140 likes | 237 Views
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.
E N D
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 • Communicating design what does it mean – To pass on the information such as • Part geometry • Dimensions • Tolerances • Material to be used • Processes • etc…
Communicating geometry - Orthographic Projections • Usually/traditionally two dimensional media (paper/blueprint) used to communicate
Communicating geometry - Orthographic Projections • Three dimensional object is projected onto two dimensional planes.
Communicating geometry - Orthographic Projections • Sometimes axonometric views are included for better visualization/understanding of the geometry.
Communicating geometry - Orthographic Projections Sometimes axonometric views are included for better visualization/understanding of the geometry.
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)
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.