02_cad_cam_6 - - 2.008 Design & Manufacturing II Spring...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
1 1 2.008 Design & Manufacturing II Spring 2004 Process Planning CAD/CAM Ref 1: CAD/CAM/CAE systems , by K.W. Lee, Addison-Wesley, 1999 Ref. 2: Computer Aided Manufacturing , 2 nd ed. by T.C. Chang, R. A. Wysk, and H-P Wang, Prentice Hal 1998 Ref.3 : Manufacturing: Design, Production, Automation and Integration , by B. Benhabib, Marcel Dekker, New York, 2003 2 - Lab starts today. - Monday 2/16, President’s day, a Holiday - Tuesday 2/17, Monday’s lecture & lab group A - HW#1 due 2/11 (W) 2.008 MIT-S. Kim 3 2D drafting v.s. digital Playdo 2.008 MIT-S. Kim 4 Product Cycle Synthesis Functional Requirements Analysis Design Parameters Process Planning Quality control Packaging Shipping CAD CAE Design Manufacturing CAM Production 2.008 MIT-S. Kim 5 3 day prototyping by CAD/CAM/CAE -Catia, Euclid, AutoCAD, ProEngineer Solidworks - MasterCAM, PowerMill - Moldflow, C-Flow, ANSYS, I-DEAS 2.008 MIT-S. Kim 6 Geometric Modeling – Historical Development 1960-1962: The first Graphical User Interface (GUI), Sketchpad , developed at MIT. 1964-1965: DAC-1 by GM and CADAM by Lockheed. 1970-1980: Various systems that ran on proprietary hardware – only a handful survived beyond the 1990s. 1990-2000: Pro/Engineer, Solid Works and I-DEAS run on PC platforms.
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
2 2.008 MIT-S. Kim 7 3D object geometric modeling Wireframe Surface modeling Solid modeling ? 2.008 MIT-S. Kim T. Chang 8 Wire frame ± List of ± Curve equations ± Coordinates of points ± Connectivity ± Easy method ± Ambiguity ± No mass, no surface 2.008 MIT-S. Kim 9 Wireframe Conversion to surface 2.008 MIT-S. Kim 10 Surface Modeler MIT Stata Center Guggenheim, Bilbao 2.008 MIT-S. Kim 11 Surface Modeler ² Wireframe data + ² Surfaces ² Connectivity, Adjacency ² Interpolation of points, curve nets ² Translation or sweeping of curves ² Fits to complex free formed surfaces ² Visual, aesthetic design ² NC code generation 2.008 MIT-S. Kim 12 Solid Modeler
Background image of page 2
3 2.008 MIT-S. Kim 13 Solid modeler ± Has a closed volume.
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 9

02_cad_cam_6 - - 2.008 Design & Manufacturing II Spring...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online