Manufacturing process selection and Design for manufacturing

Learn about the basics of selecting process for a mechanical design and the principles of design for Manufacturing

Design for manufacturing or DFM is a very important practical activity in Mechanical design engineering.

What you’ll learn

  • The Criteria based on which a manufacturing process is selected for design.
  • Process compatibility to materials and shapes.
  • Comparison of processes based on tolerance and cost.
  • Difference in prototyping and production.
  • Case studies in process selection for design problems.
  • Design principles employed for designing forged parts.
  • Design principles employed in Design of Casted parts.
  • Design principles used in design of Injection molded plastic parts.

Course Content

  • Introduction –> 8 lectures • 26min.
  • Process selection –> 15 lectures • 57min.
  • Case studies in process selection –> 7 lectures • 23min.
  • Design for Manufacturing –> 2 lectures • 4min.
  • Design for Forging –> 11 lectures • 39min.
  • Design for Casting –> 8 lectures • 21min.
  • Design for Injection Molding –> 9 lectures • 26min.
  • Test your knowledge –> 0 lectures • 0min.
  • Bonus Section –> 1 lecture • 1min.

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  • Basic understanding of the various mainstream manufacturing processes and a familiarity with mechanical design.

Design for manufacturing or DFM is a very important practical activity in Mechanical design engineering.

Converting concept  into designs which can be manufactured and ready for implementation is a key skill in product development.

This course attempts to cover the basics of designing for manufacturing including selecting a suitable process based on various criteria and designing for the process to reduce cost and improve ease of manufacturing .

Topics covered are


  1. Importance of Process selection
  2. Parameters and Criteria for selection
  3. Comparison of processes
  4. Process- Shape matrix
  5. Section wall thickness and Tolerance ranges
  6. Cost associated
  7. Part complexity and part cost
  8. Prototyping vs production
  9. Case studies in process selection
  10. Designing for Forging – principles and guidelines
  11. Designing for Casting – principles and guidelines
  12. Design for Injection Molding  – Principles and guidelines.
  13. Exercises to practice


The learning outcome of this course is to develop a strong basic comparative understanding of various processes and get started with designing as per certain processes to build DFM skills for mechanical design & product development.

Course will be best suitable for  Mechanical design engineers who want to level up their DFM knowledge and skills .


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