Introduction to CAD/CAE/CAM
- 2. Introduction CAD(Computer Aided Design) CAM(Computer Aided Manufacturing) CAE(Computer Aided Engineering) Memory capacity, processing speed, Interactive graphics Quality, Cost, Delivery
- 3. Product cycle Design Need Design Spesifications Feasibility Study with Collecting Design Information Design Documentation Design Evaluation Design Optimization Design Analysis Analysis Model Design Conceptuali- zation Process Planning Production Planning Design and Procurement of New Tools Order Material NC, CNC, DNC Programming Producttion Quality Control Packaging Shipping Marketing MANUFACTURING PROCESS Analysis Synthesis DESIGN PROCESS CAD + CAE CAM
- 4. Solid model of example part
- 5. Finite element analysis model of example part Finite element meshes Load condition: case 1 Load condition: case 2
- 6. Stress distribution on example part Result for case1 Result for case2
- 7. Fill time distribution for example part
- 8. Physical prototype of example part
- 9. Part drawing of example part
- 10. Core, cavity, and side cores for example part
- 11. Completely designed mold base
- 12. NC tool paths to machine mold
- 13. Product cycle에서 컴퓨터의 적용 신속한 Design concept의 제공 Computer aided drafting system Geometric modeling system Parametric modeling
- 14. Product cycle에서 컴퓨터의 적용 – cont’
- 15. Product cycle에서 컴퓨터의 적용 – cont’ 강력한 해석기능의 제공 Stress analysis, interference checking Kinematic analysis, etc. Analysis model with proper abstraction Interactive generation of analysis model
- 16. Product cycle에서 컴퓨터의 적용 – cont’ Design evaluation을 위한 prototype 제 공 Rapid Prototyping (RP) Virtual Prototyping (VP)
- 17. RP - Stereolithography Process Cured Plastic XY Scanning Ultraviolet Laser Beam Photo-curable Resin(Liquid) Top of the Liquid Elevator Vat Platform
- 18. Virtual Prototyping of Engine
- 19. Virtual Prototype of Equipment Construction Equipment from John Deere (Division Inc.)
- 20. Product cycle에서 컴퓨터의 적용 – cont’ 편리한 design documentation 기능 제공 Computer aided drafting system Automatic drafting program
- 21. Product cycle에서 컴퓨터의 적용 – cont’
- 22. Product cycle에서 컴퓨터의 적용 – cont’ Process plan의 자동 생성 NC program의 자동 생성 Robot, CMM 구동 프로그램의 자동 생 성
- 23. Definitions of CAD, CAM and CAE CAD Creation, modification, analysis, optimization Computer graphics + design을 위한 application program Tolerance analysis, mass property calculation Finite element modeling and analysis
- 24. Definitions of CAD, CAM and CAE – cont’ CAD – cont’ Design geometry를 정의하는 것이 기본기 능 Design geometry가 product development cycle의 핵심 Computer aided drafting system, geometric modeling system이 CAD system의 핵심
- 25. Definitions of CAD, CAM and CAE – cont’ CAM Plan, manage, control of manufacturing operations NC가 가장 활용도가 큼 Robot programming for material handling, welding, assembling, etc.
- 26. Definitions of CAD, CAM and CAE – cont’ CAM – cont’ Process planning의 자동화 Group technology Feature recognition or feature based modeling MRP(Material Requirement Planning)
- 27. Definitions of CAD, CAM and CAE – cont’ CAE Analyze CAD geometry Simulate, refine and optimize the design Kinematic program, large-displacement dynamic analysis, etc.
- 28. Definitions of CAD, CAM and CAE – cont’ CAE – cont’ FEM이 가장 대표적인 CAE software Stress, deformation, heat transfer, fluid flow, magnetic field, continuous field problem Abstract model과 mesh 필요
- 29. Definitions of CAD, CAM and CAE – cont’ CAE – cont’ Abstract model은 detail을 없애거나 dimension을 낮춤 Mesh 생성은 preprocessor에 의해 계산 결과는 postprocessor에 의해 Optimization과 FEM의 결합 초기에 설계 결함 확인