Introduction To Solid Modeling

Peter Kitson

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Sample Chapter From Introduction To Solid Modeling
Copyright © MIT

SECTION 1: Introduction to Solid Modeling

The design and modeling processes are interdependent! It is difficult and irresponsible to design processes, machines, or other products without modeling how they will look and perform. Solid Modeling is one of the major steps in making machines and machine components.

1. Customer Modeling
2. Requirement Modeling
3. Analytic Modeling
4. Solid Modeling (Geometric Modeling)
5. Functional Modeling

Parametric Solid Modeling (PSM) is a useful tool, which will help you geometrically model your design(s). Solid modeling is not an easy skill to learn. You must know:

• How to run the software:
• How to use the software to get the results that you want (design intent)

Eventually, as you learn how to build models with the correct design intent, you will find that solid modeling will:

• Allow you to change your design with little effort
• Help illustrate your designs to others
• Make sure parts fit together
• Check for proper function
• Check for interference
• Make drawings / blue prints

The introduction of PSM does not mean the demise of sketching!!! Sketching is one of the most valuable skills a designer can have to quickly convey ideas and layout a design. As a matter of fact, it is often a GOOD idea to sketch out your designs before you proceed with PSM so that you can start to recognize the major shapes that make up your part. This is important as robust solid models are made of the fewest and least likely to change features one need. You will come to learn that the process of rough sketching is very similar to the process of solid modeling.