Chapt10

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Chapt10

  1. 1. Managing Engineering and Technology Third Edition Babcock and Morse <ul><li>Managing Engineering Design </li></ul><ul><li>Chapter 10 </li></ul>
  2. 2. Advanced Organizer
  3. 3. Chapter Objectives <ul><li>Describe the phases or stages in systems engineering and the new product development process </li></ul><ul><li>Recognize product liability and safety issues </li></ul><ul><li>Recognize the significance of reliability and other design factors </li></ul>
  4. 4. New Product Development - Stages <ul><li>Conceptual </li></ul><ul><li>Technical Feasibility or Concept Definition </li></ul><ul><li>Development </li></ul><ul><li>Commercial Validation </li></ul><ul><li>Production </li></ul><ul><li>Product Support </li></ul><ul><li>Disposal Stage </li></ul>
  5. 5. Concurrent Engineering <ul><li>Set of methods, techniques, and practices, that: </li></ul><ul><li>Consideration within design phase of factors from later in cycle </li></ul><ul><li>Produce design of processes </li></ul><ul><li>Facilitate reduction of time required to translate design into products </li></ul><ul><li>User ability to meet user’s needs </li></ul>
  6. 6. Engineers Must Communicate <ul><li>Drawings </li></ul><ul><li>Specifications </li></ul><ul><li>Financial Estimates </li></ul><ul><li>Written Reports </li></ul><ul><li>Oral Presentations </li></ul><ul><li>Sales </li></ul>
  7. 7. Control Systems in Design <ul><li>Drawing Release </li></ul><ul><li>Configuration Management </li></ul><ul><li>Design Review Board </li></ul>
  8. 8. Special Considerations in Design <ul><li>Product liability and safety </li></ul><ul><li>Reliability </li></ul><ul><li>Maintainability </li></ul><ul><li>Availability </li></ul><ul><li>Ergonomics </li></ul><ul><li>Producibility </li></ul>
  9. 9. Liability <ul><li>Designer foresee unlikely conditions </li></ul><ul><li>Product contains adequate warnings </li></ul><ul><li>Risks reduced to greatest extent possible </li></ul><ul><li>Meets user’s reasonable expectations of safety </li></ul>
  10. 10. Reliability <ul><ul><li>Probability that the product will perform a specified function </li></ul></ul><ul><ul><li>Under specified conditions </li></ul></ul><ul><ul><li>For a stated period of time </li></ul></ul>
  11. 11. Maintainability <ul><li>Administrative and preparation time </li></ul><ul><li>Logistics time </li></ul><ul><li>Active maintenance time </li></ul>
  12. 12. Maintainability <ul><li>Corrective </li></ul><ul><li>Preventive </li></ul><ul><li>MTBM </li></ul><ul><li>MDT </li></ul><ul><li>MTTR </li></ul><ul><li>MTBF </li></ul>

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