Integrating Mechanical Testing Into The Design and Development Process 791077
The traditional role of the test lab has been to subject prototype products or components to carefully defined programs and evaluate acceptability from the viewpoint of vibration, stress, durability, life, noise, safety, reliability, performance, etc. If a product or component fails prescribed test criteria, it is sent back for rework by an appropriate designer. The test engineer seldom works with or meets the designer, except when “crisis” type problems are encountered.
Computer Aided Engineering (CAE) already has had a dramatic effect on drafting, design analysis, and testing groups. Mini-computer based testing systems, using modal analysis and animated mode shape test capabilities were introduced into the test lab in the early 1970's. Many new tools and techniques have become available since then. These later tools have a revolutionary impact on mechanical product development and the role of mechanical test engineers in the development process.
The examples sited here are associated with vehicles (1)* and rotating machinery (2), but the same approach has already been applied to other industries such as: