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Product design concept
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Product Design & Development - 1

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Product Design & Development

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Product Design & Development - 1

  1. 1. PRODUCT DESIGN AND DEVELOPMENT Dr. Abdullah F. Al-Dwairi IE Dept., JUST
  2. 2. General Outline <ul><li>Introduction </li></ul><ul><li>Some Definitions </li></ul><ul><li>Product Design versus Development </li></ul><ul><li>Design Fundamental Rules </li></ul><ul><li>Concurrent Engineering </li></ul>
  3. 3. Introduction <ul><li>The MIJC: a step towards establishing a product design culture. </li></ul><ul><li>The goal of this course is to give you the tools to develop an efficient design process regardless of the product being designed. </li></ul>
  4. 4. Definitions (1/3) <ul><li>Product : A term used to describe all goods, services, and knowledge sold. </li></ul>
  5. 5. Definitions (2/3) <ul><li>A Product Development Process is the entire set of activities required to bring a new product concept to a state of market readiness. </li></ul><ul><li>PD is the organization and management of people and the information they develop in the evolution of a product. </li></ul>
  6. 6. Definitions (3/3) <ul><li>A Design Process is the set of technical activities within a PD process that work to meet marketing and business case vision. </li></ul>
  7. 7. Six Phases of PD <ul><li>Planning </li></ul><ul><li>Concept development </li></ul><ul><li>System-level design </li></ul><ul><li>Detail design </li></ul><ul><li>Testing and refinement </li></ul><ul><li>Production ramp-up </li></ul>
  8. 8. Product Types <ul><li>Market-Pull Products (furniture, sporting goods, tools) </li></ul><ul><li>Technology-Push Products (Cellular phones, ABS, Medical equipment) </li></ul>
  9. 9. The Life of a Product <ul><li>Identification of need </li></ul><ul><li>Development of engineering requirements </li></ul><ul><li>Design concept development </li></ul><ul><li>Product design </li></ul><ul><li>Manufacturing </li></ul><ul><li>Assembly </li></ul><ul><li>Distribution </li></ul><ul><li>Installation </li></ul><ul><li>Use </li></ul><ul><li>Retirement, disassembly, reuse, and recycle. </li></ul>
  10. 10. Product Conceptual Design Design = Science + Art
  11. 11. FORM and FUNCTION <ul><li>The product FORM should reflect its FUNCTION </li></ul><ul><li>FUNCTION = What the product is to do </li></ul><ul><li>FORM = How the product is to do its FUNCTION </li></ul>
  12. 12. <ul><li>FORM = Shape (geometry), Material, Connections, Energy and Material Flow, Operation Procedure (Information Transfer), etc…. </li></ul><ul><li>Design is the process of mapping function to form. </li></ul><ul><li>Design problems have many satisfactory solutions and no clear best solution </li></ul>
  13. 13. Two Fundamental “Rules’ of Design <ul><li>I. The Function Rule: </li></ul><ul><li>Design requirements should be satisfied Independently…Hard to achieve! </li></ul><ul><li>II. The Form Rule: </li></ul><ul><li>The design must have the least possible information content. </li></ul>
  14. 14. Fundamental Rules Updated <ul><li>I. The Function Rule: </li></ul><ul><li>Design requirements must be satisfied uniformly. </li></ul><ul><li>II. The Form Rule: </li></ul><ul><li>The design must have the shortest production path. </li></ul>
  15. 15. The Golden Triangle <ul><li>Effectiveness of the design process is measured by: </li></ul><ul><li>Product cost </li></ul><ul><li>Product quality </li></ul><ul><li>Time to market (TTM) </li></ul>
  16. 16. The Design Paradox <ul><li>The more you learn the less freedom you have to use what you know. </li></ul><ul><li>CE relieves this difficulty. </li></ul>
  17. 17. Design Process Evolution <ul><li>Craftsmanship – one person could design and manufacture an entire product </li></ul><ul><li>By the middle of the 20 th century: over-the-wall approach. </li></ul><ul><li>From the late 1980s: concurrent engineering approach (CE). </li></ul>
  18. 18. The Over-The-Wall Design Method
  19. 19. Concurrent Engineering (CE) <ul><li>CE emphasizes the integration of cross-functional TEAMS to develop the product. </li></ul><ul><li>The use of teams, including all the stakeholders, eliminates many of the problems with the over-the-wall method. </li></ul><ul><li>Stakeholders = people who have a concern for the product. </li></ul>
  20. 20. Controllable Variables in CE
  21. 21. The CE Design Team <ul><li>A team may be defined as two or more persons engaged in a common goal, who are dependent on one another for results, and who have joint accountability for the outcomes. </li></ul><ul><li>The PRIDE principle should be followed in any product development project – P urpose, R espect, I ndividuals, D iscussions, and E xcellence </li></ul>
  22. 22. Members of Design Teams <ul><li>Product design engineer </li></ul><ul><li>Marketing manager </li></ul><ul><li>Manufacturing engineer </li></ul><ul><li>Drafter </li></ul><ul><li>Technician </li></ul><ul><li>Materials specialist </li></ul><ul><li>Quality control/quality assurance specialist </li></ul><ul><li>Analyst </li></ul><ul><li>Industrial designer </li></ul><ul><li>Assembly manager </li></ul><ul><li>Vendor’s or supplier’s representative </li></ul>
  23. 23. Summary (1/2) <ul><li>Product design is a part of the product development process. </li></ul><ul><li>PD must be centered on the CUSTOMER. The Japanese say: Listen to the VOC! </li></ul><ul><li>Design is a process of function-to-form mapping. </li></ul>
  24. 24. Summary (2/2) <ul><li>Success at PD is measured by Cost, Quality, and TTM. </li></ul><ul><li>Concurrent Engineering = early involvement of stakeholders </li></ul><ul><li>CE suggests an integrated product and process design (IPPD) </li></ul><ul><li>Early phases of design are the most critical to the design success. </li></ul>
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