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Lesson 2.1.: Concepts of products design

This lesson explores the concepts of product design and manufacturing that engineering students and professionals need to know. It covers topics such as configurations, shapes, forms, sizes, materials, functions, and manufacturing processes. The information can also be applied to first-year engineering projects.

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Lesson 2.1.: Concepts of products design

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  1. Lesson 2.1.: Concepts of products design Marisol Mercado Santiago, Ph.D.

  2. Acknowledgements and disclaimer • This material is based upon work supported by the National Science Foundation Graduate Research Fellowship Program under Grant No. DGE-1333468. • Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author and do not necessarily reflect the view of the National Science Foundation.

  3. How this information might help you? • Concepts that engineering students (and engineers) learn for products design and manufacturing • Might be applicable for first-year engineering projects too • Knowledge applicable in product design engineering, industrial engineering, and mechanical engineering. Eggert, R. J. (2005). Engineering design. Upper Saddle River, NJ: Pearson Education, Inc.

  4. What these items have in common?

  5. Products design Configurations Shapes Store Forms Move Sizes Materials Functions Manufacturing processes Protect Control Warm / heat Eggert, R. J. (2005). Engineering design. Upper Saddle River, NJ: Pearson Education, Inc.

  6. Materials properties Case example: Selecting materials for a car [ Materials selection video ] Also available in: http://www.youtube.com/watch?v=uooIshLtKAE

  7. Materials properties Eggert, R. J. (2005). Engineering design. Upper Saddle River, NJ: Pearson Education, Inc.

  8. Materials properties • Natural Materials Bhatia, S.K. and Smith, J.L. (2008) “Bridging the Gap between Engineering and the Global World: A Case Study of the Coconut (Coir) Fiber Industry in Kerala India”, Morgan and Claypool Publishers, ISBN 159829623X, 2008.

  9. Materials properties • Natural Materials Bhatia, S.K. and Smith, J.L. (2008) “Bridging the Gap between Engineering and the Global World: A Case Study of the Coconut (Coir) Fiber Industry in Kerala India”, Morgan and Claypool Publishers, ISBN 159829623X, 2008.

  10. Materials properties • Natural Materials Bhatia, S.K. and Smith, J.L. (2008) “Bridging the Gap between Engineering and the Global World: A Case Study of the Coconut (Coir) Fiber Industry in Kerala India”, Morgan and Claypool Publishers, ISBN 159829623X, 2008.

  11. Materials properties Sources: www.princeton.edu/~ota/disk1/1993/9313/9313.PDF , http://agproducts.unl.edu/biopolymers.htm, Wikipedia

  12. Mechanical and physical properties of materials

  13. Mechanical & Physical Properties Eggert, R. J. (2005). Engineering design. Upper Saddle River, NJ: Pearson Education, Inc.

  14. Manufacturing Processes Primary, Secondary, Tertiary

  15. Primary manufacturing processes • Material form is altered • Examples: casting, injection molding, rolling, and sheet metalworking. Eggert, R. J. (2005). Engineering design. Upper Saddle River, NJ: Pearson Education, Inc.

  16. Eggert, R. J. (2005). Engineering design. Upper Saddle River, NJ: Pearson Education, Inc.

  17. Eggert, R. J. (2005). Engineering design. Upper Saddle River, NJ: Pearson Education, Inc.

  18. Secondary manufacturing processes • New features are added or removed from the basic geometric forms. • Examples: turning, grinding, milling, drilling, compression… Eggert, R. J. (2005). Engineering design. Upper Saddle River, NJ: Pearson Education, Inc.

  19. Eggert, R. J. (2005). Engineering design. Upper Saddle River, NJ: Pearson Education, Inc.

  20. Tertiary manufacturing processes • Surface treatments • Aesthetics and outer protection • Example: polishing, painting, heat treatment, chemical treatment. Eggert, R. J. (2005). Engineering design. Upper Saddle River, NJ: Pearson Education, Inc.

  21. In what ways the processes to make dorjees are similar or different to engineering? Photos taken at the metal workshop of Mr. Karma Raphelat Manduwala, Dehradun. Used with permission.

  22. In what ways engineering is related to a Tibetan noodles factory in Clementown? Photos taken at the Tibetan noodles factory of K. Tenzin & Sons. Clementown, Dehradun. Used with permission.

  23. Summary • Based on requirements, constraints, and investigation engineers choose: • Forms and functions • Materials • Manufacturing processes …to create products that meet the needs of people, other sentient beings, and/or the environment.

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