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Файл:(EOD).Design topics.pdf
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- •1. TABLE OF CONTENTS
- •DI:2. BASIC DESIGN
- •DI:2.1 REFERENCES
- •DI:3. COMMERCIAL
- •3.1 REFERENCES
- •DI:4. PRODUCT DESIGN
- •DI:4.1 LEGAL DESIGN AXIOMS
- •4.2 REFERENCES
- •DI:5. SPECIFICATIONS
- •5.1 REFERENCES
- •DI:6. DESIGN METHODS
- •DI:6.1 BLACK BOX DESIGN
- •DI:6.2 REFERENCES
- •DI:7. CONCEPTUAL DESIGN
- •DI:7.1 GENERATION OF CONCEPTS
- •DI:7.1.1 Brain Storming
- •DI:7.1.1.1 - Practice Problems
- •DI:7.1.2 Diagramming
- •DI:7.1.2.1 - Practice Problems
- •DI:7.1.3 Patents
- •DI:7.2 CONCEPT EVALUATION
- •DI:7.2.1 Decision Matrix
- •7.3 REFERENCES
- •DI:8. HUMAN FACTORS/ERGONOMICS
- •DI:8.1 ERGONOMICS
- •DI:8.2 SAFETY
- •DI:8.2.1 Environment
- •DI:8.2.2 MIL-STD 882B - System Safety Program Requirements
- •DI:8.3 HUMAN STRENGTH AND PROPORTIONS
- •DI:8.4 EQUIPMENT INTERFACES
- •8.5 REFERENCES
- •DI:9. MANAGEMENT
- •DI:9.1 PRACTICE PROBLEMS
- •9.2 REFERENCES
- •DI:10. DESIGN TEAMS
- •DI:10.1 TEAM PROFILES
- •DI:10.1.1 Personalities
- •DI:10.1.1.1 - Personality Traits
- •DI:10.1.1.2 - Personality Types
- •DI:10.1.2 Team Composition
- •DI:10.1.3 Team Success
- •10.2 REFERENCES
- •DI:11. ADMINISTRATION
- •11.1 REFERENCES
- •DI:12. CONCURRENT ENGINEERING
- •DI:12.1 OVERVIEW
- •DI:12.2 DOING CONCURRENT ENGINEERING
- •DI:12.3 FUTURE TOOLS FOR CONCURRENT ENGINEERING
- •DI:12.4 SOFTWARE CONCURRENT ENGINEERING
- •DI:12.5 METHODS
- •12.6 REFERENCES
- •DI:13. DESIGN FOR X (DFX)
- •DI:13.1 OVERVIEW
- •DI:13.2 DESIGN FOR ASSEMBLY (DFA)
- •DI:13.2.1 Design rule summary
- •DI:13.2.2 Rules for Manual/Automatic Assembly
- •DI:13.2.3 Reducing the Number of Parts
- •DI:13.2.4 Feeding and Orienting Parts
- •DI:13.2.4.1 - Part Tangling/Nesting
- •DI:13.2.4.2 - Handling Parts
- •DI:13.2.4.3 - Orienting Parts
- •DI:13.2.4.4 - Locating and Aligning Parts
- •DI:13.2.4.5 - Part Symmetry
- •DI:13.2.4.6 - Part Shape, Size and Thickness
- •DI:13.2.5 Mating Parts
- •DI:13.2.6 Adjustments
- •DI:13.2.7 Modular Assemblies
- •DI:13.2.8 Standard Parts
- •DI:13.2.9 Part Fixtures and Jigs
- •DI:13.2.10 Bottom Up Layered Assemblies
- •DI:13.2.11 Examples
- •DI:13.3 DESIGN FOR MANUFACTURING (DFM)
- •DI:13.4 DESIGN FOR RECYCLING (DFR)
- •DI:13.4.1 Reduce Materials and Energy
- •DI:13.4.2 Consolidated Parts
- •DI:13.4.3 Ease Of Disassembly
- •DI:13.4.4 Recycling Markings
- •DI:13.5 REFERENCES
- •DI:13.6 SAMPLE QUESTIONS
- •DI:13.7 AXIOMATIC DESIGN
- •DI:13.7.1 Suh’s Methodology
- •DI:13.7.1.1 - The Information Axiom
- •DI:14. DRAFTING
- •DI:14.1 CONVENTIONAL DRAFTING
- •DI:14.1.1 Manual Drafting
- •DI:14.1.2 Turning Three Dimensions Into Two (Multi View Drawings)
- •DI:14.1.2.1 - The Glass Box
- •DI:14.1.3 Lines
- •DI:14.1.4 Holes
- •DI:14.1.5 Special Cases
- •DI:14.1.5.1 - Aligned Features
- •DI:14.1.5.2 - Incomplete Views
- •DI:14.1.6 Section Views
- •DI:14.1.6.1 - Full Sections
- •DI:14.1.6.2 - Offset Section
- •DI:14.1.6.3 - Half Section
- •DI:14.1.6.4 - Cut Away Sections
- •DI:14.1.6.5 - Revolved Section
- •DI:14.1.6.6 - Removed Section
- •DI:14.1.6.7 - Auxiliary Section
- •DI:14.1.6.8 - Thin Wall Section
- •DI:14.1.6.9 - Assembly Section
- •DI:14.1.6.10 - Special Cases
