolution in product design and product manufacturing. The application of CAD technology fully combines the rapidity, accuracy and high information integration of the computer with the creative thinking and comprehensive analysis ability of the designer to realize the concept of product, design, structural design, mechanism design and assembly. The animation demonstrates that the entire process of engineering is computerized, system design is realized, and the product development cycle is shortened, thereby creating a practical, economical, and aesthetically pleasing product.

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