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ME5372/7372 Introduction to CAD/CAM Session 3,(September 04, 2008 ) Instructor : Rajeev Dwivedi PowerPoint Presentation
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ME5372/7372 Introduction to CAD/CAM Session 3,(September 04, 2008 ) Instructor : Rajeev Dwivedi - PowerPoint PPT Presentation


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ME5372/7372 Introduction to CAD/CAM Session 3,(September 04, 2008 ) Instructor : Rajeev Dwivedi www.engr.smu.edu/~rdwivedi/ME5372.html Department of Mechanical Engineering Southern Methodist University Dallas TX. Communicating design for manufacturing.

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ME5372/7372 Introduction to CAD/CAM

Session 3,(September 04, 2008)

Instructor : Rajeev Dwivedi

www.engr.smu.edu/~rdwivedi/ME5372.html

Department of Mechanical Engineering

Southern Methodist University

Dallas TX

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Communicating design for manufacturing

  • Communicating design what does it mean – To pass on the information such as
  • Part geometry
  • Dimensions
  • Tolerances
  • Material to be used
  • Processes
  • etc…
slide3

Communicating geometry - Orthographic Projections

  • Usually/traditionally two dimensional media (paper/blueprint) used to communicate
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Communicating geometry - Orthographic Projections

  • Three dimensional object is projected onto two dimensional planes.
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Communicating geometry - Orthographic Projections

  • Sometimes axonometric views are included for better visualization/understanding of the geometry.
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Communicating geometry - Orthographic Projections

Sometimes axonometric views are included for better visualization/understanding of the geometry.

slide7

Orthographic Projection planes

I: above H, in front of F(V)

II: above H, behind F(V)

III: below H, behind F(V)

IV: below H, in front of F(V)

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In third angle Projection

  • the view from the front is in the middle
  • the view from the left is on the left
  • the view from the right is on the right
  • the view from the top is on the top
  • the view from the bottom is on the bottom
  • the view from the rear is on the far right.