- •DI:14.1.6.11 - Fill Patterns
- •DI:14.1.7 Auxiliary Views
- •DI:14.1.7.1 - Secondary Auxiliary Views
- •DI:14.1.7.2 - Partial Auxiliary Views
- •DI:14.1.8 Descriptive Geometry
- •DI:14.1.9 Isometric Views
- •DI:14.1.10 Special Techniques
- •DI:14.2 NOTATIONS
- •DI:14.2.1 Basic Dimensions and Tolerances
- •DI:14.2.2 Geometric Dimensioning and Tolerancing (GD & T)
- •DI:14.2.2.1 - Feature Control Symbols
- •DI:14.2.2.2 - Symbols and Meaning
- •DI:14.2.2.3 - Datums
- •DI:14.2.2.4 - Modifiers
- •DI:14.3 WORKING DRAWINGS
- •DI:14.3.1 Drawing Elements
- •DI:14.3.1.1 - Title Blocks
- •DI:14.3.1.2 - Drawing Checking
- •DI:14.3.1.3 - Drawing Revisions
- •DI:14.3.1.4 - Bill of Materials (BOM)
- •DI:14.3.2 Drawing Types
- •DI:14.3.2.1 - Assembly Drawings
- •DI:14.3.2.2 - Subassembly Drawings
- •DI:14.3.2.3 - Exploded Assembly Drawings
- •DI:14.3.2.4 - Detailed Drawings
- •DI:14.4 PRACTICE PROBLEMS
- •14.5 REFERENCES
- •DI:15. COMPUTER AIDED DESIGN (CAD)
- •DI:15.1 DESIGN
- •DI:15.2 CAD HISTORY
- •DI:15.3 BASIC REQUIREMENTS OF CAD SYSTEMS
- •DI:15.4 EDITING AND CREATING
- •DI:15.4.1 2D Curves and Lines
- •DI:15.4.2 Surfaces
- •DI:15.5 USER INTERPRETATION OF THE GEOMETRIC MODEL
- •DI:15.6 USER DIRECTED CHANGES TO THE GEOMETRIC MODEL
- •DI:15.6.1 Modern Hardware for CAD Systems
- •DI:15.7 SELECTING A CAD SYSTEM
- •DI:15.7.1 An Example Plan for Selecting a CAD system
- •DI:15.7.2 A Checklist of CAD/CAM System Features
- •DI:15.8 DESIGN
- •DI:15.8.1 Graphical User Interfaces
- •DI:15.9 PRACTICE PROBLEMS
- •DQ:16. GEOMETRICAL MODELLING OF PARTS
- •DQ:16.1 OVERVIEW
- •DQ:16.2 GEOMETRIC MODELS
- •DQ:16.2.1 Elemental Depiction:
- •DQ:16.2.2 Surface Description
- •DQ:16.2.3 Solid - Swept
- •DQ:16.2.4 Solid - B-Rep (Boundary Representation)
- •DQ:16.2.5 Solid - CSG
- •DQ:16.2.6 Tessellated Models
- •DQ:16.2.7 Features
- •DQ:16.3 SOLID MODELERS
- •DO:16.4 MASS PROPERTIES
- •DO:16.5 NON-MANIFOLD PARTS
- •DO:16.6 NUMERICAL ACCURACY
- •DO:16.7 PRACTICE PROBLEMS
- •DM:17. GEOMETRICAL MODELLING FOR DESIGN
- •DG:18. CAD FILE FORMATS
- •DG:18.1 GRAPHICS FORMATS
- •DG:18.2 CAD FORMATS
- •DG:18.2.1 Proprietary “Standard” Formats
- •DG:18.2.2 Standard Formats
- •DG:18.2.2.1 - IGES
- •DG:18.2.2.1.1 - Flag section (optional)
- •DG:18.2.2.1.2 - Start section
- •DG:18.2.2.2 - Global section
- •DG:18.2.2.3 - Directory entry sections
- •DG:18.2.2.4 - Parameter entry section
- •DG:18.2.2.5 - Terminate section
- •DG:18.2.2.6 - A Sample IGES File
- •DG:18.2.3 A DXF File
- •DG:18.3 PDES/STEP
- •DG:18.4 PRACTICE PROBLEMS
- •DC:19. COMPUTER AIDED ENGINEERING (CAE)
- •DC:19.1 FINITE ELEMENT ANALYSIS (FEA)
- •DC:19.2 ASSEMBLY AND KINEMATICS
- •DC:19.2.1 Tolerancing
- •DC:19.3 ASSEMBLIES
- •DC:19.4 OPTIMIZATION
page 34
DI:11. ADMINISTRATION
•We need to determine the day-to-day (administration) needs of a design team.
•In terms of the design process there is a continual cycle of,
1.identifying problems
2.devising solutions
3.evaluating the solutions
4.deciding to accept, retry, terminate
•The specifications are repeatedly used to guide all phases of the design work. A design not conforming to the specs is useless.
11.1 REFERENCES
Ullman, D.G., The Mechanical Design Process, McGraw-Hill, 1997.
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